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/*** jqPlot* Pure JavaScript plotting plugin using jQuery** Version: 1.0.8* Revision: 1250** Copyright (c) 2009-2013 Chris Leonello* jqPlot is currently available for use in all personal or commercial projects* under both the MIT (http://www.opensource.org/licenses/mit-license.php) and GPL* version 2.0 (http://www.gnu.org/licenses/gpl-2.0.html) licenses. This means that you can* choose the license that best suits your project and use it accordingly.** Although not required, the author would appreciate an email letting him* know of any substantial use of jqPlot. You can reach the author at:* chris at jqplot dot com or see http://www.jqplot.com/info.php .** If you are feeling kind and generous, consider supporting the project by* making a donation at: http://www.jqplot.com/donate.php .** sprintf functions contained in jqplot.sprintf.js by Ash Searle:** version 2007.04.27* author Ash Searle* http://hexmen.com/blog/2007/03/printf-sprintf/* http://hexmen.com/js/sprintf.js* The author (Ash Searle) has placed this code in the public domain:* "This code is unrestricted: you are free to use it however you like."**/(function($) {/*** Class: $.jqplot.MeterGaugeRenderer* Plugin renderer to draw a meter gauge chart.** Data consists of a single series with 1 data point to position the gauge needle.** To use this renderer, you need to include the* meter gauge renderer plugin, for example:** > <script type="text/javascript" src="plugins/jqplot.meterGaugeRenderer.js"></script>** Properties described here are passed into the $.jqplot function* as options on the series renderer. For example:** > plot0 = $.jqplot('chart0',[[18]],{* > title: 'Network Speed',* > seriesDefaults: {* > renderer: $.jqplot.MeterGaugeRenderer,* > rendererOptions: {* > label: 'MB/s'* > }* > }* > });** A meterGauge plot does not support events.*/$.jqplot.MeterGaugeRenderer = function(){$.jqplot.LineRenderer.call(this);};$.jqplot.MeterGaugeRenderer.prototype = new $.jqplot.LineRenderer();$.jqplot.MeterGaugeRenderer.prototype.constructor = $.jqplot.MeterGaugeRenderer;// called with scope of a series$.jqplot.MeterGaugeRenderer.prototype.init = function(options) {// Group: Properties//// prop: diameter// Outer diameter of the meterGauge, auto computed by defaultthis.diameter = null;// prop: padding// padding between the meterGauge and plot edges, auto// calculated by default.this.padding = null;// prop: shadowOffset// offset of the shadow from the gauge ring and offset of// each succesive stroke of the shadow from the last.this.shadowOffset = 2;// prop: shadowAlpha// transparency of the shadow (0 = transparent, 1 = opaque)this.shadowAlpha = 0.07;// prop: shadowDepth// number of strokes to apply to the shadow,// each stroke offset shadowOffset from the last.this.shadowDepth = 4;// prop: background// background color of the inside of the gauge.this.background = "#efefef";// prop: ringColor// color of the outer ring, hub, and needle of the gauge.this.ringColor = "#BBC6D0";// needle color not implemented yet.this.needleColor = "#C3D3E5";// prop: tickColor// color of the tick marks around the gauge.this.tickColor = "#989898";// prop: ringWidth// width of the ring around the gauge. Auto computed by default.this.ringWidth = null;// prop: min// Minimum value on the gauge. Auto computed by defaultthis.min;// prop: max// Maximum value on the gauge. Auto computed by defaultthis.max;// prop: ticks// Array of tick values. Auto computed by default.this.ticks = [];// prop: showTicks// true to show ticks around gauge.this.showTicks = true;// prop: showTickLabels// true to show tick labels next to ticks.this.showTickLabels = true;// prop: label// A gauge label like 'kph' or 'Volts'this.label = null;// prop: labelHeightAdjust// Number of Pixels to offset the label up (-) or down (+) from its default position.this.labelHeightAdjust = 0;// prop: labelPosition// Where to position the label, either 'inside' or 'bottom'.this.labelPosition = 'inside';// prop: intervals// Array of ranges to be drawn around the gauge.// Array of form:// > [value1, value2, ...]// indicating the values for the first, second, ... intervals.this.intervals = [];// prop: intervalColors// Array of colors to use for the intervals.this.intervalColors = [ "#4bb2c5", "#EAA228", "#c5b47f", "#579575", "#839557", "#958c12", "#953579", "#4b5de4", "#d8b83f", "#ff5800", "#0085cc", "#c747a3", "#cddf54", "#FBD178", "#26B4E3", "#bd70c7"];// prop: intervalInnerRadius// Radius of the inner circle of the interval ring.this.intervalInnerRadius = null;// prop: intervalOuterRadius// Radius of the outer circle of the interval ring.this.intervalOuterRadius = null;this.tickRenderer = $.jqplot.MeterGaugeTickRenderer;// ticks spaced every 1, 2, 2.5, 5, 10, 20, .1, .2, .25, .5, etc.this.tickPositions = [1, 2, 2.5, 5, 10];// prop: tickSpacing// Degrees between ticks. This is a target number, if// incompatible span and ticks are supplied, a suitable// spacing close to this value will be computed.this.tickSpacing = 30;this.numberMinorTicks = null;// prop: hubRadius// Radius of the hub at the bottom center of gauge which the needle attaches to.// Auto computed by defaultthis.hubRadius = null;// prop: tickPadding// padding of the tick marks to the outer ring and the tick labels to marks.// Auto computed by default.this.tickPadding = null;// prop: needleThickness// Maximum thickness the needle. Auto computed by default.this.needleThickness = null;// prop: needlePad// Padding between needle and inner edge of the ring when the needle is at the min or max gauge value.this.needlePad = 6;// prop: pegNeedle// True will stop needle just below/above the min/max values if data is below/above min/max,// as if the meter is "pegged".this.pegNeedle = true;this._type = 'meterGauge';$.extend(true, this, options);this.type = null;this.numberTicks = null;this.tickInterval = null;// span, the sweep (in degrees) from min to max. This gauge is// a semi-circle.this.span = 180;// get rid of this nonsense// this.innerSpan = this.span;if (this.type == 'circular') {this.semiCircular = false;}else if (this.type != 'circular') {this.semiCircular = true;}else {this.semiCircular = (this.span <= 180) ? true : false;}this._tickPoints = [];// reference to label element.this._labelElem = null;// start the gauge at the beginning of the spanthis.startAngle = (90 + (360 - this.span)/2) * Math.PI/180;this.endAngle = (90 - (360 - this.span)/2) * Math.PI/180;this.setmin = !!(this.min == null);this.setmax = !!(this.max == null);// if given intervals and is an array of values, create labels and colors.if (this.intervals.length) {if (this.intervals[0].length == null || this.intervals.length == 1) {for (var i=0; i<this.intervals.length; i++) {this.intervals[i] = [this.intervals[i], this.intervals[i], this.intervalColors[i]];}}else if (this.intervals[0].length == 2) {for (i=0; i<this.intervals.length; i++) {this.intervals[i] = [this.intervals[i][0], this.intervals[i][1], this.intervalColors[i]];}}}// compute min, max and ticks if not supplied:if (this.ticks.length) {if (this.ticks[0].length == null || this.ticks[0].length == 1) {for (var i=0; i<this.ticks.length; i++) {this.ticks[i] = [this.ticks[i], this.ticks[i]];}}this.min = (this.min == null) ? this.ticks[0][0] : this.min;this.max = (this.max == null) ? this.ticks[this.ticks.length-1][0] : this.max;this.setmin = false;this.setmax = false;this.numberTicks = this.ticks.length;this.tickInterval = this.ticks[1][0] - this.ticks[0][0];this.tickFactor = Math.floor(parseFloat((Math.log(this.tickInterval)/Math.log(10)).toFixed(11)));// use the first interal to calculate minor ticks;this.numberMinorTicks = getnmt(this.tickPositions, this.tickInterval, this.tickFactor);if (!this.numberMinorTicks) {this.numberMinorTicks = getnmt(this.tickPositions, this.tickInterval, this.tickFactor-1);}if (!this.numberMinorTicks) {this.numberMinorTicks = 1;}}else if (this.intervals.length) {this.min = (this.min == null) ? 0 : this.min;this.setmin = false;if (this.max == null) {if (this.intervals[this.intervals.length-1][0] >= this.data[0][1]) {this.max = this.intervals[this.intervals.length-1][0];this.setmax = false;}}else {this.setmax = false;}}else {// no ticks and no intervals supplied, put needle in middlethis.min = (this.min == null) ? 0 : this.min;this.setmin = false;if (this.max == null) {this.max = this.data[0][1] * 1.25;this.setmax = true;}else {this.setmax = false;}}};$.jqplot.MeterGaugeRenderer.prototype.setGridData = function(plot) {// set gridData property. This will hold angle in radians of each data point.var stack = [];var td = [];var sa = this.startAngle;for (var i=0; i<this.data.length; i++){stack.push(this.data[i][1]);td.push([this.data[i][0]]);if (i>0) {stack[i] += stack[i-1];}}var fact = Math.PI*2/stack[stack.length - 1];for (var i=0; i<stack.length; i++) {td[i][1] = stack[i] * fact;}this.gridData = td;};$.jqplot.MeterGaugeRenderer.prototype.makeGridData = function(data, plot) {var stack = [];var td = [];var sa = this.startAngle;for (var i=0; i<data.length; i++){stack.push(data[i][1]);td.push([data[i][0]]);if (i>0) {stack[i] += stack[i-1];}}var fact = Math.PI*2/stack[stack.length - 1];for (var i=0; i<stack.length; i++) {td[i][1] = stack[i] * fact;}return td;};function getnmt(pos, interval, fact) {var temp;for (var i=pos.length-1; i>=0; i--) {temp = interval/(pos[i] * Math.pow(10, fact));if (temp == 4 || temp == 5) {return temp - 1;}}return null;}// called with scope of series$.jqplot.MeterGaugeRenderer.prototype.draw = function (ctx, gd, options) {var i;var opts = (options != undefined) ? options : {};// offset and direction of offset due to legend placementvar offx = 0;var offy = 0;var trans = 1;if (options.legendInfo && options.legendInfo.placement == 'inside') {var li = options.legendInfo;switch (li.location) {case 'nw':offx = li.width + li.xoffset;break;case 'w':offx = li.width + li.xoffset;break;case 'sw':offx = li.width + li.xoffset;break;case 'ne':offx = li.width + li.xoffset;trans = -1;break;case 'e':offx = li.width + li.xoffset;trans = -1;break;case 'se':offx = li.width + li.xoffset;trans = -1;break;case 'n':offy = li.height + li.yoffset;break;case 's':offy = li.height + li.yoffset;trans = -1;break;default:break;}}// pre-draw so can get its dimensions.if (this.label) {this._labelElem = $('<div class="jqplot-meterGauge-label" style="position:absolute;">'+this.label+'</div>');this.canvas._elem.after(this._labelElem);}var shadow = (opts.shadow != undefined) ? opts.shadow : this.shadow;var showLine = (opts.showLine != undefined) ? opts.showLine : this.showLine;var fill = (opts.fill != undefined) ? opts.fill : this.fill;var cw = ctx.canvas.width;var ch = ctx.canvas.height;if (this.padding == null) {this.padding = Math.round(Math.min(cw, ch)/30);}var w = cw - offx - 2 * this.padding;var h = ch - offy - 2 * this.padding;if (this.labelPosition == 'bottom' && this.label) {h -= this._labelElem.outerHeight(true);}var mindim = Math.min(w,h);var d = mindim;if (!this.diameter) {if (this.semiCircular) {if ( w >= 2*h) {if (!this.ringWidth) {this.ringWidth = 2*h/35;}this.needleThickness = this.needleThickness || 2+Math.pow(this.ringWidth, 0.8);this.innerPad = this.ringWidth/2 + this.needleThickness/2 + this.needlePad;this.diameter = 2 * (h - 2*this.innerPad);}else {if (!this.ringWidth) {this.ringWidth = w/35;}this.needleThickness = this.needleThickness || 2+Math.pow(this.ringWidth, 0.8);this.innerPad = this.ringWidth/2 + this.needleThickness/2 + this.needlePad;this.diameter = w - 2*this.innerPad - this.ringWidth - this.padding;}// center taking into account legend and over draw for gauge bottom below hub.// this will be center of hub.this._center = [(cw - trans * offx)/2 + trans * offx, (ch + trans*offy - this.padding - this.ringWidth - this.innerPad)];}else {if (!this.ringWidth) {this.ringWidth = d/35;}this.needleThickness = this.needleThickness || 2+Math.pow(this.ringWidth, 0.8);this.innerPad = 0;this.diameter = d - this.ringWidth;// center in middle of canvas taking into account legend.// will be center of hub.this._center = [(cw-trans*offx)/2 + trans * offx, (ch-trans*offy)/2 + trans * offy];}if (this._labelElem && this.labelPosition == 'bottom') {this._center[1] -= this._labelElem.outerHeight(true);}}this._radius = this.diameter/2;this.tickSpacing = 6000/this.diameter;if (!this.hubRadius) {this.hubRadius = this.diameter/18;}this.shadowOffset = 0.5 + this.ringWidth/9;this.shadowWidth = this.ringWidth*1;this.tickPadding = 3 + Math.pow(this.diameter/20, 0.7);this.tickOuterRadius = this._radius - this.ringWidth/2 - this.tickPadding;this.tickLength = (this.showTicks) ? this._radius/13 : 0;if (this.ticks.length == 0) {// no ticks, lets make some.var max = this.max,min = this.min,setmax = this.setmax,setmin = this.setmin,ti = (max - min) * this.tickSpacing / this.span;var tf = Math.floor(parseFloat((Math.log(ti)/Math.log(10)).toFixed(11)));var tp = (ti/Math.pow(10, tf));(tp > 2 && tp <= 2.5) ? tp = 2.5 : tp = Math.ceil(tp);var t = this.tickPositions;var tpindex, nt;for (i=0; i<t.length; i++) {if (tp == t[i] || i && t[i-1] < tp && tp < t[i]) {ti = t[i]*Math.pow(10, tf);tpindex = i;}}for (i=0; i<t.length; i++) {if (tp == t[i] || i && t[i-1] < tp && tp < t[i]) {ti = t[i]*Math.pow(10, tf);nt = Math.ceil((max - min) / ti);}}// both max and min are freeif (setmax && setmin) {var tmin = (min > 0) ? min - min % ti : min - min % ti - ti;if (!this.forceZero) {var diff = Math.min(min - tmin, 0.8*ti);var ntp = Math.floor(diff/t[tpindex]);if (ntp > 1) {tmin = tmin + t[tpindex] * (ntp-1);if (parseInt(tmin, 10) != tmin && parseInt(tmin-t[tpindex], 10) == tmin-t[tpindex]) {tmin = tmin - t[tpindex];}}}if (min == tmin) {min -= ti;}else {// tmin should always be lower than dataMinif (min - tmin > 0.23*ti) {min = tmin;}else {min = tmin -ti;nt += 1;}}nt += 1;var tmax = min + (nt - 1) * ti;if (max >= tmax) {tmax += ti;nt += 1;}// now tmax should always be mroe than dataMaxif (tmax - max < 0.23*ti) {tmax += ti;nt += 1;}this.max = max = tmax;this.min = min;this.tickInterval = ti;this.numberTicks = nt;var it;for (i=0; i<nt; i++) {it = parseFloat((min+i*ti).toFixed(11));this.ticks.push([it, it]);}this.max = this.ticks[nt-1][1];this.tickFactor = tf;// determine number of minor ticksthis.numberMinorTicks = getnmt(this.tickPositions, this.tickInterval, this.tickFactor);if (!this.numberMinorTicks) {this.numberMinorTicks = getnmt(this.tickPositions, this.tickInterval, this.tickFactor-1);}}// max is free, min is fixedelse if (setmax) {var tmax = min + (nt - 1) * ti;if (max >= tmax) {max = tmax + ti;nt += 1;}else {max = tmax;}this.tickInterval = this.tickInterval || ti;this.numberTicks = this.numberTicks || nt;var it;for (i=0; i<this.numberTicks; i++) {it = parseFloat((min+i*this.tickInterval).toFixed(11));this.ticks.push([it, it]);}this.max = this.ticks[this.numberTicks-1][1];this.tickFactor = tf;// determine number of minor ticksthis.numberMinorTicks = getnmt(this.tickPositions, this.tickInterval, this.tickFactor);if (!this.numberMinorTicks) {this.numberMinorTicks = getnmt(this.tickPositions, this.tickInterval, this.tickFactor-1);}}// not setting max or minif (!setmax && !setmin) {var range = this.max - this.min;tf = Math.floor(parseFloat((Math.log(range)/Math.log(10)).toFixed(11))) - 1;var nticks = [5,6,4,7,3,8,9,10,2], res, numticks, nonSigDigits=0, sigRange;// check to see how many zeros are at the end of the rangeif (range > 1) {var rstr = String(range);if (rstr.search(/\./) == -1) {var pos = rstr.search(/0+$/);nonSigDigits = (pos > 0) ? rstr.length - pos - 1 : 0;}}sigRange = range/Math.pow(10, nonSigDigits);for (i=0; i<nticks.length; i++) {res = sigRange/(nticks[i]-1);if (res == parseInt(res, 10)) {this.numberTicks = nticks[i];this.tickInterval = range/(this.numberTicks-1);this.tickFactor = tf+1;break;}}var it;for (i=0; i<this.numberTicks; i++) {it = parseFloat((this.min+i*this.tickInterval).toFixed(11));this.ticks.push([it, it]);}// determine number of minor ticksthis.numberMinorTicks = getnmt(this.tickPositions, this.tickInterval, this.tickFactor);if (!this.numberMinorTicks) {this.numberMinorTicks = getnmt(this.tickPositions, this.tickInterval, this.tickFactor-1);}if (!this.numberMinorTicks) {this.numberMinorTicks = 1;var nums = [4, 5, 3, 6, 2];for (i=0; i<5; i++) {var temp = this.tickInterval/nums[i];if (temp == parseInt(temp, 10)) {this.numberMinorTicks = nums[i]-1;break;}}}}}var r = this._radius,sa = this.startAngle,ea = this.endAngle,pi = Math.PI,hpi = Math.PI/2;if (this.semiCircular) {var overAngle = Math.atan(this.innerPad/r),outersa = this.outerStartAngle = sa - overAngle,outerea = this.outerEndAngle = ea + overAngle,hubsa = this.hubStartAngle = sa - Math.atan(this.innerPad/this.hubRadius*2),hubea = this.hubEndAngle = ea + Math.atan(this.innerPad/this.hubRadius*2);ctx.save();ctx.translate(this._center[0], this._center[1]);ctx.lineJoin = "round";ctx.lineCap = "round";// draw the innerbackgroundctx.save();ctx.beginPath();ctx.fillStyle = this.background;ctx.arc(0, 0, r, outersa, outerea, false);ctx.closePath();ctx.fill();ctx.restore();// draw the shadow// the outer ring.var shadowColor = 'rgba(0,0,0,'+this.shadowAlpha+')';ctx.save();for (var i=0; i<this.shadowDepth; i++) {ctx.translate(this.shadowOffset*Math.cos(this.shadowAngle/180*Math.PI), this.shadowOffset*Math.sin(this.shadowAngle/180*Math.PI));ctx.beginPath();ctx.strokeStyle = shadowColor;ctx.lineWidth = this.shadowWidth;ctx.arc(0 ,0, r, outersa, outerea, false);ctx.closePath();ctx.stroke();}ctx.restore();// the inner hub.ctx.save();var tempd = parseInt((this.shadowDepth+1)/2, 10);for (var i=0; i<tempd; i++) {ctx.translate(this.shadowOffset*Math.cos(this.shadowAngle/180*Math.PI), this.shadowOffset*Math.sin(this.shadowAngle/180*Math.PI));ctx.beginPath();ctx.fillStyle = shadowColor;ctx.arc(0 ,0, this.hubRadius, hubsa, hubea, false);ctx.closePath();ctx.fill();}ctx.restore();// draw the outer ring.ctx.save();ctx.beginPath();ctx.strokeStyle = this.ringColor;ctx.lineWidth = this.ringWidth;ctx.arc(0 ,0, r, outersa, outerea, false);ctx.closePath();ctx.stroke();ctx.restore();// draw the hubctx.save();ctx.beginPath();ctx.fillStyle = this.ringColor;ctx.arc(0 ,0, this.hubRadius,hubsa, hubea, false);ctx.closePath();ctx.fill();ctx.restore();// draw the ticksif (this.showTicks) {ctx.save();var orad = this.tickOuterRadius,tl = this.tickLength,mtl = tl/2,nmt = this.numberMinorTicks,ts = this.span * Math.PI / 180 / (this.ticks.length-1),mts = ts/(nmt + 1);for (i = 0; i<this.ticks.length; i++) {ctx.beginPath();ctx.lineWidth = 1.5 + this.diameter/360;ctx.strokeStyle = this.ringColor;var wps = ts*i+sa;ctx.moveTo(-orad * Math.cos(ts*i+sa), orad * Math.sin(ts*i+sa));ctx.lineTo(-(orad-tl) * Math.cos(ts*i+sa), (orad - tl) * Math.sin(ts*i+sa));this._tickPoints.push([(orad-tl) * Math.cos(ts*i+sa) + this._center[0] + this.canvas._offsets.left, (orad - tl) * Math.sin(ts*i+sa) + this._center[1] + this.canvas._offsets.top, ts*i+sa]);ctx.stroke();ctx.lineWidth = 1.0 + this.diameter/440;if (i<this.ticks.length-1) {for (var j=1; j<=nmt; j++) {ctx.beginPath();ctx.moveTo(-orad * Math.cos(ts*i+mts*j+sa), orad * Math.sin(ts*i+mts*j+sa));ctx.lineTo(-(orad-mtl) * Math.cos(ts*i+mts*j+sa), (orad-mtl) * Math.sin(ts*i+mts*j+sa));ctx.stroke();}}}ctx.restore();}// draw the tick labelsif (this.showTickLabels) {var elem, l, t, ew, eh, dim, maxdim=0;var tp = this.tickPadding * (1 - 1/(this.diameter/80+1));for (i=0; i<this.ticks.length; i++) {elem = $('<div class="jqplot-meterGauge-tick" style="position:absolute;">'+this.ticks[i][1]+'</div>');this.canvas._elem.after(elem);ew = elem.outerWidth(true);eh = elem.outerHeight(true);l = this._tickPoints[i][0] - ew * (this._tickPoints[i][2]-Math.PI)/Math.PI - tp * Math.cos(this._tickPoints[i][2]);t = this._tickPoints[i][1] - eh/2 + eh/2 * Math.pow(Math.abs((Math.sin(this._tickPoints[i][2]))), 0.5) + tp/3 * Math.pow(Math.abs((Math.sin(this._tickPoints[i][2]))), 0.5) ;// t = this._tickPoints[i][1] - eh/2 - eh/2 * Math.sin(this._tickPoints[i][2]) - tp/2 * Math.sin(this._tickPoints[i][2]);elem.css({left:l, top:t, color: this.tickColor});dim = ew*Math.cos(this._tickPoints[i][2]) + eh*Math.sin(Math.PI/2+this._tickPoints[i][2]/2);maxdim = (dim > maxdim) ? dim : maxdim;}}// draw the gauge labelif (this.label && this.labelPosition == 'inside') {var l = this._center[0] + this.canvas._offsets.left;var tp = this.tickPadding * (1 - 1/(this.diameter/80+1));var t = 0.5*(this._center[1] + this.canvas._offsets.top - this.hubRadius) + 0.5*(this._center[1] + this.canvas._offsets.top - this.tickOuterRadius + this.tickLength + tp) + this.labelHeightAdjust;// this._labelElem = $('<div class="jqplot-meterGauge-label" style="position:absolute;">'+this.label+'</div>');// this.canvas._elem.after(this._labelElem);l -= this._labelElem.outerWidth(true)/2;t -= this._labelElem.outerHeight(true)/2;this._labelElem.css({left:l, top:t});}else if (this.label && this.labelPosition == 'bottom') {var l = this._center[0] + this.canvas._offsets.left - this._labelElem.outerWidth(true)/2;var t = this._center[1] + this.canvas._offsets.top + this.innerPad + this.ringWidth + this.padding + this.labelHeightAdjust;this._labelElem.css({left:l, top:t});}// draw the intervalsctx.save();var inner = this.intervalInnerRadius || this.hubRadius * 1.5;if (this.intervalOuterRadius == null) {if (this.showTickLabels) {var outer = (this.tickOuterRadius - this.tickLength - this.tickPadding - this.diameter/8);}else {var outer = (this.tickOuterRadius - this.tickLength - this.diameter/16);}}else {var outer = this.intervalOuterRadius;}var range = this.max - this.min;var intrange = this.intervals[this.intervals.length-1] - this.min;var start, end, span = this.span*Math.PI/180;for (i=0; i<this.intervals.length; i++) {start = (i == 0) ? sa : sa + (this.intervals[i-1][0] - this.min)*span/range;if (start < 0) {start = 0;}end = sa + (this.intervals[i][0] - this.min)*span/range;if (end < 0) {end = 0;}ctx.beginPath();ctx.fillStyle = this.intervals[i][2];ctx.arc(0, 0, inner, start, end, false);ctx.lineTo(outer*Math.cos(end), outer*Math.sin(end));ctx.arc(0, 0, outer, end, start, true);ctx.lineTo(inner*Math.cos(start), inner*Math.sin(start));ctx.closePath();ctx.fill();}ctx.restore();// draw the needlevar datapoint = this.data[0][1];var dataspan = this.max - this.min;if (this.pegNeedle) {if (this.data[0][1] > this.max + dataspan*3/this.span) {datapoint = this.max + dataspan*3/this.span;}if (this.data[0][1] < this.min - dataspan*3/this.span) {datapoint = this.min - dataspan*3/this.span;}}var dataang = (datapoint - this.min)/dataspan * this.span * Math.PI/180 + this.startAngle;ctx.save();ctx.beginPath();ctx.fillStyle = this.ringColor;ctx.strokeStyle = this.ringColor;this.needleLength = (this.tickOuterRadius - this.tickLength) * 0.85;this.needleThickness = (this.needleThickness < 2) ? 2 : this.needleThickness;var endwidth = this.needleThickness * 0.4;var dl = this.needleLength/10;var dt = (this.needleThickness - endwidth)/10;var templ;for (var i=0; i<10; i++) {templ = this.needleThickness - i*dt;ctx.moveTo(dl*i*Math.cos(dataang), dl*i*Math.sin(dataang));ctx.lineWidth = templ;ctx.lineTo(dl*(i+1)*Math.cos(dataang), dl*(i+1)*Math.sin(dataang));ctx.stroke();}ctx.restore();}else {this._center = [(cw - trans * offx)/2 + trans * offx, (ch - trans*offy)/2 + trans * offy];}};$.jqplot.MeterGaugeAxisRenderer = function() {$.jqplot.LinearAxisRenderer.call(this);};$.jqplot.MeterGaugeAxisRenderer.prototype = new $.jqplot.LinearAxisRenderer();$.jqplot.MeterGaugeAxisRenderer.prototype.constructor = $.jqplot.MeterGaugeAxisRenderer;// There are no traditional axes on a gauge chart. We just need to provide// dummy objects with properties so the plot will render.// called with scope of axis object.$.jqplot.MeterGaugeAxisRenderer.prototype.init = function(options){//this.tickRenderer = $.jqplot.MeterGaugeTickRenderer;$.extend(true, this, options);// I don't think I'm going to need _dataBounds here.// have to go Axis scaling in a way to fit chart onto plot area// and provide u2p and p2u functionality for mouse cursor, etc.// for convienence set _dataBounds to 0 and 100 and// set min/max to 0 and 100.this._dataBounds = {min:0, max:100};this.min = 0;this.max = 100;this.showTicks = false;this.ticks = [];this.showMark = false;this.show = false;};$.jqplot.MeterGaugeLegendRenderer = function(){$.jqplot.TableLegendRenderer.call(this);};$.jqplot.MeterGaugeLegendRenderer.prototype = new $.jqplot.TableLegendRenderer();$.jqplot.MeterGaugeLegendRenderer.prototype.constructor = $.jqplot.MeterGaugeLegendRenderer;/*** Class: $.jqplot.MeterGaugeLegendRenderer*Meter gauges don't typically have a legend, this overrides the default legend renderer.*/$.jqplot.MeterGaugeLegendRenderer.prototype.init = function(options) {// Maximum number of rows in the legend. 0 or null for unlimited.this.numberRows = null;// Maximum number of columns in the legend. 0 or null for unlimited.this.numberColumns = null;$.extend(true, this, options);};// called with context of legend$.jqplot.MeterGaugeLegendRenderer.prototype.draw = function() {if (this.show) {var series = this._series;var ss = 'position:absolute;';ss += (this.background) ? 'background:'+this.background+';' : '';ss += (this.border) ? 'border:'+this.border+';' : '';ss += (this.fontSize) ? 'font-size:'+this.fontSize+';' : '';ss += (this.fontFamily) ? 'font-family:'+this.fontFamily+';' : '';ss += (this.textColor) ? 'color:'+this.textColor+';' : '';ss += (this.marginTop != null) ? 'margin-top:'+this.marginTop+';' : '';ss += (this.marginBottom != null) ? 'margin-bottom:'+this.marginBottom+';' : '';ss += (this.marginLeft != null) ? 'margin-left:'+this.marginLeft+';' : '';ss += (this.marginRight != null) ? 'margin-right:'+this.marginRight+';' : '';this._elem = $('<table class="jqplot-table-legend" style="'+ss+'"></table>');// MeterGauge charts legends don't go by number of series, but by number of data points// in the series. Refactor things here for that.var pad = false,reverse = false,nr, nc;var s = series[0];if (s.show) {var pd = s.data;if (this.numberRows) {nr = this.numberRows;if (!this.numberColumns){nc = Math.ceil(pd.length/nr);}else{nc = this.numberColumns;}}else if (this.numberColumns) {nc = this.numberColumns;nr = Math.ceil(pd.length/this.numberColumns);}else {nr = pd.length;nc = 1;}var i, j, tr, td1, td2, lt, rs, color;var idx = 0;for (i=0; i<nr; i++) {if (reverse){tr = $('<tr class="jqplot-table-legend"></tr>').prependTo(this._elem);}else{tr = $('<tr class="jqplot-table-legend"></tr>').appendTo(this._elem);}for (j=0; j<nc; j++) {if (idx < pd.length){// debuggerlt = this.labels[idx] || pd[idx][0].toString();color = s.color;if (!reverse){if (i>0){pad = true;}else{pad = false;}}else{if (i == nr -1){pad = false;}else{pad = true;}}rs = (pad) ? this.rowSpacing : '0';td1 = $('<td class="jqplot-table-legend" style="text-align:center;padding-top:'+rs+';">'+'<div><div class="jqplot-table-legend-swatch" style="border-color:'+color+';"></div>'+'</div></td>');td2 = $('<td class="jqplot-table-legend" style="padding-top:'+rs+';"></td>');if (this.escapeHtml){td2.text(lt);}else {td2.html(lt);}if (reverse) {td2.prependTo(tr);td1.prependTo(tr);}else {td1.appendTo(tr);td2.appendTo(tr);}pad = true;}idx++;}}}}return this._elem;};// setup default renderers for axes and legend so user doesn't have to// called with scope of plotfunction preInit(target, data, options) {// debuggeroptions = options || {};options.axesDefaults = options.axesDefaults || {};options.legend = options.legend || {};options.seriesDefaults = options.seriesDefaults || {};options.grid = options.grid || {};// only set these if there is a gauge seriesvar setopts = false;if (options.seriesDefaults.renderer == $.jqplot.MeterGaugeRenderer) {setopts = true;}else if (options.series) {for (var i=0; i < options.series.length; i++) {if (options.series[i].renderer == $.jqplot.MeterGaugeRenderer) {setopts = true;}}}if (setopts) {options.axesDefaults.renderer = $.jqplot.MeterGaugeAxisRenderer;options.legend.renderer = $.jqplot.MeterGaugeLegendRenderer;options.legend.preDraw = true;options.grid.background = options.grid.background || 'white';options.grid.drawGridlines = false;options.grid.borderWidth = (options.grid.borderWidth != null) ? options.grid.borderWidth : 0;options.grid.shadow = (options.grid.shadow != null) ? options.grid.shadow : false;}}// called with scope of plotfunction postParseOptions(options) {//}$.jqplot.preInitHooks.push(preInit);$.jqplot.postParseOptionsHooks.push(postParseOptions);$.jqplot.MeterGaugeTickRenderer = function() {$.jqplot.AxisTickRenderer.call(this);};$.jqplot.MeterGaugeTickRenderer.prototype = new $.jqplot.AxisTickRenderer();$.jqplot.MeterGaugeTickRenderer.prototype.constructor = $.jqplot.MeterGaugeTickRenderer;})(jQuery);