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fold by two (grids)
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| license: mit |
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| body { | |
| font-family: Helvetica; | |
| font-size: 10px; | |
| } | |
| rect { | |
| fill: none; | |
| stroke: black; | |
| stroke-width: 1; | |
| } | |
| </style> | |
| <body> | |
| <script src="http://d3js.org/d3.v4.js"></script> | |
| <script src="http://romsson.github.io/d3-gridding/build/d3-gridding.js"></script> | |
| <script> | |
| var width = 600, | |
| height = 400; | |
| var max_depth = 15; | |
| var gridding = d3.gridding(); | |
| var data = d3.range(2); | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width) | |
| .attr("height", height) | |
| .append("g"); | |
| function draw(params, data, level = 0) { | |
| gridding.params(params); | |
| var griddingData = gridding(data); | |
| svg.selectAll(".square_" + level) | |
| .data(griddingData) | |
| .enter() | |
| .append("rect") | |
| .attr("class", ".square_" + level) | |
| .attr("width", function(d) { return d.width; }) | |
| .attr("height", function(d) { return d.height; }) | |
| .attr("transform", function(d) { | |
| return "translate(" + d.x + "," + d.y + ")"; | |
| }); | |
| // A0, A1, A2, .. | |
| //svg.selectAll(".index_" + level) | |
| // .data(griddingData) | |
| // .enter().append("text") | |
| // .attr("class", "index_" + level) | |
| // .style('text-anchor', 'middle') | |
| // .style('dominant-baseline', 'central') | |
| // .attr("transform", function(d) { | |
| // return "translate(" + d.cx + "," + d.cy + ")"; | |
| // }) | |
| // .text(function(d, i) { | |
| // if(i === 1 && level < 9) | |
| // return "A" + level; | |
| // }); | |
| var d = griddingData[0]; | |
| if(level < max_depth) { | |
| draw({ | |
| size: [d.width, d.height], | |
| offset: [d.x, d.y], | |
| mode: level % 2 === 0 ? "horizontal": "vertical" | |
| }, data, level + 1); | |
| } | |
| } | |
| draw({ | |
| size: [width, height], | |
| offset: [0, 0], | |
| mode: "vertical" | |
| }, data); | |
| </script> |
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