|
|
@ -4,8 +4,8 @@ |
|
|
* |
|
|
* |
|
|
* A dynamic, browser-based visualization library. |
|
|
* A dynamic, browser-based visualization library. |
|
|
* |
|
|
* |
|
|
* @version 1.0.2-SNAPSHOT |
|
|
|
|
|
* @date 2014-05-28 |
|
|
|
|
|
|
|
|
* @version @@version |
|
|
|
|
|
* @date @@date |
|
|
* |
|
|
* |
|
|
* @license |
|
|
* @license |
|
|
* Copyright (C) 2011-2014 Almende B.V, http://almende.com
|
|
|
* Copyright (C) 2011-2014 Almende B.V, http://almende.com
|
|
|
@ -3108,7 +3108,7 @@ DataStep.prototype.setFirst = function() { |
|
|
|
|
|
|
|
|
this.marginEnd = this.roundToMinor(niceEnd); |
|
|
this.marginEnd = this.roundToMinor(niceEnd); |
|
|
this.marginStart = this.roundToMinor(niceStart); |
|
|
this.marginStart = this.roundToMinor(niceStart); |
|
|
this.marginRange = this.current - this.marginStart; |
|
|
|
|
|
|
|
|
this.marginRange = this.marginEnd - this.marginStart; |
|
|
|
|
|
|
|
|
this.current = this.marginEnd; |
|
|
this.current = this.marginEnd; |
|
|
|
|
|
|
|
|
@ -4291,7 +4291,6 @@ DataAxis.prototype._create = function _create() { |
|
|
* @param {Range | Object} range A Range or an object containing start and end. |
|
|
* @param {Range | Object} range A Range or an object containing start and end. |
|
|
*/ |
|
|
*/ |
|
|
DataAxis.prototype.setRange = function (range) { |
|
|
DataAxis.prototype.setRange = function (range) { |
|
|
console.log(range, range.start, range.end, !range, !range.start, !range.end); |
|
|
|
|
|
if (!(range instanceof Range) && (!range || range.start === undefined || range.end === undefined)) { |
|
|
if (!(range instanceof Range) && (!range || range.start === undefined || range.end === undefined)) { |
|
|
throw new TypeError('Range must be an instance of Range, ' + |
|
|
throw new TypeError('Range must be an instance of Range, ' + |
|
|
'or an object containing start and end.'); |
|
|
'or an object containing start and end.'); |
|
|
@ -4394,7 +4393,8 @@ DataAxis.prototype._repaintLabels = function () { |
|
|
var marginStartPos = 0; |
|
|
var marginStartPos = 0; |
|
|
var max = 0; |
|
|
var max = 0; |
|
|
while (step.hasNext() && max < 1000) { |
|
|
while (step.hasNext() && max < 1000) { |
|
|
var y = Math.round(max * stepPixels); |
|
|
|
|
|
|
|
|
var y = max * stepPixels; |
|
|
|
|
|
y = y.toPrecision(5) |
|
|
var isMajor = step.isMajor(); |
|
|
var isMajor = step.isMajor(); |
|
|
|
|
|
|
|
|
if (this.getOption('showMinorLabels') && isMajor == false) { |
|
|
if (this.getOption('showMinorLabels') && isMajor == false) { |
|
|
@ -4420,6 +4420,7 @@ DataAxis.prototype._repaintLabels = function () { |
|
|
} |
|
|
} |
|
|
|
|
|
|
|
|
this.conversionFactor = marginStartPos/step.marginRange; |
|
|
this.conversionFactor = marginStartPos/step.marginRange; |
|
|
|
|
|
console.log(marginStartPos, step.marginRange, this.conversionFactor); |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
@ -4445,10 +4446,17 @@ DataAxis.prototype._repaintLabels = function () { |
|
|
}); |
|
|
}); |
|
|
}; |
|
|
}; |
|
|
|
|
|
|
|
|
|
|
|
DataAxis.prototype.convertValues = function(data) { |
|
|
|
|
|
for (var i = 0; i < data.length; i++) { |
|
|
|
|
|
data[i].y = this._getPos(data[i].y); |
|
|
|
|
|
} |
|
|
|
|
|
return data; |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
DataAxis.prototype._getPos = function(value) { |
|
|
DataAxis.prototype._getPos = function(value) { |
|
|
var invertedValue = this.valueAtZero - value; |
|
|
var invertedValue = this.valueAtZero - value; |
|
|
return invertedValue * this.conversionFactor; |
|
|
|
|
|
|
|
|
var convertedValue = invertedValue * this.conversionFactor; |
|
|
|
|
|
return convertedValue |
|
|
} |
|
|
} |
|
|
|
|
|
|
|
|
/** |
|
|
/** |
|
|
@ -4524,12 +4532,12 @@ DataAxis.prototype._repaintMajorText = function (x, text, orientation) { |
|
|
}; |
|
|
}; |
|
|
|
|
|
|
|
|
/** |
|
|
/** |
|
|
* Create a minor line for the axis at position x |
|
|
|
|
|
* @param {Number} x |
|
|
|
|
|
|
|
|
* Create a minor line for the axis at position y |
|
|
|
|
|
* @param {Number} y |
|
|
* @param {String} orientation "top" or "bottom" (default) |
|
|
* @param {String} orientation "top" or "bottom" (default) |
|
|
* @private |
|
|
* @private |
|
|
*/ |
|
|
*/ |
|
|
DataAxis.prototype._repaintMinorLine = function (x, orientation) { |
|
|
|
|
|
|
|
|
DataAxis.prototype._repaintMinorLine = function (y, orientation) { |
|
|
// reuse redundant line
|
|
|
// reuse redundant line
|
|
|
var line = this.dom.redundant.minorLines.shift(); |
|
|
var line = this.dom.redundant.minorLines.shift(); |
|
|
|
|
|
|
|
|
@ -4550,7 +4558,7 @@ DataAxis.prototype._repaintMinorLine = function (x, orientation) { |
|
|
} |
|
|
} |
|
|
|
|
|
|
|
|
line.style.width = props.minorLineWidth + 'px'; |
|
|
line.style.width = props.minorLineWidth + 'px'; |
|
|
line.style.top = (x - props.minorLineHeight / 2) + 'px'; |
|
|
|
|
|
|
|
|
line.style.top = y + 'px'; |
|
|
}; |
|
|
}; |
|
|
|
|
|
|
|
|
/** |
|
|
/** |
|
|
@ -4559,7 +4567,7 @@ DataAxis.prototype._repaintMinorLine = function (x, orientation) { |
|
|
* @param {String} orientation "top" or "bottom" (default) |
|
|
* @param {String} orientation "top" or "bottom" (default) |
|
|
* @private |
|
|
* @private |
|
|
*/ |
|
|
*/ |
|
|
DataAxis.prototype._repaintMajorLine = function (x, orientation) { |
|
|
|
|
|
|
|
|
DataAxis.prototype._repaintMajorLine = function (y, orientation) { |
|
|
// reuse redundant line
|
|
|
// reuse redundant line
|
|
|
var line = this.dom.redundant.majorLines.shift(); |
|
|
var line = this.dom.redundant.majorLines.shift(); |
|
|
|
|
|
|
|
|
@ -4578,7 +4586,7 @@ DataAxis.prototype._repaintMajorLine = function (x, orientation) { |
|
|
else { |
|
|
else { |
|
|
line.style.left = -1*(this.width - 25) + 'px'; |
|
|
line.style.left = -1*(this.width - 25) + 'px'; |
|
|
} |
|
|
} |
|
|
line.style.top = (x - props.majorLineHeight / 2) + 'px'; |
|
|
|
|
|
|
|
|
line.style.top = y + 'px'; |
|
|
line.style.width = props.majorLineWidth + 'px'; |
|
|
line.style.width = props.majorLineWidth + 'px'; |
|
|
}; |
|
|
}; |
|
|
|
|
|
|
|
|
@ -5359,7 +5367,7 @@ function Linegraph(backgroundPanel, axisPanel, sidePanel, options, timeline, sid |
|
|
this.groupsData = null; // DataSet
|
|
|
this.groupsData = null; // DataSet
|
|
|
this.range = null; // Range or Object {start: number, end: number}
|
|
|
this.range = null; // Range or Object {start: number, end: number}
|
|
|
|
|
|
|
|
|
// listeners for the DataSet of the items
|
|
|
|
|
|
|
|
|
// listeners for the DataSet of the items
|
|
|
// this.itemListeners = {
|
|
|
// this.itemListeners = {
|
|
|
// 'add': function(event, params, senderId) {
|
|
|
// 'add': function(event, params, senderId) {
|
|
|
// if (senderId != me.id) me._onAdd(params.items);
|
|
|
// if (senderId != me.id) me._onAdd(params.items);
|
|
|
@ -5416,6 +5424,8 @@ function Linegraph(backgroundPanel, axisPanel, sidePanel, options, timeline, sid |
|
|
me.svg.style.left = util.option.asSize(-me.width); |
|
|
me.svg.style.left = util.option.asSize(-me.width); |
|
|
me.setData.apply(me); |
|
|
me.setData.apply(me); |
|
|
}); |
|
|
}); |
|
|
|
|
|
|
|
|
|
|
|
// this.data = new DataView(this.items)
|
|
|
} |
|
|
} |
|
|
|
|
|
|
|
|
Linegraph.prototype = new Panel(); |
|
|
Linegraph.prototype = new Panel(); |
|
|
@ -5457,6 +5467,7 @@ Linegraph.prototype._create = function(){ |
|
|
this.svg = document.createElementNS('http://www.w3.org/2000/svg',"svg"); |
|
|
this.svg = document.createElementNS('http://www.w3.org/2000/svg',"svg"); |
|
|
this.svg.style.position = "relative" |
|
|
this.svg.style.position = "relative" |
|
|
this.svg.style.height = "300px"; |
|
|
this.svg.style.height = "300px"; |
|
|
|
|
|
this.svg.style.display = "block"; |
|
|
|
|
|
|
|
|
this.path = document.createElementNS('http://www.w3.org/2000/svg',"path"); |
|
|
this.path = document.createElementNS('http://www.w3.org/2000/svg',"path"); |
|
|
this.path.setAttributeNS(null, "fill","none"); |
|
|
this.path.setAttributeNS(null, "fill","none"); |
|
|
@ -5466,10 +5477,16 @@ Linegraph.prototype._create = function(){ |
|
|
this.path2 = document.createElementNS('http://www.w3.org/2000/svg',"path"); |
|
|
this.path2 = document.createElementNS('http://www.w3.org/2000/svg',"path"); |
|
|
this.path2.setAttributeNS(null, "fill","none"); |
|
|
this.path2.setAttributeNS(null, "fill","none"); |
|
|
this.path2.setAttributeNS(null, "stroke","red"); |
|
|
this.path2.setAttributeNS(null, "stroke","red"); |
|
|
this.path2.setAttributeNS(null, "stroke-width","2"); |
|
|
|
|
|
|
|
|
this.path2.setAttributeNS(null, "stroke-width","1"); |
|
|
|
|
|
|
|
|
|
|
|
this.path3 = document.createElementNS('http://www.w3.org/2000/svg',"path"); |
|
|
|
|
|
this.path3.setAttributeNS(null, "fill","none"); |
|
|
|
|
|
this.path3.setAttributeNS(null, "stroke","green"); |
|
|
|
|
|
this.path3.setAttributeNS(null, "stroke-width","1"); |
|
|
|
|
|
|
|
|
this.dom.foreground.appendChild(this.svg); |
|
|
this.dom.foreground.appendChild(this.svg); |
|
|
|
|
|
|
|
|
|
|
|
this.svg.appendChild(this.path3); |
|
|
this.svg.appendChild(this.path2); |
|
|
this.svg.appendChild(this.path2); |
|
|
this.svg.appendChild(this.path); |
|
|
this.svg.appendChild(this.path); |
|
|
|
|
|
|
|
|
@ -5498,76 +5515,60 @@ Linegraph.prototype._createAxis = function() { |
|
|
svg: this.svg |
|
|
svg: this.svg |
|
|
}; |
|
|
}; |
|
|
this.yAxis = new DataAxis(dataAxisOptions); |
|
|
this.yAxis = new DataAxis(dataAxisOptions); |
|
|
this.yAxis.setRange({start:-60,end:260}); |
|
|
|
|
|
this.sidePanel.frame.appendChild(this.yAxis.getFrame()); |
|
|
this.sidePanel.frame.appendChild(this.yAxis.getFrame()); |
|
|
|
|
|
|
|
|
} |
|
|
} |
|
|
|
|
|
|
|
|
Linegraph.prototype.setData = function() { |
|
|
Linegraph.prototype.setData = function() { |
|
|
var data = []; |
|
|
|
|
|
|
|
|
|
|
|
this.yAxis.repaint(); |
|
|
|
|
|
|
|
|
if (this.width != 0) { |
|
|
|
|
|
var dataview = new DataView(this.timeline.itemsData, |
|
|
|
|
|
{filter: function (item) {return (item.value);}}) |
|
|
|
|
|
|
|
|
this.startTime = this.range.start; |
|
|
|
|
|
var min = Date.now() - 3600000 * 24 * 30; |
|
|
|
|
|
var max = Date.now() + 3600000 * 24 * 10; |
|
|
|
|
|
var count = 60; |
|
|
|
|
|
var step = (max-min) / count; |
|
|
|
|
|
|
|
|
var datapoints = dataview.get(); |
|
|
|
|
|
if (datapoints != null) { |
|
|
|
|
|
if (datapoints.length > 0) { |
|
|
|
|
|
var dataset = this._extractData(datapoints); |
|
|
|
|
|
var data = dataset.data; |
|
|
|
|
|
|
|
|
var range = this.range.end - this.range.start; |
|
|
|
|
|
|
|
|
console.log("height",data,datapoints, dataset); |
|
|
|
|
|
|
|
|
|
|
|
this.yAxis.setRange({start:dataset.range.low,end:dataset.range.high}); |
|
|
|
|
|
this.yAxis.repaint(); |
|
|
|
|
|
data = this.yAxis.convertValues(data); |
|
|
|
|
|
|
|
|
if (this.width != 0) { |
|
|
|
|
|
var rangePerPixel = range/this.width; |
|
|
|
|
|
var rangePerPixelInv = this.width/range; |
|
|
|
|
|
var xOffset = -this.range.start + this.width*rangePerPixel; |
|
|
|
|
|
|
|
|
var d, d2, d3; |
|
|
|
|
|
d = this._catmullRom(data,0.5); |
|
|
|
|
|
d3 = this._catmullRom(data,0); |
|
|
|
|
|
d2 = this._catmullRom(data,1); |
|
|
|
|
|
|
|
|
for (var i = 0; i < count; i++) { |
|
|
|
|
|
data.push({x:(min + i*step + xOffset) * rangePerPixelInv, y: 250*(i%2) + 25}) |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
// catmull rom
|
|
|
|
|
|
var p0, p1, p2, p3, bp1, bp2, bp3; |
|
|
|
|
|
var d2 = "M" + data[0].x + "," + data[0].y + " "; |
|
|
|
|
|
for (var i = 0; i < data.length - 2; i++) { |
|
|
|
|
|
if (i == 0) { |
|
|
|
|
|
p0 = data[0] |
|
|
|
|
|
} |
|
|
|
|
|
else { |
|
|
|
|
|
p0 = data[i-1]; |
|
|
|
|
|
} |
|
|
|
|
|
p1 = data[i]; |
|
|
|
|
|
p2 = data[i+1]; |
|
|
|
|
|
p3 = data[i+2]; |
|
|
|
|
|
|
|
|
// var data2 = [];
|
|
|
|
|
|
// this.startTime = this.range.start;
|
|
|
|
|
|
// var min = Date.now() - 3600000 * 24 * 30;
|
|
|
|
|
|
// var max = Date.now() + 3600000 * 24 * 10;
|
|
|
|
|
|
// var count = 60;
|
|
|
|
|
|
// var step = (max-min) / count;
|
|
|
|
|
|
//
|
|
|
|
|
|
// var range = this.range.end - this.range.start;
|
|
|
|
|
|
// var rangePerPixel = range/this.width;
|
|
|
|
|
|
// var rangePerPixelInv = this.width/range;
|
|
|
|
|
|
// var xOffset = -this.range.start + this.width*rangePerPixel;
|
|
|
|
|
|
//
|
|
|
|
|
|
// for (var i = 0; i < count; i++) {
|
|
|
|
|
|
// data2.push({x:(min + i*step + xOffset) * rangePerPixelInv, y: 250*(i%2) + 25})
|
|
|
|
|
|
// }
|
|
|
|
|
|
//
|
|
|
|
|
|
// var d2 = this._catmullRom(data2);
|
|
|
|
|
|
|
|
|
// Catmull-Rom to Cubic Bezier conversion matrix
|
|
|
|
|
|
// 0 1 0 0
|
|
|
|
|
|
// -1/6 1 1/6 0
|
|
|
|
|
|
// 0 1/6 1 -1/6
|
|
|
|
|
|
// 0 0 1 0
|
|
|
|
|
|
|
|
|
|
|
|
// bp0 = { x: p1.x, y: p1.y };
|
|
|
|
|
|
bp1 = { x: ((-p0.x + 6*p1.x + p2.x) / 6), y: ((-p0.y + 6*p1.y + p2.y) / 6)}; |
|
|
|
|
|
bp2 = { x: ((p1.x + 6*p2.x - p3.x) / 6), y: ((p1.y + 6*p2.y - p3.y) / 6)}; |
|
|
|
|
|
bp3 = { x: p2.x, y: p2.y }; |
|
|
|
|
|
|
|
|
|
|
|
d2 += "C" + bp1.x + "," + bp1.y + " " + bp2.x + "," + bp2.y + " " + bp3.x + "," + bp3.y + " "; |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// linear
|
|
|
|
|
|
var d = ""; |
|
|
|
|
|
for (var i = 0; i < data.length - 1; i++) { |
|
|
|
|
|
if (i == 0) { |
|
|
|
|
|
d += "M" + data[i].x + "," + data[i].y; |
|
|
|
|
|
} |
|
|
|
|
|
else { |
|
|
|
|
|
d += " " + data[i].x + "," + data[i].y; |
|
|
|
|
|
|
|
|
this.path.setAttributeNS(null, "d",d); |
|
|
|
|
|
this.path2.setAttributeNS(null, "d",d2); |
|
|
|
|
|
this.path3.setAttributeNS(null, "d",d3); |
|
|
} |
|
|
} |
|
|
} |
|
|
} |
|
|
|
|
|
|
|
|
this.path.setAttributeNS(null, "d",d); |
|
|
|
|
|
this.path2.setAttributeNS(null, "d",d2); |
|
|
|
|
|
} |
|
|
} |
|
|
} |
|
|
} |
|
|
|
|
|
|
|
|
@ -5584,7 +5585,7 @@ Linegraph.prototype.setData = function() { |
|
|
* Alignment for the items, only applicable for |
|
|
* Alignment for the items, only applicable for |
|
|
* ItemBox. Choose 'center' (default), 'left', or |
|
|
* ItemBox. Choose 'center' (default), 'left', or |
|
|
* 'right'. |
|
|
* 'right'. |
|
|
* {String} orientation |
|
|
|
|
|
|
|
|
* {String} orientation |
|
|
* Orientation of the item set. Choose 'top' or |
|
|
* Orientation of the item set. Choose 'top' or |
|
|
* 'bottom' (default). |
|
|
* 'bottom' (default). |
|
|
* {Number} margin.axis |
|
|
* {Number} margin.axis |
|
|
@ -5604,6 +5605,159 @@ Linegraph.prototype.setOptions = function(options) { |
|
|
}; |
|
|
}; |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Linegraph.prototype._extractData = function(dataset) { |
|
|
|
|
|
var extractedData = []; |
|
|
|
|
|
var low = dataset[0].value; |
|
|
|
|
|
var high = dataset[0].value; |
|
|
|
|
|
|
|
|
|
|
|
var range = this.range.end - this.range.start; |
|
|
|
|
|
var rangePerPixel = range/this.width; |
|
|
|
|
|
var rangePerPixelInv = this.width/range; |
|
|
|
|
|
var xOffset = -this.range.start + this.width*rangePerPixel; |
|
|
|
|
|
|
|
|
|
|
|
for (var i = 0; i < dataset.length; i++) { |
|
|
|
|
|
var val = new Date(dataset[i].start).getTime(); |
|
|
|
|
|
|
|
|
|
|
|
val += xOffset; |
|
|
|
|
|
val *= rangePerPixelInv; |
|
|
|
|
|
|
|
|
|
|
|
extractedData.push({x:val, y:dataset[i].value}); |
|
|
|
|
|
|
|
|
|
|
|
if (low > dataset[i].value) { |
|
|
|
|
|
low = dataset[i].value; |
|
|
|
|
|
} |
|
|
|
|
|
if (high < dataset[i].value) { |
|
|
|
|
|
high = dataset[i].value; |
|
|
|
|
|
} |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
//extractedData.sort(function (a,b) {return a.x - b.x;})
|
|
|
|
|
|
return {range:{low:low,high:high},data:extractedData}; |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
Linegraph.prototype._catmullRomUniform = function(data) { |
|
|
|
|
|
// catmull rom
|
|
|
|
|
|
var p0, p1, p2, p3, bp1, bp2 |
|
|
|
|
|
var d = "M" + Math.round(data[0].x) + "," + Math.round(data[0].y) + " "; |
|
|
|
|
|
var normalization = 1/6; |
|
|
|
|
|
var length = data.length; |
|
|
|
|
|
for (var i = 0; i < length - 1; i++) { |
|
|
|
|
|
|
|
|
|
|
|
p0 = (i == 0) ? data[0] : data[i-1]; |
|
|
|
|
|
p1 = data[i]; |
|
|
|
|
|
p2 = data[i+1]; |
|
|
|
|
|
p3 = (i + 2 < length) ? data[i+2] : p2; |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// Catmull-Rom to Cubic Bezier conversion matrix
|
|
|
|
|
|
// 0 1 0 0
|
|
|
|
|
|
// -1/6 1 1/6 0
|
|
|
|
|
|
// 0 1/6 1 -1/6
|
|
|
|
|
|
// 0 0 1 0
|
|
|
|
|
|
|
|
|
|
|
|
// bp0 = { x: p1.x, y: p1.y };
|
|
|
|
|
|
bp1 = { x: ((-p0.x + 6*p1.x + p2.x) *normalization), y: ((-p0.y + 6*p1.y + p2.y) *normalization)}; |
|
|
|
|
|
bp2 = { x: (( p1.x + 6*p2.x - p3.x) *normalization), y: (( p1.y + 6*p2.y - p3.y) *normalization)}; |
|
|
|
|
|
// bp0 = { x: p2.x, y: p2.y };
|
|
|
|
|
|
|
|
|
|
|
|
d += "C" + |
|
|
|
|
|
Math.round(bp1.x) + "," + |
|
|
|
|
|
Math.round(bp1.y) + " " + |
|
|
|
|
|
Math.round(bp2.x) + "," + |
|
|
|
|
|
Math.round(bp2.y) + " " + |
|
|
|
|
|
Math.round(p2.x) + "," + |
|
|
|
|
|
Math.round(p2.y) + " "; |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
return d; |
|
|
|
|
|
}; |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Linegraph.prototype._catmullRom = function(data, alpha) { |
|
|
|
|
|
if (alpha == 0 || alpha === undefined) { |
|
|
|
|
|
return this._catmullRomUniform(data); |
|
|
|
|
|
} |
|
|
|
|
|
else { |
|
|
|
|
|
var p0, p1, p2, p3, bp1, bp2, d1,d2,d3, A, B, N, M; |
|
|
|
|
|
var d3powA, d2powA, d3pow2A, d2pow2A, d1pow2A, d1powA; |
|
|
|
|
|
var d = "M" + Math.round(data[0].x) + "," + Math.round(data[0].y) + " "; |
|
|
|
|
|
var length = data.length; |
|
|
|
|
|
for (var i = 0; i < length - 1; i++) { |
|
|
|
|
|
|
|
|
|
|
|
p0 = (i == 0) ? data[0] : data[i-1]; |
|
|
|
|
|
p1 = data[i]; |
|
|
|
|
|
p2 = data[i+1]; |
|
|
|
|
|
p3 = (i + 2 < length) ? data[i+2] : p2; |
|
|
|
|
|
|
|
|
|
|
|
d1 = Math.sqrt(Math.pow(p0.x - p1.x,2) + Math.pow(p0.y - p1.y,2)); |
|
|
|
|
|
d2 = Math.sqrt(Math.pow(p1.x - p2.x,2) + Math.pow(p1.y - p2.y,2)); |
|
|
|
|
|
d3 = Math.sqrt(Math.pow(p2.x - p3.x,2) + Math.pow(p2.y - p3.y,2)); |
|
|
|
|
|
|
|
|
|
|
|
// Catmull-Rom to Cubic Bezier conversion matrix
|
|
|
|
|
|
//
|
|
|
|
|
|
// A = 2d1^2a + 3d1^a * d2^a + d3^2a
|
|
|
|
|
|
// B = 2d3^2a + 3d3^a * d2^a + d2^2a
|
|
|
|
|
|
//
|
|
|
|
|
|
// [ 0 1 0 0 ]
|
|
|
|
|
|
// [ -d2^2a/N A/N d1^2a/N 0 ]
|
|
|
|
|
|
// [ 0 d3^2a/M B/M -d2^2a/M ]
|
|
|
|
|
|
// [ 0 0 1 0 ]
|
|
|
|
|
|
|
|
|
|
|
|
// [ 0 1 0 0 ]
|
|
|
|
|
|
// [ -d2pow2a/N A/N d1pow2a/N 0 ]
|
|
|
|
|
|
// [ 0 d3pow2a/M B/M -d2pow2a/M ]
|
|
|
|
|
|
// [ 0 0 1 0 ]
|
|
|
|
|
|
|
|
|
|
|
|
d3powA = Math.pow(d3, alpha); |
|
|
|
|
|
d3pow2A = Math.pow(d3,2*alpha); |
|
|
|
|
|
d2powA = Math.pow(d2, alpha); |
|
|
|
|
|
d2pow2A = Math.pow(d2,2*alpha); |
|
|
|
|
|
d1powA = Math.pow(d1, alpha); |
|
|
|
|
|
d1pow2A = Math.pow(d1,2*alpha); |
|
|
|
|
|
|
|
|
|
|
|
A = 2*d1pow2A + 3*d1powA * d2powA + d2pow2A; |
|
|
|
|
|
B = 2*d3pow2A + 3*d3powA * d2powA + d2pow2A; |
|
|
|
|
|
N = 3*d1powA * (d1powA + d2powA); |
|
|
|
|
|
if (N > 0) {N = 1 / N;} |
|
|
|
|
|
M = 3*d3powA * (d3powA + d2powA); |
|
|
|
|
|
if (M > 0) {M = 1 / M;} |
|
|
|
|
|
|
|
|
|
|
|
bp1 = { x: ((-d2pow2A * p0.x + A*p1.x + d1pow2A * p2.x) * N), |
|
|
|
|
|
y: ((-d2pow2A * p0.y + A*p1.y + d1pow2A * p2.y) * N)}; |
|
|
|
|
|
|
|
|
|
|
|
bp2 = { x: (( d3pow2A * p1.x + B*p2.x - d2pow2A * p3.x) * M), |
|
|
|
|
|
y: (( d3pow2A * p1.y + B*p2.y - d2pow2A * p3.y) * M)}; |
|
|
|
|
|
|
|
|
|
|
|
if (bp1.x == 0 && bp1.y == 0) {bp1 = p1;} |
|
|
|
|
|
if (bp2.x == 0 && bp2.y == 0) {bp2 = p2;} |
|
|
|
|
|
d += "C" + |
|
|
|
|
|
Math.round(bp1.x) + "," + |
|
|
|
|
|
Math.round(bp1.y) + " " + |
|
|
|
|
|
Math.round(bp2.x) + "," + |
|
|
|
|
|
Math.round(bp2.y) + " " + |
|
|
|
|
|
Math.round(p2.x) + "," + |
|
|
|
|
|
Math.round(p2.y) + " "; |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
return d; |
|
|
|
|
|
} |
|
|
|
|
|
}; |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Linegraph.prototype._linear = function(data) { |
|
|
|
|
|
// linear
|
|
|
|
|
|
var d = ""; |
|
|
|
|
|
for (var i = 0; i < data.length; i++) { |
|
|
|
|
|
if (i == 0) { |
|
|
|
|
|
d += "M" + data[i].x + "," + data[i].y; |
|
|
|
|
|
} |
|
|
|
|
|
else { |
|
|
|
|
|
d += " " + data[i].x + "," + data[i].y; |
|
|
|
|
|
} |
|
|
|
|
|
} |
|
|
|
|
|
return d; |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
/** |
|
|
/** |
|
|
* Set range (start and end). |
|
|
* Set range (start and end). |
|
|
* @param {Range | Object} range A Range or an object containing start and end. |
|
|
* @param {Range | Object} range A Range or an object containing start and end. |
|
|
|
Alex de Mulder
10 years ago