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关于model中graph的属性 #1

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JerryWangJun opened this issue Jan 16, 2024 · 2 comments
Open

关于model中graph的属性 #1

JerryWangJun opened this issue Jan 16, 2024 · 2 comments

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@JerryWangJun
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JerryWangJun commented Jan 16, 2024 •
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想请教一下model中的data_p.edge_attr和data_p.ptr分别表示什么？似乎在generate graph时生成的图中没有这两个属性，需要如何得到它们呢？
@zxx24
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zxx24 commented Apr 29, 2024

作者似乎是通过数据增强获得的edge_attr属性，ptr是用pyg 取batch时自动生成的用于区分图的属性。

@lazycg
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lazycg commented Apr 29, 2024

想请教一下model中的data_p.edge_attr和data_p.ptr分别表示什么？似乎在generate graph时生成的图中没有这两个属性，需要如何得到它们呢？

edge_attr是边的权值，这里是将节点的3D相对距离作为边权值，通过数据增强2获得。ptr是pytorch_geometric取batch图数据时用来区分图的属性

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@zxx24 @lazycg @JerryWangJun