大规模图形可视化（50K 节点，100M 加权边）
我查看了许多用于图形布局的软件包（Graphviz、Gephi、Cytoscape、NetworkX 等一些比较流行的软件包），但它们似乎都无法缩放到这种大小。有什么技术可以可视化这种大小的图表或将其缩小到更易于管理的程度？
I've looked at a number of packages for graph layout (Graphviz, Gephi, Cytoscape, NetworkX to name a few of the more prevalent) and none of them seem to scale to this sort of size. What techniques exist for either visualizing graphs of this size or reducing them to something more manageable?
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Gephi 的 OpenOrd可视化插件可以布局数百万个节点。
Gephi's OpenOrd visualisation plugin can layout millions of nodes.
我使用可视化工具包Processing 来可视化大约30K 节点的网络。渲染节点不会有任何问题，但您需要删除一些边缘，也许删除权重最低的边缘（如果已加权），或者按照其他地方的建议，构建一个超图。
目前没有用于处理的网络库，因此无法访问布局算法等，您必须自己实现它，但速度很快。我一直在考虑发布一个库来帮助这种可视化。
http://www.processing.org
I've used the visualisation toolkit Processing for visualising networks of about 30K nodes. It won't have any problems rendering your nodes but you'll need to remove some of your edges, perhaps remove those with the lowest weight (if it's weighted), or, as suggested elsewhere, construct a hypergraph.
There's no networks library for Processing at this time, so there's no access to layout algorithms etc, you'll have to implement it yourself, bit it's pretty quick to do. I've been considering publishing a library to aid this kind of visualisation.
http://www.processing.org
Tulip 正是适合这种情况，但一旦达到大量节点和边，它的渲染速度就不是很快。
Tulip is suited to exactly this, but it's rendering isn't very fast once you get to high numbers of nodes and edges.