# vtkPolyData actor behaviour is changed in VTK \>= 9.1

**URL:** https://discourse.vtk.org/t/vtkpolydata-actor-behaviour-is-changed-in-vtk-9-1/13037
**Category:** Support
**Tags:** python
**Created:** [January 9, 2024, 12:44pm UTC](https://discourse.vtk.org/t/vtkpolydata-actor-behaviour-is-changed-in-vtk-9-1/13037 "2024-01-09T12:44:38Z")
**Posts on this page:** 1
**Showing post:** 4

<div class="post-metadata">

### Author: ![sankhesh](https://discourse.vtk.org/user_avatar/discourse.vtk.org/sankhesh/32/73_2.png) [@sankhesh](https://discourse.vtk.org/u/sankhesh)
#### Post date: [January 10, 2024, 6:06pm UTC](https://discourse.vtk.org/t/vtkpolydata-actor-behaviour-is-changed-in-vtk-9-1/13037/4 "2024-01-10T18:06:10Z")

</div>

@Edoardo_Pasca Most likely you were seeing a side-effect of the issue fixed in [https://gitlab.kitware.com/vtk/vtk/-/merge\_requests/10403](https://gitlab.kitware.com/vtk/vtk/-/merge_requests/10403) where surface with edges had a padding added to the edges to compensate for thick lines.

---

_[View the full topic](https://discourse.vtk.org/t/vtkpolydata-actor-behaviour-is-changed-in-vtk-9-1/13037)._