Use D3.js to add multiple shapes in a single append, similar to how you would create a bunch of rectangles
Created
January 28, 2013 21:29
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D3.js custom shapes in single append
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<!DOCTYPE html> | |
<meta charset="utf-8"> | |
<html> | |
<head> | |
<title>D3.js Flowchart Shapes</title> | |
<style type="text/css"> | |
</style> | |
</head> | |
<body> | |
<script src="http://d3js.org/d3.v3.min.js"></script> | |
<script type="text/javascript"> | |
var flow_shapes = { | |
prep: function(height, width) { | |
var points = [ [0,height/2], [width*.2,0], [width*.8,0], [width,height/2],[width*.8,height],[width*.2,height],[0,height/2] ] | |
return d3.svg.line()(points); | |
}, | |
io: function(height, width) { | |
var points = [ [0,height], [width*.2,0], [width,0], [width*.8,height], [0,height] ] | |
return d3.svg.line()(points); | |
} | |
} | |
var nodes = [ | |
{NodeType: "prep", x:50, y:50, height:40, width: 160}, | |
{NodeType: "io", x:50, y:125, height:40, width: 160}, | |
{NodeType: "io", x:50, y:200, height:40, width: 160} | |
] | |
svg = d3.select("body").append("svg:svg").attr("width", 600).attr("height", 600) | |
svg.selectAll("path") | |
.data(nodes).enter().append("svg:path") | |
.attr("d", function(d) { return flow_shapes[d.NodeType](d.height, d.width);}) | |
.attr("stroke", "black") | |
.attr("fill", "none") | |
.attr("transform", function(d) { | |
return "translate(" + d.x + "," + d.y + ")" | |
}); | |
</script> | |
</body> |
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