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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <title>Zoom + Pan</title> | |
| <style> | |
| .overlay { | |
| fill: none; | |
| pointer-events: all; | |
| } | |
| div{border:1px solid black; margin: 10px;} | |
| svg{border:1px solid red; margin: 10px;} | |
| </style> | |
| <body> | |
| <!-- | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| --> | |
| using https://raw.githubusercontent.com/mbostock/d3/086b5fc57845105db8adc393c74cbbbce588d30d/d3.js | |
| <script src="https://raw.githubusercontent.com/mbostock/d3/086b5fc57845105db8adc393c74cbbbce588d30d/d3.js"></script> | |
| <div id="div1"></div> | |
| <div id="div2"></div> | |
| <div id="div3"></div> | |
| <div id="div4"></div> | |
| <script> | |
| function make(selector) | |
| { | |
| var width = 500, | |
| height = 500; | |
| var randomX = d3.random.normal(width / 2, 80), | |
| randomY = d3.random.normal(height / 2, 80); | |
| var data = d3.range(2000).map(function() { | |
| return [ | |
| randomX(), | |
| randomY() | |
| ]; | |
| }); | |
| var svg = d3.select(selector).append("svg") | |
| .attr("width", width) | |
| .attr("height", height) | |
| .append("g") | |
| .call(d3.behavior.zoom().scaleExtent([1, 8]).on("zoom", zoom)) | |
| .append("g"); | |
| svg.append("rect") | |
| .attr("class", "overlay") | |
| .attr("width", width) | |
| .attr("height", height); | |
| svg.selectAll("circle") | |
| .data(data) | |
| .enter().append("circle") | |
| .attr("r", 2.5) | |
| .attr("transform", function(d) { return "translate(" + d + ")"; }); | |
| function zoom() { | |
| svg.attr("transform", "translate(" + d3.event.translate + ")scale(" + d3.event.scale + ")"); | |
| } | |
| } | |
| make("#div1"); | |
| make("#div2"); | |
| make("#div3"); | |
| make("#div4"); | |
| </script> |
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