| /* |
| Copyright (c) 2004-2006, The Dojo Foundation |
| All Rights Reserved. |
| |
| Licensed under the Academic Free License version 2.1 or above OR the |
| modified BSD license. For more information on Dojo licensing, see: |
| |
| http://dojotoolkit.org/community/licensing.shtml |
| */ |
| |
| dojo.provide("dojo.charting.svg.Plotters"); |
| dojo.require("dojo.lang.common"); |
| |
| if(dojo.render.svg.capable){ |
| dojo.require("dojo.svg"); |
| |
| // TODO for 0.5: look at replacing manual plotting with dojo.gfx. |
| |
| // Mixin the SVG-specific plotter object. |
| dojo.mixin(dojo.charting.Plotters, { |
| /********************************************************* |
| * Grouped plotters: need all series on a plot at once. |
| *********************************************************/ |
| Bar: function( |
| /* dojo.charting.PlotArea */plotarea, |
| /* dojo.charting.Plot */plot, |
| /* object? */kwArgs, |
| /* function? */applyTo |
| ){ |
| // summary |
| // Plots a set of grouped bars. |
| // Bindings: y |
| var area = plotarea.getArea(); |
| var group = document.createElementNS(dojo.svg.xmlns.svg, "g"); |
| |
| // precompile the data |
| var n = plot.series.length; // how many series |
| var data = []; |
| for(var i=0; i<n; i++){ |
| var tmp = plot.series[i].data.evaluate(kwArgs); |
| data.push(tmp); |
| } |
| |
| // calculate the width of each bar. |
| var space = 8; |
| var nPoints = data[0].length; |
| var width = ((area.right-area.left)-(space*(nPoints-1)))/nPoints; // the width of each group. |
| var barWidth = width/n; // the width of each bar, no spaces. |
| var yOrigin = plot.axisY.getCoord(plot.axisX.origin, plotarea, plot); |
| |
| for(var i=0; i<nPoints; i++){ |
| // calculate offset |
| var xStart = area.left+(width*i)+(space*i); |
| for(var j=0; j<n; j++){ |
| var value = data[j][i].y; |
| var yA = yOrigin; |
| var x = xStart + (barWidth*j); |
| var y = plot.axisY.getCoord(value, plotarea, plot); |
| var h = Math.abs(yA-y); |
| if(value < plot.axisX.origin){ |
| yA = y; |
| y = yOrigin; |
| } |
| |
| var bar=document.createElementNS(dojo.svg.xmlns.svg, "rect"); |
| bar.setAttribute("fill", data[j][i].series.color); |
| bar.setAttribute("stroke-width", "0"); |
| bar.setAttribute("x", x); |
| bar.setAttribute("y", y); |
| bar.setAttribute("width", barWidth); |
| bar.setAttribute("height", h); |
| bar.setAttribute("fill-opacity", "0.6"); |
| if(applyTo){ applyTo(bar, data[j][i].src); } |
| group.appendChild(bar); |
| } |
| } |
| return group; // SVGGElement |
| }, |
| HorizontalBar: function( |
| /* dojo.charting.PlotArea */plotarea, |
| /* dojo.charting.Plot */plot, |
| /* object? */kwArgs, |
| /* function? */applyTo |
| ){ |
| // summary |
| // Plots data in a set of grouped bars horizontally. |
| // Bindings: y |
| var area = plotarea.getArea(); |
| var group = document.createElementNS(dojo.svg.xmlns.svg, "g"); |
| |
| // precompile the data |
| var n = plot.series.length; // how many series |
| var data = []; |
| for(var i=0; i<n; i++){ |
| var tmp = plot.series[i].data.evaluate(kwArgs); |
| data.push(tmp); |
| } |
| |
| var space = 6; |
| var nPoints = data[0].length; |
| var h = ((area.bottom-area.top)-(space*(nPoints-1)))/nPoints; |
| var barH = h/n; |
| var xOrigin = plot.axisX.getCoord(0, plotarea, plot); |
| |
| for(var i=0; i<nPoints; i++){ |
| // calculate offset |
| var yStart = area.top+(h*i)+(space*i); |
| for(var j=0; j<n; j++){ |
| var value = data[j][i].y; |
| var y = yStart + (barH*j); |
| var xA = xOrigin; |
| var x = plot.axisX.getCoord(value, plotarea, plot); |
| var w = Math.abs(x-xA); |
| if(value > 0){ |
| x = xOrigin; |
| } |
| |
| var bar=document.createElementNS(dojo.svg.xmlns.svg, "rect"); |
| bar.setAttribute("fill", data[j][i].series.color); |
| bar.setAttribute("stroke-width", "0"); |
| bar.setAttribute("x", xA); |
| bar.setAttribute("y", y); |
| bar.setAttribute("width", w); |
| bar.setAttribute("height", barH); |
| bar.setAttribute("fill-opacity", "0.6"); |
| if(applyTo){ applyTo(bar, data[j][i].src); } |
| group.appendChild(bar); |
| } |
| } |
| return group; // SVGGElement |
| }, |
| Gantt: function( |
| /* dojo.charting.PlotArea */plotarea, |
| /* dojo.charting.Plot */plot, |
| /* object? */kwArgs, |
| /* function? */applyTo |
| ){ |
| // summary |
| // Plots a grouped set of Gantt bars |
| // Bindings: high/low |
| var area = plotarea.getArea(); |
| var group = document.createElementNS(dojo.svg.xmlns.svg, "g"); |
| |
| // precompile the data |
| var n = plot.series.length; // how many series |
| var data = []; |
| for(var i=0; i<n; i++){ |
| var tmp = plot.series[i].data.evaluate(kwArgs); |
| data.push(tmp); |
| } |
| |
| var space = 2; |
| var nPoints = data[0].length; |
| var h = ((area.bottom-area.top)-(space*(nPoints-1)))/nPoints; |
| var barH = h/n; |
| for(var i=0; i<nPoints; i++){ |
| // calculate offset |
| var yStart = area.top+(h*i)+(space*i); |
| for(var j=0; j<n; j++){ |
| var high = data[j][i].high; |
| var low = data[j][i].low; |
| if(low > high){ |
| var t = high; |
| high = low; |
| low = t; |
| } |
| var x = plot.axisX.getCoord(low, plotarea, plot); |
| var w = plot.axisX.getCoord(high, plotarea, plot) - x; |
| var y = yStart + (barH*j); |
| |
| var bar=document.createElementNS(dojo.svg.xmlns.svg, "rect"); |
| bar.setAttribute("fill", data[j][i].series.color); |
| bar.setAttribute("stroke-width", "0"); |
| bar.setAttribute("x", x); |
| bar.setAttribute("y", y); |
| bar.setAttribute("width", w); |
| bar.setAttribute("height", barH); |
| bar.setAttribute("fill-opacity", "0.6"); |
| if(applyTo){ applyTo(bar, data[j][i].src); } |
| group.appendChild(bar); |
| } |
| } |
| return group; // SVGGElement |
| }, |
| StackedArea: function( |
| /* dojo.charting.PlotArea */plotarea, |
| /* dojo.charting.Plot */plot, |
| /* object? */kwArgs, |
| /* function? */applyTo |
| ){ |
| // summary |
| // Plots a set of stacked areas. |
| // Bindings: x/y |
| var area = plotarea.getArea(); |
| var group = document.createElementNS(dojo.svg.xmlns.svg, "g"); |
| |
| // precompile the data |
| var n = plot.series.length; // how many series |
| var data = []; |
| var totals = []; |
| |
| // we're assuming that all series for this plot has the name x assignment for now. |
| for(var i=0; i<n; i++){ |
| var tmp = plot.series[i].data.evaluate(kwArgs); |
| // run through and add current totals |
| for(var j=0; j<tmp.length; j++){ |
| if(i==0){ totals.push(tmp[j].y); } |
| else { totals[j] += tmp[j].y; } |
| tmp[j].y = totals[j]; |
| } |
| data.push(tmp); |
| } |
| |
| for(var i=n-1; i>=0; i--){ |
| var path = document.createElementNS(dojo.svg.xmlns.svg, "path"); |
| path.setAttribute("fill", data[i][0].series.color); |
| path.setAttribute("fill-opacity", "0.4"); |
| path.setAttribute("stroke", data[i][0].series.color); |
| path.setAttribute("stroke-width" , "1"); |
| path.setAttribute("stroke-opacity", "0.85"); |
| |
| var cmd = []; |
| var r=3; |
| for(var j=0; j<data[i].length; j++){ |
| var values = data[i]; |
| var x = plot.axisX.getCoord(values[j].x, plotarea, plot); |
| var y = plot.axisY.getCoord(values[j].y, plotarea, plot); |
| |
| if(j==0){ cmd.push("M"); } |
| else { cmd.push("L"); } |
| cmd.push(x+","+y); |
| |
| // points on the line |
| var c=document.createElementNS(dojo.svg.xmlns.svg, "circle"); |
| c.setAttribute("cx",x); |
| c.setAttribute("cy",y); |
| c.setAttribute("r","3"); |
| c.setAttribute("fill", values[j].series.color); |
| c.setAttribute("fill-opacity", "0.6"); |
| c.setAttribute("stroke-width", "1"); |
| c.setAttribute("stroke-opacity", "0.85"); |
| group.appendChild(c); |
| if(applyTo){ applyTo(c, data[i].src); } |
| } |
| |
| // now run the path backwards from the previous series. |
| if(i == 0){ |
| cmd.push("L"); |
| cmd.push(x + "," + plot.axisY.getCoord(plot.axisX.origin, plotarea, plot)); |
| cmd.push("L"); |
| cmd.push(plot.axisX.getCoord(data[0][0].x, plotarea, plot) + "," + plot.axisY.getCoord(plot.axisX.origin, plotarea, plot)); |
| cmd.push("Z"); |
| } else { |
| var values = data[i-1]; |
| cmd.push("L"); |
| cmd.push(x + "," + Math.round(plot.axisY.getCoord(values[values.length-1].y, plotarea, plot))); |
| for(var j=values.length-2; j>=0; j--){ |
| var x = plot.axisX.getCoord(values[j].x, plotarea, plot); |
| var y = plot.axisY.getCoord(values[j].y, plotarea, plot); |
| cmd.push("L"); |
| cmd.push(x+","+y); |
| } |
| } |
| path.setAttribute("d", cmd.join(" ")+ " Z"); |
| group.appendChild(path); |
| } |
| return group; // SVGGElement |
| }, |
| StackedCurvedArea: function( |
| /* dojo.charting.PlotArea */plotarea, |
| /* dojo.charting.Plot */plot, |
| /* object? */kwArgs, |
| /* function? */applyTo |
| ){ |
| // summary |
| // Plots a set of stacked areas, using a tensioning factor to soften points. |
| // Bindings: x/y |
| var tension = 3; |
| var area = plotarea.getArea(); |
| var group = document.createElementNS(dojo.svg.xmlns.svg, "g"); |
| |
| // precompile the data |
| var n = plot.series.length; // how many series |
| var data = []; |
| var totals = []; |
| |
| // we're assuming that all series for this plot has the name x assignment for now. |
| for(var i=0; i<n; i++){ |
| var tmp = plot.series[i].data.evaluate(kwArgs); |
| // run through and add current totals |
| for(var j=0; j<tmp.length; j++){ |
| if(i==0){ totals.push(tmp[j].y); } |
| else { totals[j] += tmp[j].y; } |
| tmp[j].y = totals[j]; |
| } |
| data.push(tmp); |
| } |
| |
| for(var i=n-1; i>=0; i--){ |
| var path = document.createElementNS(dojo.svg.xmlns.svg, "path"); |
| path.setAttribute("fill", data[i][0].series.color); |
| path.setAttribute("fill-opacity", "0.4"); |
| path.setAttribute("stroke", data[i][0].series.color); |
| path.setAttribute("stroke-width" , "1"); |
| path.setAttribute("stroke-opacity", "0.85"); |
| |
| var cmd = []; |
| var r=3; |
| for(var j=0; j<data[i].length; j++){ |
| var values = data[i]; |
| var x = plot.axisX.getCoord(values[j].x, plotarea, plot); |
| var y = plot.axisY.getCoord(values[j].y, plotarea, plot); |
| var dx = area.left + 1; |
| var dy = area.bottom; |
| if(j>0){ |
| dx = x - plot.axisX.getCoord(values[j-1].x, plotarea, plot); |
| dy = plot.axisY.getCoord(values[j-1].y, plotarea, plot); |
| } |
| |
| if(j==0){ cmd.push("M"); } |
| else { |
| cmd.push("C"); |
| var cx = x-(tension-1) * (dx/tension); |
| cmd.push(cx + "," + dy); |
| cx = x - (dx/tension); |
| cmd.push(cx + "," + y); |
| } |
| cmd.push(x+","+y); |
| |
| // points on the line |
| var c=document.createElementNS(dojo.svg.xmlns.svg, "circle"); |
| c.setAttribute("cx",x); |
| c.setAttribute("cy",y); |
| c.setAttribute("r","3"); |
| c.setAttribute("fill", values[j].series.color); |
| c.setAttribute("fill-opacity", "0.6"); |
| c.setAttribute("stroke-width", "1"); |
| c.setAttribute("stroke-opacity", "0.85"); |
| group.appendChild(c); |
| if(applyTo){ applyTo(c, data[i].src); } |
| } |
| |
| // now run the path backwards from the previous series. |
| if(i == 0){ |
| cmd.push("L"); |
| cmd.push(x + "," + plot.axisY.getCoord(plot.axisX.origin, plotarea, plot)); |
| cmd.push("L"); |
| cmd.push(plot.axisX.getCoord(data[0][0].x, plotarea, plot) + "," + plot.axisY.getCoord(plot.axisX.origin, plotarea, plot)); |
| cmd.push("Z"); |
| } else { |
| var values = data[i-1]; |
| cmd.push("L"); |
| cmd.push(x + "," + Math.round(plot.axisY.getCoord(values[values.length-1].y, plotarea, plot))); |
| for(var j=values.length-2; j>=0; j--){ |
| var x = plot.axisX.getCoord(values[j].x, plotarea, plot); |
| var y = plot.axisY.getCoord(values[j].y, plotarea, plot); |
| var dx = x - plot.axisX.getCoord(values[j+1].x, plotarea, plot); |
| var dy = plot.axisY.getCoord(values[j+1].y, plotarea, plot); |
| |
| cmd.push("C"); |
| var cx = x-(tension-1) * (dx/tension); |
| cmd.push(cx + "," + dy); |
| cx = x - (dx/tension); |
| cmd.push(cx + "," + y); |
| cmd.push(x+","+y); |
| } |
| } |
| path.setAttribute("d", cmd.join(" ")+ " Z"); |
| group.appendChild(path); |
| } |
| return group; // SVGGElement |
| }, |
| |
| /********************************************************* |
| * Single plotters: one series at a time. |
| *********************************************************/ |
| DataBar: function( |
| /* array */data, |
| /* dojo.charting.PlotArea */plotarea, |
| /* dojo.charting.Plot */plot, |
| /* function? */applyTo |
| ){ |
| // summary |
| // Plots a set of bars in relation to y==0. |
| // Bindings: x/y |
| var area = plotarea.getArea(); |
| var group = document.createElementNS(dojo.svg.xmlns.svg, "g"); |
| |
| var n = data.length; |
| var w = (area.right-area.left)/(plot.axisX.range.upper - plot.axisX.range.lower); // the width of each group. |
| var yOrigin = plot.axisY.getCoord(plot.axisX.origin, plotarea, plot); |
| |
| for(var i=0; i<n; i++){ |
| // calculate offset |
| var value = data[i].y; |
| var yA = yOrigin; |
| var x = plot.axisX.getCoord(data[i].x, plotarea, plot) - (w/2); |
| var y = plot.axisY.getCoord(value, plotarea, plot); |
| var h = Math.abs(yA-y); |
| if(value < plot.axisX.origin){ |
| yA = y; |
| y = yOrigin; |
| } |
| var bar=document.createElementNS(dojo.svg.xmlns.svg, "rect"); |
| bar.setAttribute("fill", data[i].series.color); |
| bar.setAttribute("stroke-width", "0"); |
| bar.setAttribute("x", x); |
| bar.setAttribute("y", y); |
| bar.setAttribute("width", w); |
| bar.setAttribute("height", h); |
| bar.setAttribute("fill-opacity", "0.6"); |
| if(applyTo){ applyTo(bar, data[i].src); } |
| group.appendChild(bar); |
| } |
| return group; // SVGGElement |
| }, |
| Line: function( |
| /* array */data, |
| /* dojo.charting.PlotArea */plotarea, |
| /* dojo.charting.Plot */plot, |
| /* function? */applyTo |
| ){ |
| // summary |
| // Plots the series as a line. |
| // Bindings: x/y |
| var area = plotarea.getArea(); |
| var line = document.createElementNS(dojo.svg.xmlns.svg, "g"); |
| var path = document.createElementNS(dojo.svg.xmlns.svg, "path"); |
| line.appendChild(path); |
| |
| path.setAttribute("fill", "none"); |
| path.setAttribute("stroke", data[0].series.color); |
| path.setAttribute("stroke-width" , "2"); |
| path.setAttribute("stroke-opacity", "0.85"); |
| if(data[0].series.label != null){ |
| path.setAttribute("title", data[0].series.label); |
| } |
| |
| var cmd=[]; |
| for(var i=0; i<data.length; i++){ |
| var x = plot.axisX.getCoord(data[i].x, plotarea, plot); |
| var y = plot.axisY.getCoord(data[i].y, plotarea, plot); |
| if(i==0){ cmd.push("M"); } |
| else { cmd.push("L"); } |
| cmd.push(x+","+y); |
| |
| // points on the line |
| var c=document.createElementNS(dojo.svg.xmlns.svg, "circle"); |
| c.setAttribute("cx",x); |
| c.setAttribute("cy",y); |
| c.setAttribute("r","3"); |
| c.setAttribute("fill", data[i].series.color); |
| c.setAttribute("fill-opacity", "0.6"); |
| c.setAttribute("stroke-width", "1"); |
| c.setAttribute("stroke-opacity", "0.85"); |
| line.appendChild(c); |
| if(applyTo){ applyTo(c, data[i].src); } |
| } |
| path.setAttribute("d", cmd.join(" ")); |
| return line; // SVGGElement |
| }, |
| CurvedLine: function( |
| /* array */data, |
| /* dojo.charting.PlotArea */plotarea, |
| /* dojo.charting.Plot */plot, |
| /* function? */applyTo |
| ){ |
| // summary |
| // Plots the series as a line with a tension factor for softening. |
| // Bindings: x/y |
| var tension = 3; |
| var area = plotarea.getArea(); |
| var line = document.createElementNS(dojo.svg.xmlns.svg, "g"); |
| var path = document.createElementNS(dojo.svg.xmlns.svg, "path"); |
| line.appendChild(path); |
| |
| path.setAttribute("fill", "none"); |
| path.setAttribute("stroke", data[0].series.color); |
| path.setAttribute("stroke-width" , "2"); |
| path.setAttribute("stroke-opacity", "0.85"); |
| if(data[0].series.label != null){ |
| path.setAttribute("title", data[0].series.label); |
| } |
| |
| var cmd=[]; |
| for(var i=0; i<data.length; i++){ |
| var x = plot.axisX.getCoord(data[i].x, plotarea, plot); |
| var y = plot.axisY.getCoord(data[i].y, plotarea, plot); |
| var dx = area.left + 1; |
| var dy = area.bottom; |
| if(i>0){ |
| dx = x - plot.axisX.getCoord(data[i-1].x, plotarea, plot); |
| dy = plot.axisY.getCoord(data[i-1].y, plotarea, plot); |
| } |
| |
| if(i==0){ cmd.push("M"); } |
| else { |
| cmd.push("C"); |
| var cx = x-(tension-1) * (dx/tension); |
| cmd.push(cx + "," + dy); |
| cx = x - (dx/tension); |
| cmd.push(cx + "," + y); |
| } |
| cmd.push(x+","+y); |
| |
| // points on the line |
| var c=document.createElementNS(dojo.svg.xmlns.svg, "circle"); |
| c.setAttribute("cx",x); |
| c.setAttribute("cy",y); |
| c.setAttribute("r","3"); |
| c.setAttribute("fill", data[i].series.color); |
| c.setAttribute("fill-opacity", "0.6"); |
| c.setAttribute("stroke-width", "1"); |
| c.setAttribute("stroke-opacity", "0.85"); |
| line.appendChild(c); |
| if(applyTo){ applyTo(c, data[i].src); } |
| } |
| path.setAttribute("d", cmd.join(" ")); |
| return line; // SVGGElement |
| }, |
| Area: function( |
| /* array */data, |
| /* dojo.charting.PlotArea */plotarea, |
| /* dojo.charting.Plot */plot, |
| /* function? */applyTo |
| ){ |
| // summary |
| // Plots the series as an area. |
| // Bindings: x/y |
| var area = plotarea.getArea(); |
| var line = document.createElementNS(dojo.svg.xmlns.svg, "g"); |
| var path = document.createElementNS(dojo.svg.xmlns.svg, "path"); |
| line.appendChild(path); |
| |
| path.setAttribute("fill", data[0].series.color); |
| path.setAttribute("fill-opacity", "0.4"); |
| path.setAttribute("stroke", data[0].series.color); |
| path.setAttribute("stroke-width" , "1"); |
| path.setAttribute("stroke-opacity", "0.85"); |
| if(data[0].series.label != null){ |
| path.setAttribute("title", data[0].series.label); |
| } |
| |
| var cmd=[]; |
| for(var i=0; i<data.length; i++){ |
| var x = plot.axisX.getCoord(data[i].x, plotarea, plot); |
| var y = plot.axisY.getCoord(data[i].y, plotarea, plot); |
| if(i==0){ cmd.push("M"); } |
| else { cmd.push("L"); } |
| cmd.push(x+","+y); |
| |
| // points on the line |
| var c=document.createElementNS(dojo.svg.xmlns.svg, "circle"); |
| c.setAttribute("cx",x); |
| c.setAttribute("cy",y); |
| c.setAttribute("r","3"); |
| c.setAttribute("fill", data[i].series.color); |
| c.setAttribute("fill-opacity", "0.6"); |
| c.setAttribute("stroke-width", "1"); |
| c.setAttribute("stroke-opacity", "0.85"); |
| line.appendChild(c); |
| if(applyTo){ applyTo(c, data[i].src); } |
| } |
| // finish it off |
| cmd.push("L"); |
| cmd.push(x + "," + plot.axisY.getCoord(plot.axisX.origin, plotarea, plot)); |
| cmd.push("L"); |
| cmd.push(plot.axisX.getCoord(data[0].x, plotarea, plot) + "," + plot.axisY.getCoord(plot.axisX.origin, plotarea, plot)); |
| cmd.push("Z"); |
| path.setAttribute("d", cmd.join(" ")); |
| return line; // SVGGElement |
| }, |
| CurvedArea: function( |
| /* array */data, |
| /* dojo.charting.PlotArea */plotarea, |
| /* dojo.charting.Plot */plot, |
| /* function? */applyTo |
| ){ |
| // summary |
| // Plots the series as an area with a tension for softening. |
| // Bindings: x/y |
| var tension = 3; |
| var area = plotarea.getArea(); |
| var line = document.createElementNS(dojo.svg.xmlns.svg, "g"); |
| var path = document.createElementNS(dojo.svg.xmlns.svg, "path"); |
| line.appendChild(path); |
| |
| path.setAttribute("fill", data[0].series.color); |
| path.setAttribute("fill-opacity", "0.4"); |
| path.setAttribute("stroke", data[0].series.color); |
| path.setAttribute("stroke-width" , "1"); |
| path.setAttribute("stroke-opacity", "0.85"); |
| if(data[0].series.label != null){ |
| path.setAttribute("title", data[0].series.label); |
| } |
| |
| var cmd=[]; |
| for(var i=0; i<data.length; i++){ |
| var x = plot.axisX.getCoord(data[i].x, plotarea, plot); |
| var y = plot.axisY.getCoord(data[i].y, plotarea, plot); |
| var dx = area.left + 1; |
| var dy = area.bottom; |
| if(i>0){ |
| dx = x - plot.axisX.getCoord(data[i-1].x, plotarea, plot); |
| dy = plot.axisY.getCoord(data[i-1].y, plotarea, plot); |
| } |
| |
| if(i==0){ cmd.push("M"); } |
| else { |
| cmd.push("C"); |
| var cx = x-(tension-1) * (dx/tension); |
| cmd.push(cx + "," + dy); |
| cx = x - (dx/tension); |
| cmd.push(cx + "," + y); |
| } |
| cmd.push(x+","+y); |
| |
| // points on the line |
| var c=document.createElementNS(dojo.svg.xmlns.svg, "circle"); |
| c.setAttribute("cx",x); |
| c.setAttribute("cy",y); |
| c.setAttribute("r","3"); |
| c.setAttribute("fill", data[i].series.color); |
| c.setAttribute("fill-opacity", "0.6"); |
| c.setAttribute("stroke-width", "1"); |
| c.setAttribute("stroke-opacity", "0.85"); |
| line.appendChild(c); |
| if(applyTo){ applyTo(c, data[i].src); } |
| } |
| // finish it off |
| cmd.push("L"); |
| cmd.push(x + "," + plot.axisY.getCoord(plot.axisX.origin, plotarea, plot)); |
| cmd.push("L"); |
| cmd.push(plot.axisX.getCoord(data[0].x, plotarea, plot) + "," + plot.axisY.getCoord(plot.axisX.origin, plotarea, plot)); |
| cmd.push("Z"); |
| path.setAttribute("d", cmd.join(" ")); |
| return line; // SVGGElement |
| }, |
| HighLow: function( |
| /* array */data, |
| /* dojo.charting.PlotArea */plotarea, |
| /* dojo.charting.Plot */plot, |
| /* function? */applyTo |
| ){ |
| // summary |
| // Plots the series as a set of high/low bars. |
| // Bindings: x/high/low |
| var area = plotarea.getArea(); |
| var group = document.createElementNS(dojo.svg.xmlns.svg, "g"); |
| |
| var n = data.length; |
| var part = ((area.right-area.left)/(plot.axisX.range.upper - plot.axisX.range.lower))/4; |
| var w = part*2; |
| |
| for(var i=0; i<n; i++){ |
| var high = data[i].high; |
| var low = data[i].low; |
| if(low > high){ |
| var t = low; |
| low = high; |
| high = t; |
| } |
| |
| var x = plot.axisX.getCoord(data[i].x, plotarea, plot) - (w/2); |
| var y = plot.axisY.getCoord(high, plotarea, plot); |
| var h = plot.axisY.getCoord(low, plotarea, plot)-y; |
| |
| // high + low |
| var bar=document.createElementNS(dojo.svg.xmlns.svg, "rect"); |
| bar.setAttribute("fill", data[i].series.color); |
| bar.setAttribute("stroke-width", "0"); |
| bar.setAttribute("x", x); |
| bar.setAttribute("y", y); |
| bar.setAttribute("width", w); |
| bar.setAttribute("height", h); |
| bar.setAttribute("fill-opacity", "0.6"); |
| if(applyTo){ applyTo(bar, data[i].src); } |
| group.appendChild(bar); |
| } |
| return group; // SVGGElement |
| }, |
| HighLowClose: function( |
| /* array */data, |
| /* dojo.charting.PlotArea */plotarea, |
| /* dojo.charting.Plot */plot, |
| /* function? */applyTo |
| ){ |
| // summary |
| // Plots the series as a set of high/low bars with a close indicator. |
| // Bindings: x/high/low/close |
| var area = plotarea.getArea(); |
| var group = document.createElementNS(dojo.svg.xmlns.svg, "g"); |
| |
| var n = data.length; |
| var part = ((area.right-area.left)/(plot.axisX.range.upper - plot.axisX.range.lower))/4; |
| var w = part*2; |
| |
| for(var i=0; i<n; i++){ |
| var high = data[i].high; |
| var low = data[i].low; |
| if(low > high){ |
| var t = low; |
| low = high; |
| high = t; |
| } |
| var c = data[i].close; |
| |
| var x = plot.axisX.getCoord(data[i].x, plotarea, plot) - (w/2); |
| var y = plot.axisY.getCoord(high, plotarea, plot); |
| var h = plot.axisY.getCoord(low, plotarea, plot)-y; |
| var close = plot.axisY.getCoord(c, plotarea, plot); |
| |
| var g = document.createElementNS(dojo.svg.xmlns.svg, "g"); |
| |
| // high + low |
| var bar=document.createElementNS(dojo.svg.xmlns.svg, "rect"); |
| bar.setAttribute("fill", data[i].series.color); |
| bar.setAttribute("stroke-width", "0"); |
| bar.setAttribute("x", x); |
| bar.setAttribute("y", y); |
| bar.setAttribute("width", w); |
| bar.setAttribute("height", h); |
| bar.setAttribute("fill-opacity", "0.6"); |
| g.appendChild(bar); |
| |
| // close |
| var line=document.createElementNS(dojo.svg.xmlns.svg, "line"); |
| line.setAttribute("x1", x); |
| line.setAttribute("x2", x+w+(part*2)); |
| line.setAttribute("y1", close); |
| line.setAttribute("y2", close); |
| line.setAttribute("style", "stroke:"+data[i].series.color+";stroke-width:1px;stroke-opacity:0.6;"); |
| g.appendChild(line); |
| |
| if(applyTo){ applyTo(g, data[i].src); } |
| group.appendChild(g); |
| } |
| return group; // SVGGElement |
| }, |
| HighLowOpenClose: function( |
| /* array */data, |
| /* dojo.charting.PlotArea */plotarea, |
| /* dojo.charting.Plot */plot, |
| /* function? */applyTo |
| ){ |
| // summary |
| // Plots the series as a set of high/low bars with open and close indicators. |
| // Bindings: x/high/low/open/close |
| var area = plotarea.getArea(); |
| var group = document.createElementNS(dojo.svg.xmlns.svg, "g"); |
| |
| var n = data.length; |
| var part = ((area.right-area.left)/(plot.axisX.range.upper - plot.axisX.range.lower))/4; |
| var w = part*2; |
| |
| for(var i=0; i<n; i++){ |
| var high = data[i].high; |
| var low = data[i].low; |
| if(low > high){ |
| var t = low; |
| low = high; |
| high = t; |
| } |
| var o = data[i].open; |
| var c = data[i].close; |
| |
| var x = plot.axisX.getCoord(data[i].x, plotarea, plot) - (w/2); |
| var y = plot.axisY.getCoord(high, plotarea, plot); |
| var h = plot.axisY.getCoord(low, plotarea, plot)-y; |
| var open = plot.axisY.getCoord(o, plotarea, plot); |
| var close = plot.axisY.getCoord(c, plotarea, plot); |
| |
| var g = document.createElementNS(dojo.svg.xmlns.svg, "g"); |
| |
| // high + low |
| var bar=document.createElementNS(dojo.svg.xmlns.svg, "rect"); |
| bar.setAttribute("fill", data[i].series.color); |
| bar.setAttribute("stroke-width", "0"); |
| bar.setAttribute("x", x); |
| bar.setAttribute("y", y); |
| bar.setAttribute("width", w); |
| bar.setAttribute("height", h); |
| bar.setAttribute("fill-opacity", "0.6"); |
| g.appendChild(bar); |
| |
| // open |
| var line=document.createElementNS(dojo.svg.xmlns.svg, "line"); |
| line.setAttribute("x1", x-(part*2)); |
| line.setAttribute("x2", x+w); |
| line.setAttribute("y1", open); |
| line.setAttribute("y2", open); |
| line.setAttribute("style", "stroke:"+data[i].series.color+";stroke-width:1px;stroke-opacity:0.6;"); |
| g.appendChild(line); |
| |
| // close |
| var line=document.createElementNS(dojo.svg.xmlns.svg, "line"); |
| line.setAttribute("x1", x); |
| line.setAttribute("x2", x+w+(part*2)); |
| line.setAttribute("y1", close); |
| line.setAttribute("y2", close); |
| line.setAttribute("style", "stroke:"+data[i].series.color+";stroke-width:1px;stroke-opacity:0.6;"); |
| g.appendChild(line); |
| |
| if(applyTo){ applyTo(g, data[i].src); } |
| group.appendChild(g); |
| } |
| return group; // SVGGElement |
| }, |
| Scatter: function( |
| /* array */data, |
| /* dojo.charting.PlotArea */plotarea, |
| /* dojo.charting.Plot */plot, |
| /* function? */applyTo |
| ){ |
| // summary |
| // Plots the series as a set of points. |
| // Bindings: x/y |
| var r=7; |
| var group = document.createElementNS(dojo.svg.xmlns.svg, "g"); |
| for (var i=0; i<data.length; i++){ |
| var x = plot.axisX.getCoord(data[i].x, plotarea, plot); |
| var y = plot.axisY.getCoord(data[i].y, plotarea, plot); |
| var point = document.createElementNS(dojo.svg.xmlns.svg, "path"); |
| point.setAttribute("fill", data[i].series.color); |
| point.setAttribute("stroke-width", "0"); |
| point.setAttribute("d", |
| "M " + x + "," + (y-r) + " " + |
| "Q " + x + "," + y + " " + (x+r) + "," + y + " " + |
| "Q " + x + "," + y + " " + x + "," + (y+r) + " " + |
| "Q " + x + "," + y + " " + (x-r) + "," + y + " " + |
| "Q " + x + "," + y + " " + x + "," + (y-r) + " " + |
| "Z" |
| ); |
| if(applyTo){ applyTo(point, data[i].src); } |
| group.appendChild(point); |
| } |
| return group; // SVGGElement |
| }, |
| Bubble: function( |
| /* array */data, |
| /* dojo.charting.PlotArea */plotarea, |
| /* dojo.charting.Plot */plot, |
| /* function? */applyTo |
| ){ |
| // summary |
| // Plots the series as a set of points with a size factor. |
| // Bindings: x/y/size |
| var group = document.createElementNS(dojo.svg.xmlns.svg, "g"); |
| var sizeFactor=1; |
| for (var i=0; i<data.length; i++){ |
| var x = plot.axisX.getCoord(data[i].x, plotarea, plot); |
| var y = plot.axisY.getCoord(data[i].y, plotarea, plot); |
| if(i==0){ |
| // figure out the size factor, start with the axis with the greater range. |
| var raw = data[i].size; |
| var dy = plot.axisY.getCoord(data[i].y + raw, plotarea, plot)-y; |
| sizeFactor = dy/raw; |
| } |
| if(sizeFactor<1) { sizeFactor = 1; } |
| var point = document.createElementNS(dojo.svg.xmlns.svg, "circle"); |
| point.setAttribute("fill", data[i].series.color); |
| point.setAttribute("fill-opacity", "0.8"); |
| point.setAttribute("stroke", data[i].series.color); |
| point.setAttribute("stroke-width", "1"); |
| point.setAttribute("cx",x); |
| point.setAttribute("cy",y); |
| point.setAttribute("r", (data[i].size/2)*sizeFactor); |
| if(applyTo){ applyTo(point, data[i].src); } |
| group.appendChild(point); |
| } |
| return group; // SVGGElement |
| } |
| }); |
| dojo.charting.Plotters["Default"] = dojo.charting.Plotters.Line; |
| } |