画一个均方树图
Squarified_Treemap(data_file)
datafile: 一棵用json描述的树
示例:
{
"name": "flare",
"children": [
{
"name": "analytics",
"children": [
{
"name": "cluster",
"children": [
{"name": "AgglomerativeCluster", "value": 3938},
{"name": "CommunityStructure", "value": 3812},
{"name": "HierarchicalCluster", "value": 6714},
{"name": "MergeEdge", "value": 743}
]
},
{
"name": "optimization",
"children": [
{"name": "AspectRatioBanker", "value": 7074}
]
}
]
},
{
"name": "animate",
"children": [
{"name": "Easing", "value": 17010},
{"name": "FunctionSequence", "value": 5842},
{
"name": "interpolate",
"children": [
{"name": "ArrayInterpolator", "value": 1983},
{"name": "ColorInterpolator", "value": 2047}
]
},
{"name": "ISchedulable", "value": 1041},
{"name": "Parallel", "value": 5176},
{"name": "Pause", "value": 449}
]
}
]
}