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December 26, 2015 19:29
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d3 scale test
測試d3的scale基本用法
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| svg=d3.select('svg') | |
| .attr('width','250px') | |
| .attr('height','250px') | |
| console.dir d3.select('svg') | |
| data=[{x:35,y:10},{x:15,y:30}] | |
| svg.selectAll('circle') | |
| .data(data) | |
| .enter() | |
| .append('circle') | |
| .attr('cx',(d)->return d.x) | |
| .attr('cy',(d)->return d.y) | |
| .attr('r',(d)->10) | |
| #console.dir(data) | |
| console.log "Hello" | |
| d3.select("p").text("hello world this is p") | |
| d3.select("body").append("p").text("Hihi append").style("color",'#900') | |
| svg.append('line') | |
| .attr('x1',0) | |
| .attr('y1',0) | |
| .attr('x2',100) | |
| .attr('y2',100) | |
| .attr('stroke','green') | |
| .attr("stroke-width",10) | |
| .attr('color','#f00') | |
| data=[20,40,50,60,20,25,33,12,28,38,19] | |
| xscale=d3.scale.linear() | |
| .domain([0,50]) | |
| .range([0,250]) | |
| color=d3.scale.linear() | |
| .domain([0,60]) | |
| .range(["red","blue"]) | |
| svg.selectAll('rect') | |
| .data(data) | |
| .enter() | |
| .append('rect') | |
| .attr('width',(d)->return xscale(d)) | |
| .attr('height',(d)->return 9) | |
| .attr('fill',(d)->return color(d)) | |
| .attr('y',(d,i)->return i*10) |
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| svg{ | |
| border:1px dashed #ccc; | |
| } |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset=utf-8 /> | |
| <title>JS Bin</title> | |
| <script src="//ajax.googleapis.com/ajax/libs/angularjs/1.0.7/angular.min.js"></script> | |
| <script src="//cdnjs.cloudflare.com/ajax/libs/d3/3.3.3/d3.min.js"></script> | |
| </head> | |
| <body> | |
| <p></p> | |
| <svg></svg> | |
| </body> | |
| </html> |
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