Pack layout (with padding).
From D3 in Depth book by Peter Cook.
license: gpl-3.0 | |
height: 330 | |
border: no |
Pack layout (with padding).
From D3 in Depth book by Peter Cook.
<!DOCTYPE html> | |
<meta charset="utf-8"> | |
<head> | |
<title>Pack layout (with padding)</title> | |
</head> | |
<style> | |
circle { | |
fill: indianred; | |
opacity: 0.3; | |
stroke: white; | |
} | |
</style> | |
<body> | |
<svg width="320" height="320"> | |
<g></g> | |
</svg> | |
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/4.2.2/d3.min.js"></script> | |
<script> | |
var data = { | |
"name": "A1", | |
"children": [ | |
{ | |
"name": "B1", | |
"children": [ | |
{ | |
"name": "C1", | |
"value": 100 | |
}, | |
{ | |
"name": "C2", | |
"value": 300 | |
}, | |
{ | |
"name": "C3", | |
"value": 200 | |
} | |
] | |
}, | |
{ | |
"name": "B2", | |
"value": 200 | |
} | |
] | |
}; | |
var packLayout = d3.pack() | |
.size([300, 300]) | |
.padding(10) | |
var rootNode = d3.hierarchy(data) | |
rootNode.sum(function(d) { | |
return d.value; | |
}); | |
packLayout(rootNode); | |
d3.select('svg g') | |
.selectAll('circle') | |
.data(rootNode.descendants()) | |
.enter() | |
.append('circle') | |
.attr('cx', function(d) { return d.x; }) | |
.attr('cy', function(d) { return d.y; }) | |
.attr('r', function(d) { return d.r; }) | |
</script> | |
</body> | |
</html> |