Simplest way to add pan/zoom to a d3js visualisation
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May 31, 2016 19:11
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <script type="text/javascript" src="http://d3js.org/d3.v3.js"></script> | |
| <style type="text/css"> | |
| body, html { | |
| width: 100%; | |
| height: 100%; | |
| margin: 0; | |
| } | |
| svg { | |
| position: absolute; | |
| top: 0; | |
| left: 0; | |
| } | |
| p { | |
| text-align: center; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <p>Use the mouse to pan (click and move) / zoom (scrollwheel)</p> | |
| </body> | |
| <script type="text/javascript"> | |
| var svg = d3.select("body") | |
| .append("svg") | |
| .attr("width", "100%") | |
| .attr("height", "100%") | |
| .call(d3.behavior.zoom().on("zoom", function () { | |
| svg.attr("transform", "translate(" + d3.event.translate + ")" + " scale(" + d3.event.scale + ")") | |
| })) | |
| .append("g") | |
| svg.append("circle") | |
| .attr("cx", document.body.clientWidth / 2) | |
| .attr("cy", document.body.clientHeight / 2) | |
| .attr("r", 50) | |
| .style("fill", "#B8DEE6") | |
| </script> | |
| </html> |
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