Index Node
The Index node gives an integer value indicating the position of each element in the list, starting at zero. This depends on the internal order of the data in the geometry, which is not necessarily visible in the 3D Viewport. However, the index value is visible in the left-most column in the Spreadsheet Editor.
Note
To avoid relying on consistent indices, it is recommended to calculate them locally, or to avoid operations that change topology when they must be consistent over time.
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编号
Integer value which enumerates each point on the geometry.