This takes @mbostock's state grid and turns it into a hop-scotch area.
Last active
September 28, 2016 14:35
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Hop-scotch ASCII Choropleth
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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> | |
| <meta charset="utf-8"> | |
| <style> | |
| .state rect { | |
| fill: #dedede; | |
| } | |
| .state text { | |
| font: 12px sans-serif; | |
| text-anchor: middle; | |
| } | |
| .state--selected rect { | |
| fill: #9f4a6c; | |
| } | |
| .state--selected text { | |
| fill: white; | |
| } | |
| </style> | |
| <svg width="960" height="500"></svg> | |
| <script id="grid" type="text/plain"> | |
| 8 | |
| 6 7 | |
| 5 | |
| 4 | |
| 2 3 | |
| 1 | |
| </script> | |
| <script src="//d3js.org/d3.v3.min.js"></script> | |
| <script> | |
| var states = [], | |
| selectedStates = ["2", "6", "8"]; | |
| d3.select("#grid").text().split("\n").forEach(function(line, i) { | |
| var re = /\w+/g, m; | |
| while (m = re.exec(line)) states.push({ | |
| name: m[0], | |
| selected: selectedStates.indexOf(m[0]) >= 0, | |
| x: m.index / 2, | |
| y: i | |
| }); | |
| }); | |
| var svg = d3.select("svg"), | |
| width = +svg.attr("width"), | |
| height = +svg.attr("height"); | |
| var gridWidth = d3.max(states, function(d) { return d.x; }) + 1, | |
| gridHeight = d3.max(states, function(d) { return d.y; }) + 1, | |
| cellSize = 40; | |
| var state = svg.append("g") | |
| .attr("transform", "translate(" + width / 2 + "," + height / 2 + ")") | |
| .selectAll(".state") | |
| .data(states) | |
| .enter().append("g") | |
| .attr("class", function(d) { return "state" + (d.selected ? " state--selected" : ""); }) | |
| .attr("transform", function(d) { return "translate(" + (d.x - gridWidth / 2) * cellSize + "," + (d.y - gridHeight / 2) * cellSize + ")"; }); | |
| state.append("rect") | |
| .attr("x", -cellSize / 2) | |
| .attr("y", -cellSize / 2) | |
| .attr("width", cellSize - 1) | |
| .attr("height", cellSize - 1); | |
| state.append("text") | |
| .attr("dy", ".35em") | |
| .text(function(d) { return d.name; }); | |
| </script> |
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