plotters.js

初学者

			path.style.position = "absolute";
			path.style.top = "0px";
			path.style.left = "0px";
			path.style.width = area.right - area.left + "px";
			path.style.height = area.bottom - area.top + "px";
			var stroke = document.createElement("v:stroke");
			stroke.setAttribute("opacity", "0.8");
			path.appendChild(stroke);
			var fill = document.createElement("v:fill");
			fill.setAttribute("opacity", "0.4");
			path.appendChild(fill);
			var cmd = [];
			var r = 3;
			for (var j = 0; j < data[i].length; j++) {
				var values = data[i];
				var x = Math.round(plot.axisX.getCoord(values[j].x, plotarea, plot));
				var y = Math.round(plot.axisY.getCoord(values[j].y, plotarea, plot));
				if (j == 0) {
					cmd.push("m");
					cmd.push(x + "," + y);
				} else {
					var lastx = Math.round(plot.axisX.getCoord(values[j - 1].x, plotarea, plot));
					var lasty = Math.round(plot.axisY.getCoord(values[j - 1].y, plotarea, plot));
					var dx = x - lastx;
					var dy = y - lasty;
					cmd.push("c");
					var cx = Math.round((x - (tension - 1) * (dx / tension)));
					cmd.push(cx + "," + lasty);
					cx = Math.round((x - (dx / tension)));
					cmd.push(cx + "," + y);
					cmd.push(x + "," + y);
				}
				var c = document.createElement("v:oval");
				c.setAttribute("strokeweight", "1px");
				c.setAttribute("strokecolor", values[j].series.color);
				c.setAttribute("fillcolor", values[j].series.color);
				var str = document.createElement("v:stroke");
				str.setAttribute("opacity", "0.8");
				c.appendChild(str);
				str = document.createElement("v:fill");
				str.setAttribute("opacity", "0.6");
				c.appendChild(str);
				var s = c.style;
				s.position = "absolute";
				s.top = (y - r) + "px";
				s.left = (x - r) + "px";
				s.width = (r * 2) + "px";
				s.height = (r * 2) + "px";
				group.appendChild(c);
				if (applyTo) {
					applyTo(c, data[j].src);
				}
			}
			if (i == 0) {
				cmd.push("l");
				cmd.push(x + "," + Math.round(plot.axisY.getCoord(plot.axisX.origin, plotarea, plot)));
				cmd.push("l");
				cmd.push(Math.round(plot.axisX.getCoord(data[0][0].x, plotarea, plot)) + "," + Math.round(plot.axisY.getCoord(plot.axisX.origin, plotarea, plot)));
			} 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 = Math.round(plot.axisX.getCoord(values[j].x, plotarea, plot));
					var y = Math.round(plot.axisY.getCoord(values[j].y, plotarea, plot));
					var lastx = Math.round(plot.axisX.getCoord(values[j + 1].x, plotarea, plot));
					var lasty = Math.round(plot.axisY.getCoord(values[j + 1].y, plotarea, plot));
					var dx = x - lastx;
					var dy = y - lasty;
					cmd.push("c");
					var cx = Math.round((x - (tension - 1) * (dx / tension)));
					cmd.push(cx + "," + lasty);
					cx = Math.round((x - (dx / tension)));
					cmd.push(cx + "," + y);
					cmd.push(x + "," + y);
				}
			}
			path.setAttribute("path", cmd.join(" ") + " x e");
			group.appendChild(path);
		}
		return group;
	}, DataBar:function (data, plotarea, plot, applyTo) {
		var area = plotarea.getArea();
		var group = dojo.charting.Plotters._group(plotarea);
		var n = data.length;
		var w = (area.right - area.left) / (plot.axisX.range.upper - plot.axisX.range.lower);
		var yOrigin = plot.axisY.getCoord(plot.axisX.origin, plotarea, plot);
		for (var i = 0; i < n; i++) {
			var value = data[i].y;
			var yA = yOrigin;
			var x = plot.axisX.getCoord(data[i].x, plotarea, plot) - (w / 2) + 1;
			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.createElement("v:rect");
			bar.style.position = "absolute";
			bar.style.top = y + 1 + "px";
			bar.style.left = x + "px";
			bar.style.width = w + "px";
			bar.style.height = h + "px";
			bar.setAttribute("fillColor", data[i].series.color);
			bar.setAttribute("stroked", "false");
			bar.style.antialias = "false";
			var fill = document.createElement("v:fill");
			fill.setAttribute("opacity", "0.6");
			bar.appendChild(fill);
			if (applyTo) {
				applyTo(bar, data[i].src);
			}
			group.appendChild(bar);
		}
		return group;
	}, Line:function (data, plotarea, plot, applyTo) {
		var area = plotarea.getArea();
		var group = dojo.charting.Plotters._group(plotarea);
		if (data.length == 0) {
			return group;
		}
		var path = document.createElement("v:shape");
		path.setAttribute("strokeweight", "2px");
		path.setAttribute("strokecolor", data[0].series.color);
		path.setAttribute("fillcolor", "none");
		path.setAttribute("filled", "false");
		path.setAttribute("coordsize", (area.right - area.left) + "," + (area.bottom - area.top));
		path.style.position = "absolute";
		path.style.top = "0px";
		path.style.left = "0px";
		path.style.width = area.right - area.left + "px";
		path.style.height = area.bottom - area.top + "px";
		var stroke = document.createElement("v:stroke");
		stroke.setAttribute("opacity", "0.8");
		path.appendChild(stroke);
		var cmd = [];
		var r = 3;
		for (var i = 0; i < data.length; i++) {
			var x = Math.round(plot.axisX.getCoord(data[i].x, plotarea, plot));
			var y = Math.round(plot.axisY.getCoord(data[i].y, plotarea, plot));
			if (i == 0) {
				cmd.push("m");
				cmd.push(x + "," + y);
			} else {
				cmd.push("l");
				cmd.push(x + "," + y);
			}
			var c = document.createElement("v:oval");
			c.setAttribute("strokeweight", "1px");
			c.setAttribute("strokecolor", data[i].series.color);
			c.setAttribute("fillcolor", data[i].series.color);
			var str = document.createElement("v:stroke");
			str.setAttribute("opacity", "0.8");
			c.appendChild(str);
			str = document.createElement("v:fill");
			str.setAttribute("opacity", "0.6");
			c.appendChild(str);
			var s = c.style;
			s.position = "absolute";
			s.top = (y - r) + "px";
			s.left = (x - r) + "px";
			s.width = (r * 2) + "px";
			s.height = (r * 2) + "px";
			group.appendChild(c);
			if (applyTo) {
				applyTo(c, data[i].src);
			}
		}
		path.setAttribute("path", cmd.join(" ") + " e");
		group.appendChild(path);
		return group;
	}, CurvedLine:function (data, plotarea, plot, applyTo) {
		var tension = 3;
		var area = plotarea.getArea();
		var group = dojo.charting.Plotters._group(plotarea);
		if (data.length == 0) {
			return group;
		}
		var path = document.createElement("v:shape");
		path.setAttribute("strokeweight", "2px");
		path.setAttribute("strokecolor", data[0].series.color);
		path.setAttribute("fillcolor", "none");
		path.setAttribute("filled", "false");
		path.setAttribute("coordsize", (area.right - area.left) + "," + (area.bottom - area.top));
		path.style.position = "absolute";
		path.style.top = "0px";
		path.style.left = "0px";
		path.style.width = area.right - area.left + "px";
		path.style.height = area.bottom - area.top + "px";
		var stroke = document.createElement("v:stroke");
		stroke.setAttribute("opacity", "0.8");
		path.appendChild(stroke);
		var cmd = [];
		var r = 3;
		for (var i = 0; i < data.length; i++) {
			var x = Math.round(plot.axisX.getCoord(data[i].x, plotarea, plot));
			var y = Math.round(plot.axisY.getCoord(data[i].y, plotarea, plot));
			if (i == 0) {
				cmd.push("m");
				cmd.push(x + "," + y);
			} else {
				var lastx = Math.round(plot.axisX.getCoord(data[i - 1].x, plotarea, plot));
				var lasty = Math.round(plot.axisY.getCoord(data[i - 1].y, plotarea, plot));
				var dx = x - lastx;
				var dy = y - lasty;
				cmd.push("c");
				var cx = Math.round((x - (tension - 1) * (dx / tension)));
				cmd.push(cx + "," + lasty);
				cx = Math.round((x - (dx / tension)));
				cmd.push(cx + "," + y);
				cmd.push(x + "," + y);
			}
			var c = document.createElement("v:oval");
			c.setAttribute("strokeweight", "1px");
			c.setAttribute("strokecolor", data[i].series.color);
			c.setAttribute("fillcolor", data[i].series.color);
			var str = document.createElement("v:stroke");
			str.setAttribute("opacity", "0.8");
			c.appendChild(str);
			str = document.createElement("v:fill");
			str.setAttribute("opacity", "0.6");
			c.appendChild(str);
			var s = c.style;
			s.position = "absolute";
			s.top = (y - r) + "px";
			s.left = (x - r) + "px";
			s.width = (r * 2) + "px";
			s.height = (r * 2) + "px";
			group.appendChild(c);
			if (applyTo) {
				applyTo(c, data[i].src);
			}
		}
		path.setAttribute("path", cmd.join(" ") + " e");
		group.appendChild(path);
		return group;
	}, Area:function (data, plotarea, plot, applyTo) {
		var area = plotarea.getArea();
		var group = dojo.charting.Plotters._group(plotarea);
		if (data.length == 0) {
			return group;
		}
		var path = document.createElement("v:shape");
		path.setAttribute("strokeweight", "1px");
		path.setAttribute("strokecolor", data[0].series.color);
		path.setAttribute("fillcolor", data[0].series.color);
		path.setAttribute("coordsize", (area.right - area.left) + "," + (area.bottom - area.top));
		path.style.position = "absolute";
		path.style.top = "0px";
		path.style.left = "0px";
		path.style.width = area.right - area.left + "px";
		path.style.height = area.bottom - area.top + "px";
		var stroke = document.createElement("v:stroke");
		stroke.setAttribute("opacity", "0.8");
		path.appendChild(stroke);
		var fill = document.createElement("v:fill");
		fill.setAttribute("opacity", "0.4");
		path.appendChild(fill);
		var cmd = [];
		var r = 3;
		for (var i = 0; i < data.length; i++) {
			var x = Math.round(plot.axisX.getCoord(data[i].x, plotarea, plot));
			var y = Math.round(plot.axisY.getCoord(data[i].y, plotarea, plot));
			if (i == 0) {
				cmd.push("m");
				cmd.push(x + "," + y);
			} else {
				cmd.push("l");
				cmd.push(x + "," + y);
			}
			var c = document.createElement("v:oval");
			c.setAttribute("strokeweight", "1px");
			c.setAttribute("strokecolor", data[i].series.color);
			c.setAttribute("fillcolor", data[i].series.color);
			var str = document.createElement("v:stroke");
			str.setAttribute("opacity", "0.8");
			c.appendChild(str);
			str = document.createElement("v:fill");
			str.setAttribute("opacity", "0.6");
			c.appendChild(str);
			var s = c.style;
			s.position = "absolute";
			s.top = (y - r) + "px";
			s.left = (x - r) + "px";
			s.width = (r * 2) + "px";
			s.height = (r * 2) + "px";
			group.appendChild(c);
			if (applyTo) {
				applyTo(c, data[i].src);
			}
		}
		cmd.push("l");
		cmd.push(x + "," + Math.round(plot.axisY.getCoord(plot.axisX.origin, plotarea, plot)));
		cmd.push("l");
		cmd.push(Math.round(plot.axisX.getCoord(data[0].x, plotarea, plot)) + "," + Math.round(plot.axisY.getCoord(plot.axisX.origin, plotarea, plot)));
		path.setAttribute("path", cmd.join(" ") + " x e");
		group.appendChild(path);