# GetPointCells has different results between activiz and vtk

**URL:** <https://discourse.vtk.org/t/getpointcells-has-different-results-between-activiz-and-vtk/15911>\
**Category:** Development\
**Tags:** code\
**Created:** [August 1, 2025, 1:27pm UTC](https://discourse.vtk.org/t/getpointcells-has-different-results-between-activiz-and-vtk/15911 "2025-08-01T13:27:49Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![INCREADIBLE](https://discourse.vtk.org/letter_avatar_proxy/v4/letter/i/c68b51/32.png) [@INCREADIBLE](https://discourse.vtk.org/u/INCREADIBLE)\
**Post date:** [August 1, 2025, 1:27pm UTC](https://discourse.vtk.org/t/getpointcells-has-different-results-between-activiz-and-vtk/15911/1 "2025-08-01T13:27:50Z")

</div>

Recenty i am moving some code from VTK to Activiz 9.4, and i found some function working strangely, for example:

```csharp
 var cellIds = vtkIdList.New();
 polyData.GetPointCells(index, cellIds);

```

The order of cellIds from 0 to N is the exact opposite of the C++ version.