From b27900f71f834869abde1832ff118109f63f86ff Mon Sep 17 00:00:00 2001 From: xmarduel Date: Sat, 6 May 2023 13:39:04 +0200 Subject: [PATCH] cont --- RESOURCES/doc/tutorial.html | 26 +- RESOURCES/doc/tutorial_standalone.html | 38 +- resources_rc.py | 4931 ++++++++++++------------ 3 files changed, 2508 insertions(+), 2487 deletions(-) diff --git a/RESOURCES/doc/tutorial.html b/RESOURCES/doc/tutorial.html index 01d959e..11cca2e 100644 --- a/RESOURCES/doc/tutorial.html +++ b/RESOURCES/doc/tutorial.html @@ -711,10 +711,11 @@

LibreCAD ****GOOD****

concatenation of lines/arcs with beziers/splines into a single SVG path, but it is fixable per hand in the output.

-

Conclusion: A good SVG "path" generator/exporter -that is unfortunately not completely finished.

+

Conclusion: A good SVG "path" +generator/exporter that is unfortunately not completely +finished.

-

SolveSpace ****BEST****

+

SolveSpace ****BEST****

Ever heard of it? A parametric system as known from the 3D modellers. Incredible! The GUI looks like from the beginning of the '80s, @@ -786,12 +787,19 @@

What else?

Conclusion

The fact that it is so difficult to find an acceptable SVG path "writer" -program can only be due to the SVG format itself, which is completely "user" or -"app" un-friendly. The path definition is too complicated. What is the point of -allowing paths with sub-paths? maybe because the SVG format completely ignores -the concept of "multiline"/"multipolygon" etc. Polygons have no "interiors" so -they must be defined as such in a path composed with 2 or more subpaths for -this purpose.

+program let me wonder why it is the case. And why does only +SolveSpace perform the task correctly? Why such a capable App +like LibreCAD fails for this task? Well in case of LibreCAD, +it cannot concatenate splines with lines, so does the export. Maybe because the +svg path definition is too complicated, "nobody" want to parse it, and thus in +return is interested in exporting it right. And the apps which theorytically +could use the SVG path as import (as SolveSpace could -let's write a patch!-) +export them then correctly too. But who else would want to import svg paths? +What do all these SVG apps? I cannot test them all! Concerning svg paths, what +is the point of allowing paths with sub-paths? maybe because the SVG format +completely ignores the concept of "multiline"/"multipolygon" etc. Polygons have +no "interiors" so they must be defined as such in a path composed of 2 or more +subpaths for this purpose.

All in all very desapointing, excepted LibreCAD and Create the GCode

GUI Components

Svg Settings

-

user units scale

@@ -334,7 +333,6 @@

user units scale

1. Note that the user units are not "px" or whatever. This means, 1 "user unit" is equal to 1 mm (and the viewbox is "0 0 100 40" while width="100mm" and height="40mm")

-

Of course when editing the svg (in Inkscape or in a text editor), @@ -351,7 +349,6 @@

user units scale

scale to 25.4. Because of this, the view box remains at "0 0 100 40". That way, a rectangle filling the full document size is still 100x40.

-

Filling a box half the size of the document is 50x20, right, but what are @@ -424,7 +421,6 @@

user units scale

Tool

-

Tabs

@@ -436,7 +432,6 @@

Tabs

effective, the tabs have to be enabled and of course placed somewhere on the generated toolpaths. The height of the tabs is shared by all tabs. They are ignored for Pocket operations.

-

@@ -453,7 +448,6 @@

Material

The Operations "Cut Depth" should not be larger than the material thickness.

-

@@ -466,7 +460,6 @@

Curve to Line Conversion

If your design contain curves (svg "arcs" or "bezier" curves), they have to be discretized in small segments.

-

The 2 following parameters allow to specified how fine the curve @@ -527,11 +520,9 @@

GCode Generation

  • Spindle Start/Stop (M3/M5 codes)
  • M2 code
    • - - - +

    @@ -539,7 +530,6 @@

    Create Operations

    This is where the user defined its cam operations, thus this is where the action takes place.

    -

    First one or more item(s) have to be selected in the svgviewer, click on @@ -710,10 +700,11 @@

    LibreCAD ****GOOD****

    concatenation of lines/arcs with beziers/splines into a single SVG path, but it is fixable per hand in the output.

    -

    Conclusion: A good SVG "path" generator/exporter -that is unfortunately not completely finished.

    +

    Conclusion: A good SVG "path" +generator/exporter that is unfortunately not completely +finished.

    -

    SolveSpace ****BEST****

    +

    SolveSpace ****BEST****

    Ever heard of it? A parametric system as known from the 3D modellers. Incredible! The GUI looks like from the beginning of the '80s, @@ -785,12 +776,19 @@

    What else?

    Conclusion

    The fact that it is so difficult to find an acceptable SVG path "writer" -program can only be due to the SVG format itself, which is completely "user" or -"app" un-friendly. The path definition is too complicated. What is the point of -allowing paths with sub-paths? maybe because the SVG format completely ignores -the concept of "multiline"/"multipolygon" etc. Polygons have no "interiors" so -they must be defined as such in a path composed with 2 or more subpaths for -this purpose.

    +program let me wonder why it is the case. And why does only +SolveSpace perform the task correctly? Why such a capable App +like LibreCAD fails for this task? Well in case of LibreCAD, +it cannot concatenate splines with lines, so does the export. Maybe because the +svg path definition is too complicated, "nobody" want to parse it, and thus in +return is interested in exporting it right. And the apps which theorytically +could use the SVG path as import (as SolveSpace could -let's write a patch!-) +export them then correctly too. But who else would want to import svg paths? +What do all these SVG apps? I cannot test them all! Concerning svg paths, what +is the point of allowing paths with sub-paths? maybe because the SVG format +completely ignores the concept of "multiline"/"multipolygon" etc. Polygons have +no "interiors" so they must be defined as such in a path composed of 2 or more +subpaths for this purpose.

    All in all very desapointing, excepted LibreCAD and \x0d\x0a\x0d\x0a \ A good SVG \x22pat\ -h\x22 generator/exp\ -orter\x0d\x0athat is u\ +h\x22\x0d\x0agenerator/ex\ +porter that is u\ nfortunately not\ - completely fini\ -shed.

    \x0d\x0a\x0d\x0aSolveSpace

    \x0d\x0a\x0d\x0aSolveSpace ****BES\ +T****    \x0d\x0a\x0d\x0a

    Ever hea\ +rd of it? A para\ +metric system as\ + known from the \ +3D modellers.\x0d\x0a<\ +strong>Incredibl\ +e! The \ +GUI looks like f\ +rom the beginnin\ +g of the '80s,\x0d\x0a\ +but ****BEST\ -****\x0d\x0a\x0d\x0a

    \ -Ever heard of it\ -? A parametric s\ -ystem as known f\ -rom the 3D model\ -lers.\x0d\x0aI\ -ncredible! The GUI look\ -s like from the \ -beginning of the\ - '80s,\x0d\x0abut \ -usability/featur\ -es more than\x0d\x0ato\ -p.

    \x0d\x0a\x0d\x0a

    SVG e\ -xport perfect (w\ -ell, nearly\x0d\x0aper\ -fect) .\ - The constructio\ -n constraints ca\ -n also be export\ -ed, so there\x0d\x0aar\ -e a lot of \x22path\ -s\x22 in the svg ex\ -port, even if yo\ -u have drawn onl\ -y 1 path.\x0d\x0aUnfor\ -tunately, you ca\ -nnot give your p\ -aths some ids. I\ -t would be nice \ -if these\x0d\x0a\x22contr\ -aints\x22 paths cou\ -ld be grouped in\ -to their own gro\ -up in order to i\ -solated\x0d\x0athem fr\ -om the real path\ -s. There are onl\ -y cubic bezier c\ -urves, quadratic\ - bezier\x0d\x0acurves \ -are unfortunatel\ -y missing (not s\ -ure). The SVG cl\ -osed path \x22Z\x22 is\ - also\x0d\x0amissing (\ -should submit a \ -patch!).

    \x0d\x0a\x0d\x0a\ -

    Conclusion: <\ -strong style=\x22co\ -lor:#008000\x22>The\ - best SVG \x22path\x22\ - generator (and\x0d\ -\x0apath \x22construct\ -or\x22) I have foun\ -d so far.

    \x0d\x0a\x0d\x0a

    XF\ -ig

    \x0d\x0a\x0d\x0a

    My\ - beloved drawing\ - editor during m\ -y youth! Complet\ -ely outdated, bu\ -t still\x0d\x0athe bes\ -t! Unfortunately\ - the SVG export \ -is deficient. Th\ -ere are Bezier c\ -urves\x0d\x0a(really?)\ - i.e. splines wi\ -th control point\ -s (it looks like\ - Bezier) but the\ - SVG\x0d\x0aexport out\ -puts them as pol\ -ylines. \ -Conclusion: unus\ -able\x0d\x0a\x0d\x0a

    \ -Online editors:<\ -/strong>

    \x0d\x0a\x0d\x0a\ -

    There are ple\ -nty of them, but\ - they all seem t\ -o be meant for p\ -ainting, not\x0d\x0afo\ -r CAD (a little \ -like Inkscape). \ -Please correct m\ -e if I am wrong.\ -

    \x0d\x0a\x0d\x0a

    Non-\ -free software\x0d\x0a\x0d\x0a

    Design\ -CAD

    \x0d\x0a\x0d\x0a

    T\ -he free version \ -has the same cap\ -abilities as the\ - full version, e\ -xcepted the\x0d\x0aexp\ -orts to other fo\ -rmats. Bad!

    \x0d\ -\x0a\x0d\x0a

    TurboCAD<\ -/h4>\x0d\x0a\x0d\x0a

    Only \ -a 15 days trial \ -version - TO SEE\ -

    \x0d\x0a\x0d\x0a

    Soli\ -d Edge 2D Drafti\ -ng (Siemens)\x0d\x0a\x0d\x0a

    The 3.8 \ -GB big app from \ -Siemens is free of charg\ -e. It i\ -s\x0d\x0aincredible so\ -ftware. But It s\ -eems there is no\ - SVG export at a\ -ll. \x22Schade\x22.\x0d\x0a\x0d\x0a

    Draftsi\ -ght 2D (Dassault\ -)

    \x0d\x0a\x0d\x0a

    Onl\ -y a 30 days tria\ -l version - TO S\ -EE. Oh my God! T\ -here is this \x22Po\ -wer Tool\x22\x0d\x0anamed\ - \x222D G-Code gene\ -rator\x22! Forget P\ -yCutl! (or not) \ -. SVG export see\ -ms to be\x0d\x0amore m\ -eant as a pictur\ -e for display on\ -ly purpose.

    \x0d\ -\x0a\x0d\x0a

    Fusion 36\ -0

    \x0d\x0a\x0d\x0a

    The\ - free version is\ - also incredible\ -. But I did not \ -try the SVG expo\ -rt,\x0d\x0abecause I g\ -ave up in the me\ -anwhile looking \ -for SVG editor..\ -.

    \x0d\x0a\x0d\x0a

    Wha\ -t else?

    \x0d\x0a\x0d\x0a\ -

    It is cumbers\ -ome to try to fi\ -nd a decent SVG \ -editor, or at le\ -ast a CAD\x0d\x0aprogr\ -am with ease of \ -use and decent S\ -VG export. \ -LibreCAD<\ -/strong> would b\ -e simply very go\ -od if it\x0d\x0acould \ -support spline \x22\ -concatenation\x22 i\ -nto a path (keep\ -ing dxf as input\ - data\x0d\x0aalongside\ - svg as export d\ -ata is not a pro\ -blem). Does anyo\ -ne knows one? (I\ - mean,\x0d\x0aif he/s<\ -strong>\ -he **really** tr\ -ied it and can r\ -ecommand it).\x0d\x0a<\ -strong>usabilit\ +y/features more \ +than\x0d\x0atop\ +.

    \x0d\x0a\ +\x0d\x0a

    Finally disco\ -vered SolveSpace\ - which is\x0d\x0asimpl\ -y great.<\ -/strong>

    \x0d\x0a\x0d\x0a\ -

    Conclusion\x0d\x0a\x0d\x0a

    The fa\ -ct that it is so\ - difficult to fi\ -nd an acceptable\ - SVG path \x22write\ -r\x22\x0d\x0aprogram can \ -only be due to t\ -he SVG format it\ -self, which is c\ -ompletely \x22user\x22\ - or\x0d\x0a\x22app\x22 un-fr\ -iendly. The path\ - definition is t\ -oo complicated. \ -What is the poin\ -t of\x0d\x0aallowing p\ -aths with sub-pa\ -ths? maybe becau\ -se the SVG forma\ -t completely ign\ -ores\x0d\x0athe concep\ -t of \x22multiline\x22\ -/\x22multipolygon\x22 \ -etc. Polygons ha\ -ve no \x22interiors\ -\x22 so\x0d\x0athey must \ -be defined as su\ -ch in a path com\ -posed with 2 or \ -more subpaths fo\ -r\x0d\x0athis purpose.\ -

    \x0d\x0a\x0d\x0a

    All in all ve\ -ry desapointing,\ - excepted LibreCAD<\ -/span> and SVG export pe\ +rfect (well, nea\ +rly\x0d\x0aperfect) . The con\ +struction constr\ +aints can also b\ +e exported, so t\ +here\x0d\x0aare a lot \ +of \x22paths\x22 in th\ +e svg export, ev\ +en if you have d\ +rawn only 1 path\ +.\x0d\x0aUnfortunately\ +, you cannot giv\ +e your paths som\ +e ids. It would \ +be nice if these\ +\x0d\x0a\x22contraints\x22 p\ +aths could be gr\ +ouped into their\ + own group in or\ +der to isolated\x0d\ +\x0athem from the r\ +eal paths. There\ + are only cubic \ +bezier curves, q\ +uadratic bezier\x0d\ +\x0acurves are unfo\ +rtunately missin\ +g (not sure). Th\ +e SVG closed pat\ +h \x22Z\x22 is also\x0d\x0am\ +issing (should s\ +ubmit a patch!).\ +

    \x0d\x0a\x0d\x0a

    Concl\ +usion: The best SV\ +G \x22path\x22 generat\ +or (and\x0d\x0apath \x22c\ +onstructor\x22) I h\ +ave found so far\ +.

    \x0d\x0a\ +\x0d\x0a

    XFig

    \x0d\ +\x0a\x0d\x0a

    My beloved\ + drawing editor \ +during my youth!\ + Completely outd\ +ated, but still\x0d\ +\x0athe best! Unfor\ +tunately the SVG\ + export is defic\ +ient. There are \ +Bezier curves\x0d\x0a(\ +really?) i.e. sp\ +lines with contr\ +ol points (it lo\ +oks like Bezier)\ + but the SVG\x0d\x0aex\ +port outputs the\ +m as polylines. \ +Conclusi\ +on: unusable

    \x0d\x0a\x0d\x0a

    \ +Online e\ +ditors:\ +

    \x0d\x0a\x0d\x0a

    There\ + are plenty of t\ +hem, but they al\ +l seem to be mea\ +nt for painting,\ + not\x0d\x0afor CAD (a\ + little like Ink\ +scape). Please c\ +orrect me if I a\ +m wrong.

    \x0d\x0a\x0d\x0a\ +

    Non-free sof\ +tware

    \x0d\x0a\x0d\x0aDesignCAD\ +\x0d\x0a\x0d\x0a

    The free \ +version has the \ +same capabilitie\ +s as the full ve\ +rsion, excepted \ +the\x0d\x0aexports to \ +other formats. B\ +ad!

    \x0d\x0a\x0d\x0a

    T\ +urboCAD

    \x0d\x0a\x0d\x0a\ +

    Only a 15 day\ +s trial version \ +- TO SEE

    \x0d\x0a\x0d\x0a\ +

    Solid Edge 2\ +D Drafting (Siem\ +ens)

    \x0d\x0a\x0d\x0a

    \ +The 3.8 GB big a\ +pp from Siemens \ +is free \ +of charge. It is\x0d\x0aincre\ +dible software. \ +But It seems the\ +re is no SVG exp\ +ort at all. \x22Sch\ +ade\x22.

    \x0d\x0a\x0d\x0aDraftsight 2D (\ +Dassault)\x0d\x0a\ +\x0d\x0a

    Only a 30 d\ +ays trial versio\ +n - TO SEE. Oh m\ +y God! There is \ +this \x22Power Tool\ +\x22\x0d\x0anamed \x222D G-C\ +ode generator\x22! \ +Forget PyCutl! (\ +or not) . SVG ex\ +port seems to be\ +\x0d\x0amore meant as \ +a picture for di\ +splay only purpo\ +se.

    \x0d\x0a\x0d\x0a

    F\ +usion 360

    \x0d\x0a\ +\x0d\x0a

    The free ve\ +rsion is also in\ +credible. But I \ +did not try the \ +SVG export,\x0d\x0abec\ +ause I gave up i\ +n the meanwhile \ +looking for SVG \ +editor...

    \x0d\x0a\x0d\ +\x0a

    What else?<\ +/h4>\x0d\x0a\x0d\x0a

    It is\ + cumbersome to t\ +ry to find a dec\ +ent SVG editor, \ +or at least a CA\ +D\x0d\x0aprogram with \ +ease of use and \ +decent SVG expor\ +t. SolveSpa\ -ce!

    \x0d\x0a\x0d\x0a

    <\ +008000\x22>LibreCAD\ +\ + would be simply\ + very good if it\ +\x0d\x0acould support \ +spline \x22concaten\ +ation\x22 into a pa\ +th (keeping dxf \ +as input data\x0d\x0aa\ +longside svg as \ +export data is n\ +ot a problem). D\ +oes anyone knows\ + one? (I mean,\x0d\x0a\ +if he/s<\ +/strong>he **rea\ +lly** tried it a\ +nd can recommand\ + it).\x0d\x0a<\ span style=\x22colo\ -r:#0000ff\x22>Per h\ -and

    \x0d\ -\x0a\x0d\x0a

    Finally my\ - prefered method\ -! Per hand you c\ -an also write it\ -ems in the\x0d\x0a<def> section, an\ -d use these item\ -s repeatidly wit\ -h\x0d\x0atransformatio\ -ns with the <use> tag. My uti\ -lity\x0d\x0asv\ -gresolver.py then trans\ -forms this svg f\ -ile into another\ - one,\x0d\x0ausable fo\ -r PyCut.\ - Not the perfect\ - toolchain I adm\ -it, but well my \ -svgs\x0d\x0aare not th\ -at complicated. You hav\ -e to understand \ -how to write an\x0d\ -\x0aarc/bezier curv\ -e per hand, it i\ -s not that diffi\ -cult. And yours \ -svgs are then\x0d\x0a\x22\ -clean\x22.

    \x0d\x0a\x0d\x0a\ -

    \x0d\x0a\x0d\x0a

    \x0d\x0a\x0d\x0a\x0d\x0a\x0d\x0a\ +r:#008000\x22>Final\ +ly discovered So\ +lveSpace which i\ +s\x0d\x0asimply great.\ +\ +

    \x0d\x0a\x0d\x0a

    Conc\ +lusion

    \x0d\x0a\x0d\x0a<\ +p>The fact that \ +it is so difficu\ +lt to find an ac\ +ceptable SVG pat\ +h \x22writer\x22\x0d\x0aprog\ +ram let me wonde\ +r why it is the \ +case. And why do\ +es only\x0d\x0aSolveSpace perform the\ + task correctly?\ + Why such a capa\ +ble App\x0d\x0alike LibreCAD fails fo\ +r this task? Wel\ +l in case of Lib\ +reCAD,\x0d\x0ait canno\ +t concatenate sp\ +lines with lines\ +, so does the ex\ +port. Maybe beca\ +use the\x0d\x0asvg pat\ +h definition is \ +too complicated,\ + \x22nobody\x22 want t\ +o parse it, and \ +thus in\x0d\x0areturn \ +is interested in\ + exporting it ri\ +ght. And the app\ +s which theoryti\ +cally\x0d\x0acould use\ + the SVG path as\ + import (as Solv\ +eSpace could -le\ +t's write a patc\ +h!-)\x0d\x0aexport the\ +m then correctly\ + too. But who el\ +se would want to\ + import svg path\ +s?\x0d\x0aWhat do all \ +these SVG apps? \ +I cannot test th\ +em all! Concerni\ +ng svg paths, wh\ +at\x0d\x0ais the point\ + of allowing pat\ +hs with sub-path\ +s? maybe because\ + the SVG format\x0d\ +\x0acompletely igno\ +res the concept \ +of \x22multiline\x22/\x22\ +multipolygon\x22 et\ +c. Polygons have\ +\x0d\x0ano \x22interiors\x22\ + so they must be\ + defined as such\ + in a path compo\ +sed of 2 or more\ +\x0d\x0asubpaths for t\ +his purpose.

    \ +\x0d\x0a\x0d\x0a

    A\ +ll in all very d\ +esapointing, exc\ +epted LibreCAD and SolveSpace!<\ +/span><\ +/p>\x0d\x0a\x0d\x0a

    Per hand<\ +/span>

    \x0d\x0a\x0d\x0a<\ +p>Finally my pre\ +fered method! Pe\ +r hand you can a\ +lso write items \ +in the\x0d\x0a&l\ +t;def>\ + section, and us\ +e these items re\ +peatidly with\x0d\x0at\ +ransformations w\ +ith the &l\ +t;use>\ + tag. My utility\ +\x0d\x0asvgres\ +olver.py     then transform\ +s this svg file \ +into another one\ +,\x0d\x0ausable for PyCut. Not\ + the perfect too\ +lchain I admit, \ +but well my svgs\ +\x0d\x0aare not that c\ +omplicated. You have to\ + understand how \ +to write an\x0d\x0aarc\ +/bezier curve pe\ +r hand, it is no\ +t that difficult\ +. And yours svgs\ + are then\x0d\x0a\x22clean\x22.

    \x0d\x0a\x0d\x0a

    <\ +/p>\x0d\x0a\x0d\x0a

    \x0d\x0a\ +\x0d\x0a\x0d\ +\x0a\x0d\x0a\ \x00\x00g\xca\ \x89\ PNG\x0d\x0a\x1a\x0a\x00\x00\x00\x0dIHDR\x00\ @@ -16815,2358 +16849,2339 @@ \x88\x911\x00@\x88\x1412\x06\x00\x08\x91\x22F\xc6\ \x00\x00!R\xc4\xfe\xef\xff\xfe?\xf4*`\xd6\xa9\xc3\ \xff\xb4\x00\x00\x00\x00IEND\xaeB`\x82\ -\x00\x00\x92\xd1\ +\x00\x00\x91\xad\ <\ -html>\x0d\x0a\x0d\x0a \ - \x0d\x0a P\ -YCUT TUTORIAL</t\ -itle>\x0d\x0a <link h\ -ref=\x22css/prism.c\ -ss\x22 rel=\x22stylesh\ -eet\x22>\x0d\x0a <link h\ -ref=\x22css/pycut.c\ -ss\x22 rel=\x22stylesh\ -eet\x22>\x0d\x0a <link h\ -ref=\x22css/simplet\ -ree.css\x22 rel=\x22st\ -ylesheet\x22>\x0d\x0a <s\ -cript type=\x22text\ -/javascript\x22 src\ -=\x22js/prism.js\x22>\x0d\ -\x0a </script>\x0d\x0a</h\ -ead>\x0d\x0a\x0d\x0a<body>\x0d\x0a\ -<!-- -----------\ +html>\x0a<head>\x0a <\ +meta http-equiv=\ +\x22content-type\x22 c\ +ontent=\x22text/htm\ +l; charset=UTF-8\ +\x22>\x0a <title>PYCU\ +T TUTORIAL</titl\ +e>\x0a <link href=\ +\x22css/prism.css\x22 \ +rel=\x22stylesheet\x22\ +>\x0a <link href=\x22\ +css/pycut.css\x22 r\ +el=\x22stylesheet\x22>\ +\x0a <link href=\x22c\ +ss/simpletree.cs\ +s\x22 rel=\x22styleshe\ +et\x22>\x0a <script t\ +ype=\x22text/javasc\ +ript\x22 src=\x22js/pr\ +ism.js\x22>\x0a </scri\ +pt>\x0a</head>\x0a\x0a<bo\ +dy>\x0a<!-- -------\ ----------------\ ----------------\ ----------------\ ----------------\ ----------------\ ----------------\ ->\x0d\x0a<!-- --------\ +---->\x0a<!-- -----\ ----------------\ ----------------\ ----------------\ ----------------\ ----------------\ ----------------\ ---->\x0d\x0a<!-- -----\ +------>\x0a<!-- ---\ ----------------\ ----------------\ ----------------\ ----------------\ ----------------\ ----------------\ ------->\x0d\x0a<!-- --\ +-------->\x0a<!-- -\ ----------------\ ----------------\ ----------------\ ----------------\ ----------------\ ----------------\ ---------->\x0d\x0a\x0d\x0a<d\ -iv class=\x22sidena\ -v\x22>\x0d\x0a<h3 class=\x22\ -title_sidenav\x22>C\ -ontents</h3>\x0d\x0a<u\ -l class=\x22tree\x22>\x0d\ -\x0a <li><a href=\x22\ -#P-01\x22>Introduct\ -ion</a> \x0d\x0a <u\ -l>\x0d\x0a <li><a\ - href=\x22#P-01-01\x22\ ->SVG Shapes and \ -Paths</a></li>\x0d\x0a\ - </ul>\x0d\x0a </l\ -i>\x0d\x0a <li><a hre\ -f=\x22#P-02\x22>SVG Do\ -cuments</a> </li\ ->\x0d\x0a <li><a href\ -=\x22#P-03\x22>Basic e\ -xample</a> \x0d\x0a \ - <ul>\x0d\x0a <li\ -><a href=\x22#P-03-\ -01\x22>Importing a \ -SVG file</a></li\ ->\x0d\x0a <li><a \ -href=\x22#P-03-02\x22>\ -Creating a PyCut\ - Job</a></li>\x0d\x0a \ +---------->\x0a\x0a<di\ +v class=\x22sidenav\ +\x22>\x0a<h3 class=\x22ti\ +tle_sidenav\x22>Con\ +tents</h3>\x0a<ul c\ +lass=\x22tree\x22>\x0a <\ +li><a href=\x22#P-0\ +1\x22>Introduction<\ +/a> \x0a <ul>\x0a \ + <li><a href=\ +\x22#P-01-01\x22>SVG S\ +hapes and Paths<\ +/a></li>\x0a </u\ +l>\x0a </li>\x0a <li\ +><a href=\x22#P-02\x22\ +>SVG Documents</\ +a> </li>\x0a <li><\ +a href=\x22#P-03\x22>B\ +asic example</a>\ + \x0a <ul>\x0a \ + <li><a href=\x22#P\ +-03-01\x22>Importin\ +g a SVG file</a>\ +</li>\x0a <li>\ +<a href=\x22#P-03-0\ +2\x22>Creating a Py\ +Cut Job</a></li>\ +\x0a <li><a hr\ +ef=\x22#P-03-03\x22>Cr\ +eating CAM opera\ +tions</a></li>\x0a \ <li><a href\ -=\x22#P-03-03\x22>Crea\ -ting CAM operati\ -ons</a></li>\x0d\x0a \ +=\x22#P-03-04\x22>Crea\ +te the GCode</a>\ +</li>\x0a </ul>\x0a\ + </li>\x0a <li><a\ + href=\x22#P-04\x22>GU\ +I Components</a>\ + \x0a <ul>\x0a \ + <li><a href=\x22#P\ +-04-01\x22>Svg Sett\ +ings</a></li>\x0a \ <li><a href=\ -\x22#P-03-04\x22>Creat\ -e the GCode</a><\ -/li>\x0d\x0a </ul>\x0d\ -\x0a </li>\x0d\x0a <li>\ -<a href=\x22#P-04\x22>\ -GUI Components</\ -a> \x0d\x0a <ul>\x0d\x0a \ +\x22#P-04-02\x22>Tool \ +(shared by all O\ +perations)</a></\ +li>\x0a <li><a\ + href=\x22#P-04-03\x22\ +>Tabs</a></li>\x0a \ <li><a href\ -=\x22#P-04-01\x22>Svg \ -Settings</a></li\ ->\x0d\x0a <li><a \ -href=\x22#P-04-02\x22>\ -Tool (shared by \ -all Operations)<\ -/a></li>\x0d\x0a \ -<li><a href=\x22#P-\ -04-03\x22>Tabs</a><\ -/li>\x0d\x0a <li>\ -<a href=\x22#P-04-0\ -4\x22>Material</a><\ -/li>\x0d\x0a <li>\ -<a href=\x22#P-04-0\ -5\x22>Curve to Line\ - Conversion</a><\ -/li>\x0d\x0a <li>\ -<a href=\x22#P-04-0\ -6\x22>GCode Convers\ -ion</a></li>\x0d\x0a \ +=\x22#P-04-04\x22>Mate\ +rial</a></li>\x0a \ <li><a href=\ -\x22#P-04-07\x22>GCode\ - Generation</a><\ -/li>\x0d\x0a </ul>\x0d\ -\x0a </li>\x0d\x0a <li>\ -<a href=\x22#P-05\x22>\ -Appendix-1: SVG \ -Editors</a></li>\ -\x0d\x0a</ul>\x0d\x0a<script\ - type=\x22text/java\ -script\x22>\x0d\x0avar tr\ +\x22#P-04-05\x22>Curve\ + to Line Convers\ +ion</a></li>\x0a \ + <li><a href=\x22\ +#P-04-06\x22>GCode \ +Conversion</a></\ +li>\x0a <li><a\ + href=\x22#P-04-07\x22\ +>GCode Generatio\ +n</a></li>\x0a <\ +/ul>\x0a </li>\x0a <\ +li><a href=\x22#P-0\ +5\x22>Appendix-1: S\ +VG Editors</a></\ +li>\x0a</ul>\x0a<scrip\ +t type=\x22text/jav\ +ascript\x22>\x0avar tr\ ee = document.qu\ erySelectorAll('\ ul.tree a:not(:l\ -ast-child)');\x0d\x0af\ -or (var i = 0; i\ - < tree.length; \ -i++){\x0d\x0a tree[\ -i].addEventListe\ -ner('click', fun\ -ction(e) {\x0d\x0a \ - var parent =\ - e.target.parent\ -Element;\x0d\x0a \ - var classList \ -= parent.classLi\ -st;\x0d\x0a if \ -(classList.conta\ -ins(\x22open\x22)) {\x0d\x0a\ - clas\ -sList.remove('op\ -en');\x0d\x0a \ - var opensubs \ -= parent.querySe\ -lectorAll(':scop\ -e .open');\x0d\x0a \ - for (var\ - i = 0; i < open\ -subs.length; i++\ -) {\x0d\x0a \ - opensubs[i]\ -.classList.remov\ -e('open');\x0d\x0a \ - }\x0d\x0a \ - } else {\x0d\x0a \ - classLi\ -st.add('open');\x0d\ -\x0a }\x0d\x0a \ - if (classLis\ -t.contains(\x22open\ -\x22)) {\x0d\x0a \ - //e.preventDe\ -fault(); // on o\ -pen -> jump (def\ -ault)\x0d\x0a \ - \x0d\x0a } els\ -e {\x0d\x0a \ - e.preventDefaul\ -t(); // on close\ -\x0d\x0a }\x0d\x0a \ - });\x0d\x0a}</script>\ -\x0d\x0a</div>\x0d\x0a<!-- -\ +ast-child)');\x0afo\ +r (var i = 0; i \ +< tree.length; i\ +++){\x0a tree[i]\ +.addEventListene\ +r('click', funct\ +ion(e) {\x0a \ + var parent = e.\ +target.parentEle\ +ment;\x0a va\ +r classList = pa\ +rent.classList;\x0a\ + if (clas\ +sList.contains(\x22\ +open\x22)) {\x0a \ + classList.\ +remove('open');\x0a\ + var \ +opensubs = paren\ +t.querySelectorA\ +ll(':scope .open\ +');\x0a \ +for (var i = 0; \ +i < opensubs.len\ +gth; i++) {\x0a \ + open\ +subs[i].classLis\ +t.remove('open')\ +;\x0a }\x0a\ + } else {\ +\x0a cla\ +ssList.add('open\ +');\x0a }\x0a \ + if (classL\ +ist.contains(\x22op\ +en\x22)) {\x0a \ + //e.preventD\ +efault(); // on \ +open -> jump (de\ +fault)\x0a \ + \x0a } else\ + {\x0a e\ +.preventDefault(\ +); // on close\x0a \ + }\x0a });\ +\x0a}</script>\x0a</di\ +v>\x0a<!-- --------\ ----------------\ ----------------\ ----------------\ ----------------\ ----------------\ ----------------\ ----------->\x0d\x0a<!-\ -- --------------\ +--->\x0a<!-- ------\ ----------------\ ----------------\ ----------------\ ----------------\ ----------------\ -------------->\x0d\x0a\ -<!-- -----------\ ----------------\ +----->\x0a<!-- ----\ ----------------\ ----------------\ ----------------\ ----------------\ ----------------\ ->\x0d\x0a<!-- --------\ ----------------\ +------->\x0a<!-- --\ ----------------\ ----------------\ ----------------\ ----------------\ ----------------\ ---->\x0d\x0a\x0d\x0a<div cla\ -ss=\x22main\x22>\x0d\x0a<h1 \ -class=\x22etitle\x22>P\ -yCut Tutorial</h\ -1>\x0d\x0a\x0d\x0a<h2 id=\x22P-\ -01\x22>Introduction\ -</h2>\x0d\x0a\x0d\x0a<p>Welc\ -ome to <strong>P\ -yCut</strong>, a\ - clone of <stron\ -g>jsCut</strong>\ -, the\x0d\x0aexcellent\ - (at least for b\ -eginners) CAM, w\ -eb-based program\ -m, that takes as\ - input\x0d\x0a<strong>\ -SVG</strong> fil\ -es and generates\ - G-Code. So why \ -this rewrite ?</\ -p>\x0d\x0a\x0d\x0a<p><strong\ ->PyCut</strong> \ -aims to offer al\ -l the (minimalis\ -tics) features f\ -ound\x0d\x0ain jsCut, \ -with some small \ -improvements. Ho\ -pefully you will\ - find\x0d\x0a<strong>P\ -yCut</strong> us\ -efull when learn\ -ing CNC and prod\ -ucing your first\ - GCode\x0d\x0afiles.</\ -p>\x0d\x0a\x0d\x0a<p>Startin\ -g point of <stro\ -ng>PyCut</strong\ -> are <strong>SV\ -G</strong> files\ -,\x0d\x0ayour designs.\ - In the followin\ -g, we will use <\ -strong>Inkscape<\ -/strong> to\x0d\x0apro\ -duce <strong>SVG\ +----------------\ +--------->\x0a\x0a<div\ + class=\x22main\x22>\x0a<\ +h1 class=\x22etitle\ +\x22>PyCut Tutorial\ +</h1>\x0a\x0a<h2 id=\x22P\ +-01\x22>Introductio\ +n</h2>\x0a\x0a<p>Welco\ +me to <strong>Py\ +Cut</strong>, a \ +clone of <strong\ +>jsCut</strong>,\ + the\x0aexcellent (\ +at least for beg\ +inners) CAM, web\ +-based programm,\ + that takes as i\ +nput\x0a<strong>SVG\ </strong> files \ -and will shortly\ - point out what \ -has to be\x0d\x0ataken\ - into considerat\ -ion when creatin\ -g \x22usable\x22 <stro\ -ng>SVG</strong> \ -files for\x0d\x0a<stro\ -ng>PyCut</strong\ ->.</p>\x0d\x0a\x0d\x0a<h3 id\ +and generates G-\ +Code. So why thi\ +s rewrite ?</p>\x0a\ +\x0a<p><strong>PyCu\ +t</strong> aims \ +to offer all the\ + (minimalistics)\ + features found\x0a\ +in jsCut, with s\ +ome small improv\ +ements. Hopefull\ +y you will find\x0a\ +<strong>PyCut</s\ +trong> usefull w\ +hen learning CNC\ + and producing y\ +our first GCode\x0a\ +files.</p>\x0a\x0a<p>S\ +tarting point of\ + <strong>PyCut</\ +strong> are <str\ +ong>SVG</strong>\ + files,\x0ayour des\ +igns. In the fol\ +lowing, we will \ +use <strong>Inks\ +cape</strong> to\ +\x0aproduce <strong\ +>SVG</strong> fi\ +les and will sho\ +rtly point out w\ +hat has to be\x0ata\ +ken into conside\ +ration when crea\ +ting \x22usable\x22 <s\ +trong>SVG</stron\ +g> files for\x0a<st\ +rong>PyCut</stro\ +ng>.</p>\x0a\x0a<h3 id\ =\x22P-01-01\x22>SVG S\ hapes and Paths<\ -/h3>\x0d\x0a\x0d\x0a<p>The S\ -VG standard is l\ -arge, and <stron\ +/h3>\x0a\x0a<p>The SVG\ + standard is lar\ +ge, and <strong>\ +PyCut</strong> c\ +annot simply rea\ +d a\x0asvg file, di\ +splay it, and al\ +low the user to \ +define cnc opera\ +tions on the\x0a\x22sh\ +apes\x22 defined in\ +side the svg fil\ +e. Of course, th\ +e goal of\x0a<stron\ g>PyCut</strong>\ - cannot simply r\ -ead a\x0d\x0asvg file,\ - display it, and\ - allow the user \ -to define cnc op\ -erations on the\x0d\ -\x0a\x22shapes\x22 define\ -d inside the svg\ - file. Of course\ -, the goal of\x0d\x0a<\ -strong>PyCut</st\ -rong> is to proc\ -ess as many svg \ -data as possible\ -.</p>\x0d\x0a\x0d\x0a<p>The \ -shapes inside a \ -svg file are the\ - following:</p>\x0d\ -\x0a<ul>\x0d\x0a <li><sp\ -an style=\x22color:\ -#0000ff\x22><rec\ -t></span></li\ ->\x0d\x0a <li><span s\ -tyle=\x22color:#000\ -0ff\x22><circle&\ -gt;</span></li>\x0d\ -\x0a <li><span sty\ -le=\x22color:#0000f\ -f\x22><ellipse&g\ -t;</span></li>\x0d\x0a\ - <li><span styl\ -e=\x22color:#0000ff\ -\x22><polygon>\ -;</span></li>\x0d\x0a \ - <li><span style\ -=\x22color:#0000ff\x22\ -><line></s\ -pan></li>\x0d\x0a <li\ -><span style=\x22co\ -lor:#0000ff\x22><\ -;polyline></s\ -pan></li>\x0d\x0a</ul>\ -\x0d\x0a\x0d\x0a<p>The almig\ -hty</p>\x0d\x0a<ul>\x0d\x0a \ - <li><span style\ -=\x22color:#0000ff\x22\ -><path></s\ -pan></li>\x0d\x0a</ul>\ -\x0d\x0a\x0d\x0a<p>can defin\ -e in a single pa\ -th definition ma\ -ny closed or ope\ -ned paths, not\x0d\x0a\ -necessarely rela\ -ted with each ot\ -hers.</p>\x0d\x0a\x0d\x0a<p>\ -Finally, the use\ -r will also want\ - to process the \ -strings written \ -in the svg\x0d\x0afile\ -:</p>\x0d\x0a<ul>\x0d\x0a <\ + is to process a\ +s many svg data \ +as possible.</p>\ +\x0a\x0a<p>The shapes \ +inside a svg fil\ +e are the follow\ +ing:</p>\x0a<ul>\x0a \ +<li><span style=\ +\x22color:#0000ff\x22>\ +<rect></sp\ +an></li>\x0a <li><\ +span style=\x22colo\ +r:#0000ff\x22><c\ +ircle></span>\ +</li>\x0a <li><spa\ +n style=\x22color:#\ +0000ff\x22><elli\ +pse></span></\ +li>\x0a <li><span \ +style=\x22color:#00\ +00ff\x22><polygo\ +n></span></li\ +>\x0a <li><span st\ +yle=\x22color:#0000\ +ff\x22><line>\ +</span></li>\x0a <\ li><span style=\x22\ color:#0000ff\x22>&\ -lt;text></spa\ -n></li>\x0d\x0a</ul>\x0d\x0a\ -\x0d\x0a<p><strong>PyC\ -ut</strong> proc\ -esses \x22paths\x22 in\ - order to calcul\ -ate cnc tool\x0d\x0apa\ +lt;polyline><\ +/span></li>\x0a</ul\ +>\x0a\x0a<p>The almigh\ +ty</p>\x0a<ul>\x0a <l\ +i><span style=\x22c\ +olor:#0000ff\x22>&l\ +t;path></span\ +></li>\x0a</ul>\x0a\x0a<p\ +>can define in a\ + single path def\ +inition many clo\ +sed or opened pa\ +ths, not\x0anecessa\ +rely related wit\ +h each others.</\ +p>\x0a\x0a<p>Finally, \ +the user will al\ +so want to proce\ +ss the strings w\ +ritten in the sv\ +g\x0afile:</p>\x0a<ul>\ +\x0a <li><span sty\ +le=\x22color:#0000f\ +f\x22><text><\ +/span></li>\x0a</ul\ +>\x0a\x0a<p><strong>Py\ +Cut</strong> pro\ +cesses \x22paths\x22 i\ +n order to calcu\ +late cnc tool\x0apa\ ths, but thankfu\ lly it can read \ out of the box a\ ll kind of shape\ -s and paths,\x0d\x0aso\ - there is <stron\ -g>no need</stron\ -g> to convert yo\ -ur svg files int\ -o \x22paths\x0d\x0aonly\x22 \ -svgs.</p>\x0d\x0a\x0d\x0a<p>\ -<strong>PyCut</s\ -trong> will impo\ -rt these shapes/\ -paths either as \ -(shapely)\x0d\x0a\x22<spa\ -n style=\x22color:#\ -0000ff\x22>polygon<\ -/span>\x22 (i.e. <s\ -trong>closed\x0d\x0ait\ -ems</strong>) or\ - as (shapely) \x22<\ -span style=\x22colo\ -r:#0000ff\x22>line<\ -/span>\x22 (i.e.\x0d\x0a<\ -strong>opened it\ -ems</strong>). O\ -f course, svg <s\ -pan\x0d\x0astyle=\x22colo\ -r:#0000ff\x22><r\ -ect></span>, \ -<span\x0d\x0astyle=\x22co\ -lor:#0000ff\x22><\ -;circle></spa\ -n>, <span\x0d\x0astyle\ -=\x22color:#0000ff\x22\ -><ellipse>\ -</span> and <spa\ -n\x0d\x0astyle=\x22color:\ -#0000ff\x22><pol\ -ygon></span> \ -are closed items\ -, while <span\x0d\x0as\ +s and paths,\x0aso \ +there is <strong\ +>no need</strong\ +> to convert you\ +r svg files into\ + \x22paths\x0aonly\x22 sv\ +gs.</p>\x0a\x0a<p><str\ +ong>PyCut</stron\ +g> will import t\ +hese shapes/path\ +s either as (sha\ +pely)\x0a\x22<span sty\ +le=\x22color:#0000f\ +f\x22>polygon</span\ +>\x22 (i.e. <strong\ +>closed\x0aitems</s\ +trong>) or as (s\ +hapely) \x22<span s\ tyle=\x22color:#000\ -0ff\x22><line>\ -;</span> and <sp\ -an\x0d\x0astyle=\x22color\ -:#0000ff\x22><po\ -lyline></span\ -> are opened ite\ -ms. When importi\ -ng\x0d\x0aa <span styl\ -e=\x22color:#0000ff\ -\x22><path></\ -span>, things ar\ -e more complicat\ -ed,\x0d\x0aas a path c\ -an be composed o\ -f many subpaths \ -(starting with\x0d\x0a\ +0ff\x22>line</span>\ +\x22 (i.e.\x0a<strong>\ +opened items</st\ +rong>). Of cours\ +e, svg <span\x0asty\ +le=\x22color:#0000f\ +f\x22><rect><\ +/span>, <span\x0ast\ +yle=\x22color:#0000\ +ff\x22><circle&g\ +t;</span>, <span\ +\x0astyle=\x22color:#0\ +000ff\x22><ellip\ +se></span> an\ +d <span\x0astyle=\x22c\ +olor:#0000ff\x22>&l\ +t;polygon></s\ +pan> are closed \ +items, while <sp\ +an\x0astyle=\x22color:\ +#0000ff\x22><lin\ +e></span> and\ + <span\x0astyle=\x22co\ +lor:#0000ff\x22><\ +;polyline></s\ +pan> are opened \ +items. When impo\ +rting\x0aa <span st\ +yle=\x22color:#0000\ +ff\x22><path>\ +</span>, things \ +are more complic\ +ated,\x0aas a path \ +can be composed \ +of many subpaths\ + (starting with\x0a\ [<strong>Mm</str\ ong>]) and every\ subpath can be \ closed or not (e\ -nding with\x0d\x0a[<st\ -rong>Zz</strong>\ -]). <strong>PyCu\ -t</strong> will \ -try to import th\ -ese paths\x0d\x0adefin\ -itions right, an\ -d in case of clo\ -sed paths will a\ -lso try to impor\ -t them as\x0d\x0ashape\ -ly polygons \x22<st\ -rong>with holes<\ -/strong>\x22 even i\ -f this concept d\ -oes not\x0d\x0areally \ -exist in SVG. Mo\ -reover <strong>P\ -yCut</strong> wi\ -ll try to import\ - a svg\x0d\x0apath as \ -a valid MultiPol\ -ygon in the shap\ -ely sense, or as\ - a list of valid\ -\x0d\x0aMultiPolygons \ -if one single va\ -lid MultiPolygon\ - is not possible\ -. For example,\x0d\x0a\ -the letters \x22i\x22 \ -or \x22j\x22 are defin\ -ed with a single\ - svg path, defin\ -ing two\x0d\x0aseparat\ -es polygons, and\ - it makes sense \ -to consider thes\ -e paths as a sin\ -gle\x0d\x0ashapely Mul\ -tiPolygon entity\ -. The letter \x22a\x22\ - is a polygon wi\ -th one hole, the\ -\x0d\x0aletter \x22g\x22 is \ -a polygon with t\ -wo holes (for so\ -me fonts). In th\ -e freetype\x0d\x0avoca\ -bulary, \x22a\x22 is f\ -ormed by 2 \x22cont\ -ours\x22, \x22g\x22 by th\ -ree contours.</p\ ->\x0d\x0a\x0d\x0a<p>There is\ - one exception: \ -<strong>PyCut</s\ -trong> cannot pr\ -ocess yet <span\x0d\ -\x0astyle=\x22color:#0\ -000ff\x22><text&\ -gt;</span> items\ -. Fortunately, <\ -span\x0d\x0astyle=\x22col\ -or:#0000ff\x22><\ -text></span> \ -items can to be \ -converted into <\ -span\x0d\x0astyle=\x22col\ -or:#0000ff\x22><\ -path></span> \ -items within\x0d\x0a<s\ -trong>Inkscape</\ -strong>, sonce t\ -hey will be igno\ -red by\x0d\x0a<strong>\ -PyCut</strong>. \ -<strong>PyCut</s\ -trong> also come\ -s with the utiil\ -ty\x0d\x0a<strong>svgt\ -ext2svgpath.py</\ -strong> which wi\ -ll also convert \ -your <code><span\ -\x0d\x0astyle=\x22color:#\ -0000ff\x22><text\ -></span></cod\ -e> items. How to\ - use it? just\x0d\x0ac\ -all the <strong>\ -svgtext2svgpath.\ -py</strong> prog\ -ram which output\ -s in a new svg\x0d\x0a\ -the <span style=\ -\x22color:#0000ff\x22>\ -<text></sp\ -an> items as <sp\ -an\x0d\x0astyle=\x22color\ -:#0000ff\x22><pa\ -th></span> it\ -ems. Copy/paste \ -the result of a\x0d\ -\x0a<span style=\x22co\ +nding with\x0a[<str\ +ong>Zz</strong>]\ +). <strong>PyCut\ +</strong> will t\ +ry to import the\ +se paths\x0adefinit\ +ions right, and \ +in case of close\ +d paths will als\ +o try to import \ +them as\x0ashapely \ +polygons \x22<stron\ +g>with holes</st\ +rong>\x22 even if t\ +his concept does\ + not\x0areally exis\ +t in SVG. Moreov\ +er <strong>PyCut\ +</strong> will t\ +ry to import a s\ +vg\x0apath as a val\ +id MultiPolygon \ +in the shapely s\ +ense, or as a li\ +st of valid\x0aMult\ +iPolygons if one\ + single valid Mu\ +ltiPolygon is no\ +t possible. For \ +example,\x0athe let\ +ters \x22i\x22 or \x22j\x22 \ +are defined with\ + a single svg pa\ +th, defining two\ +\x0aseparates polyg\ +ons, and it make\ +s sense to consi\ +der these paths \ +as a single\x0ashap\ +ely MultiPolygon\ + entity. The let\ +ter \x22a\x22 is a pol\ +ygon with one ho\ +le, the\x0aletter \x22\ +g\x22 is a polygon \ +with two holes (\ +for some fonts).\ + In the freetype\ +\x0avocabulary, \x22a\x22\ + is formed by 2 \ +\x22contours\x22, \x22g\x22 \ +by three contour\ +s.</p>\x0a\x0a<p>There\ + is one exceptio\ +n: <strong>PyCut\ +</strong> cannot\ + process yet <sp\ +an\x0astyle=\x22color:\ +#0000ff\x22><tex\ +t></span> ite\ +ms. Fortunately,\ + <span\x0astyle=\x22co\ lor:#0000ff\x22><\ ;text></span>\ - conversion into\ - your own svg. A\ -\x0d\x0asuccessfull co\ -nversion will on\ -ly occurs if the\ - <span\x0d\x0astyle=\x22c\ -olor:#0000ff\x22>&l\ -t;text></span\ -> item is simple\ - enough: the tex\ -t\x0d\x0a\x22value\x22 shoul\ -d not be splitte\ -d into several <\ -span\x0d\x0astyle=\x22col\ + items can to be\ + converted into \ +<span\x0astyle=\x22col\ or:#0000ff\x22><\ -tspan></span>\ - items with diff\ -erent fonts. No \ -<span\x0d\x0astyle=\x22co\ -lor:#0000ff\x22><\ -;tspan></span\ -> tag at all is \ -also possible (a\ -nd\x0d\x0asimpler). <s\ -trong><span styl\ -e=\x22color:#8000ff\ -\x22>IN PROGRESS</s\ -pan></strong>.</\ -p>\x0d\x0a\x0d\x0a<p>All in \ +path></span> \ +items within\x0a<st\ +rong>Inkscape</s\ +trong>, sonce th\ +ey will be ignor\ +ed by\x0a<strong>Py\ +Cut</strong>. <s\ +trong>PyCut</str\ +ong> also comes \ +with the utiilty\ +\x0a<strong>svgtext\ +2svgpath.py</str\ +ong> which will \ +also convert you\ +r <code><span\x0ast\ +yle=\x22color:#0000\ +ff\x22><text>\ +</span></code> i\ +tems. How to use\ + it? just\x0acall t\ +he <strong>svgte\ +xt2svgpath.py</s\ +trong> program w\ +hich outputs in \ +a new svg\x0athe <s\ +pan style=\x22color\ +:#0000ff\x22><te\ +xt></span> it\ +ems as <span\x0asty\ +le=\x22color:#0000f\ +f\x22><path><\ +/span> items. Co\ +py/paste the res\ +ult of a\x0a<span s\ +tyle=\x22color:#000\ +0ff\x22><text>\ +;</span> convers\ +ion into your ow\ +n svg. A\x0asuccess\ +full conversion \ +will only occurs\ + if the <span\x0ast\ +yle=\x22color:#0000\ +ff\x22><text>\ +</span> item is \ +simple enough: t\ +he text\x0a\x22value\x22 \ +should not be sp\ +litted into seve\ +ral <span\x0astyle=\ +\x22color:#0000ff\x22>\ +<tspan></s\ +pan> items with \ +different fonts.\ + No <span\x0astyle=\ +\x22color:#0000ff\x22>\ +<tspan></s\ +pan> tag at all \ +is also possible\ + (and\x0asimpler). \ +<strong><span st\ +yle=\x22color:#8000\ +ff\x22>IN PROGRESS<\ +/span></strong>.\ +</p>\x0a\x0a<p>All in \ all, if <strong>\ PyCut</strong> w\ ere to display t\ ext strings at t\ -he\x0d\x0awrong positi\ -ons, the user ca\ -n always export \ -the svg from\x0d\x0a<s\ -trong>Inkscape</\ -strong> (and wri\ -te <strong>PyCut\ -</strong> a tick\ -et).</p>\x0d\x0a\x0d\x0a<h4>\ -Closed and opene\ -d paths</h4>\x0d\x0a\x0d\x0a\ -<p>A path can be\ - closed or not. \ -A closed path or\ - subpath contain\ -s the\x0d\x0aannotatio\ -n <strong>\x22Z\x22</s\ -trong> or <stron\ -g>\x22z\x22</strong> a\ -t its end. Even \ -if the\x0d\x0afirst po\ -int of the path \ -is equal to its \ -last point, the \ -path is only con\ -sidered\x0d\x0aas clos\ -ed with the endi\ -ng \x22Z/z\x22.</p>\x0d\x0a\x0d\ -\x0a<div class=\x22war\ -ning\x22>\x0d\x0a<p><stro\ -ng>Warning:</str\ -ong> PyCut stron\ -gly relies on th\ -is annotation to\ - decide\x0d\x0aif the \ -path is closed o\ -r not. When not \ -closed, \x22Pocket\x22\ - operations for \ -example\x0d\x0awill no\ -t be allowed for\ - this path.</p>\x0d\ -\x0a</div>\x0d\x0a\x0d\x0a<p>Py\ -Cut imports clos\ -ed paths as shap\ -ely \x22Polygon\x22 (i\ -nfact \x22MultiPoly\ -gon\x22),\x0d\x0awhile op\ -ened paths are i\ -mported as \x22Line\ -String\x22 (infact \ -\x22MultiLineString\ -\x22).</p>\x0d\x0a\x0d\x0a<h4>T\ -ransformations</\ -h4>\x0d\x0a\x0d\x0a<p><stron\ -g>PyCut</strong>\ - cannot handle \x22\ -out of the box\x22 \ -(yet) svg datas \ -where\x0d\x0ashapes/pa\ -ths are defined \ -with \x22transform\x22\ - operations (tra\ -nslate, rotate\x0d\x0a\ -etc.).</p>\x0d\x0a\x0d\x0a<p\ ->Nevertheless, i\ -t is possible to\ - \x22resolve\x22 the s\ -hapes transforma\ -tions, as\x0d\x0a<stro\ -ng>PyCut</strong\ -> also comes wit\ -h the utility\x0d\x0a<\ -strong>svgresolv\ -er.py</strong>. \ -The <strong>svgr\ -esolver.py</stro\ -ng> program\x0d\x0area\ -ds any svg data \ -and outputs a ne\ -w svg data with \ -all transformati\ -ons\x0d\x0aresolved, w\ -hile keeping the\ -<strong>\x22id\x22</st\ -rong>s right. <s\ -trong><span\x0d\x0asty\ -le=\x22color:#8000f\ -f\x22>IN PROGRESS</\ -span></strong>: \ -this utility sho\ -uld be\x0d\x0aintegrat\ +he\x0awrong positio\ +ns, the user can\ + always export t\ +he svg from\x0a<str\ +ong>Inkscape</st\ +rong> (and write\ + <strong>PyCut</\ +strong> a ticket\ +).</p>\x0a\x0a<h4>Clos\ +ed and opened pa\ +ths</h4>\x0a\x0a<p>A p\ +ath can be close\ +d or not. A clos\ +ed path or subpa\ +th contains the\x0a\ +annotation <stro\ +ng>\x22Z\x22</strong> \ +or <strong>\x22z\x22</\ +strong> at its e\ +nd. Even if the\x0a\ +first point of t\ +he path is equal\ + to its last poi\ +nt, the path is \ +only considered\x0a\ +as closed with t\ +he ending \x22Z/z\x22.\ +</p>\x0a\x0a<div class\ +=\x22warning\x22>\x0a<p><\ +strong>Warning:<\ +/strong> PyCut s\ +trongly relies o\ +n this annotatio\ +n to decide\x0aif t\ +he path is close\ +d or not. When n\ +ot closed, \x22Pock\ +et\x22 operations f\ +or example\x0awill \ +not be allowed f\ +or this path.</p\ +>\x0a</div>\x0a\x0a<p>PyC\ +ut imports close\ +d paths as shape\ +ly \x22Polygon\x22 (in\ +fact \x22MultiPolyg\ +on\x22),\x0awhile open\ +ed paths are imp\ +orted as \x22LineSt\ +ring\x22 (infact \x22M\ +ultiLineString\x22)\ +.</p>\x0a\x0a<h4>Trans\ +formations</h4>\x0a\ +\x0a<p><strong>PyCu\ +t</strong> canno\ +t handle \x22out of\ + the box\x22 (yet) \ +svg datas where\x0a\ +shapes/paths are\ + defined with \x22t\ +ransform\x22 operat\ +ions (translate,\ + rotate\x0aetc.).</\ +p>\x0a\x0a<p>Neverthel\ +ess, it is possi\ +ble to \x22resolve\x22\ + the shapes tran\ +sformations, as\x0a\ +<strong>PyCut</s\ +trong> also come\ +s with the utili\ +ty\x0a<strong>svgre\ +solver.py</stron\ +g>. The <strong>\ +svgresolver.py</\ +strong> program\x0a\ +reads any svg da\ +ta and outputs a\ + new svg data wi\ +th all transform\ +ations\x0aresolved,\ + while keeping t\ +he<strong>\x22id\x22</\ +strong>s right. \ +<strong><span\x0ast\ +yle=\x22color:#8000\ +ff\x22>IN PROGRESS<\ +/span></strong>:\ + this utility sh\ +ould be\x0aintegrat\ ed into <strong>\ PyCut</strong> s\ o that the user \ can spare this s\ -tep.\x0d\x0aActually, \ -this utility is \ -found in the sou\ -rce code under t\ -he folder\x0d\x0a\x22<str\ -ong>utilities/sv\ -gresolver</stron\ -g>\x22.</p>\x0d\x0a\x0d\x0a<h2 \ -id=\x22P-02\x22>Svg Do\ -cuments</h2>\x0d\x0a\x0d\x0a\ -<p>Svg datas can\ - be written with\ - basic editors (\ -vi, emacs etc..)\ - or with real\x0d\x0aa\ -pplications, as \ -<strong>Inkscape\ -</strong>. In bo\ -th cases, the sv\ -g datas should\x0d\x0a\ -contains (and <s\ -trong>Inkscape</\ -strong> does it \ -automatically) a\ -\x0d\x0a<strong>viewBo\ -x</strong>, and \ -the svg attribut\ -es <strong>width\ -</strong> and\x0d\x0a<\ -strong>height.</\ -strong> These 2 \ -important attrib\ -utes should be g\ -iven with a\x0d\x0auni\ -t, i.e \x22<strong>\ -mm</strong>\x22 or \ -\x22<strong>in</str\ -ong>\x22 as we are \ -editing data\x0d\x0ain\ - order to later \ -generate gcode (\ -with \x22mm\x22 or \x22in\ -\x22 units). This w\ -ill be used\x0d\x0alat\ -er when creating\ - GCode with the \ -<strong>PyCut</s\ -trong> option \x22Z\ -ero Lower\x0d\x0aLeft \ -of Material\x22 as \ -reference. This \ -option needs the\ - height of the\x0d\x0a\ -material.</p>\x0d\x0a\x0d\ -\x0a<h4>Shapes and \ -Paths\x22id\x22</h4>\x0d\x0a\ -\x0d\x0a<p>In order to\ - reference the s\ -hapes, the shape\ -s/paths must hav\ -e their own\x0d\x0a<st\ -rong>\x22id\x22</stron\ -g>, hopefully un\ -ique inside the \ -svg document.</p\ ->\x0d\x0a\x0d\x0a<p>If the u\ -ser has edited t\ -he svg \x22per hand\ -\x22, then he shoul\ -d not forget to \ -give\x0d\x0aall shapes\ - an unique id. I\ -f the user has c\ -reated the svg w\ -ith\x0d\x0a<strong>Ink\ -scape</strong>, \ -then \x22id\x22s are a\ -utomatically giv\ -en, but maybe th\ -e\x0d\x0auser will wan\ -t to edit them a\ -nd give them mea\ -ningfull name.</\ -p>\x0d\x0a\x0d\x0a<h4>Writin\ -g Svg Files with\ - Inkscape</h4>\x0d\x0a\ -\x0d\x0a<p>With <stron\ -g>Inkscape</stro\ -ng>, the first s\ -tep is to specif\ -y the \x22Document\x0d\ -\x0asize\x22. Please c\ -hoose as units \x22\ -<strong>mm</stro\ -ng>\x22 or \x22<strong\ ->in</strong>\x22.\x0d\x0a\ -<span style=\x22col\ -or:#8000ff\x22><str\ -ong>You should a\ -lso do this when\ - creating a svg\x0d\ +tep.\x0aActually, t\ +his utility is f\ +ound in the sour\ +ce code under th\ +e folder\x0a\x22<stron\ +g>utilities/svgr\ +esolver</strong>\ +\x22.</p>\x0a\x0a<h2 id=\x22\ +P-02\x22>Svg Docume\ +nts</h2>\x0a\x0a<p>Svg\ + datas can be wr\ +itten with basic\ + editors (vi, em\ +acs etc..) or wi\ +th real\x0aapplicat\ +ions, as <strong\ +>Inkscape</stron\ +g>. In both case\ +s, the svg datas\ + should\x0acontains\ + (and <strong>In\ +kscape</strong> \ +does it automati\ +cally) a\x0a<strong\ +>viewBox</strong\ +>, and the svg a\ +ttributes <stron\ +g>width</strong>\ + and\x0a<strong>hei\ +ght.</strong> Th\ +ese 2 important \ +attributes shoul\ +d be given with \ +a\x0aunit, i.e \x22<st\ +rong>mm</strong>\ +\x22 or \x22<strong>in\ +</strong>\x22 as we\ + are editing dat\ +a\x0ain order to la\ +ter generate gco\ +de (with \x22mm\x22 or\ + \x22in\x22 units). Th\ +is will be used\x0a\ +later when creat\ +ing GCode with t\ +he <strong>PyCut\ +</strong> option\ + \x22Zero Lower\x0aLef\ +t of Material\x22 a\ +s reference. Thi\ +s option needs t\ +he height of the\ +\x0amaterial.</p>\x0a\x0a\ +<h4>Shapes and P\ +aths\x22id\x22</h4>\x0a\x0a<\ +p>In order to re\ +ference the shap\ +es, the shapes/p\ +aths must have t\ +heir own\x0a<strong\ +>\x22id\x22</strong>, \ +hopefully unique\ + inside the svg \ +document.</p>\x0a\x0a<\ +p>If the user ha\ +s edited the svg\ + \x22per hand\x22, the\ +n he should not \ +forget to give\x0aa\ +ll shapes an uni\ +que id. If the u\ +ser has created \ +the svg with\x0a<st\ +rong>Inkscape</s\ +trong>, then \x22id\ +\x22s are automatic\ +ally given, but \ +maybe the\x0auser w\ +ill want to edit\ + them and give t\ +hem meaningfull \ +name.</p>\x0a\x0a<h4>W\ +riting Svg Files\ + with Inkscape</\ +h4>\x0a\x0a<p>With <st\ +rong>Inkscape</s\ +trong>, the firs\ +t step is to spe\ +cify the \x22Docume\ +nt\x0asize\x22. Please\ + choose as units\ + \x22<strong>mm</st\ +rong>\x22 or \x22<stro\ +ng>in</strong>\x22.\ +\x0a<span style=\x22co\ +lor:#8000ff\x22><st\ +rong>You should \ +also do this whe\ +n creating a svg\ \x0afile with a tex\ t editor</strong\ -></span>.</p>\x0d\x0a\x0d\ -\x0a<h4>Writing Svg\ - Files with a Te\ -xt Editor</h4>\x0d\x0a\ -\x0d\x0a<p>Sometimes i\ -t is easier to e\ -dit a svg file w\ -ithout a graphic\ -al app like\x0d\x0aInk\ -scape, but simpl\ -y with a text ed\ -itor.</p>\x0d\x0a\x0d\x0a<p>\ -This way, it is \ -easy for example\ - to define shape\ -s in the\x0d\x0a<stron\ -g><def></s\ -trong> paragraph\ - and reuse these\ -s shapes in the \ -main body\x0d\x0aof th\ -e svg file with \ -the help of the \ -<strong><use&\ -gt;</strong> tag\ - and some\x0d\x0atrans\ -formations. The \ -utility <strong>\ -svgresolver.py</\ -strong> will hav\ -e to be\x0d\x0aused.</\ -p>\x0d\x0a<!-- -------\ +></span>.</p>\x0a\x0a<\ +h4>Writing Svg F\ +iles with a Text\ + Editor</h4>\x0a\x0a<p\ +>Sometimes it is\ + easier to edit \ +a svg file witho\ +ut a graphical a\ +pp like\x0aInkscape\ +, but simply wit\ +h a text editor.\ +</p>\x0a\x0a<p>This wa\ +y, it is easy fo\ +r example to def\ +ine shapes in th\ +e\x0a<strong><de\ +f></strong> p\ +aragraph and reu\ +se theses shapes\ + in the main bod\ +y\x0aof the svg fil\ +e with the help \ +of the <strong>&\ +lt;use></stro\ +ng> tag and some\ +\x0atransformations\ +. The utility <s\ +trong>svgresolve\ +r.py</strong> wi\ +ll have to be\x0aus\ +ed.</p>\x0a<!-- ---\ ----------------\ ----------------\ ----------------\ ----------------\ ----------------\ ----------------\ ----->\x0d\x0a<!-- ----\ +-------->\x0a<!-- -\ ----------------\ ----------------\ ----------------\ ----------------\ ----------------\ ----------------\ -------->\x0d\x0a\x0d\x0a<h2 \ -id=\x22P-03\x22>Basic \ -example</h2>\x0d\x0a\x0d\x0a\ -<h3>Opening the \ -PyCut applicatio\ -n</h3>\x0d\x0a\x0d\x0a<p>typ\ -e in the console\ -:</p>\x0d\x0a\x0d\x0a<p><cod\ -e>> python py\ -cut.py -h</code>\ -</p>\x0d\x0a\x0d\x0a<p><code\ ->> python pyc\ -ut.py [job]</cod\ -e></p>\x0d\x0a\x0d\x0a<p>Wit\ -hout argument, p\ -ycut opens itsel\ -f. With argument\ -, a previously s\ -aved job\x0d\x0ais ope\ -ned.</p>\x0d\x0a\x0d\x0a<p>F\ -or the very firs\ -t time, start py\ -cut without job.\ -</p>\x0d\x0a\x0d\x0a<h3 id=\x22\ -P-03-01\x22>Importi\ -ng a SVG file</h\ -3>\x0d\x0a\x0d\x0a<p>So impo\ +---------->\x0a\x0a<h2\ + id=\x22P-03\x22>Basic\ + example</h2>\x0a\x0a<\ +h3>Opening the P\ +yCut application\ +</h3>\x0a\x0a<p>type i\ +n the console:</\ +p>\x0a\x0a<p><code>>\ +; python pycut.p\ +y -h</code></p>\x0a\ +\x0a<p><code>> p\ +ython pycut.py [\ +job]</code></p>\x0a\ +\x0a<p>Without argu\ +ment, pycut open\ +s itself. With a\ +rgument, a previ\ +ously saved job\x0a\ +is opened.</p>\x0a\x0a\ +<p>For the very \ +first time, star\ +t pycut without \ +job.</p>\x0a\x0a<h3 id\ +=\x22P-03-01\x22>Impor\ +ting a SVG file<\ +/h3>\x0a\x0a<p>So impo\ rt your svg into\ <strong>PyCut</\ strong>: The SVG\ content should \ -be\x0d\x0adisplayed in\ - the central are\ -a. </p>\x0d\x0a\x0d\x0a<div \ -class=\x22info\x22>\x0d\x0a<\ -p><strong>Note:<\ -/strong> text is\ - not displayed i\ -nside the\x0d\x0a<stro\ -ng>PyCut</strong\ -> svg viewer. It\ - has to be conve\ -rted as <path\ -> in\x0d\x0aorder t\ -o be further pro\ -cessed.</p>\x0d\x0a</d\ -iv>\x0d\x0a\x0d\x0a<h3 id=\x22P\ --03-02\x22>Creating\ - a PyCut Job</h3\ ->\x0d\x0a\x0d\x0a<p>Then cre\ -ate a new \x22job\x22 \ -: this is a kind\ - of setting file\ - that stores for\ - a\x0d\x0agiven svg fi\ -le all the CAM o\ -perations that t\ -he users has cre\ -ated, together w\ -ith\x0d\x0aall others \ -settings relevan\ -t when generatin\ -g g-code. It can\ - be created, sav\ -ed\x0d\x0aand loaded a\ -gain and modifie\ -d - quite practi\ -cal.</p>\x0d\x0a\x0d\x0a<h3 \ +be\x0adisplayed in \ +the central area\ +. </p>\x0a\x0a<div cla\ +ss=\x22info\x22>\x0a<p><s\ +trong>Note:</str\ +ong> text is not\ + displayed insid\ +e the\x0a<strong>Py\ +Cut</strong> svg\ + viewer. It has \ +to be converted \ +as <path> \ +in\x0aorder to be f\ +urther processed\ +.</p>\x0a</div>\x0a\x0a<h\ +3 id=\x22P-03-02\x22>C\ +reating a PyCut \ +Job</h3>\x0a\x0a<p>The\ +n create a new \x22\ +job\x22 : this is a\ + kind of setting\ + file that store\ +s for a\x0agiven sv\ +g file all the C\ +AM operations th\ +at the users has\ + created, togeth\ +er with\x0aall othe\ +rs settings rele\ +vant when genera\ +ting g-code. It \ +can be created, \ +saved\x0aand loaded\ + again and modif\ +ied - quite prac\ +tical.</p>\x0a\x0a<h3 \ id=\x22P-03-03\x22>Cre\ ating CAM operat\ -ions</h3>\x0d\x0a\x0d\x0a<p>\ -Once an empty jo\ -b is created and\ - a svg file load\ -ed, it is time t\ -o create\x0d\x0asome C\ -AM operations: s\ -elect 1 or more \ -items in SVG win\ -dow (they should\ - turn\x0d\x0abeige) an\ -d click the butt\ -on \x22Create Opera\ -tion\x22: a new ope\ -ration in the\x0d\x0ao\ -peration table s\ -hould appear.</p\ ->\x0d\x0a\x0d\x0a<p>Define t\ -he properties of\ - the operation: \ -the main one is \ -the CAM operatio\ -n\x0d\x0atype: \x22<stron\ -g>Pocket</strong\ ->\x22, \x22<strong>Eng\ -rave</strong>\x22,\x0d\ -\x0a\x22<strong>Inside\ -</strong>\x22 or \x22<\ -strong>Outside</\ -strong>\x22. There \ -are also the\x0d\x0a\x22<\ -strong>Drill</st\ -rong>\x22 and \x22<str\ -ong>Peck</strong\ ->\x22 operations, f\ -or the <span\x0d\x0ast\ -yle=\x22color:#0000\ -ff\x22><circle&g\ -t;</span> shapes\ - whose diameter \ -smaller or\x0d\x0aequa\ -ls to the tool d\ -iameter. The oth\ -ers options will\ - be discussed la\ -ter.\x0d\x0aDefault va\ -lues at this poi\ -nt should be Ok.\ -</p>\x0d\x0a\x0d\x0a<h3 id=\x22\ -P-03-04\x22>Create \ -the GCode</h3>\x0d\x0a\ -\x0d\x0a<p>Select one \ -or more CAM oper\ -ations in the op\ -erations table: \ -the \x22geometry\x22 o\ -f\x0d\x0athe operation\ -(s) should turn \ -black in the SVG\ - viewer: this is\ - (are) the\x0d\x0aregi\ -on(s) of the mat\ -erial that wil b\ -e affected when \ -cutting the mate\ -rial.</p>\x0d\x0a\x0d\x0a<p>\ -Then finish crea\ -ting the G-Code \ -by pressing one \ -button \x22g code\x22 \ -in the\x0d\x0aoperatio\ -n table: the too\ -l path(s) should\ - appears in gree\ -n in the black\x0d\x0a\ -regions.</p>\x0d\x0a\x0d\x0a\ -<p>The produced \ -G-Code can be in\ -spected in the \x22\ -G code viewer\x22 a\ -nd the \x22G code\x0d\x0a\ -Simulator\x22 displ\ -ay areas.</p>\x0d\x0a\x0d\ -\x0a<p>You just hav\ -e to save the G-\ -Code and you're \ -done. The gcode \ -file should be\x0d\x0a\ -named as the CAM\ - operation name.\ -</p>\x0d\x0a<!-- -----\ +ions</h3>\x0a\x0a<p>On\ +ce an empty job \ +is created and a\ + svg file loaded\ +, it is time to \ +create\x0asome CAM \ +operations: sele\ +ct 1 or more ite\ +ms in SVG window\ + (they should tu\ +rn\x0abeige) and cl\ +ick the button \x22\ +Create Operation\ +\x22: a new operati\ +on in the\x0aoperat\ +ion table should\ + appear.</p>\x0a\x0a<p\ +>Define the prop\ +erties of the op\ +eration: the mai\ +n one is the CAM\ + operation\x0atype:\ + \x22<strong>Pocket\ +</strong>\x22, \x22<st\ +rong>Engrave</st\ +rong>\x22,\x0a\x22<strong\ +>Inside</strong>\ +\x22 or \x22<strong>Ou\ +tside</strong>\x22.\ + There are also \ +the\x0a\x22<strong>Dri\ +ll</strong>\x22 and\ + \x22<strong>Peck</\ +strong>\x22 operati\ +ons, for the <sp\ +an\x0astyle=\x22color:\ +#0000ff\x22><cir\ +cle></span> s\ +hapes whose diam\ +eter smaller or\x0a\ +equals to the to\ +ol diameter. The\ + others options \ +will be discusse\ +d later.\x0aDefault\ + values at this \ +point should be \ +Ok.</p>\x0a\x0a<h3 id=\ +\x22P-03-04\x22>Create\ + the GCode</h3>\x0a\ +\x0a<p>Select one o\ +r more CAM opera\ +tions in the ope\ +rations table: t\ +he \x22geometry\x22 of\ +\x0athe operation(s\ +) should turn bl\ +ack in the SVG v\ +iewer: this is (\ +are) the\x0aregion(\ +s) of the materi\ +al that wil be a\ +ffected when cut\ +ting the materia\ +l.</p>\x0a\x0a<p>Then \ +finish creating \ +the G-Code by pr\ +essing one butto\ +n \x22g code\x22 in th\ +e\x0aoperation tabl\ +e: the tool path\ +(s) should appea\ +rs in green in t\ +he black\x0aregions\ +.</p>\x0a\x0a<p>The pr\ +oduced G-Code ca\ +n be inspected i\ +n the \x22G code vi\ +ewer\x22 and the \x22G\ + code\x0aSimulator\x22\ + display areas.<\ +/p>\x0a\x0a<p>You just\ + have to save th\ +e G-Code and you\ +'re done. The gc\ +ode file should \ +be\x0anamed as the \ +CAM operation na\ +me.</p>\x0a<!-- ---\ ----------------\ ----------------\ ----------------\ ----------------\ ----------------\ ----------------\ ------->\x0d\x0a<!-- --\ +-------->\x0a<!-- -\ ----------------\ ----------------\ ----------------\ ----------------\ ----------------\ ----------------\ ---------->\x0d\x0a\x0d\x0a<h\ -2 id=\x22P-04\x22>GUI \ -Components</h2>\x0d\ -\x0a\x0d\x0a<h3 id=\x22P-04-\ -01\x22>Svg Settings\ -</h3>\x0d\x0a\x0d\x0a<img sr\ -c=\x22pycut_svgsett\ -ings.png\x22 width=\ -\x22310px\x22> \x0d\x0a\x0d\x0a<h4\ ->user units scal\ -e</h4>\x0d\x0a\x0d\x0a<p>Wha\ -t is this? And w\ -hy is it disable\ -d and set to 1? \ -Let's take an ex\ -ample: in\x0d\x0a<stro\ -ng>Inkscape</str\ -ong>, the user w\ -ould set the doc\ -ument's size to\x0d\ -\x0a<strong>100x40 \ -mm</strong>, sup\ -posedly the size\ - of the material\ - to work on.\x0d\x0aIn\ -kscape automatic\ -ally sets the <s\ -trong>user units\ - scale </strong>\ -<strong>to\x0d\x0a1</s\ -trong>. Note tha\ -t the user units\ - are not \x22px\x22 or\ - whatever. This \ -means,\x0d\x0a<strong>\ -1 \x22user unit\x22 is\ - equal to 1 mm (\ -and the viewbox \ -is \x220 0 100 40\x22 \ -while\x0d\x0awidth=\x2210\ +---------->\x0a\x0a<h2\ + id=\x22P-04\x22>GUI C\ +omponents</h2>\x0a\x0a\ +<h3 id=\x22P-04-01\x22\ +>Svg Settings</h\ +3>\x0a<img src=\x22pyc\ +ut_svgsettings.p\ +ng\x22 width=\x22310px\ +\x22> \x0a\x0a<h4>user un\ +its scale</h4>\x0a\x0a\ +<p>What is this?\ + And why is it d\ +isabled and set \ +to 1? Let's take\ + an example: in\x0a\ +<strong>Inkscape\ +</strong>, the u\ +ser would set th\ +e document's siz\ +e to\x0a<strong>100\ +x40 mm</strong>,\ + supposedly the \ +size of the mate\ +rial to work on.\ +\x0aInkscape automa\ +tically sets the\ + <strong>user un\ +its scale </stro\ +ng><strong>to\x0a1<\ +/strong>. Note t\ +hat the user uni\ +ts are not \x22px\x22 \ +or whatever. Thi\ +s means,\x0a<strong\ +>1 \x22user unit\x22 i\ +s equal to 1 mm \ +(and the viewbox\ + is \x220 0 100 40\x22\ + while\x0awidth=\x2210\ 0mm\x22 and height=\ \x2240mm\x22)</strong>\ -</p>\x0d\x0a\x0d\x0a<img src\ -=\x22Inkscape_setti\ -ngs_mm.png\x22 widt\ -h=\x22563px\x22> \x0d\x0a\x0d\x0a<\ -p>Of course when\ - editing the svg\ - (in Inkscape or\ - in a text edito\ -r),\x0d\x0a<strong>the\ - user is only co\ -ncerned with the\ - user units</str\ -ong> : he draws \ -a\x0d\x0arectangle of \ -size 20x30 at th\ -e location 10x10\ -. The users may \ -simply even not \ -be\x0d\x0aaware of thi\ -s fact. When cho\ -osing mm, conver\ -sion from <stron\ -g>user\x0d\x0aunits</s\ -trong> to <stron\ -g>mm</strong> is\ - absolutely stra\ -ightforward as, \ -as\x0d\x0asaid, the us\ -er units scale i\ -s 1 per default \ -.</p>\x0d\x0a\x0d\x0a<p>Let'\ -s consider now t\ -he case where th\ -e user switches \ -to\x0d\x0a<strong>inch\ -es</strong> for \ -the document siz\ -e. The size of t\ -he document beco\ -mes\x0d\x0athen <stron\ -g>3,93701x1,5748\ -0 inches</strong\ -> (yes, 100 / 25\ -.4 is 3.93701). \ -Note\x0d\x0athat <stro\ -ng>Inkscape</str\ -ong> automatical\ -ly change the <s\ -trong>user units\ -\x0d\x0ascale to 25.4<\ +</p>\x0a<img src=\x22I\ +nkscape_settings\ +_mm.png\x22 width=\x22\ +563px\x22> \x0a\x0a<p>Of \ +course when edit\ +ing the svg (in \ +Inkscape or in a\ + text editor),\x0a<\ +strong>the user \ +is only concerne\ +d with the user \ +units</strong> :\ + he draws a\x0arect\ +angle of size 20\ +x30 at the locat\ +ion 10x10. The u\ +sers may simply \ +even not be\x0aawar\ +e of this fact. \ +When choosing mm\ +, conversion fro\ +m <strong>user\x0au\ +nits</strong> to\ + <strong>mm</str\ +ong> is absolute\ +ly straightforwa\ +rd as, as\x0asaid, \ +the user units s\ +cale is 1 per de\ +fault .</p>\x0a\x0a<p>\ +Let's consider n\ +ow the case wher\ +e the user switc\ +hes to\x0a<strong>i\ +nches</strong> f\ +or the document \ +size. The size o\ +f the document b\ +ecomes\x0athen <str\ +ong>3,93701x1,57\ +480 inches</stro\ +ng> (yes, 100 / \ +25.4 is 3.93701)\ +. Note\x0athat <str\ +ong>Inkscape</st\ +rong> automatica\ +lly change the <\ +strong>user unit\ +s\x0ascale to 25.4<\ /strong>. Becaus\ e of this, the <\ strong>view box \ -remains at \x220 0\x0d\ -\x0a100 40\x22</strong\ ->. That way, a r\ -ectangle filling\ - the full docume\ -nt size is still\ -\x0d\x0a100x40.</p>\x0d\x0a\x0d\ -\x0a<img src=\x22Inksc\ -ape_settings_in.\ -png\x22 width=\x22563p\ -x\x22> \x0d\x0a\x0d\x0a<p>Filli\ -ng a box half th\ -e size of the do\ -cument is 50x20,\ - right, but what\ - are\x0d\x0areal physi\ -cal dimensions o\ -f that box ? The\ - user would have\ - to steadily\x0d\x0aca\ -lculate from fan\ -cy user units (e\ -x: 50x20) in inc\ -hes</p>\x0d\x0a\x0d\x0a<p>Bu\ -t why would a us\ -er use inches an\ -d work with user\ - units scale fac\ -tor 25.4\x0d\x0a(leadi\ -ng infact to wor\ -k in mm) ? The u\ -ser can set the \ -user units scale\ - factor\x0d\x0ato 1. T\ -he effect of thi\ -s is that now, i\ -n order to fill \ -the whole docume\ -nt with\x0d\x0aa recta\ -ngle, the rectan\ -gle has to be of\ - the size user u\ -nit size of\x0d\x0a3.9\ -3701x1.57480. </\ -p>\x0d\x0a\x0d\x0a<p>Of cour\ -se the size of t\ -he material is c\ -ertainly not 3.9\ -3701x1.57480 inc\ -hes,\x0d\x0abut someth\ -ing like 5x3 inc\ -hes: an human re\ -adable size. The\ - user knows that\ - he\x0d\x0ahas to draw\ - a rectangle ins\ -ide the material\ - of size let say\ - 1.5x1.2 inches.\ - And\x0d\x0athese dime\ -nsions are the o\ -nes that are eff\ -ectively saved i\ -n the svg docume\ -nt.\x0d\x0aSo the user\ - units are exact\ -ly the same as t\ -he \x22physical uni\ -ts\x22 when choosin\ -g a\x0d\x0ascale of 1.\ -</p>\x0d\x0a\x0d\x0a<p>Now h\ -ow can <strong>P\ -yCut</strong> ha\ -ndles these sett\ -ings?\x0d\x0a<strong>P\ -yCut</strong> on\ -ly works with th\ -e <strong>user u\ -nits</strong>.\x0d\x0a\ -<strong>PyCut</s\ -trong> will calc\ -ulate toolpaths \ -in the same orde\ -r of magnitude\x0d\x0a\ -of the user unit\ -s values of the \ -svg. If you choo\ -se \x22<strong>mm</\ -strong>\x22 for\x0d\x0ath\ -e gcode output, \ -you would have s\ -et your svg docu\ -ment size in\x0d\x0a\x22<\ -strong>mm</stron\ -g>\x22, and the <st\ -rong>user unit s\ -cale to 1</stron\ -g>. Because\x0d\x0aof \ -this, the gcode \ -X,Y and Z values\ - are the same as\ - the one of the \ -paths\x0d\x0avalues.</\ -p>\x0d\x0a\x0d\x0a<p>If you \ -choose \x22<strong>\ -in</strong>\x22 for\ - the gcode outpu\ -t, then certainl\ -y you\x0d\x0ahave set \ -your svg documen\ -t size in \x22<stro\ -ng>in</strong>\x22,\ - and the <strong\ ->with\x0d\x0auser unit\ - scale equals to\ - 1</strong>,no c\ -onversion is eit\ -her needed.</p>\x0d\ -\x0a\x0d\x0a<p>Note that \ -this scale facto\ -r is not explici\ -tely given in th\ -e svg file. It i\ -s\x0d\x0acalculated fr\ -om the ratio vie\ -wbox / width. It\ - is eventually t\ -he task of the\x0d\x0a\ -user to know wha\ -t is the user un\ -its scale value,\ - and, theoricall\ -y, to set it in\x0d\ -\x0a<strong>PyCut</\ -strong>. But my \ -opinion is, work\ -ing with a user \ -unit scal of 1\x0d\x0a\ -is preferably.</\ -p>\x0d\x0a\x0d\x0a<p><strong\ -><span style=\x22co\ -lor:#0000ff\x22>I p\ -ersonnaly stick \ -to svg document \ -units\x0d\x0ain \x22mm\x22 w\ -ith user units s\ -cale factor of 1\ -, and output my \ -gcode in mm. No\x0d\ -\x0aconfusion! </sp\ -an></strong></p>\ -\x0d\x0a\x0d\x0a<div class=\x22\ -warning\x22>\x0d\x0a<p><s\ +remains at \x220 0\x0a\ +100 40\x22</strong>\ +. That way, a re\ +ctangle filling \ +the full documen\ +t size is still\x0a\ +100x40.</p>\x0a<img\ + src=\x22Inkscape_s\ +ettings_in.png\x22 \ +width=\x22563px\x22> \x0a\ +\x0a<p>Filling a bo\ +x half the size \ +of the document \ +is 50x20, right,\ + but what are\x0are\ +al physical dime\ +nsions of that b\ +ox ? The user wo\ +uld have to stea\ +dily\x0acalculate f\ +rom fancy user u\ +nits (ex: 50x20)\ + in inches</p>\x0a\x0a\ +<p>But why would\ + a user use inch\ +es and work with\ + user units scal\ +e factor 25.4\x0a(l\ +eading infact to\ + work in mm) ? T\ +he user can set \ +the user units s\ +cale factor\x0ato 1\ +. The effect of \ +this is that now\ +, in order to fi\ +ll the whole doc\ +ument with\x0aa rec\ +tangle, the rect\ +angle has to be \ +of the size user\ + unit size of\x0a3.\ +93701x1.57480. <\ +/p>\x0a\x0a<p>Of cours\ +e the size of th\ +e material is ce\ +rtainly not 3.93\ +701x1.57480 inch\ +es,\x0abut somethin\ +g like 5x3 inche\ +s: an human read\ +able size. The u\ +ser knows that h\ +e\x0ahas to draw a \ +rectangle inside\ + the material of\ + size let say 1.\ +5x1.2 inches. An\ +d\x0athese dimensio\ +ns are the ones \ +that are effecti\ +vely saved in th\ +e svg document.\x0a\ +So the user unit\ +s are exactly th\ +e same as the \x22p\ +hysical units\x22 w\ +hen choosing a\x0as\ +cale of 1.</p>\x0a\x0a\ +<p>Now how can <\ +strong>PyCut</st\ +rong> handles th\ +ese settings?\x0a<s\ +trong>PyCut</str\ +ong> only works \ +with the <strong\ +>user units</str\ +ong>.\x0a<strong>Py\ +Cut</strong> wil\ +l calculate tool\ +paths in the sam\ +e order of magni\ +tude\x0aof the user\ + units values of\ + the svg. If you\ + choose \x22<strong\ +>mm</strong>\x22 fo\ +r\x0athe gcode outp\ +ut, you would ha\ +ve set your svg \ +document size in\ +\x0a\x22<strong>mm</st\ +rong>\x22, and the \ +<strong>user uni\ +t scale to 1</st\ +rong>. Because\x0ao\ +f this, the gcod\ +e X,Y and Z valu\ +es are the same \ +as the one of th\ +e paths\x0avalues.<\ +/p>\x0a\x0a<p>If you c\ +hoose \x22<strong>i\ +n</strong>\x22 for \ +the gcode output\ +, then certainly\ + you\x0ahave set yo\ +ur svg document \ +size in \x22<strong\ +>in</strong>\x22, a\ +nd the <strong>w\ +ith\x0auser unit sc\ +ale equals to 1<\ +/strong>,no conv\ +ersion is either\ + needed.</p>\x0a\x0a<p\ +>Note that this \ +scale factor is \ +not explicitely \ +given in the svg\ + file. It is\x0acal\ +culated from the\ + ratio viewbox /\ + width. It is ev\ +entually the tas\ +k of the\x0auser to\ + know what is th\ +e user units sca\ +le value, and, t\ +heorically, to s\ +et it in\x0a<strong\ +>PyCut</strong>.\ + But my opinion \ +is, working with\ + a user unit sca\ +l of 1\x0ais prefer\ +ably.</p>\x0a\x0a<p><s\ +trong><span styl\ +e=\x22color:#0000ff\ +\x22>I personnaly s\ +tick to svg docu\ +ment units\x0ain \x22m\ +m\x22 with user uni\ +ts scale factor \ +of 1, and output\ + my gcode in mm.\ + No\x0aconfusion! <\ +/span></strong><\ +/p>\x0a\x0a<div class=\ +\x22warning\x22>\x0a<p><s\ trong>Warning</s\ trong>: The user\ could use \x22mm\x22,\ and set a scale\ - factor of\x0d\x0a10 o\ -r whatever, but \ -it certainly mak\ -es no sense.</p>\ -\x0d\x0a</div>\x0d\x0a\x0d\x0a<p><\ -strong style=\x22co\ -lor:#0000ff\x22>I a\ -pologize for the\ - ones who would \ -like to\x0d\x0awork wi\ -th user units sc\ -ale not equals t\ -o 1.</strong> </\ -p>\x0d\x0a\x0d\x0a<p>The fur\ -ther <strong>PyC\ -ut Gcode Units</\ -strong> setting \ -is not only a fl\ -ag to\x0d\x0aset the c\ -ode <strong>G20<\ -/strong> (inches\ -) or <strong>G21\ -</strong> (mm) i\ -nside\x0d\x0athe gcode\ - file: it also a\ -llows the proper\ - conversion of t\ -he tool diameter\ -\x0d\x0aphysical size \ -(inch or mm) in \ -user units.</p>\x0d\ -\x0a\x0d\x0a<p>The rule i\ -s:</p>\x0d\x0a<ul>\x0d\x0a \ -<li><strong>Gcod\ + factor of\x0a10 or\ + whatever, but i\ +t certainly make\ +s no sense.</p>\x0a\ +</div>\x0a\x0a<p><stro\ +ng style=\x22color:\ +#0000ff\x22>I apolo\ +gize for the one\ +s who would like\ + to\x0awork with us\ +er units scale n\ +ot equals to 1.<\ +/strong> </p>\x0a\x0a<\ +p>The further <s\ +trong>PyCut Gcod\ e Units</strong>\ - in \x22mm\x22: tool d\ -iameter is trans\ -formed to mm\x0d\x0a \ - - the same as \ -the user units</\ -li>\x0d\x0a <li><stro\ + setting is not \ +only a flag to\x0as\ +et the code <str\ +ong>G20</strong>\ + (inches) or <st\ +rong>G21</strong\ +> (mm) inside\x0ath\ +e gcode file: it\ + also allows the\ + proper conversi\ +on of the tool d\ +iameter\x0aphysical\ + size (inch or m\ +m) in user units\ +.</p>\x0a\x0a<p>The ru\ +le is:</p>\x0a<ul>\x0a\ + <li><strong>Gc\ +ode Units</stron\ +g> in \x22mm\x22: tool\ + diameter is tra\ +nsformed to mm\x0a \ + - the same as\ + the user units<\ +/li>\x0a <li><stro\ ng>Gcode Units</\ strong> in \x22in\x22:\ tool diameter i\ s transformed to\ -\x0d\x0a inch - the\ - same as the use\ -r units</li>\x0d\x0a</\ -ul>\x0d\x0a\x0d\x0a<div clas\ -s=\x22warning\x22>\x0d\x0a<p\ -><strong>Warning\ -</strong>: <stro\ -ng>PyCut</strong\ -> assumes that f\ -or\x0d\x0a\x22<strong>mm<\ -/strong>\x22 or \x22<s\ -trong>in</strong\ ->\x22, the <strong>\ -user unit scale\x0d\ -\x0afactor is alway\ -s 1</strong> .</\ -p>\x0d\x0a</div>\x0d\x0a\x0d\x0a<p\ -></p>\x0d\x0a\x0d\x0a<h3 id=\ -\x22P-04-02\x22>Tool</\ -h3>\x0d\x0a\x0d\x0a<img src=\ -\x22pycut_tool.png\x22\ - width=\x22310px\x22> \ -\x0d\x0a\x0d\x0a<h3 id=\x22P-04\ --03\x22>Tabs</h3>\x0d\x0a\ -\x0d\x0a<p>It's easy t\ -o define tabs wi\ -th <strong>PyCut\ -</strong>: just \ -click the button\ -\x0d\x0a\x22Create Tab\x22 a\ -nd a red circle \ -is created in th\ -e svg viewer, of\ - radius 5 and\x0d\x0ap\ -osition (10,10).\ - The user can dr\ -ag 'n drop it fr\ -om the svg viewe\ -r, or set its\x0d\x0as\ -ize/postion in t\ -he tab table. Ye\ -s tabs, for simp\ -licity, are circ\ -le. To be\x0d\x0aeffec\ -tive, the tabs h\ -ave to be enable\ -d and of course \ -placed somewhere\ - on the\x0d\x0agenerat\ -ed toolpaths. Th\ -e height of the \ -tabs is shared b\ -y all tabs. <str\ -ong>They\x0d\x0aare ig\ -nored for Pocket\ - operations</str\ -ong>.</p>\x0d\x0a\x0d\x0a<im\ -g src=\x22./pycut_t\ -abs.png\x22 width=\x22\ -310px\x22> \x0d\x0a\x0d\x0a<p><\ -/p>\x0d\x0a\x0d\x0a<div clas\ -s=\x22warning\x22>\x0d\x0a<p\ -><strong>Warning\ -</strong>: Tabs \ -shall not overla\ -p with other tab\ -s (at least\x0d\x0athe\ - enabled ones).<\ -/p>\x0d\x0a</div>\x0d\x0a\x0d\x0a<\ -p>You can check \ -the Gcode genera\ -tion in the view\ -er/simulator if \ -everythings is\x0d\x0a\ -Ok. </p>\x0d\x0a\x0d\x0a<h3 \ -id=\x22P-04-04\x22>Mat\ -erial</h3>\x0d\x0a\x0d\x0a<p\ ->The Operations \ -\x22Cut Depth\x22 shou\ -ld not be larger\ - than the materi\ -al thickness.\x0d\x0a<\ -/p>\x0d\x0a\x0d\x0a<img src=\ -\x22./pycut_materia\ -l.png\x22 width=\x2231\ -0px\x22> \x0d\x0a\x0d\x0a<p></p\ ->\x0d\x0a\x0d\x0a<div class=\ -\x22warning\x22>\x0d\x0a<p><\ -strong>Warning</\ -strong>: Actuall\ -y no check is pe\ -rformed.</p>\x0d\x0a</\ -div>\x0d\x0a\x0d\x0a<h3 id=\x22\ -P-04-05\x22>Curve t\ -o Line Conversio\ -n</h3>\x0d\x0a\x0d\x0a<p>If \ -your design cont\ -ain curves (svg \ -\x22arcs\x22 or \x22bezie\ -r\x22 curves), they\ - have to\x0d\x0abe dis\ -cretized in smal\ -l segments.</p>\x0d\ -\x0a\x0d\x0a<img src=\x22./p\ -ycut_curve_to_li\ -ne_conversion.pn\ -g\x22 width=\x22300px\x22\ -> \x0d\x0a\x0d\x0a<p>The 2 f\ -ollowing paramet\ -ers allow to spe\ -cified how fine \ -the curve\x0d\x0adiscr\ -etization will b\ -e:</p>\x0d\x0a<ul>\x0d\x0a \ -<li>Minimun numb\ -er of segments</\ -li>\x0d\x0a <li>Minim\ -um Segments leng\ -th</li>\x0d\x0a</ul>\x0d\x0a\ -\x0d\x0a<h3 id=\x22P-04-0\ -6\x22>GCode Convers\ -ion</h3>\x0d\x0a\x0d\x0a<p>T\ -he starting loca\ -tion of a millin\ -g operation is g\ -iven by the init\ -ial\x0d\x0alocation in\ - the GCode. Per \ -default, PyCut g\ -ives as starting\ - point the (0,0)\ -\x0d\x0acoordinates of\ - the SVG file, w\ -hich is located \ -at the top-left \ -of the material.\ -\x0d\x0aThe SVG conven\ -tions are opposi\ -te to GCode conv\ -ention consideri\ -ng the Y\x0d\x0adirect\ -ion.</p>\x0d\x0a\x0d\x0a<p>S\ -o the GCode gene\ -ration will have\ - to invert the d\ -irection of the \ -Y axis\x0d\x0acoordina\ -tes. But still t\ -he reference is \ -the top-left pos\ -tion.</p>\x0d\x0a\x0d\x0a<p>\ +\x0a inch - the \ +same as the user\ + units</li>\x0a</ul\ +>\x0a\x0a<div class=\x22w\ +arning\x22>\x0a<p><str\ +ong>Warning</str\ +ong>: <strong>Py\ +Cut</strong> ass\ +umes that for\x0a\x22<\ +strong>mm</stron\ +g>\x22 or \x22<strong>\ +in</strong>\x22, th\ +e <strong>user u\ +nit scale\x0afactor\ + is always 1</st\ +rong> .</p>\x0a</di\ +v>\x0a\x0a<p></p>\x0a\x0a<h3\ + id=\x22P-04-02\x22>To\ +ol</h3>\x0a<img src\ +=\x22pycut_tool.png\ +\x22 width=\x22310px\x22>\ + \x0a\x0a<h3 id=\x22P-04-\ +03\x22>Tabs</h3>\x0a\x0a<\ +p>It's easy to d\ +efine tabs with \ +<strong>PyCut</s\ +trong>: just cli\ +ck the button\x0a\x22C\ +reate Tab\x22 and a\ + red circle is c\ +reated in the sv\ +g viewer, of rad\ +ius 5 and\x0apositi\ +on (10,10). The \ +user can drag 'n\ + drop it from th\ +e svg viewer, or\ + set its\x0asize/po\ +stion in the tab\ + table. Yes tabs\ +, for simplicity\ +, are circle. To\ + be\x0aeffective, t\ +he tabs have to \ +be enabled and o\ +f course placed \ +somewhere on the\ +\x0agenerated toolp\ +aths. The height\ + of the tabs is \ +shared by all ta\ +bs. <strong>They\ +\x0aare ignored for\ + Pocket operatio\ +ns</strong>.</p>\ +\x0a<img src=\x22./pyc\ +ut_tabs.png\x22 wid\ +th=\x22310px\x22> \x0a\x0a<p\ +></p>\x0a\x0a<div clas\ +s=\x22warning\x22>\x0a<p>\ +<strong>Warning<\ +/strong>: Tabs s\ +hall not overlap\ + with other tabs\ + (at least\x0athe e\ +nabled ones).</p\ +>\x0a</div>\x0a\x0a<p>You\ + can check the G\ +code generation \ +in the viewer/si\ +mulator if every\ +things is\x0aOk. </\ +p>\x0a\x0a<h3 id=\x22P-04\ +-04\x22>Material</h\ +3>\x0a\x0a<p>The Opera\ +tions \x22Cut Depth\ +\x22 should not be \ +larger than the \ +material thickne\ +ss.\x0a</p>\x0a<img sr\ +c=\x22./pycut_mater\ +ial.png\x22 width=\x22\ +310px\x22> \x0a\x0a<p></p\ +>\x0a\x0a<div class=\x22w\ +arning\x22>\x0a<p><str\ +ong>Warning</str\ +ong>: Actually n\ +o check is perfo\ +rmed.</p>\x0a</div>\ +\x0a\x0a<h3 id=\x22P-04-0\ +5\x22>Curve to Line\ + Conversion</h3>\ +\x0a\x0a<p>If your des\ +ign contain curv\ +es (svg \x22arcs\x22 o\ +r \x22bezier\x22 curve\ +s), they have to\ +\x0abe discretized \ +in small segment\ +s.</p>\x0a<img src=\ +\x22./pycut_curve_t\ +o_line_conversio\ +n.png\x22 width=\x2230\ +0px\x22> \x0a\x0a<p>The 2\ + following param\ +eters allow to s\ +pecified how fin\ +e the curve\x0adisc\ +retization will \ +be:</p>\x0a<ul>\x0a <\ +li>Minimun numbe\ +r of segments</l\ +i>\x0a <li>Minimum\ + Segments length\ +</li>\x0a</ul>\x0a\x0a<h3\ + id=\x22P-04-06\x22>GC\ +ode Conversion</\ +h3>\x0a\x0a<p>The star\ +ting location of\ + a milling opera\ +tion is given by\ + the initial\x0aloc\ +ation in the GCo\ +de. Per default,\ + PyCut gives as \ +starting point t\ +he (0,0)\x0acoordin\ +ates of the SVG \ +file, which is l\ +ocated at the to\ +p-left of the ma\ +terial.\x0aThe SVG \ +conventions are \ +opposite to GCod\ +e convention con\ +sidering the Y\x0ad\ +irection.</p>\x0a\x0a<\ +p>So the GCode g\ +eneration will h\ +ave to invert th\ +e direction of t\ +he Y axis\x0acoordi\ +nates. But still\ + the reference i\ +s the top-left p\ +ostion.</p>\x0a\x0a<p>\ It is possible t\ o change the ref\ erence location \ of the generated\ - GCode</p>\x0d\x0a<ul>\ -\x0d\x0a <li>Top-Left\ - location of the\ - material</li>\x0d\x0a\ - <li>Bottom-Lef\ -t location of th\ -e material</li>\x0d\ -\x0a <li>Bottom-Le\ -ft location of t\ + GCode</p>\x0a<ul>\x0a\ + <li>Top-Left l\ +ocation of the m\ +aterial</li>\x0a <\ +li>Bottom-Left l\ +ocation of the m\ +aterial</li>\x0a <\ +li>Bottom-Left l\ +ocation of the G\ +code area</li>\x0a \ + <li>Center of t\ he Gcode area</l\ -i>\x0d\x0a <li>Center\ - of the Gcode ar\ -ea</li>\x0d\x0a</ul>\x0d\x0a\ -<img src=\x22./pycu\ -t_gcode_conversi\ -on.png\x22 width=\x223\ -10px\x22> \x0d\x0a\x0d\x0a<p>No\ -te that these 4 \ -buttons act as r\ -adio buttons.</p\ ->\x0d\x0a\x0d\x0a<p>These fo\ -ur references po\ -ints set the XOf\ +i>\x0a</ul>\x0a<img sr\ +c=\x22./pycut_gcode\ +_conversion.png\x22\ + width=\x22310px\x22> \ +\x0a\x0a<p>Note that t\ +hese 4 buttons a\ +ct as radio butt\ +ons.</p>\x0a\x0a<p>The\ +se four referenc\ +es points set th\ +e XOffset and YO\ +ffset of the GCo\ +de\x0acalculation. \ +After a GCode ge\ +neration, it is \ +still possible t\ +o modify the\x0aXOf\ fset and YOffset\ - of the GCode\x0d\x0ac\ -alculation. Afte\ -r a GCode genera\ -tion, it is stil\ -l possible to mo\ -dify the\x0d\x0aXOffse\ -t and YOffset to\ - fit at best how\ - to user wants t\ -o have the origi\ -n be\x0d\x0alocated wi\ -th the help of t\ -he 2 spin boxes.\ - </p>\x0d\x0a\x0d\x0a<p>And \ -further:</p>\x0d\x0a<u\ -l>\x0d\x0a <li>Flip X\ -/Y </li>\x0d\x0a</ul>\x0d\ -\x0a\x0d\x0a<p>In the gen\ -erated G Code, X\ - and Y are switc\ -hed.This can be \ -helpfull, for\x0d\x0ae\ -xample in the ca\ -se your <strong>\ -CNC</strong> is \ -the \x22<strong>141\ -9</strong>\x22\x0d\x0amod\ -el (mine!) which\ - is not as large\ - as deep. So thi\ -s option allows \ -to carve\x0d\x0asometh\ -ing like 16x10 c\ -m without -painf\ -ully- rotating a\ -ll items in the \ -source\x0d\x0asvg.</p>\ -\x0d\x0a\x0d\x0a<p></p>\x0d\x0a\x0d\x0a<\ -p>In case of Bot\ -tom-Left locatio\ -n of the materia\ -l, the Y size of\ - the material\x0d\x0ai\ -s extracted form\ - the svg file: t\ -he svg \x22height\x22 \ -attribute.</p>\x0d\x0a\ -\x0d\x0a<h3 id=\x22P-04-0\ + to fit at best \ +how to user want\ +s to have the or\ +igin be\x0alocated \ +with the help of\ + the 2 spin boxe\ +s. </p>\x0a\x0a<p>And \ +further:</p>\x0a<ul\ +>\x0a <li>Flip X/Y\ + </li>\x0a</ul>\x0a\x0a<p\ +>In the generate\ +d G Code, X and \ +Y are switched.T\ +his can be helpf\ +ull, for\x0aexample\ + in the case you\ +r <strong>CNC</s\ +trong> is the \x22<\ +strong>1419</str\ +ong>\x22\x0amodel (min\ +e!) which is not\ + as large as dee\ +p. So this optio\ +n allows to carv\ +e\x0asomething like\ + 16x10 cm withou\ +t -painfully- ro\ +tating all items\ + in the source\x0as\ +vg.</p>\x0a\x0a<p></p>\ +\x0a\x0a<p>In case of \ +Bottom-Left loca\ +tion of the mate\ +rial, the Y size\ + of the material\ +\x0ais extracted fo\ +rm the svg file:\ + the svg \x22height\ +\x22 attribute.</p>\ +\x0a\x0a<h3 id=\x22P-04-0\ 7\x22>GCode Generat\ -ion</h3>\x0d\x0a\x0d\x0a<p>S\ -ome useful optio\ -ns can be set up\ -:</p>\x0d\x0a<ul>\x0d\x0a <\ -li>Return at ini\ -tial location at\ - end of the Job<\ -/li>\x0d\x0a <li>Spin\ -dle Start/Stop (\ -<strong>M3</stro\ -ng>/<strong>M5</\ -strong> codes)</\ -li>\x0d\x0a <li><stro\ -ng>M2</strong> c\ -ode</li>\x0d\x0a</ul>\x0d\ -\x0a\x0d\x0a<img src=\x22./p\ -ycut_gcode_gener\ -ation.png\x22 width\ -=\x22310px\x22>\x0d\x0a\x0d\x0a<!-\ -- --------------\ +ion</h3>\x0a\x0a<p>Som\ +e useful options\ + can be set up:<\ +/p>\x0a<ul>\x0a <li>R\ +eturn at initial\ + location at end\ + of the Job</li>\ +\x0a <li>Spindle S\ +tart/Stop (<stro\ +ng>M3</strong>/<\ +strong>M5</stron\ +g> codes)</li>\x0a \ + <li><strong>M2<\ +/strong> code</l\ +i>\x0a</ul>\x0a<img sr\ +c=\x22./pycut_gcode\ +_generation.png\x22\ + width=\x22310px\x22>\x0a\ +<!-- -----------\ ----------------\ ----------------\ ----------------\ ----------------\ ----------------\ -------------->\x0d\x0a\ -<!-- -----------\ ----------------\ +>\x0a<!-- ---------\ ----------------\ ----------------\ ----------------\ ----------------\ ----------------\ ->\x0d\x0a\x0d\x0a<p></p>\x0d\x0a\x0d\x0a\ -<h3>Create Opera\ -tions</h3>\x0d\x0a\x0d\x0a<p\ ->This is where t\ -he user defined \ -its cam operatio\ -ns, thus this is\ - where the\x0d\x0aacti\ -on takes place.<\ -/p>\x0d\x0a\x0d\x0a<img src=\ -\x22./pycut_ops.png\ -\x22 width=\x221170px\x22\ -> \x0d\x0a\x0d\x0a<p>First o\ -ne or more item(\ -s) have to be se\ -lected in the sv\ -gviewer, click o\ -n\x0d\x0a\x22Create Opera\ -tion\x22 and a defa\ -ult operation is\ - created. When m\ -ore than one ite\ -m\x0d\x0ahas been sele\ -cted, the user c\ -an perform logic\ -al operations on\ - this set of\x0d\x0ait\ -em</p>\x0d\x0a<ul>\x0d\x0a \ -<li>diff</li>\x0d\x0a \ - <li>intersect</\ -li>\x0d\x0a <li>union\ -</li>\x0d\x0a <li>xor\ -</li>\x0d\x0a</ul>\x0d\x0a\x0d\x0a\ -<p>When \x22enablin\ -g\x22 this op, the \ -resulting geomet\ -ry will be displ\ -ayed ion the\x0d\x0asv\ -gviewer</p>\x0d\x0a\x0d\x0a<\ -div class=\x22info\x22\ ->\x0d\x0a<p><strong>No\ -te:</strong>the \ -geometry is high\ -lighted in red. \ -the highlight\x0d\x0ac\ -olor can be setu\ -p in the setting\ -s dialog.</p>\x0d\x0a<\ -/div>\x0d\x0a\x0d\x0a<p>Then\ - the cam operati\ -on can be chosen\ -</p>\x0d\x0a<ul>\x0d\x0a <l\ -i>pocket - only \ -for closed shape\ -s</li>\x0d\x0a <li>in\ -side</li>\x0d\x0a <li\ ->outside</li>\x0d\x0a \ - <li>engrave</li\ ->\x0d\x0a <li>drill <\ +----------------\ +--> \x0a\x0a<p></p>\x0a\x0a<\ +h3>Create Operat\ +ions</h3>\x0a\x0a<p>Th\ +is is where the \ +user defined its\ + cam operations,\ + thus this is wh\ +ere the\x0aaction t\ +akes place.</p>\x0a\ +<img src=\x22./pycu\ +t_ops.png\x22 width\ +=\x221170px\x22> \x0a\x0a<p>\ +First one or mor\ +e item(s) have t\ +o be selected in\ + the svgviewer, \ +click on\x0a\x22Create\ + Operation\x22 and \ +a default operat\ +ion is created. \ +When more than o\ +ne item\x0ahas been\ + selected, the u\ +ser can perform \ +logical operatio\ +ns on this set o\ +f\x0aitem</p>\x0a<ul>\x0a\ + <li>diff</li>\x0a\ + <li>intersect<\ +/li>\x0a <li>union\ +</li>\x0a <li>xor<\ +/li>\x0a</ul>\x0a\x0a<p>W\ +hen \x22enabling\x22 t\ +his op, the resu\ +lting geometry w\ +ill be displayed\ + ion the\x0asvgview\ +er</p>\x0a\x0a<div cla\ +ss=\x22info\x22>\x0a<p><s\ +trong>Note:</str\ +ong>the geometry\ + is highlighted \ +in red. the high\ +light\x0acolor can \ +be setup in the \ +settings dialog.\ +</p>\x0a</div>\x0a\x0a<p>\ +Then the cam ope\ +ration can be ch\ +osen</p>\x0a<ul>\x0a \ +<li>pocket - onl\ +y for closed sha\ +pes</li>\x0a <li>i\ +nside</li>\x0a <li\ +>outside</li>\x0a \ +<li>engrave</li>\ +\x0a <li>drill <st\ +rong><span style\ +=\x22color:#0000ff\x22\ +>ONLY</span> <sp\ +an\x0a style=\x22co\ +lor:#0000ff\x22>for\ + circle shapes</\ +span></strong></\ +li>\x0a <li>peck <\ strong><span sty\ le=\x22color:#0000f\ -f\x22>ONLY</span> <\ -span\x0d\x0a style=\ -\x22color:#0000ff\x22>\ -for circle shape\ -s</span></strong\ -></li>\x0d\x0a <li>pe\ -ck <strong><span\ - style=\x22color:#0\ -000ff\x22>ONLY for \ -circle\x0d\x0a shap\ -e</span></strong\ -></li>\x0d\x0a</ul>\x0d\x0a\x0d\ -\x0a<p>For opened p\ -aths, the pocket\ -/drill/peck oper\ -ations are not a\ -vailable.</p>\x0d\x0a\x0d\ -\x0a<p><strong><spa\ -n style=\x22color:#\ -8000ff\x22>NEW</spa\ -n></strong>: for\ -\x0d\x0a<strong>circle\ -s</strong>, \x22<sp\ -an\x0d\x0astyle=\x22color\ -:#8000ff\x22><stron\ -g>drill</strong>\ -</span>\x22 and \x22<s\ -trong><span\x0d\x0asty\ -le=\x22color:#8000f\ -f\x22>peck</span></\ -strong>\x22 operati\ -ons are availabl\ -e. Infact,\x0d\x0afor \ -a pocket operati\ -on with a circle\ - of diameter sma\ -ller than the cu\ -tter\x0d\x0adiameter, \ -no tool path wou\ -ld be generated.\ -<strong>In case \ -of the</strong>\x0d\ +f\x22>ONLY for circ\ +le\x0a shape</sp\ +an></strong></li\ +>\x0a</ul>\x0a\x0a<p>For \ +opened paths, th\ +e pocket/drill/p\ +eck operations a\ +re not available\ +.</p>\x0a\x0a<p><stron\ +g><span style=\x22c\ +olor:#8000ff\x22>NE\ +W</span></strong\ +>: for\x0a<strong>c\ +ircles</strong>,\ + \x22<span\x0astyle=\x22c\ +olor:#8000ff\x22><s\ +trong>drill</str\ +ong></span>\x22 and\ + \x22<strong><span\x0a\ +style=\x22color:#80\ +00ff\x22>peck</span\ +></strong>\x22 oper\ +ations are avail\ +able. Infact,\x0afo\ +r a pocket opera\ +tion with a circ\ +le of diameter s\ +maller than the \ +cutter\x0adiameter,\ + no tool path wo\ +uld be generated\ +.<strong>In case\ + of the</strong>\ \x0a<strong>circle \ diameter is smal\ ler or equal tha\ n the cutter dia\ -meter</strong>,\x0d\ -\x0ain order to hav\ -e toolpath, \x22<st\ -rong><span\x0d\x0astyl\ -e=\x22color:#8000ff\ -\x22>drill</span></\ -strong>\x22 or \x22<st\ -rong><span\x0d\x0astyl\ -e=\x22color:#8000ff\ -\x22>peck</span></s\ -trong>\x22 is the w\ -ay to go. </p>\x0d\x0a\ -\x0d\x0a<p>In order to\ - generate G code\ -, enable one or \ -many operations \ -and click on\x0d\x0a\x22G\ -enerate G code\x22.\ - <strong>PyCut</\ -strong> will try\ - to do its best.\ -.. The\x0d\x0aresultin\ -g G code is disp\ -layed in the G c\ -ode viewer and G\ - code simulator.\ -</p>\x0d\x0a\x0d\x0a<p>Final\ -ly, clicking on \ -\x22Save G code\x22 wi\ -ll produce a val\ -id G code file.\x0d\ -\x0a<strong>Candle<\ -/strong> can be \ -used to send the\ - G code to your \ -machine. Have\x0d\x0af\ -un...</p>\x0d\x0a\x0d\x0a<p>\ -</p>\x0d\x0a\x0d\x0a<h3 id=\x22\ -P-05\x22>Appendix-1\ -: SVG Editors</h\ -3>\x0d\x0a\x0d\x0a<p>It seem\ -s there are plen\ -ty of free SVG e\ -ditors around th\ -ere. Well, let m\ -e\x0d\x0ashare my opin\ -ion about a few \ -of them...</p>\x0d\x0a\ -\x0d\x0a<p>I will simp\ -ly try <strong>t\ -o edit and save \ -a closed path</s\ -trong> composed\x0d\ -\x0aof lines, arcs \ -and bezier curve\ -s similar to wha\ -t I've edited pe\ -r hand: about 20\ -\x0d\x0asegments repre\ -senting my workp\ -iece, with mixed\ - straight lines,\ - arcs and bezier\ -\x0d\x0acurves.</p>\x0d\x0a\x0d\ -\x0a<p><strong>I kn\ -ow that every ap\ -p has its own le\ -arning curve</st\ -rong>, but I try\ -\x0d\x0ause the apps w\ -ithout investing\ - to much time. T\ -his means, I act\ - as a very basic\ -\x0d\x0auser. If I do \ -not succeed, thi\ -s is due in part\ - to my inexperie\ -nce, but also in\ -\x0d\x0apart to the di\ -fficulty of use \ -of the app.</p>\x0d\ -\x0a\x0d\x0a<h3>Free soft\ -ware</h3>\x0d\x0a\x0d\x0a<h4\ ->Inkscape</h4>\x0d\x0a\ -\x0d\x0a<p>To me much \ -too complicated.\ - I \x22hate\x22 the fa\ -ct that the circ\ -les are given\x0d\x0af\ -rom their \x22bound\ -ing box\x22, not fr\ -om the center wi\ -th radius (ok it\ - is possible,\x0d\x0ab\ -ut I have always\ - to figure out h\ -ow). <strong>Edi\ -ting paths is fa\ -r to\x0d\x0acomplicate\ -d</strong> (to m\ -e) and thus too \ -difficult. The s\ -aved SVG data is\ - full\x0d\x0aof <stron\ -g>inkscape/sodip\ -odi namespaces</\ -strong> stuff, w\ -hich I dislike a\ - lot\x0d\x0ain a SVG f\ -ile. I would rat\ -her prefer a raw\ - SVG with only t\ -he minimal and\x0d\x0a\ -certainly not al\ -l these extra na\ -mespace stuff. R\ -emoving per hand\ - these extra\x0d\x0ast\ -uff destroy the \ -Inkscape project\ - settings. </p>\x0d\ -\x0a\x0d\x0a<p><strong>Ye\ -appy</strong>! T\ -o obtain a SVG d\ -ata free of sodi\ -podi/inkscape\x0d\x0an\ -amespace stuff, \ -you have to \x22exp\ -ort\x22 your SVG da\ -ta as SVG!</p>\x0d\x0a\ -\x0d\x0a<p>Editing poi\ -nts coordinates \ -\x22per hand\x22 is ne\ -arly impossible \ -as the\x0d\x0acoordina\ -tes are only acc\ -essible from the\ - \x22d\x22 string, whi\ -ch is not really\ - human\x0d\x0areadable\ +meter</strong>,\x0a\ +in order to have\ + toolpath, \x22<str\ +ong><span\x0astyle=\ +\x22color:#8000ff\x22>\ +drill</span></st\ +rong>\x22 or \x22<stro\ +ng><span\x0astyle=\x22\ +color:#8000ff\x22>p\ +eck</span></stro\ +ng>\x22 is the way \ +to go. </p>\x0a\x0a<p>\ +In order to gene\ +rate G code, ena\ +ble one or many \ +operations and c\ +lick on\x0a\x22Generat\ +e G code\x22. <stro\ +ng>PyCut</strong\ +> will try to do\ + its best... The\ +\x0aresulting G cod\ +e is displayed i\ +n the G code vie\ +wer and G code s\ +imulator.</p>\x0a\x0a<\ +p>Finally, click\ +ing on \x22Save G c\ +ode\x22 will produc\ +e a valid G code\ + file.\x0a<strong>C\ +andle</strong> c\ +an be used to se\ +nd the G code to\ + your machine. H\ +ave\x0afun...</p>\x0a\x0a\ +<p></p>\x0a\x0a<h3 id=\ +\x22P-05\x22>Appendix-\ +1: SVG Editors</\ +h3>\x0a\x0a<p>It seems\ + there are plent\ +y of free SVG ed\ +itors around the\ +re. Well, let me\ +\x0ashare my opinio\ +n about a few of\ + them...</p>\x0a\x0a<p\ +>I will simply t\ +ry <strong>to ed\ +it and save a cl\ +osed path</stron\ +g> composed\x0aof l\ +ines, arcs and b\ +ezier curves sim\ +ilar to what I'v\ +e edited per han\ +d: about 20\x0asegm\ +ents representin\ +g my workpiece, \ +with mixed strai\ +ght lines, arcs \ +and bezier\x0acurve\ +s.</p>\x0a\x0a<p><stro\ +ng>I know that e\ +very app has its\ + own learning cu\ +rve</strong>, bu\ +t I try\x0ause the \ +apps without inv\ +esting to much t\ +ime. This means,\ + I act as a very\ + basic\x0auser. If \ +I do not succeed\ +, this is due in\ + part to my inex\ +perience, but al\ +so in\x0apart to th\ +e difficulty of \ +use of the app.<\ +/p>\x0a\x0a<h3>Free so\ +ftware</h3>\x0a\x0a<h4\ +>Inkscape</h4>\x0a\x0a\ +<p>To me much to\ +o complicated. I\ + \x22hate\x22 the fact\ + that the circle\ +s are given\x0afrom\ + their \x22bounding\ + box\x22, not from \ +the center with \ +radius (ok it is\ + possible,\x0abut I\ + have always to \ +figure out how).\ + <strong>Editing\ + paths is far to\ +\x0acomplicated</st\ +rong> (to me) an\ +d thus too diffi\ +cult. The saved \ +SVG data is full\ +\x0aof <strong>inks\ +cape/sodipodi na\ +mespaces</strong\ +> stuff, which I\ + dislike a lot\x0ai\ +n a SVG file. I \ +would rather pre\ +fer a raw SVG wi\ +th only the mini\ +mal and\x0acertainl\ +y not all these \ +extra namespace \ +stuff. Removing \ +per hand these e\ +xtra\x0astuff destr\ +oy the Inkscape \ +project settings\ +. </p>\x0a\x0a<p><stro\ +ng>Yeappy</stron\ +g>! To obtain a \ +SVG data free of\ + sodipodi/inksca\ +pe\x0anamespace stu\ +ff, you have to \ +\x22export\x22 your SV\ +G data as SVG!</\ +p>\x0a\x0a<p>Editing p\ +oints coordinate\ +s \x22per hand\x22 is \ +nearly impossibl\ +e as the\x0acoordin\ +ates are only ac\ +cessible from th\ +e \x22d\x22 string, wh\ +ich is not reall\ +y human\x0areadable\ . Here is an exa\ mple of a polyli\ ne with 8 points\ -:</p>\x0d\x0a<pre><cod\ -e>M 5.9999998,35\ -.999999 10,33 l \ -5,2.999999 -1,-4\ - h 7 V 41 H 12 L\ - 8.9999999,38.99\ -9998</code></pre\ ->\x0d\x0a\x0d\x0a<p>Note how\ - absolute and re\ -lative keywords \ -are given in the\ - path. Question:\ -\x0d\x0awhat are the c\ -oordinates of th\ -e fifth point?</\ -p>\x0d\x0a\x0d\x0a<p>Concate\ -ning segments to\ - form a single p\ -ath doesn't even\ - work as expecte\ -d.\x0d\x0aThe simple t\ -ask consisting o\ -f concatenating \ -a polyline and a\ - bezier curve -i\ -n\x0d\x0athis order- (\ -which are joined\ -) seems not to w\ -ork! There is th\ -e\x0d\x0a\x22<strong>comb\ -ine</strong>\x22 co\ -mmand, but the r\ -esult is a singl\ -e path (ok... )\x0d\ -\x0acontaining 2 su\ -bpaths (with \x22M\x22\ -), which is not \ -Ok, the first on\ -e beeing the\x0d\x0abe\ -zier curve and t\ -he second one be\ -eing the polylin\ -e, this means in\ - reversed\x0d\x0aorder\ -. Sure, with \x22M\x22\ -s everywhere, th\ -e ordering is no\ -t that important\ -, is it!\x0d\x0a<stron\ -g>A very desapoi\ -nting implementa\ -tion from Inksca\ -pe I would say</\ -strong>.\x0d\x0aConclu\ -sion: <strong>un\ -usable if you wa\ -nt to generate c\ -omplex paths.</s\ -trong></p>\x0d\x0a\x0d\x0a<p\ +:</p>\x0a<pre><code\ +>M 5.9999998,35.\ +999999 10,33 l 5\ +,2.999999 -1,-4 \ +h 7 V 41 H 12 L \ +8.9999999,38.999\ +998</code></pre>\ +\x0a\x0a<p>Note how ab\ +solute and relat\ +ive keywords are\ + given in the pa\ +th. Question:\x0awh\ +at are the coord\ +inates of the fi\ +fth point?</p>\x0a\x0a\ +<p>Concatening s\ +egments to form \ +a single path do\ +esn't even work \ +as expected.\x0aThe\ + simple task con\ +sisting of conca\ +tenating a polyl\ +ine and a bezier\ + curve -in\x0athis \ +order- (which ar\ +e joined) seems \ +not to work! The\ +re is the\x0a\x22<stro\ +ng>combine</stro\ +ng>\x22 command, bu\ +t the result is \ +a single path (o\ +k... )\x0acontainin\ +g 2 subpaths (wi\ +th \x22M\x22), which i\ +s not Ok, the fi\ +rst one beeing t\ +he\x0abezier curve \ +and the second o\ +ne beeing the po\ +lyline, this mea\ +ns in reversed\x0ao\ +rder. Sure, with\ + \x22M\x22s everywhere\ +, the ordering i\ +s not that impor\ +tant, is it!\x0a<st\ +rong>A very desa\ +pointing impleme\ +ntation from Ink\ +scape I would sa\ +y</strong>.\x0aConc\ +lusion: <strong>\ +unusable if you \ +want to generate\ + complex paths.<\ +/strong></p>\x0a\x0a<p\ >PS: There is th\ e \x22Draw Bezier a\ nd straight line\ tool\x22 with mode\ - \x22Create\x0d\x0aregula\ -r Bezier path\x22 b\ -ut after many ma\ -ny hours of tria\ -l (despite YouTu\ -be\x0d\x0atutorials) I\ - did not succeed\ - to use it prope\ -rly. Is it just \ -me ? With it you\ -\x0d\x0acannot anyway \ -mix your path wi\ -th an arc curve.\ -</p>\x0d\x0a\x0d\x0a<h4>QCAD\ -</h4>\x0d\x0a\x0d\x0a<p>It r\ -eads/writes <str\ -ong>dxf</strong>\ - files, can expo\ -rt them as SVG.\x0d\ -\x0aUnfortunately t\ -he <strong>SVG e\ -xport</strong> c\ -omes with extra \ -rubbish for the\x0d\ -\x0atrial version (\ -nice!). Forget t\ -he free version.\ - <strong>Trial v\ -ersion allows\x0d\x0ay\ -ou to test it ab\ -out 15 min, then\ - it closes itsel\ -f</strong> (you \ -can restart).\x0d\x0aS\ -o in fifteen min\ -utes I could obs\ -erve that editin\ -g polylines is p\ -ossible, as\x0d\x0awel\ -l as Arcs and Cu\ -bic Bezier curve\ -s (did not find \ -quadratic bezier\ - curves).\x0d\x0aThese\ - Cubic Bezier cu\ -rves are exporte\ -d right in the S\ -VG export. Unfor\ -tunately\x0d\x0a(again\ -), when concaten\ -ing lines/polyli\ -nes with these c\ -ubic bezier curv\ -es in\x0d\x0aorder to \ -form a whole pat\ -h, they are tran\ -sformed into Arc\ -s (why ?) or Lin\ -es\x0d\x0a(why?), and \ + \x22Create\x0aregular\ + Bezier path\x22 bu\ +t after many man\ +y hours of trial\ + (despite YouTub\ +e\x0atutorials) I d\ +id not succeed t\ +o use it properl\ +y. Is it just me\ + ? With it you\x0ac\ +annot anyway mix\ + your path with \ +an arc curve.</p\ +>\x0a\x0a<h4>QCAD</h4>\ +\x0a\x0a<p>It reads/wr\ +ites <strong>dxf\ +</strong> files,\ + can export them\ + as SVG.\x0aUnfortu\ +nately the <stro\ +ng>SVG export</s\ +trong> comes wit\ +h extra rubbish \ +for the\x0atrial ve\ +rsion (nice!). F\ +orget the free v\ +ersion. <strong>\ +Trial version al\ +lows\x0ayou to test\ + it about 15 min\ +, then it closes\ + itself</strong>\ + (you can restar\ +t).\x0aSo in fiftee\ +n minutes I coul\ +d observe that e\ +diting polylines\ + is possible, as\ +\x0awell as Arcs an\ +d Cubic Bezier c\ +urves (did not f\ +ind quadratic be\ +zier curves).\x0aTh\ +ese Cubic Bezier\ + curves are expo\ +rted right in th\ +e SVG export. Un\ +fortunately\x0a(aga\ +in), when concat\ +ening lines/poly\ +lines with these\ + cubic bezier cu\ +rves in\x0aorder to\ + form a whole pa\ +th, they are tra\ +nsformed into Ar\ +cs (why ?) or Li\ +nes\x0a(why?), and \ so the SVG expor\ t. Conclusion: <\ strong>unusable \ and very unfrien\ -dly\x0d\x0afor users w\ -illing to test t\ -he quality of QC\ -AD. </strong>Wel\ -l,\x0d\x0a<strong>QDAC\ -</strong> costs \ -only <strong>38\xe2\ -\x82\xac</strong>, not\ - that much, but\x0d\ -\x0areally testing \ -it before buying\ - is possible but\ - not very practi\ -cable.</p>\x0d\x0a\x0d\x0a<h\ -4>LibreCAD <span\ - style=\x22color:#0\ -08000\x22>****GOOD*\ -***</span></h4>\x0d\ -\x0a\x0d\x0a<p>It is (was\ -) a fork of QCAD\ - (2011). It look\ -s a lot like QCA\ -D, but the (my)\x0d\ -\x0afirst feeling i\ -s that the user \ -interface seems \ -better. <strong>\ -The SVG export\x0d\x0a\ -is exactly what \ -one would expect\ - (well , nearly)\ -</strong>. There\ - is minimal\x0d\x0aext\ -ra LibreCAD name\ -space stuff in t\ -he output. Do no\ -t know yet how t\ -o assign ids\x0d\x0ato\ - the entities (b\ -ad). You only ha\ -ve to take care \ -that in the SVG \ -format y = 0\x0d\x0ais\ - the top of the \ -drawing, so coor\ -dinates in the S\ -VG file are inve\ -rted from\x0d\x0acoord\ -inates in the ap\ -p (which is norm\ -al). The y = 0 c\ -orrespond to the\ - highest\x0d\x0acoordi\ -nate of your ite\ -ms in the canvas\ - (Note: in <stro\ -ng>QCAD</strong>\ - the\x0d\x0acoordinate\ -s are the same a\ -nd there is a gl\ -obal svg transfo\ -rm=\x22scale(1,-1)\x22\ -. The\x0d\x0aviewBox i\ +dly\x0afor users wi\ +lling to test th\ +e quality of QCA\ +D. </strong>Well\ +,\x0a<strong>QDAC</\ +strong> costs on\ +ly <strong>38\xe2\x82\xac\ +</strong>, not t\ +hat much, but\x0are\ +ally testing it \ +before buying is\ + possible but no\ +t very practicab\ +le.</p>\x0a\x0a<h4>Lib\ +reCAD <span styl\ +e=\x22color:#008000\ +\x22>****GOOD****</\ +span></h4>\x0a\x0a<p>I\ +t is (was) a for\ +k of QCAD (2011)\ +. It looks a lot\ + like QCAD, but \ +the (my)\x0afirst f\ +eeling is that t\ +he user interfac\ +e seems better. \ +<strong>The SVG \ +export\x0ais exactl\ +y what one would\ + expect (well , \ +nearly)</strong>\ +. There is minim\ +al\x0aextra LibreCA\ +D namespace stuf\ +f in the output.\ + Do not know yet\ + how to assign i\ +ds\x0ato the entiti\ +es (bad). You on\ +ly have to take \ +care that in the\ + SVG format y = \ +0\x0ais the top of \ +the drawing, so \ +coordinates in t\ +he SVG file are \ +inverted from\x0aco\ +ordinates in the\ + app (which is n\ +ormal). The y = \ +0 correspond to \ +the highest\x0acoor\ +dinate of your i\ +tems in the canv\ +as (Note: in <st\ +rong>QCAD</stron\ +g> the\x0acoordinat\ +es are the same \ +and there is a g\ +lobal svg transf\ +orm=\x22scale(1,-1)\ +\x22. The\x0aviewBox i\ s calculated acc\ ordingly. It wou\ ld be nice to ha\ ve this option i\ -n\x0d\x0a<strong>Libre\ -CAD</strong>).</\ -p>\x0d\x0a\x0d\x0a<p><strong\ ->Splines</strong\ -> <strong>throug\ -h</strong> <stro\ -ng>3 points\x0d\x0acor\ -respond to bezie\ -r quadratic curv\ -es</strong>, whi\ -le <strong>splin\ -es through 4\x0d\x0aor\ - more points are\ - not cubic bezie\ -r curves but onl\ -y sequence of qu\ -adratic\x0d\x0acurves<\ -/strong> (it see\ -ms possible! is \ -it ? they really\ - look to be smoo\ -th of\x0d\x0aorder 3!)\ -.</p>\x0d\x0a\x0d\x0a<p>In t\ -he GUI, the midd\ -le point of the \ -curve is entered\ -, not the \x22bezie\ -r\x0d\x0acontrol point\ -\x22. <strong>It wo\ -uld be nice if o\ -ne could enter t\ -he quadratic\x0d\x0abe\ -zier curve with \ -its start/end po\ -ints and its con\ -trol point</stro\ -ng>. There is\x0d\x0au\ -nfortunately no \ +n\x0a<strong>LibreC\ +AD</strong>).</p\ +>\x0a\x0a<p><strong>Sp\ +lines</strong> <\ +strong>through</\ +strong> <strong>\ +3 points\x0acorresp\ +ond to bezier qu\ +adratic curves</\ +strong>, while <\ +strong>splines t\ +hrough 4\x0aor more\ + points are not \ cubic bezier cur\ -ves. <strong>It \ -would be nice if\ - one could\x0d\x0aente\ -r the cubic bezi\ -er curve with it\ -s start/end poin\ -ts and its two c\ -ontrol\x0d\x0apoints</\ -strong></p>\x0d\x0a\x0d\x0a<\ +ves but only seq\ +uence of quadrat\ +ic\x0acurves</stron\ +g> (it seems pos\ +sible! is it ? t\ +hey really look \ +to be smooth of\x0a\ +order 3!).</p>\x0a\x0a\ +<p>In the GUI, t\ +he middle point \ +of the curve is \ +entered, not the\ + \x22bezier\x0acontrol\ + point\x22. <strong\ +>It would be nic\ +e if one could e\ +nter the quadrat\ +ic\x0abezier curve \ +with its start/e\ +nd points and it\ +s control point<\ +/strong>. There \ +is\x0aunfortunately\ + no cubic bezier\ + curves. <strong\ +>It would be nic\ +e if one could\x0ae\ +nter the cubic b\ +ezier curve with\ + its start/end p\ +oints and its tw\ +o control\x0apoints\ +</strong></p>\x0a\x0a<\ p><strong>Yeaahh\ ! There is anoth\ er splines butto\ n (strange!) whe\ -re it is\x0d\x0apossib\ -le to indicate w\ -hich degree (1, \ -2 or 3) the spli\ -ne has to be. An\ -d for 2\x0d\x0aand 3 t\ -hese are bezier \ -quadratic or cub\ -ic curves with c\ -ontrol points en\ -tered\x0d\x0afrom the \ -UI.</strong> Set\ -ting for the deg\ -ree is in the ma\ -in menu bar (thi\ -s is\x0d\x0aLibreCAD c\ -oncept, but not \ -so straight to b\ -e seen if one no\ -t knows).</p>\x0d\x0a\x0d\ -\x0a<p>Editing poly\ -lines/arcs/quad \ -bezier and conca\ -tenate them toge\ -ther\x0d\x0a(\x22<strong>\ -create polyline \ -from existing se\ -gments</strong>\x22\ -) is excellent,\x0d\ -\x0a(<strong>SVG ou\ -tput is a single\ - <path> en\ -tity</strong>) b\ -ut there is here\ -\x0d\x0aa bug: one can\ -not concatenate \ -polylines/arcs w\ -ith beziers/spli\ -nes. </p>\x0d\x0a\x0d\x0a<p>\ -Snap stuff is pe\ -rfect, with many\ - snap options.</\ -p>\x0d\x0a\x0d\x0a<p><strong\ ->So this is a re\ -al pity that Lib\ -reCAD does not p\ -erform the\x0d\x0aconc\ -atenation of lin\ -es/arcs with bez\ -iers/splines int\ -o a single SVG p\ -ath, but it\x0d\x0ais \ -fixable per hand\ - in the output.<\ -/strong></p>\x0d\x0a\x0d\x0a\ -<p>Conclusion: <\ -strong><span sty\ -le=\x22color:#00800\ -0\x22>A good SVG \x22p\ -ath\x22 generator/e\ -xporter\x0d\x0athat is\ - unfortunately n\ -ot completely fi\ -nished.</span></\ -strong></p>\x0d\x0a\x0d\x0a<\ -h4>SolveSpace <s\ -pan style=\x22color\ -:#ff00ff\x22>****BE\ -ST****</strong><\ -/span></h4>\x0d\x0a\x0d\x0a<\ -p>Ever heard of \ -it? A parametric\ - system as known\ - from the 3D mod\ -ellers.\x0d\x0a<strong\ +re it is\x0apossibl\ +e to indicate wh\ +ich degree (1, 2\ + or 3) the splin\ +e has to be. And\ + for 2\x0aand 3 the\ +se are bezier qu\ +adratic or cubic\ + curves with con\ +trol points ente\ +red\x0afrom the UI.\ +</strong> Settin\ +g for the degree\ + is in the main \ +menu bar (this i\ +s\x0aLibreCAD conce\ +pt, but not so s\ +traight to be se\ +en if one not kn\ +ows).</p>\x0a\x0a<p>Ed\ +iting polylines/\ +arcs/quad bezier\ + and concatenate\ + them together\x0a(\ +\x22<strong>create \ +polyline from ex\ +isting segments<\ +/strong>\x22) is ex\ +cellent,\x0a(<stron\ +g>SVG output is \ +a single <pat\ +h> entity</st\ +rong>) but there\ + is here\x0aa bug: \ +one cannot conca\ +tenate polylines\ +/arcs with bezie\ +rs/splines. </p>\ +\x0a\x0a<p>Snap stuff \ +is perfect, with\ + many snap optio\ +ns.</p>\x0a\x0a<p><str\ +ong>So this is a\ + real pity that \ +LibreCAD does no\ +t perform the\x0aco\ +ncatenation of l\ +ines/arcs with b\ +eziers/splines i\ +nto a single SVG\ + path, but it\x0ais\ + fixable per han\ +d in the output.\ +</strong></p>\x0a\x0a<\ +p>Conclusion: <s\ +trong><span styl\ +e=\x22color:#008000\ +\x22>A good SVG \x22pa\ +th\x22\x0agenerator/ex\ +porter that is u\ +nfortunately not\ + completely\x0afini\ +shed.</span></st\ +rong></p>\x0a\x0a<h4>S\ +olveSpace <span \ +style=\x22color:#ff\ +00ff\x22>****BEST**\ +**</span></h4>\x0a\x0a\ +<p>Ever heard of\ + it? A parametri\ +c system as know\ +n from the 3D mo\ +dellers.\x0a<strong\ >Incredible!</st\ rong> The GUI lo\ oks like from th\ e beginning of t\ -he '80s,\x0d\x0abut <s\ -trong><span styl\ +he '80s,\x0abut <st\ +rong><span style\ +=\x22color:#008000\x22\ +>usability/featu\ +res more than\x0ato\ +p</span></strong\ +>.</p>\x0a\x0a<p><stro\ +ng style=\x22color:\ +#008000\x22>SVG exp\ +ort perfect (wel\ +l, nearly\x0aperfec\ +t)</strong> . Th\ +e construction c\ +onstraints can a\ +lso be exported,\ + so there\x0aare a \ +lot of \x22paths\x22 i\ +n the svg export\ +, even if you ha\ +ve drawn only 1 \ +path.\x0aUnfortunat\ +ely, you cannot \ +give your paths \ +some ids. It wou\ +ld be nice if th\ +ese\x0a\x22contraints\x22\ + paths could be \ +grouped into the\ +ir own group in \ +order to isolate\ +d\x0athem from the \ +real paths. Ther\ +e are only cubic\ + bezier curves, \ +quadratic bezier\ +\x0acurves are unfo\ +rtunately missin\ +g (not sure). Th\ +e SVG closed pat\ +h \x22Z\x22 is also\x0ami\ +ssing (should su\ +bmit a patch!).<\ +/p>\x0a\x0a<p>Conclusi\ +on: <strong styl\ e=\x22color:#008000\ -\x22>usability/feat\ -ures more than\x0d\x0a\ -top</span></stro\ -ng>.</p>\x0d\x0a\x0d\x0a<p><\ -strong style=\x22co\ -lor:#008000\x22>SVG\ - export perfect \ -(well, nearly\x0d\x0ap\ -erfect)</strong>\ - . The construct\ -ion constraints \ -can also be expo\ -rted, so there\x0d\x0a\ -are a lot of \x22pa\ -ths\x22 in the svg \ -export, even if \ -you have drawn o\ -nly 1 path.\x0d\x0aUnf\ -ortunately, you \ -cannot give your\ - paths some ids.\ - It would be nic\ -e if these\x0d\x0a\x22con\ -traints\x22 paths c\ -ould be grouped \ -into their own g\ -roup in order to\ - isolated\x0d\x0athem \ -from the real pa\ -ths. There are o\ -nly cubic bezier\ - curves, quadrat\ -ic bezier\x0d\x0acurve\ -s are unfortunat\ -ely missing (not\ - sure). The SVG \ -closed path \x22Z\x22 \ -is also\x0d\x0amissing\ - (should submit \ -a patch!).</p>\x0d\x0a\ -\x0d\x0a<p>Conclusion:\ - <strong style=\x22\ -color:#008000\x22>T\ -he best SVG \x22pat\ -h\x22 generator (an\ -d\x0d\x0apath \x22constru\ -ctor\x22) I have fo\ -und so far.</str\ -ong></p>\x0d\x0a\x0d\x0a<h4>\ -XFig</h4>\x0d\x0a\x0d\x0a<p>\ -My beloved drawi\ -ng editor during\ - my youth! Compl\ -etely outdated, \ -but still\x0d\x0athe b\ -est! Unfortunate\ -ly the SVG expor\ -t is deficient. \ -There are Bezier\ - curves\x0d\x0a(really\ -?) i.e. splines \ -with control poi\ -nts (it looks li\ -ke Bezier) but t\ -he SVG\x0d\x0aexport o\ -utputs them as p\ -olylines. <stron\ -g>Conclusion: un\ -usable</strong><\ -/p>\x0d\x0a\x0d\x0a<p><stron\ -g>Online editors\ -:</strong></p>\x0d\x0a\ -\x0d\x0a<p>There are p\ -lenty of them, b\ -ut they all seem\ - to be meant for\ - painting, not\x0d\x0a\ -for CAD (a littl\ -e like Inkscape)\ -. Please correct\ - me if I am wron\ -g.</p>\x0d\x0a\x0d\x0a<h3>No\ -n-free software<\ -/h3>\x0d\x0a\x0d\x0a<h4>Desi\ -gnCAD</h4>\x0d\x0a\x0d\x0a<p\ +\x22>The best SVG \x22\ +path\x22 generator \ +(and\x0apath \x22const\ +ructor\x22) I have \ +found so far.</s\ +trong></p>\x0a\x0a<h4>\ +XFig</h4>\x0a\x0a<p>My\ + beloved drawing\ + editor during m\ +y youth! Complet\ +ely outdated, bu\ +t still\x0athe best\ +! Unfortunately \ +the SVG export i\ +s deficient. The\ +re are Bezier cu\ +rves\x0a(really?) i\ +.e. splines with\ + control points \ +(it looks like B\ +ezier) but the S\ +VG\x0aexport output\ +s them as polyli\ +nes. <strong>Con\ +clusion: unusabl\ +e</strong></p>\x0a\x0a\ +<p><strong>Onlin\ +e editors:</stro\ +ng></p>\x0a\x0a<p>Ther\ +e are plenty of \ +them, but they a\ +ll seem to be me\ +ant for painting\ +, not\x0afor CAD (a\ + little like Ink\ +scape). Please c\ +orrect me if I a\ +m wrong.</p>\x0a\x0a<h\ +3>Non-free softw\ +are</h3>\x0a\x0a<h4>De\ +signCAD</h4>\x0a\x0a<p\ >The free versio\ n has the same c\ apabilities as t\ he full version,\ - excepted the\x0d\x0ae\ -xports to other \ -formats. Bad!</p\ ->\x0d\x0a\x0d\x0a<h4>TurboCA\ -D</h4>\x0d\x0a\x0d\x0a<p>Onl\ -y a 15 days tria\ -l version - TO S\ -EE</p>\x0d\x0a\x0d\x0a<h4>So\ -lid Edge 2D Draf\ -ting (Siemens)</\ -h4>\x0d\x0a\x0d\x0a<p>The 3.\ -8 GB big app fro\ -m Siemens is <st\ -rong>free of cha\ -rge</strong>. It\ - is\x0d\x0aincredible \ -software. But It\ - seems there is \ -no SVG export at\ - all. \x22Schade\x22.<\ -/p>\x0d\x0a\x0d\x0a<h4>Draft\ -sight 2D (Dassau\ -lt)</h4>\x0d\x0a\x0d\x0a<p>O\ -nly a 30 days tr\ -ial version - TO\ - SEE. Oh my God!\ - There is this \x22\ -Power Tool\x22\x0d\x0anam\ -ed \x222D G-Code ge\ -nerator\x22! Forget\ - PyCutl! (or not\ -) . SVG export s\ -eems to be\x0d\x0amore\ + excepted the\x0aex\ +ports to other f\ +ormats. Bad!</p>\ +\x0a\x0a<h4>TurboCAD</\ +h4>\x0a\x0a<p>Only a 1\ +5 days trial ver\ +sion - TO SEE</p\ +>\x0a\x0a<h4>Solid Edg\ +e 2D Drafting (S\ +iemens)</h4>\x0a\x0a<p\ +>The 3.8 GB big \ +app from Siemens\ + is <strong>free\ + of charge</stro\ +ng>. It is\x0aincre\ +dible software. \ +But It seems the\ +re is no SVG exp\ +ort at all. \x22Sch\ +ade\x22.</p>\x0a\x0a<h4>D\ +raftsight 2D (Da\ +ssault)</h4>\x0a\x0a<p\ +>Only a 30 days \ +trial version - \ +TO SEE. Oh my Go\ +d! There is this\ + \x22Power Tool\x22\x0ana\ +med \x222D G-Code g\ +enerator\x22! Forge\ +t PyCutl! (or no\ +t) . SVG export \ +seems to be\x0amore\ meant as a pict\ ure for display \ only purpose.</p\ ->\x0d\x0a\x0d\x0a<h4>Fusion \ -360</h4>\x0d\x0a\x0d\x0a<p>T\ -he free version \ -is also incredib\ -le. But I did no\ -t try the SVG ex\ -port,\x0d\x0abecause I\ - gave up in the \ -meanwhile lookin\ -g for SVG editor\ -...</p>\x0d\x0a\x0d\x0a<h4>W\ -hat else?</h4>\x0d\x0a\ -\x0d\x0a<p>It is cumbe\ -rsome to try to \ -find a decent SV\ -G editor, or at \ -least a CAD\x0d\x0apro\ -gram with ease o\ -f use and decent\ - SVG export. <st\ -rong><span\x0d\x0astyl\ -e=\x22color:#008000\ -\x22>LibreCAD</span\ -></strong> would\ - be simply very \ -good if it\x0d\x0acoul\ -d support spline\ - \x22concatenation\x22\ - into a path (ke\ -eping dxf as inp\ -ut data\x0d\x0aalongsi\ -de svg as export\ - data is not a p\ -roblem). Does an\ -yone knows one? \ -(I mean,\x0d\x0aif he/\ -s<strong></stron\ -g>he **really** \ -tried it and can\ - recommand it).\x0d\ -\x0a<strong><span s\ -tyle=\x22color:#008\ -000\x22>Finally dis\ -covered SolveSpa\ -ce which is\x0d\x0asim\ +>\x0a\x0a<h4>Fusion 36\ +0</h4>\x0a\x0a<p>The f\ +ree version is a\ +lso incredible. \ +But I did not tr\ +y the SVG export\ +,\x0abecause I gave\ + up in the meanw\ +hile looking for\ + SVG editor...</\ +p>\x0a\x0a<h4>What els\ +e?</h4>\x0a\x0a<p>It i\ +s cumbersome to \ +try to find a de\ +cent SVG editor,\ + or at least a C\ +AD\x0aprogram with \ +ease of use and \ +decent SVG expor\ +t. <strong><span\ +\x0astyle=\x22color:#0\ +08000\x22>LibreCAD<\ +/span></strong> \ +would be simply \ +very good if it\x0a\ +could support sp\ +line \x22concatenat\ +ion\x22 into a path\ + (keeping dxf as\ + input data\x0aalon\ +gside svg as exp\ +ort data is not \ +a problem). Does\ + anyone knows on\ +e? (I mean,\x0aif h\ +e/s<strong></str\ +ong>he **really*\ +* tried it and c\ +an recommand it)\ +.\x0a<strong><span \ +style=\x22color:#00\ +8000\x22>Finally di\ +scovered SolveSp\ +ace which is\x0asim\ ply great.</span\ -></strong></p>\x0d\x0a\ -\x0d\x0a<h3>Conclusion\ -</h3>\x0d\x0a\x0d\x0a<p>The \ -fact that it is \ -so difficult to \ -find an acceptab\ -le SVG path \x22wri\ -ter\x22\x0d\x0aprogram ca\ -n only be due to\ - the SVG format \ -itself, which is\ - completely \x22use\ -r\x22 or\x0d\x0a\x22app\x22 un-\ -friendly. The pa\ +></strong></p>\x0a\x0a\ +<h3>Conclusion</\ +h3>\x0a\x0a<p>The fact\ + that it is so d\ +ifficult to find\ + an acceptable S\ +VG path \x22writer\x22\ +\x0aprogram let me \ +wonder why it is\ + the case. And w\ +hy does only\x0a<st\ +rong>SolveSpace<\ +/strong> perform\ + the task correc\ +tly? Why such a \ +capable App\x0alike\ + <strong>LibreCA\ +D</strong> fails\ + for this task? \ +Well in case of \ +LibreCAD,\x0ait can\ +not concatenate \ +splines with lin\ +es, so does the \ +export. Maybe be\ +cause the\x0asvg pa\ th definition is\ too complicated\ -. What is the po\ -int of\x0d\x0aallowing\ - paths with sub-\ -paths? maybe bec\ -ause the SVG for\ -mat completely i\ -gnores\x0d\x0athe conc\ -ept of \x22multilin\ -e\x22/\x22multipolygon\ -\x22 etc. Polygons \ -have no \x22interio\ -rs\x22 so\x0d\x0athey mus\ -t be defined as \ -such in a path c\ -omposed with 2 o\ -r more subpaths \ -for\x0d\x0athis purpos\ -e.</p>\x0d\x0a\x0d\x0a<p><st\ -rong>All in all \ -very desapointin\ -g, excepted <spa\ -n\x0d\x0astyle=\x22color:\ +, \x22nobody\x22 want \ +to parse it, and\ + thus in\x0areturn \ +is interested in\ + exporting it ri\ +ght. And the app\ +s which theoryti\ +cally\x0acould use \ +the SVG path as \ +import (as Solve\ +Space could -let\ +'s write a patch\ +!-)\x0aexport them \ +then correctly t\ +oo. But who else\ + would want to i\ +mport svg paths?\ +\x0aWhat do all the\ +se SVG apps? I c\ +annot test them \ +all! Concerning \ +svg paths, what\x0a\ +is the point of \ +allowing paths w\ +ith sub-paths? m\ +aybe because the\ + SVG format\x0acomp\ +letely ignores t\ +he concept of \x22m\ +ultiline\x22/\x22multi\ +polygon\x22 etc. Po\ +lygons have\x0ano \x22\ +interiors\x22 so th\ +ey must be defin\ +ed as such in a \ +path composed of\ + 2 or more\x0asubpa\ +ths for this pur\ +pose.</p>\x0a\x0a<p><s\ +trong>All in all\ + very desapointi\ +ng, excepted <sp\ +an\x0astyle=\x22color:\ #008000\x22>LibreCA\ D</span> and <sp\ -an\x0d\x0astyle=\x22color\ -:#008000\x22>SolveS\ -pace!</span></st\ -rong></p>\x0d\x0a\x0d\x0a<h4\ -><span style=\x22co\ -lor:#0000ff\x22>Per\ - hand</span></h4\ ->\x0d\x0a\x0d\x0a<p>Finally \ -my prefered meth\ -od! Per hand you\ - can also write \ -items in the\x0d\x0a<c\ -ode><def><\ -/code> section, \ -and use these it\ -ems repeatidly w\ -ith\x0d\x0atransformat\ -ions with the <c\ -ode><use><\ -/code> tag. My u\ -tility\x0d\x0a<strong>\ -svgresolver.py</\ -strong> then tra\ -nsforms this svg\ - file into anoth\ -er one,\x0d\x0ausable \ -for <strong>PyCu\ -t. Not the perfe\ -ct toolchain I a\ -dmit, but well m\ -y svgs\x0d\x0aare not \ -that complicated\ -</strong>. You h\ -ave to understan\ -d how to write a\ -n\x0d\x0aarc/bezier cu\ -rve per hand, it\ - is not that dif\ -ficult. And your\ -s svgs are then\x0d\ -\x0a\x22<strong>clean<\ -/strong>\x22.</p>\x0d\x0a\ -\x0d\x0a<p></p>\x0d\x0a\x0d\x0a<p>\ -</p>\x0d\x0a</div>\x0d\x0a</\ -body>\x0d\x0a</html>\x0d\x0a\ -\ +an\x0astyle=\x22color:\ +#008000\x22>SolveSp\ +ace!</span></str\ +ong></p>\x0a\x0a<h4><s\ +pan style=\x22color\ +:#0000ff\x22>Per ha\ +nd</span></h4>\x0a\x0a\ +<p>Finally my pr\ +efered method! P\ +er hand you can \ +also write items\ + in the\x0a<code>&l\ +t;def></code>\ + section, and us\ +e these items re\ +peatidly with\x0atr\ +ansformations wi\ +th the <code><\ +;use></code> \ +tag. My utility\x0a\ +<strong>svgresol\ +ver.py</strong> \ +then transforms \ +this svg file in\ +to another one,\x0a\ +usable for <stro\ +ng>PyCut. Not th\ +e perfect toolch\ +ain I admit, but\ + well my svgs\x0aar\ +e not that compl\ +icated</strong>.\ + You have to und\ +erstand how to w\ +rite an\x0aarc/bezi\ +er curve per han\ +d, it is not tha\ +t difficult. And\ + yours svgs are \ +then\x0a\x22<strong>cl\ +ean</strong>\x22.</\ +p>\x0a\x0a<p></p>\x0a\x0a<p>\ +</p>\x0a</div>\x0a</bo\ +dy>\x0a</html>\x0a\ \x00\x00\x03\x80\ <\ h3>PyCut version\ @@ -59586,51 +59601,51 @@ \x00\x00\x01}\x1b=\x82K\ \x00\x00\x05h\x00\x00\x00\x00\x00\x01\x00\x00f\xad\ \x00\x00\x01}\x1b=\x82[\ -\x00\x00\x0bx\x00\x01\x00\x00\x00\x01\x00\x0eU\x12\ +\x00\x00\x0bx\x00\x01\x00\x00\x00\x01\x00\x0eV\x0a\ \x00\x00\x01n\xe0\x1e\xf6\xe0\ \x00\x00\x05\xde\x00\x02\x00\x00\x00\x01\x00\x00\x00Q\ \x00\x00\x00\x00\x00\x00\x00\x00\ \x00\x00\x0a\x94\x00\x02\x00\x00\x00\x06\x00\x00\x00K\ \x00\x00\x00\x00\x00\x00\x00\x00\ \x00\x00\x08\xe2\x00\x00\x00\x00\x00\x01\x00\x02\xe2u\ -\x00\x00\x01\x87\xec\xdf\xda^\ -\x00\x00\x09\x02\x00\x00\x00\x00\x00\x01\x00\x03v\x18\ +\x00\x00\x01\x87\xf0\xdbG\xaf\ +\x00\x00\x09\x02\x00\x00\x00\x00\x00\x01\x00\x03x4\ \x00\x00\x01\x7f\x9eT\x0c\xa0\ \x00\x00\x08v\x00\x00\x00\x00\x00\x01\x00\x02o\x1a\ \x00\x00\x01\x87\x8f\xc0\xf5\xd9\ -\x00\x00\x0ad\x00\x00\x00\x00\x00\x01\x00\x06\xc8\xe7\ +\x00\x00\x0ad\x00\x00\x00\x00\x00\x01\x00\x06\xc9\xdf\ \x00\x00\x01\x7f\x18\xb9\x9eN\ -\x00\x00\x09f\x00\x00\x00\x00\x00\x01\x00\x04\x13\xe9\ -\x00\x00\x01\x87\xec\xdf\xda_\ -\x00\x00\x09<\x00\x00\x00\x00\x00\x01\x00\x03\xdd\xe6\ +\x00\x00\x09f\x00\x00\x00\x00\x00\x01\x00\x04\x16\x05\ +\x00\x00\x01\x87\xf0\xdbG\xaf\ +\x00\x00\x09<\x00\x00\x00\x00\x00\x01\x00\x03\xe0\x02\ \x00\x00\x01\x7f\x0el\xd4r\ \x00\x00\x08\xc0\x00\x00\x00\x00\x00\x01\x00\x02\x8f\xba\ \x00\x00\x01\x7f\x0el\xd4r\ -\x00\x00\x09\xd8\x00\x00\x00\x00\x00\x01\x00\x04\xec\xd3\ +\x00\x00\x09\xd8\x00\x00\x00\x00\x00\x01\x00\x04\xed\xcb\ \x00\x00\x01\x87\x0b\x01q\x8f\ -\x00\x00\x09\xf8\x00\x00\x00\x00\x00\x01\x00\x06@u\ +\x00\x00\x09\xf8\x00\x00\x00\x00\x00\x01\x00\x06Am\ \x00\x00\x01\x7f\x0el\xd4m\ -\x00\x00\x09\x9c\x00\x00\x00\x00\x00\x01\x00\x04\xa6\xbe\ +\x00\x00\x09\x9c\x00\x00\x00\x00\x00\x01\x00\x04\xa7\xb6\ \x00\x00\x01\x87\xf0\xc1`\x18\ -\x00\x00\x0a.\x00\x00\x00\x00\x00\x01\x00\x06\x84\xce\ +\x00\x00\x0a.\x00\x00\x00\x00\x00\x01\x00\x06\x85\xc6\ \x00\x00\x01\x7f\x0el\xd4n\ \x00\x00\x08<\x00\x00\x00\x00\x00\x01\x00\x02I\xb8\ \x00\x00\x01\x7f\x0el\xd4r\ -\x00\x00\x09\xb6\x00\x00\x00\x00\x00\x01\x00\x04\xaaB\ +\x00\x00\x09\xb6\x00\x00\x00\x00\x00\x01\x00\x04\xab:\ \x00\x00\x01\x7f\x0el\xd4s\ -\x00\x00\x0b(\x00\x00\x00\x00\x00\x01\x00\x06\xf2\x9b\ +\x00\x00\x0b(\x00\x00\x00\x00\x00\x01\x00\x06\xf3\x93\ \x00\x00\x01x\x92\x0f\xed\x09\ -\x00\x00\x0b\x02\x00\x00\x00\x00\x00\x01\x00\x06\xef\xe9\ +\x00\x00\x0b\x02\x00\x00\x00\x00\x00\x01\x00\x06\xf0\xe1\ \x00\x00\x01{\xd9\xc1Q(\ -\x00\x00\x0a\xda\x00\x00\x00\x00\x00\x01\x00\x06\xedE\ +\x00\x00\x0a\xda\x00\x00\x00\x00\x00\x01\x00\x06\xee=\ \x00\x00\x01{\xd9\xc1Q7\ -\x00\x00\x0a\xb8\x00\x00\x00\x00\x00\x01\x00\x06\xea\xd8\ +\x00\x00\x0a\xb8\x00\x00\x00\x00\x00\x01\x00\x06\xeb\xd0\ \x00\x00\x01{\xd9\xc1Q7\ -\x00\x00\x0b@\x00\x00\x00\x00\x00\x01\x00\x07\x03\x16\ +\x00\x00\x0b@\x00\x00\x00\x00\x00\x01\x00\x07\x04\x0e\ \x00\x00\x01{\xd9\xc1Q7\ -\x00\x00\x0a\xa0\x00\x00\x00\x00\x00\x01\x00\x06\xe4\x22\ +\x00\x00\x0a\xa0\x00\x00\x00\x00\x00\x01\x00\x06\xe5\x1a\ \x00\x00\x01~ \xc4\x8a\x80\ -\x00\x00\x0bb\x00\x00\x00\x00\x00\x01\x00\x07\x05\x95\ +\x00\x00\x0bb\x00\x00\x00\x00\x00\x01\x00\x07\x06\x8d\ \x00\x00\x01x\x92\x0f\xed\x12\ "