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main.js
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main.js
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/// once all content has loaded, perform first solutions calc
$(document).ready(function() {
initializeRadioButtons();
// load parameters from url query string if represent
// otherwise use default parameters
url_components = document.URL.split("?")
if (url_components.length > 1) {
stored = atob(url_components[1]);
loadStateFromJSON(stored);
} else {
// var p = p_default;
// initial guess at unit system based on user browser language
if (navigator.language == "en-US") {
$("#units2").trigger("click");
} else {
$("#units1").trigger("click");
};
updateSliderDisplays();
updateSolutions();
}
});
function initializeRadioButtons(){
// handle firefox only edge case in which it stores the radio button
// states after page refresh
if (!$("#units1")[0].checked){
// if user did not have SI units selected before refresh
// need to manually change system of units
changeUnits();
}
// reset to same default values as other browsers
$("#units1").click();
$("#posture1").click();
$("#view1").click();
}
// save parameter state on button click
$( "#save" ).button().on( "click", function() {
// store fan data in parameters
p.fanTableData = tblFans.data().toArray();
localStorage.setItem('parameters', JSON.stringify(p));
alert("State saved in local browser session.")
});
// load parameter state from local session storage
$( "#load" ).button().on( "click", function() {
loadStateFromJSON(localStorage.getItem('parameters'));
});
$( "#share" ).button().on( "click", function() {
var b64p = btoa(JSON.stringify(p));
url_components = document.URL.split("?")
new_url = url_components[0] + "?" + b64p
copyToClipboard(new_url)
});
$( "#example" ).button().on( "click", function() {
b64 = "eyJjZWxsU2l6ZSI6WzQuNSwxNS4yNF0sIm1pbkFpclNwZWVkIjpbMC41LDRdLCJhdmdBaXJTcGVlZCI6WzAuNSw0XSwibWF4QWlyU3BlZWQiOlswLjUsNF0sInVuaWZvcm1pdHkiOlswLjEsMV0sIm51bUZhbnMiOlsxLDEwXSwiZGlhbWV0ZXIiOlsxLjIsNC4zXSwiYmxhZGVIZWlnaHQiOlsyLjEzMzYsMy4wNDhdLCJkaW1lbnNpb25sZXNzRGlhbWV0ZXIiOlswLjE1LDAuNV0sImxlbmd0aCI6MTMsIndpZHRoIjoxNiwiaGVpZ2h0IjozLjcsImFzcGVjdFJhdGlvIjoxLjUsIm1vdW50RGlzdGFuY2UiOjAuMiwiZmFuU3BlZWQiOjEwMCwiaXNTSXVuaXRzIjpmYWxzZSwiaXNTZWF0ZWQiOnRydWUsInZpZXciOjEsImZhblRhYmxlRGF0YSI6W1siRXhhbXBsZUEiLDMuOTk5OTk5OTk5OTk5OTk5LCI1NTMwIiwiTm8iXSxbIkV4YW1wbGVCIiw0LjMzMzMzMzMzMzMzMzMzMywiNDc4OSIsIk5vIl0sWyJFeGFtcGxlQyIsNC45OTk5OTk5OTk5OTk5OTksIjc5ODgiLCJObyJdLFsiRXhhbXBsZUQiLDQuOTk5OTk5OTk5OTk5OTk5LCI4MTE1IiwiTm8iXSxbIkV4YW1wbGVFIiw2Ljk5OTk5OTk5OTk5OTk5OSwiMTYzNzkiLCJObyJdLFsiRXhhbXBsZUYiLDcuOTk5OTk5OTk5OTk5OTk4LCIyOTI0MSIsIlllcyJdLFsiRXhhbXBsZUciLDcuOTk5OTk5OTk5OTk5OTk4LCIzNTExMCIsIlllcyJdLFsiRXhhbXBsZUgiLDkuOTk5OTk5OTk5OTk5OTk4LCI0NDMwNiIsIlllcyJdLFsiRXhhbXBsZUkiLDEzLjk5OTk5OTk5OTk5OTk5OCwiNTM2MjkiLCJZZXMiXV0sInNlbGVjdGVkU29sdXRpb25JRCI6Mywic2VsZWN0ZWRDYW5kaWRhdGVGYW5JRHMiOlszLDQsNiw3XSwiZGlzcGxheSI6eyJibGFkZXMiOjAsInhTcGFjaW5nIjowLjYsInlTcGFjaW5nIjoxLjIsInhPZmZzZXQiOjAsInlPZmZzZXQiOjB9fQ=="
loadStateFromJSON(atob(b64))
});
// prompt user to copy from prompt to clipboard
function copyToClipboard(text) {
window.prompt("Copy to clipboard: Ctrl+C (or Cmd+C on Apple/Mac)", text);
}
function loadStateFromJSON(storedJSON){
//handle case where saved radio button states don't match current display
if (JSON.parse(storedJSON).view == 3){
$("#view3").trigger("click");
} else if (JSON.parse(storedJSON).view == 2){
$("#view2").trigger("click");
} else {
$("#view1").trigger("click");
}
if (JSON.parse(storedJSON).isSeated){
$("#posture1").trigger("click");
} else{
$("#posture2").trigger("click");
}
// update spinners (stored value always in SI)
p.length = JSON.parse(storedJSON).length;
p.height = JSON.parse(storedJSON).height;
p.width = JSON.parse(storedJSON).width;
//handle case where saved radio button states don't match current display
if (JSON.parse(storedJSON).isSIunits != $("#units1")[0].checked){
if (JSON.parse(storedJSON).isSIunits){
$("#units1").trigger("click");
} else{
$("#units2").trigger("click");
}
} else {
// need to toggle units to ensure spinners display correct value
if (!JSON.parse(storedJSON).isSIunits){
$("#units1").trigger("click");
$("#units2").trigger("click");
}
}
// set sliders to parameter values, update sliders, and calc solutions
// set single value sliders
$("#slider-aspectRatio-min").slider('value',JSON.parse(storedJSON).aspectRatio)
$("#slider-fan-speed-min").slider('value',JSON.parse(storedJSON).fanSpeed)
$("#slider-mount-distance-max").slider('value',JSON.parse(storedJSON).mountDistance)
// set doal value sliders
$("#slider-dimless").slider('values', JSON.parse(storedJSON).dimensionlessDiameter)
$("#slider-cellSize").slider('values', JSON.parse(storedJSON).cellSize)
$("#slider-num-fans").slider('values', JSON.parse(storedJSON).numFans)
$("#slider-uniformity").slider('values', JSON.parse(storedJSON).uniformity)
$("#slider-min-air-speed").slider('values', JSON.parse(storedJSON).minAirSpeed)
$("#slider-avg-air-speed").slider('values', JSON.parse(storedJSON).avgAirSpeed)
$("#slider-max-air-speed").slider('values', JSON.parse(storedJSON).maxAirSpeed)
$("#slider-blade-height").slider('values', JSON.parse(storedJSON).bladeHeight)
// reload fan data into table
tblFans.clear();
tblFans.rows.add(JSON.parse(storedJSON).fanTableData).draw();
tblFans.order( [ 1, 'asc' ] ).draw();
if (JSON.parse(storedJSON).selectedCandidateFanIDs.length >0 ) {
for (i in JSON.parse(storedJSON).selectedCandidateFanIDs) {
$('#fans tbody tr:eq(' + JSON.parse(storedJSON).selectedCandidateFanIDs[i] + ')').click();
}
}
let temp_selectedSolutionID = JSON.parse(storedJSON).selectedSolutionID;
p = JSON.parse(storedJSON);
updateSliderDisplays();
updateSolutions();
// reselect chosen solution
if (temp_selectedSolutionID >-1 ) {
$('#solutions tbody tr:eq(' + temp_selectedSolutionID + ')').click();
}
}
// define default parameter state
const p_default = {
'cellSize': [4.5, 15.24],
'minAirSpeed': [0.5, 4.0],
'avgAirSpeed': [0.5, 4.0],
'maxAirSpeed': [0.5, 4.0],
'uniformity': [0.1, 1.0],
'numFans':[1,10],
'diameter':[1.2, 4.3],
'bladeHeight' : [2.13, 3.08],
'dimensionlessDiameter':[0.15, 0.5],
"length" : 0,
"width" : 0,
"height" : 0,
"aspectRatio" : 1.5,
"mountDistance" : 0.2,
"fanSpeed" : 100,
"isSIunits" : true,
"isSeated" : true,
"view" : 1,
"fanTableData" : [
['ExampleA', 1.2192, 2.61, "No"],
['ExampleB', 1.3208, 2.26, "No"],
['ExampleC', 1.524, 3.77, "No"],
['ExampleD', 1.524, 3.83, "No"],
['ExampleE', 2.1336, 7.73, "No"],
['ExampleF', 2.4384, 13.80, "Yes"],
['ExampleG', 2.4384, 16.57, "Yes"],
['ExampleH', 3.048, 20.91, "Yes"],
['ExampleI', 4.2672, 25.31, "Yes"]
],
"selectedSolutionID" : -1,
"selectedCandidateFanIDs" :[],
"display" : {
'blades': 0,
'xSpacing': 0.6,
'ySpacing': 1.2,
'xOffset': 0,
'yOffset': 0
},
}
var p = p_default;
// initialize empty objects to hold objects generated from the above parameter
// selection
var room = [];
var candidateFans = [];
var solutions = [];
var scale = 0; //metric to pixel scale for canvas
var margin = 10; // pixel margin for canvas
var font = 14; // font size for canvas
var lineSpacing = font + 2 // linespacing for canvas
// create common imperial unit defintions
math.createUnit('cfm', '1 ft*ft*ft/min');
math.createUnit('fpm', '1 ft/min');
// create function that returns an input SI unit as a string with units
// in the selected unit system
function unitToString (valueSI, measurement, displayUnit=true){
if (displayUnit){
if (measurement === "distance"){
return math.format(math.unit(valueSI,"m").to(p.isSIunits ? "m" : "ft"),3);
};
if (measurement === "flowrate"){
return math.format(math.unit(valueSI,"m^3/s").to(p.isSIunits ? "m^3/s" : "cfm"),3);
};
if (measurement === "speed"){
return math.format(math.unit(valueSI,"m/s").to(p.isSIunits ? "m/s" : "fpm"),3);
};
if (measurement === "deltaT"){
return p.isSIunits ? valueSI.toFixed(1) + " °C" : (valueSI * 1.8).toFixed(1) + " °F" ;
};
} else {
if (measurement === "distance"){
return math.unit(valueSI,"m").to(p.isSIunits ? "m" : "ft").toNumber().toFixed(1);
};
if (measurement === "flowrate"){
return math.unit(valueSI,"m^3/s").to(p.isSIunits ? "m^3/s" : "cfm").toNumber().toFixed(1);
};
if (measurement === "speed"){
return math.unit(valueSI,"m/s").to(p.isSIunits ? "m/s" : "fpm").toNumber().toFixed(p.isSIunits ? 2 : 0);
};
if (measurement === "deltaT"){
return p.isSIunits ? valueSI.toFixed(1) : (valueSI * 1.8).toFixed(1);
};
}
};
// defines left pane accordion setup
$( "#accordion" ).accordion({
collapsible: true,
heightStyle: "content"
});
// add tooltips (based on 'title')
$( function() {
$( document ).tooltip();
} );
// add all sliders (double values - ranges)
$( "#slider-dimless" ).slider({
range: true,
min: 0.1,
max: 0.6,
values: p.dimensionlessDiameter,
step: 0.01,
slide: function( event, ui ) {
p.dimensionlessDiameter = ui.values;
updateSliderDisplays();
}
});
$( "#slider-num-fans" ).slider({
range: true,
min: 1,
max: 10,
values: p.numFans,
step: 1,
slide: function( event, ui ) {
p.numFans = ui.values;
updateSliderDisplays();
}
});
$( "#slider-uniformity" ).slider({
range: true,
min: 0.0,
max: 1.0,
values: p.uniformity,
step: 0.05,
slide: function( event, ui ) {
p.uniformity = ui.values;
updateSliderDisplays();
}
});
$( "#slider-blade-height" ).slider({
range: true,
min: 2.13,
max: 4.53,
values: p.bladeHeight,
step: 0.05,
slide: function( event, ui ) {
p.bladeHeight = ui.values;
updateSliderDisplays();
}
});
$( "#slider-cellSize" ).slider({
range: true,
min: 4.5,
max: 18.288,
values: p.cellSize,
step: 0.1,
slide: function( event, ui ) {
p.cellSize = ui.values;
updateSliderDisplays();
}
});
$( "#slider-min-air-speed" ).slider({
range: true,
min: 0.2,
max: 4.0,
values: p.minAirSpeed,
step: 0.05,
slide: function( event, ui ) {
p.minAirSpeed = ui.values;
updateSliderDisplays();
}
});
$( "#slider-avg-air-speed" ).slider({
range: true,
min: 0.2,
max: 4.0,
values: p.avgAirSpeed,
step: 0.05,
slide: function( event, ui ) {
p.avgAirSpeed = ui.values;
updateSliderDisplays();
}
});
$( "#slider-max-air-speed" ).slider({
range: true,
min: 0.2,
max: 4.0,
values: p.maxAirSpeed,
step: 0.05,
slide: function( event, ui ) {
p.maxAirSpeed = ui.values;
updateSliderDisplays();
}
});
// add all sliders (single values)
$( "#slider-aspectRatio-min" ).slider({
range: "min",
value: p.aspectRatio,
min: 1,
max: 1.6,
step: 0.01,
slide: function( event, ui ) {
p.aspectRatio = ui.value;
updateSliderDisplays();
}
});
$( "#slider-mount-distance-max" ).slider({
range: "max",
value: p.mountDistance,
min: 0.1,
max: 1,
step: 0.01,
slide: function( event, ui ) {
p.mountDistance = ui.value;
updateSliderDisplays();
}
});
$( "#slider-fan-speed-min" ).slider({
range: "min",
value: p.fanSpeed,
min: 10,
max: 100,
step: 1,
slide: function( event, ui ) {
p.fanSpeed = ui.value;
updateSliderDisplays();
}
});
$( ":radio" ).checkboxradio({
icon: false
});
var tblFans = $('#fans').DataTable( {
data: p.fanTableData,
destroy: true,
scrollY: "300px",
stateSave: true,
scrollCollapse: true,
paging: false,
searching: false,
info: false,
columnDefs: [ {
targets: [1],
render: $.fn.dataTable.render.number( ',', '.', 2, '' )
} ],
columns: [
{ title: "Type" },
{ title: "D (m)" },
{ title: "Q (m³/s)" },
{ title: "Min blade hgt. ≥ 3 m?" }
]
} );
// sort by diameter on opening
// also resolves unexpected table header width initialization issue
$('#fan_accordion_header').on('click', function () {tblFans.order( [ 1, 'asc' ] ).draw();});
function allFans(){
selected = tblFans.rows('.selected')[0]
all = tblFans.rows()[0]
for (i in all){
if (!(selected.includes(all[i]))) {
$('#fans tbody tr:eq(' + all[i] +')').click();
}
}
};
// select all fans from the table
$( "#all-fan" ).button().on( "click", function() {
allFans();
});
function noFans(){
selected = tblFans.rows('.selected')[0]
all = tblFans.rows()[0]
for (i in all){
if (selected.includes(all[i])) {
$('#fans tbody tr:eq(' + all[i] +')').click();
}
}
};
// deselect all fans from the table
$( "#no-fan" ).button().on( "click", function() {
noFans();
});
// select/deselect rows when clicked
$('#fans tbody').on( 'click', 'tr', function () {
$(this).toggleClass('selected');
} );
// whenever a fan is selected/deselected
// update fans object and calculate solutions
$('#fans tbody').on( 'click', function () {
updateCandidateFans();
} );
// delete all selected fans from the table
$( "#delete-fan" ).button().on( "click", function() {
for (i in tblFans.rows('.selected')[0]) {
tblFans.row(".selected").remove().draw();
}
updateCandidateFans();
});
// reset all fans in table to defaults
$( "#reset-fan" ).button().on( "click", function() {
// reload fan data into table
tblFans.clear();
tblFans.rows.add(p_default.fanTableData).draw();
updateCandidateFans();
});
// update the candidate fans (i.e. those selected in the fan table)
// and update the solutions
function updateCandidateFans(){
p.selectedCandidateFanIDs = tblFans.rows('.selected')[0]
candidateFans =[];
tblFans.rows('.selected').data().each( function(row,index) {
var t = row[0];
var d = row[1];
var a = row[2];
var u = row[3];
if (!p.isSIunits){
// convert units to SI before creating fan objects
d *= math.unit("1 ft").toNumber("m");
a *= math.unit("1 cfm").toNumber("m3/s");
}
candidateFans.push(new Fan(t,d,a,u));
});
updateSolutions();
};
// table to display all viable solutions that meet the user input criteria
var tblSln = $('#solutions').DataTable( {
data: [],
language: {
emptyTable: "No solutions. Please select additional fans and/or relax constraints."
},
destroy: true,
paging: false,
scrollY: "200px",
searching: false,
info: true,
lengthChange: false,
pageLength: 10,
columns: [
{ title: "Fan type" },
{ title: "Ø (m)" },
{ title: "# fans" },
{ title: "Min airspeed (m/s)" },
{ title: "Cooling effect (°C) at min" },
{ title: "Avg airspeed (m/s)" },
{ title: "Max airspeed (m/s)" },
{ title: "Cooling effect (°C) at max" },
{ title: "Uniformity" },
]
} );
tblSln.order( [ 2, 'asc' ] ).draw();
// allow only one solution to be selected at a time
$('#solutions tbody').on( 'click', 'tr', function () {
if ( $(this).hasClass('selected') ) {
$(this).removeClass('selected');
}
else {
tblSln.$('tr.selected').removeClass('selected');
$(this).addClass('selected');
}
} );
// update selected solution and draw it on the display
$('#solutions tbody').on( 'click', function () {
if (tblSln.rows('.selected').data().length > 0 ){
p.selectedSolutionID = tblSln.rows('.selected')[0][0]
// drawFans();
} else{
p.selectedSolutionID = -1;
};
updateView();
} );
// update inputs associated with slider movement and
// update the solutions based on the new inputs
$('.ui-slider').on("slidestop", function () {
updateSliderDisplays();
updateSolutions();
});
$('#len').change(function () {
correctInput(this);
});
$('#wid').change(function () {
correctInput(this);
});
$('#hei').change(function () {
correctInput(this);
});
function correctInput(x){
var min = $(x).spinner('option', 'min');
var max = $(x).spinner('option', 'max');
if (isNaN($(x).val())) {
$(x).spinner("value", min);
$(x).val(min);
} else if ($(x).val() > max) {
$(x).spinner("value", max);
$(x).val(max);
} else if ($(x).val() < min) {
$(x).val(min);
}
updateSolutions();
}
// add spinners
var lenSpinner = $( "#len" ).spinner({
numberFormat: "n",
min: 4.6,
max: 100,
step: 0.1,
stop: function( event, ui ) {
var min = $(this).spinner('option', 'min');
var max = $(this).spinner('option', 'max');
if ($( "#len" ).spinner( "value") < min){
var v = min;
} else if (($( "#len" ).spinner( "value") > max)) {
var v = max;
} else {
var v = $( "#len" ).spinner( "value");
}
if (p.isSIunits) {
p.length = v;
} else {
p.length = v*0.3048;
}
updateSolutions();
},
})
var widSpinner = $( "#wid" ).spinner({
numberFormat: "n",
min: 4.6,
max: 100,
step: 0.1,
stop: function( event, ui ) {
var min = $(this).spinner('option', 'min');
var max = $(this).spinner('option', 'max');
if ($( "#wid" ).spinner( "value") < min){
var v = min;
} else if (($( "#wid" ).spinner( "value") > max)) {
var v = max;
} else {
var v = $( "#wid" ).spinner( "value");
}
if (p.isSIunits) {
p.width = v;
} else {
p.width = v*0.3048;
}
updateSolutions();
},
})
var heiSpinner = $( "#hei" ).spinner({
numberFormat: "n",
min: 2.4,
max: 5.7,
step: 0.05,
stop: function( event, ui ) {
var min = $(this).spinner('option', 'min');
var max = $(this).spinner('option', 'max');
if ($( "#hei" ).spinner( "value") < min){
var v = min;
} else if (($( "#hei" ).spinner( "value") > max)) {
var v = max;
} else {
var v = $( "#hei" ).spinner( "value");
}
if (p.isSIunits) {
p.height = v;
} else {
p.height = v*0.3048;
}
updateSolutions();
},
})
// change units and store state on click
$("#units1, #units2").change(function () {
// store selected solution Id so it can be restored after recalculating solutions
let temp_selected = p.selectedSolutionID;
p.isSIunits = $("#units1")[0].checked;
$(".distance-unit").each(function() {
if (p.isSIunits) {
$(this).text("(m)");
} else {
$(this).text("(ft)");
}
});
changeUnits();
// if a solution was selected before changing the units, restore selection
if (temp_selected > -1) {
p.selectedSolutionID = temp_selected;
$('#solutions tbody tr:eq(' + p.selectedSolutionID + ')').click();
}
});
// change posture and store state on click
$("#posture1, #posture2").change(function () {
p.isSeated = $("#posture1")[0].checked;
updateSolutions();
});
$("[id*= view]").change(function () {
if ($("#view1")[0].checked){
p.view = 1;
}
if ($("#view2")[0].checked){
p.view = 2;
}
if ($("#view3")[0].checked){
p.view = 3;
}
updateView();
});
// recalculate the solutions, clear the floor plan, update the solutions table
function updateSolutions() {
calcSolutions();
updateSlnTable();
// updateView();
if (p.height * p.length * p.width == 0){
completeRoomDimensions();
} else if (candidateFans.length == 0){
pickFans();
} else {
// no more basic warnings
}
};
// update the solutions table to match the currently calculated set of
// solutions
function updateSlnTable(){
tblSln.clear();
tblData = [];
convTempDiff = (p.isSIunits) ? 1 : 1.8;
for (i of solutions){
tblData.push([
i.fan.type,
unitToString(i.fan.diameter, "distance", false),
i.layout.numFans(),
unitToString(i.airspeeds[0], "speed", false),
unitToString(i.tempDiffs[0], "deltaT", false),
unitToString(i.airspeeds[1], "speed", false),
unitToString(i.airspeeds[2], "speed", false),
unitToString(i.tempDiffs[2], "deltaT", false),
i.uniformity.toFixed(2),
]);
}
tblSln.rows.add(tblData).draw();
// select first solution if any solutions exist
if (solutions.length >0 ) {
$('#solutions tbody tr:eq(0)').click();
} else{
p.selectedSolutionID = -1;
}
};
// update the input display associated with each slider,
// accounting for different unit systems and measurements
function updateSliderDisplays(){
$( "#dimless" ).val(
$( "#slider-dimless" ).slider( "values", 0 )
+ " - " +
$( "#slider-dimless" ).slider( "values", 1 )
);
$( "#num-fans" ).val(
$( "#slider-num-fans" ).slider( "values", 0 )
+ " - " +
$( "#slider-num-fans" ).slider( "values", 1 )
);
$( "#uniformity" ).val(
$( "#slider-uniformity" ).slider( "values", 0 )
+ " - " +
$( "#slider-uniformity" ).slider( "values", 1 )
);
$( "#cellSize" ).val(
unitToString($( "#slider-cellSize" ).slider( "values", 0 ), "distance",false)
+ " - " +
unitToString($( "#slider-cellSize" ).slider( "values", 1 ), "distance")
);
$( "#blade-height" ).val(
unitToString($( "#slider-blade-height" ).slider( "values", 0 ), "distance",false)
+ " - " +
unitToString($( "#slider-blade-height" ).slider( "values", 1 ), "distance")
);
$( "#min-air-speed" ).val(
unitToString($( "#slider-min-air-speed" ).slider( "values", 0 ), "speed",false)
+ " - " +
unitToString($( "#slider-min-air-speed" ).slider( "values", 1 ), "speed")
);
$( "#avg-air-speed" ).val(
unitToString($( "#slider-avg-air-speed" ).slider( "values", 0 ), "speed",false)
+ " - " +
unitToString($( "#slider-avg-air-speed" ).slider( "values", 1 ), "speed")
);
$( "#max-air-speed" ).val(
unitToString($( "#slider-max-air-speed" ).slider( "values", 0 ), "speed",false)
+ " - " +
unitToString($( "#slider-max-air-speed" ).slider( "values", 1 ), "speed")
);
// update single value sliders
$( "#mount-distance" ).val( $( "#slider-mount-distance-max" ).slider( "value" ) );
$( "#aspectRatio" ).val( $( "#slider-aspectRatio-min" ).slider( "value" ) );
$( "#fan-speed-min" ).val( $( "#slider-fan-speed-min" ).slider( "value" ) + "%" );
}
// update unit system displayed everywhere in the web tool
// and save the state
function changeUnits () {
p.isSIunits = $("[name='units']")[0].checked
// update table column names
if (p.isSIunits) {
$(tblFans.column(1).header()).text('D (m)');
$(tblFans.column(2).header()).text('Q (m³/s)');
$(tblFans.column(3).header()).text('Min blade hgt. ≥ 3 m?');
$(tblSln.column(1).header()).text('Ø (m)');
$(tblSln.column(3).header()).text('Min airspeed (m/s)');
$(tblSln.column(4).header()).text('Cooling effect (°C) at min');
$(tblSln.column(5).header()).text('Avg airspeed (m/s)');
$(tblSln.column(6).header()).text('Max airspeed (m/s)');
$(tblSln.column(7).header()).text('Cooling effect (°C) at max');
// update the data in each column
tblFans.rows().every( function ( rowIdx, tableLoop, rowLoop ) {
var data = this.data();
data[1] = (data[1] * math.unit("1 ft").toNumber("m"));
data[2] = (data[2] * math.unit("1 cfm").toNumber("m^3/s")).toFixed(2);
this.data(data);
});
// update spinnners
$('#len').spinner('option', 'min', 4.6);
$('#len').spinner('option', 'max', 100);
if (p.length >0) $( "#len" ).spinner( "value", p.length)
$('#wid').spinner('option', 'min', 4.6);
$('#wid').spinner('option', 'max', 100);
if (p.width > 0) $( "#wid" ).spinner( "value", p.width)
$('#hei').spinner('option', 'min', 2.4);
$('#hei').spinner('option', 'max', 5.7);
if (p.height >0) $( "#hei" ).spinner( "value", p.height)
} else {
$(tblFans.column(1).header()).text('D (ft)');
$(tblFans.column(2).header()).text('Q (cfm)');
$(tblFans.column(3).header()).text('Min blade hgt. ≥ 10 ft?');
$(tblSln.column(1).header()).text('Ø (ft)');
$(tblSln.column(3).header()).text('Min airspeed (fpm)');
$(tblSln.column(4).header()).text('Cooling effect (°F) at min');
$(tblSln.column(5).header()).text('Avg airspeed (fpm)');
$(tblSln.column(6).header()).text('Max airspeed (fpm)');
$(tblSln.column(7).header()).text('Cooling effect (°F) at max');
// update the data in each column
tblFans.rows().every( function ( rowIdx, tableLoop, rowLoop ) {
var data = this.data();
data[1] = (data[1] * math.unit("1 m").toNumber("ft"));
data[2] = (data[2] * math.unit("1 m3/s").toNumber("cfm")).toFixed(0);
this.data(data);
});
// update spinnners
$('#len').spinner('option', 'min', 15);
$('#len').spinner('option', 'max', 330);
if (p.length >0) $( "#len" ).spinner( "value", p.length* math.unit("1 m").toNumber("ft") )
$('#wid').spinner('option', 'min', 15);
$('#wid').spinner('option', 'max', 330);
if (p.width > 0) $( "#wid" ).spinner( "value", p.width* math.unit("1 m").toNumber("ft") )
$('#hei').spinner('option', 'min', 8);
$('#hei').spinner('option', 'max', 18.7);
if (p.height >0) $( "#hei" ).spinner( "value", p.height* math.unit("1 m").toNumber("ft") )
}
updateSliderDisplays();
updateSlnTable();
};
// calculate the new set of solutions given the user inputs
function calcSolutions(){
// instantiate a new room object using the selected dimensions
room = new Room(p.height, p.length, p.width)
/* function to ensure that the resulting size of the fan 'cell' in either the
X or Y direction is within the limits of the underlying data set.
Avoids looping through an unecessarily large 2d array Layout objects
*/
testLims = function(value, index, testArray, ) {
return value >= p.cellSize[0]*Math.sqrt(1/p.aspectRatio) &&
value <= p.cellSize[1]*Math.sqrt(p.aspectRatio);
}
candidateNumFans = []
for (n=p.numFans[0]; n<=p.numFans[1]; n++){
candidateNumFans.push(n);
}
var validNumFansX = candidateNumFans.map(n => room.sizeX/n).filter(testLims).map(n => room.sizeX / n);
var validNumFansY = candidateNumFans.map(n => room.sizeY/n).filter(testLims).map(n => room.sizeY / n);
/* create an array of all candidate layouts that fit within the limitations
that relate to interactions between room and room objects.
This consists of ensuring that the size and shape of an individual fan 'cell'
are within the constraints provided.
*/
layouts = [];
failAspectRatio = 0;
failCellSize = [0,0];
for (i = 0; i < validNumFansX.length; i++) {
for (j = 0; j < validNumFansY.length; j++) {
// instantiate a candidate solution
candidate = new Layout(validNumFansX[i],validNumFansY[j], room);
// test to see if it meets validity criteria
if (candidate.aspectRatio >= p.aspectRatio){
failAspectRatio++;
continue;
};
if (candidate.r < p.cellSize[0]){
failCellSize[0]++;
continue;
};
if (candidate.r > p.cellSize[1]){
failCellSize[1]++;
continue;
};
layouts.push(candidate);
};
};
console.log(`${layouts.length} viable layouts, ${failAspectRatio} failed on aspect ratio, (${failCellSize}) failed on min,max cell size`);
console.log(layouts);
/* create an array of all candidate solutions that fit within the limitations
that relate interactions between layout and fan objects.
*/
solutions = [];
failDimensionlessDiameter = [0,0];
failMinAirspeed = [0,0];
failAvgAirspeed = [0,0];
failMaxAirspeed = [0,0];
failUniformity = [0,0];
for (i = 0; i < layouts.length; i++) {
for (j = 0; j < candidateFans.length; j++) {
// instantiate a candidate solution
candidate = new Solution(layouts[i],candidateFans[j],p.fanSpeed,p.bladeHeight,p.mountDistance);
// test to see if it meets validity criteria
if (candidate.dr <= p.dimensionlessDiameter[0]){
failDimensionlessDiameter[0]++;
continue;
};
if (candidate.dr >= p.dimensionlessDiameter[1]){
failDimensionlessDiameter[1]++;
continue;
};
if (candidate.airspeeds[0] <= p.minAirSpeed[0]){
failMinAirspeed[0]++;
continue;
};
if (candidate.airspeeds[0] >= p.minAirSpeed[1]){
failMinAirspeed[1]++;
continue;
};
if (candidate.airspeeds[1] <= p.avgAirSpeed[0]){
failAvgAirspeed[0]++;
continue;
};
if (candidate.airspeeds[1] >= p.avgAirSpeed[1]){
failAvgAirspeed[1]++;
continue;
};
if (candidate.uniformity <= p.uniformity[0]){
failUniformity[0]++;
continue;
};
if (candidate.uniformity >= p.uniformity[1]){
failUniformity[1]++;
continue;
};
if (!candidate.validBladeHeightRange['pass']) {
continue;
};
solutions.push(candidate);
};
};
console.log(failDimensionlessDiameter + " failed on [min, max] dimensionless diameter");
console.log(solutions);
console.log("Total number of viable solutions: " + solutions.length);
var numsFans = solutions.map(function(elt) {return elt.layout.numFans();});
}
//draw the selected view
function updateView() {
var canvas = document.getElementById('canv');
if (canvas.getContext) {
if (p.view == 1){
clearCanvas();
// plan view
drawRoom();
if (p.selectedSolutionID >-1) {
// if a solution has been selected, draw the fans
drawFans();
}
}
if (p.view == 2){
clearCanvas();
if (p.selectedSolutionID >-1) {
// cell plan view
drawCell();
}
}
if (p.view == 3){
clearCanvas();
if (p.selectedSolutionID >-1) {
// cell section view
drawCellSection();
}
}
} else{
alert("Your browser doesn't support HTML 5 Canvas");
}
};