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houkensjtu/index.html

Created November 13, 2017 09:09
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index.html
<!DOCTYPE html><html lang="en">    <head>        <meta charset="utf-8">        <title>D3 Page Template</title>        <script type="text/javascript" src="d3/d3.js"></script>
        <style type="text/css">
            circle:hover {                fill: orange;            }        </style>    </head>    <body><div>    <svg width="500" height="500" style = "background-color : springgreen" id = "xaxis"></svg><svg width="500" height="500" style = "background-color : white" id = "main1"></svg></div>
<div><svg width="500" height="500" style = "background-color : white" id = "main2"></svg><svg width="500" height="500" style = "background-color : lightblue" id = "yaxis"></svg></div>
<p id="output">ccc</p>
<script>
var svg = d3.select("svg#main1"),    width = +svg.attr("width"),    height = +svg.attr("height"),    radius = 32;var svg2 = d3.select("svg#main2"),    width = +svg.attr("width"),    height = +svg.attr("height"),    radius = 32;
var svgX = d3.select("svg#xaxis"),    width = +svg.attr("width"),    height = +svg.attr("height"),    radius = 32;
var svgY = d3.select("svg#yaxis"),    width = +svg.attr("width"),    height = +svg.attr("height"),    radius = 32;
var circles = d3.range(10).map(function() {  return {    x: Math.round(Math.random() * (width - radius * 2) + radius),    y: Math.round(Math.random() * (height - radius * 2) + radius)  };});//var circles = [{"x" : 100,"y" : 200}]var color = d3.scaleOrdinal()    .range(d3.schemeCategory20);
svgX.selectAll("circle")  .data(circles)  .enter().append("circle")    .attr("cx", function(d) { return d.x; })    .attr("cy", function(d) { return d.y; })    .attr("r", radius)    .attr("id", function(d,i){ return "numb"+i; })    .call(d3.drag()        .on("start", dragstarted)        .on("drag", draggedX))
svgY.selectAll("circle")  .data(circles)  .enter().append("circle")    .attr("cx", function(d) { return d.x; })    .attr("cy", function(d) { return d.y; })    .attr("r", radius)    .attr("id", function(d,i){ return "numb"+i; })    .call(d3.drag()        .on("start", dragstarted)        .on("drag", draggedY))
svg.selectAll("circle")  .data(circles)  .enter().append("circle")    .attr("cx", function(d) { return d.y; })    .attr("cy", function(d) { return d.x; })    .attr("r", radius)    .style("fill", function(d, i) { return color(i); })    .attr("id", function(d,i) {return "numb"+i ; })svg2.selectAll("circle")  .data(circles)  .enter().append("circle")    .attr("cx", function(d) { return d.y; })    .attr("cy", function(d) { return d.x; })    .attr("r", radius)    .style("fill", function(d, i) { return color(i); })    .attr("id", function(d,i) {return "numb"+i ; })
function dragstarted(d) {  d3.select(this).raise().classed("active", true);}
function draggedX(d,i) {  d3.select("svg#xaxis > circle#numb"+i).attr("cy", d.y = d3.event.y);  d3.select("svg#main1").select("circle#numb"+i).attr("cx", d3.event.y);  d3.select("p#output").attr("textContent", "bb");}
function draggedY(d,i) {  d3.select("svg#yaxis > circle#numb"+i).attr("cx", d.x = d3.event.x);  d3.select("svg#main2").select("circle#numb"+i).attr("cy", d3.event.x);}
function dragended(d) {  d3.select(this).classed("active", false);}
</script>
    </body></html>
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