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December 27, 2017 16:28
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random small curves (grids)
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| license: mit |
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| rect, path { | |
| 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 = 400, | |
| height = 400, | |
| n = 9, | |
| data = d3.range(n), | |
| max_depth = 4, | |
| root_grid = 49, | |
| node_grid = 3; | |
| var svg = d3.select("body") | |
| .append("svg") | |
| .attr("width", width) | |
| .attr("height", height) | |
| var root_params = { | |
| "size": [width, height], | |
| "offset": [0, 0], | |
| "mode": "grid" | |
| }; | |
| var level = 0; | |
| var line = d3.line().curve(d3.curveBasis); | |
| line | |
| .x(function(d) { return d.cx; }) | |
| .y(function(d) { return d.cy; }); | |
| function generate_layout(params, data = d3.range(root_grid), depth = 0) { | |
| var gridding = d3.gridding() | |
| .params(params); | |
| var griddingData = gridding(data); | |
| if(depth === 3) { | |
| level++; | |
| var lines = svg.selectAll(".line_" + level) | |
| .data([griddingData]); | |
| lines.enter().insert("path") | |
| .attr("class", "line_" + level) | |
| .attr("d", function(d) { return line(d); }); | |
| } | |
| if(depth < max_depth) { | |
| griddingData.forEach(function(d, i) { | |
| var grid_type = (i % 2) === 0 ? "coordinate": "horizontal"; | |
| var node_params = { | |
| "size": [d.width, d.height], | |
| "offset": [d.x, d.y], | |
| "mode": "coordinate" | |
| }; | |
| if(depth === 2) { | |
| node_params.size = [node_params.size[0] * 5, node_params.size[1] * 5]; | |
| node_params.offset = [node_params.offset[0] - node_params.size[0], node_params.offset[1] - node_params.size[1]]; | |
| } | |
| generate_layout(node_params, d3.range(node_grid), depth + 1); | |
| }); | |
| } | |
| } | |
| generate_layout(root_params); | |
| </script> | |
| </body> |
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