A test of d3.interpolateZoom plugin with text elements.
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| .mesh { | |
| fill: none; | |
| stroke: #000; | |
| stroke-width: .25px; | |
| } | |
| .start { | |
| fill: none; | |
| stroke: brown; | |
| } | |
| .end { | |
| fill: none; | |
| stroke: steelblue; | |
| } | |
| </style> | |
| <body> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script src="https://raw.github.com/d3/d3-plugins/master/interpolate-zoom/interpolate-zoom.js"></script> | |
| <script> | |
| var width = 960, | |
| height = 500, | |
| radius = 10; | |
| var p0 = [250, 200, 60], | |
| p1 = [560, 300, 120]; | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width) | |
| .attr("height", height) | |
| .append("g") | |
| .call(transition, p0, p1); | |
| svg.selectAll("circle") | |
| .data([p0, p1]) | |
| .enter().append("circle") | |
| .attr("class", function(d, i) { return i ? "end" : "start"; }) | |
| .attr("cx", function(d) { return d[0]; }) | |
| .attr("cy", function(d) { return d[1]; }) | |
| .attr("r", function(d) { return d[2] / 2 - .5; }); | |
| function transition(svg, start, end) { | |
| var center = [width / 2, height / 2], | |
| i = d3.interpolateZoom(start, end); | |
| svg | |
| .attr("transform", transform(start)) | |
| .transition() | |
| .delay(250) | |
| .duration(i.duration * 2) | |
| .attrTween("transform", function() { return function(t) { return transform(i(t)); }; }) | |
| .each("end", function() { d3.select(this).call(transition, end, start); }); | |
| svg.selectAll("text") | |
| .data(d3.range(10,height,50).map(function(x) {return {'x':x,'y':x};})) | |
| .enter().append("text") | |
| .attr('x',function(d) {return d.x;}) | |
| .attr('y',function(d) {return d.y;}) | |
| .text("these are all text elements"); | |
| function transform(p) { | |
| var k = height / p[2]; | |
| return "translate(" + (center[0] - p[0] * k) + "," + (center[1] - p[1] * k) + ")scale(" + k + ")"; | |
| } | |
| } | |
| </script> |
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