# VtkPolygon Inflate not working

**URL:** https://discourse.vtk.org/t/vtkpolygon-inflate-not-working/9064
**Category:** Support
**Created:** [August 2, 2022, 12:30pm UTC](https://discourse.vtk.org/t/vtkpolygon-inflate-not-working/9064 "2022-08-02T12:30:32Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![RAUMIK\_RANA](https://discourse.vtk.org/user_avatar/discourse.vtk.org/raumik_rana/32/3338_2.png) [@RAUMIK\_RANA](https://discourse.vtk.org/u/RAUMIK_RANA)
#### Post date: [August 2, 2022, 12:30pm UTC](https://discourse.vtk.org/t/vtkpolygon-inflate-not-working/9064/1 "2022-08-02T12:30:32Z")

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[https://kitware.github.io/vtk-examples/site/Python/GeometricObjects/Polygon/](https://kitware.github.io/vtk-examples/site/Python/GeometricObjects/Polygon/)

I tried to inflate vtkPolygon but not working.

Is vtkPolygon support Inflate or not?

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### Author: ![Francois\_Mazen](https://discourse.vtk.org/user_avatar/discourse.vtk.org/francois_mazen/32/3290_2.png) [@Francois\_Mazen](https://discourse.vtk.org/u/Francois_Mazen)
#### Post date: [August 3, 2022, 9:54am UTC](https://discourse.vtk.org/t/vtkpolygon-inflate-not-working/9064/2 "2022-08-03T09:54:01Z")

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Hello @RAUMIK_RANA

you may look at the Warp Scalar algorithm: [https://vtk.org/doc/nightly/html/classvtkWarpScalar.html#details](https://vtk.org/doc/nightly/html/classvtkWarpScalar.html#details)

Best,