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d3 (v3) brush with numeric labels
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| license: mit |
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"> | |
| <script src="https://unpkg.com/d3@3.5.5/d3.min.js"></script> | |
| <style> | |
| body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; } | |
| .axis path, line { | |
| fill: none; | |
| stroke: black; | |
| } | |
| .brush .background { | |
| stroke: none; | |
| fill: none; | |
| } | |
| .brush .extent { | |
| stroke: #fff; | |
| fill-opacity: .125; | |
| shape-rendering: crispEdges; | |
| } | |
| .brush text { | |
| font-size: 0.75em; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <script> | |
| // Feel free to change or delete any of the code you see in this editor! | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", 960) | |
| .attr("height", 500) | |
| var yScale = d3.scale.linear().domain([0,1000]).range([50,250]) | |
| var dimension = svg.append("g") | |
| .attr("transform", "translate(200,0)") | |
| dimension.append("g") | |
| .classed("axis axis-y", true) | |
| .call(d3.svg.axis().scale(yScale).orient("right")); | |
| var brush = d3.svg.brush() | |
| .y(yScale) | |
| .on("brush", brushmove); | |
| var brushg = dimension.append("g") | |
| .classed("brush", true) | |
| .call(brush); | |
| brushg.selectAll("rect") | |
| .style("visibility", null) | |
| .attr("x", -10) | |
| .attr("width", 20); | |
| brushg.selectAll(".resize rect") | |
| .attr("height", 3); | |
| brushg.selectAll(".resize.n") | |
| .append("text") | |
| .text("") | |
| .style("text-anchor", "end") | |
| .attr("dx", "-0.7em") | |
| .attr("dy", "-0.45em") | |
| brushg.selectAll(".resize.s") | |
| .append("text") | |
| .text("") | |
| .style("text-anchor", "end") | |
| .attr("dx", "-0.7em") | |
| .attr("dy", "0.8em") | |
| function brushmove() { | |
| debugger | |
| d3.select(this).select(".resize.n text").text(brush.extent()[0]); | |
| d3.select(this).select(".resize.s text").text(brush.extent()[1]); | |
| } | |
| </script> | |
| </body> |
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