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Labels in DMS #13

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Labels in DMS #13

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35a6c47
Labels in DMS
daf111 Jan 14, 2019
6665c5d
degToDms function
daf111 Feb 28, 2019
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37 changes: 37 additions & 0 deletions L.SimpleGraticule.js
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@ L.SimpleGraticule = L.LayerGroup.extend({
showOriginLabel: true,
redraw: 'move',
hidden: false,
labelsFormat: 'dms', //Posibles options: decimal or dms
zoomIntervals : []
},

Expand Down Expand Up @@ -138,6 +139,10 @@ L.SimpleGraticule = L.LayerGroup.extend({
} else {
latLng = new L.LatLng(val, bounds.getWest());
}

if (this.options.labelsFormat == 'dms') {
val = this.degToDms(val);
}

return L.marker(latLng, {
interactive: false,
Expand All @@ -149,6 +154,38 @@ L.SimpleGraticule = L.LayerGroup.extend({
})
});
},

degToDms: function (deg) {
var multiplier = (deg < 0)?-1:1;
deg = Math.abs(deg);
var vecAux = new Array();
var d = Math.floor (deg);
var minfloat = (deg-d)*60;
var m = Math.floor(minfloat);
var secfloat = (minfloat-m)*60;
var s = Math.round(secfloat);
// After rounding, the seconds might become 60. These two
// if-tests are not necessary if no rounding is done.
if (s==60) {
m++;
s=0;
}
if (m==60) {
d++;
m=0;
}

vecAux[0] = d + "&deg;";
vecAux[1] = m + "'";
if (m < 10) {
vecAux[1] = "0" + m + "'";
}
vecAux[2] = s + "''";
if (s < 10) {
vecAux[2] = "0" + s + "''";
}
return vecAux.join('');
},

addOriginLabel: function() {
return L.marker([0, 0], {
Expand Down