Built with blockbuilder.org Inspired by Mike Bostock's vornoi tessalation
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November 22, 2017 04:35
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voronoi Play
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| license: mit |
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| <!DOCTYPE html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <style> | |
| body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; } | |
| </style> | |
| </head> | |
| <body> | |
| <script> | |
| // Feel free to change or delete any of the code you see in this editor! | |
| var height = 500; | |
| var width = 960; | |
| var voronoi = d3.voronoi().extent([[-1, -1], [width + 1, height + 1]]); | |
| var xScale = d3.scaleLinear().domain([-100,100]).range([0, width]); | |
| var yScale = d3.scaleLinear().domain([-100,100]).range([height,0]); | |
| var data = [ [-86,12], [-3, -20], [-3, 15], [71, 10],[35,10], [56,25]].map(d => [xScale(d[0]), yScale(d[1])]); | |
| var colorScale = d3.scaleOrdinal(d3.schemeCategory10);//.domain(data); | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", 960) | |
| .attr("height", 500) | |
| var polygon = svg.append('g').attr('class', 'polygons') | |
| .selectAll('path') | |
| .data(voronoi.polygons(data)) | |
| .enter() | |
| .append('path') | |
| .call(redrawPolygon); | |
| var link = svg.append("g") | |
| .attr("class", "links") | |
| .selectAll("line") | |
| .data(voronoi.links(data)) | |
| .enter().append("line"); | |
| //.call(redrawLink); | |
| function redrawPolygon(polygon) { | |
| polygon | |
| .attr("d", function(d) {console.log(d, "HHHHHHHHH");return d ? "M" + d.join("L") + "Z" : null; }) | |
| .attr('fill', 'none') | |
| .attr('fill', d => {return(colorScale(d));} | |
| ) | |
| .on('mouseover', function(d){console.log(d, "HHHHHHHHHHHHHHHHH"); | |
| d3.select(this).attr('fill', 'grey'); | |
| }) | |
| .on('mouseout', function(d){d3.select(this).attr('fill', d => colorScale(d));}) | |
| ; | |
| var points = svg.selectAll('circle').data(data); | |
| points = points.enter().append('circle') | |
| .attr('r', 12) | |
| .attr('cx', d => d[0]) | |
| .attr('cy', d => d[1]) | |
| } | |
| /*svg.append("text") | |
| .text("Edit the code below to change me!") | |
| .attr("y", 200) | |
| .attr("x", 120) | |
| .attr("font-size", 36) | |
| .attr("font-family", "monospace")*/ | |
| </script> | |
| </body> |
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