teamtech_webapp/index.html at master · kanam12/teamtech_webapp · GitHub

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<!DOCTYPE html>
<!-- obtained from https://gist.github.com/habari2011dunia/9698275 -->
<html lang="ja">
	<head>
		<meta charset="utf-8">
		<title>Simple CSV plotter</title>
		<script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script>
		<style>
			#input {
				padding-left: 10px;
				width: 300px;
				float: left;
			}
			#result {
				float: left;
			}
			textarea {
				width: 250px;
				height: 450px;
				resize: none;
			}
			.axis path {
				fill: none;
				stroke: grey;
			}
			.axis line {
				stroke: grey;
			}
		</style>
	</head>
	<body>
		<div id="input">
			CSV
			<input type="button" value="plot!" id="plot"><br>
			<textarea id="csv">x,y
1,10
2,2
3,4
4,5
5,9
6,5
7,9
8,2
9,6
10,5</textarea>
		</div>
		<div id="result"><svg></svg></div>
		<script>
		(function() {

			document.getElementById("plot").onclick = plot;

			var w = 600, h = 500;
			var margin = {left: 60, top: 30, right: 20, bottom: 60};

			var svg = d3.select("svg").style({width: w, height: h});

			var xScale = d3.scale.linear().range([margin.left, w-margin.right]);
			var yScale = d3.scale.linear().range([h-margin.bottom, margin.top]);

			var xAxis = d3.svg.axis().scale(xScale).orient("bottom");
			var yAxis = d3.svg.axis().scale(yScale).orient("left");

			svg.append("g")
				.attr("class", "x axis")
				.append("text")
				.attr("class", "x label")
				.text("x")
				.attr("font-size", 12)
				.attr("dx", (w-margin.right)/2)
				.attr("dy", "3.8em");

			svg.append("g")
				.attr("class", "y axis")
				.append("text") // ラベル
				.attr("class", "y label")
				.text("y")
				.attr("font-size", 12)
				.attr("transform", "rotate(-90)")
				.attr("dy", "-3.8em")
				.attr("dx", -(h+margin.top-margin.bottom)/2)
				.attr("text-anchor", "middle");

			var line = d3.svg.line();

			svg.append("path")
				.attr("class", "line")
				.attr("fill", "none")
				.attr("stroke", "steelblue");

			plot();

			function plot() {

				var raw = document.getElementById("csv").value;
				var data = d3.csv.parse(raw);

				var keys = Object.keys(data[0]);
				var xExtent = d3.extent(data, function(e) { return +e[keys[0]]; });
				var yExtent = d3.extent(data, function(e) { return +e[keys[1]]; });

				xScale.domain(xExtent).nice();
				yScale.domain(yExtent).nice();

				xAxis.scale(xScale);
				yAxis.scale(yScale);

				d3.select(".x.axis")
					.attr("transform", "translate(0,"+yScale.range()[0]+")")
					.call(xAxis);
				d3.select(".y.axis")
					.attr("transform", "translate("+xScale.range()[0]+",0)")
					.call(yAxis);

				d3.select(".x.label").text(keys[0]);
				d3.select(".y.label").text(keys[1]);

				line
					.x(function(d) { return xScale(d[keys[0]]); })
					.y(function(d) { return yScale(d[keys[1]]); });

				svg.select(".line").datum(data).attr("d", line);

				var points = svg.selectAll(".point").data(data);

				points.enter()
					.append("circle")
					.attr("class", "point")
					.attr("r", 3)
					.attr("fill", "steelblue")
					.attr("stroke", "steelblue");

				points.exit().remove();

				points
					.attr("cx", function(d){ return xScale(d[keys[0]]); })
					.attr("cy", function(d){ return yScale(d[keys[1]]); });

			}

		})();
		</script>
	</body>
</html>