Created
January 20, 2018 14:19
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Viz - Point - Brush
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| license: gpl-3.0 |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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| <!DOCTYPE html> | |
| <head> | |
| <meta charset="utf-8"> | |
| </head> | |
| <style> | |
| .viz-point .point circle{ | |
| fill: #999; | |
| fill-opacity:0.3; | |
| stroke: #999; | |
| stroke-width:2px; | |
| } | |
| .point.selected circle{ | |
| fill: blue; | |
| stroke: black; | |
| } | |
| </style> | |
| <body> | |
| <svg width="960" height="600"> | |
| <g transform="translate(50,50)" id="pointg"></g> | |
| </svg> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <script src="http://vizjs.org/viz.v1.3.0.min.js"></script> | |
| <script> | |
| var point = viz.point() | |
| .data(randomData()) | |
| var brush = d3.brush() | |
| .on("start brush", brushed) | |
| .extent([[-1, -1], [point.width() + 1, point.height() + 1]]) | |
| d3.select("#pointg").call(point) | |
| d3.select("#pointg").append("g").call(brush) | |
| function randomData(){ | |
| return d3.range(1000).map(function(i){ return {key:Math.random(), value: Math.random()}; }) | |
| } | |
| function brushed() { | |
| d3.select("#pointg") | |
| .selectAll(".point") | |
| .data(point.filterRect( d3.event.selection ).points()) | |
| .classed("selected",function(d){ return d.selected;}) | |
| } | |
| </script> |
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