将networkx图转换为flare json [英] Converting networkx graph to flare json

问题描述

我有一个networkx图

g

我想绘制这种可视化效果

http://mbostock.github.io/d3/talk/20111018/tree.html

这意味着我必须以某种方式将图形转换为flare.json

https://bitbucket.org/john2x/d3test/src/2ce4dd511244/d3/examples/data/flare.json

将该图转换为树..我将提供一个种子节点作为json的根，然后通过将边缘添加到该树作为其子节点(最多3跳)来生长该树. 我该怎么做?

解决方案

如果您有一棵树，则可以使用networkx dfs_tree()可以工作. 也许您已经知道要如何从图形中构建树.

在http://mbostock.github.io/d3/talk/20111018/tree.html

What that means is somehow I have to convert my graph into flare.json

https://bitbucket.org/john2x/d3test/src/2ce4dd511244/d3/examples/data/flare.json

To convert this graph into a tree.. I will give a seed node which serves as root of this json and then grow the tree by adding edges to this tree as its children upto say 3 hops.. How do i do this?

解决方案

If you have a tree you can use the networkx tree_data() function to write the data in JSON tree format for that flare.json example.

The example shown there is:

>>> from networkx.readwrite import json_graph
>>> G = nx.DiGraph([(1,2)])
>>> data = json_graph.tree_data(G,root=1)

To build a tree from your graph either bfs_tree() or dfs_tree() would work. Or maybe you already know how you want to build a tree from your graph.

There is an example of how to use the d3.js library with NetworkX at https://networkx.github.io/documentation/stable/auto_examples/index.html#javascript That uses the d3.js force layout code.

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