By default, clicking and dragging outside the current brush selection drags a new selection. This brush has been modified such that this interaction instead selects everything.
Last active
December 19, 2019 19:56
-
-
Save mbostock/87746f16b83cb9d5371394a001cbd772 to your computer and use it in GitHub Desktop.
Click to Select All
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.
Learn more about bidirectional Unicode characters
| license: gpl-3.0 | |
| redirect: https://observablehq.com/@d3/double-click-brush-clear |
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.
Learn more about bidirectional Unicode characters
| <!DOCTYPE html> | |
| <style> | |
| .selected { | |
| fill: red; | |
| stroke: brown; | |
| } | |
| </style> | |
| <svg width="960" height="500"></svg> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <script> | |
| var randomX = d3.randomUniform(0, 10), | |
| randomY = d3.randomNormal(0.5, 0.12), | |
| data = d3.range(800).map(function() { return [randomX(), randomY()]; }); | |
| var svg = d3.select("svg"), | |
| margin = {top: 194, right: 50, bottom: 214, left: 50}, | |
| width = +svg.attr("width") - margin.left - margin.right, | |
| height = +svg.attr("height") - margin.top - margin.bottom, | |
| g = svg.append("g").attr("transform", "translate(" + margin.left + "," + margin.top + ")"); | |
| var x = d3.scaleLinear() | |
| .domain([0, 10]) | |
| .range([0, width]); | |
| var y = d3.scaleLinear() | |
| .range([height, 0]); | |
| var brush = d3.brushX() | |
| .extent([[0, 0], [width, height]]) | |
| .on("start brush", brushed); | |
| var dot = g.append("g") | |
| .attr("fill-opacity", 0.2) | |
| .selectAll("circle") | |
| .data(data) | |
| .enter().append("circle") | |
| .attr("transform", function(d) { return "translate(" + x(d[0]) + "," + y(d[1]) + ")"; }) | |
| .attr("r", 3.5); | |
| g.append("g") | |
| .call(brush) | |
| .call(brush.move, [3, 5].map(x)) | |
| .selectAll(".overlay") | |
| .on("mousedown touchstart", beforebrushed, true); | |
| g.append("g") | |
| .attr("transform", "translate(0," + height + ")") | |
| .call(d3.axisBottom(x)); | |
| function beforebrushed() { | |
| d3.event.stopImmediatePropagation(); | |
| d3.select(this.parentNode).transition().call(brush.move, x.range()); | |
| } | |
| function brushed() { | |
| var extent = d3.event.selection.map(x.invert, x); | |
| dot.classed("selected", function(d) { return extent[0] <= d[0] && d[0] <= extent[1]; }); | |
| } | |
| </script> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
hi,
may i have your email please?