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[grid] overlapping circles + clipping
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| license: mit |
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| body { | |
| font-family: Helvetica; | |
| font-size: 20px; | |
| } | |
| circle { | |
| fill: none; | |
| stroke: white; | |
| 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, | |
| offset = 50; | |
| // params to play with | |
| var n = 50, | |
| m = 5, | |
| data = d3.range(n); | |
| var svg = d3.select("body") | |
| .append("svg") | |
| .attr("width", width) | |
| .attr("height", height) | |
| .append("g") | |
| .attr("transform", "translate(" + offset + ", " + offset + ")"); | |
| var params = { | |
| "size": [width, height], | |
| "offset": [0, 0], | |
| "mode": "grid" | |
| }; | |
| var gridding = d3.gridding() | |
| .params(params); | |
| var griddingData = gridding(data); | |
| var w = griddingData[0].width; | |
| var h = griddingData[0].height; | |
| var defs = svg.append("defs").selectAll("clipPath") | |
| .data(griddingData) | |
| .enter() | |
| .append("clipPath") | |
| .attr("id", function(d, i) { return "clip_" + i; }) | |
| .append("rect") | |
| .attr("width", function(d) { return d.width; }) | |
| .attr("height", function(d) { return d.height; }); | |
| var g = svg.selectAll("g") | |
| .data(griddingData) | |
| .enter() | |
| .append("g") | |
| .attr("transform", function(d) { | |
| return "translate(" + d.x + "," + d.y + ")"; | |
| }) | |
| .attr("clip-path", function(d, i) { return "url(#clip_" + i + ")" }) | |
| var circles = g.selectAll("#circle") | |
| .data(d3.range(m).sort(d3.descending)) | |
| .enter().append("circle") | |
| .attr("class", "circle") | |
| .attr("cx", w) | |
| .attr("cy", h) | |
| .style("fill", function(d) { | |
| if(Math.random() > .4) | |
| return "black"; | |
| else | |
| return "white"; | |
| }) | |
| .attr("id", "circle") | |
| .attr("r", function(d) { return w/4 + 1 * (d / (2*m)) * w; }) | |
| </script> | |
| </body> |
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