# Floating point error after mesh transform

**URL:** https://discourse.paraview.org/t/floating-point-error-after-mesh-transform/8753
**Category:** ParaView Support
**Created:** [January 11, 2022, 9:25am UTC](https://discourse.paraview.org/t/floating-point-error-after-mesh-transform/8753 "2022-01-11T09:25:48Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![Yann\_G-R](https://discourse.paraview.org/user_avatar/discourse.paraview.org/yann_g-r/32/7864_2.png) [@Yann\_G-R](https://discourse.paraview.org/u/Yann_G-R)
#### Post date: [January 11, 2022, 9:25am UTC](https://discourse.paraview.org/t/floating-point-error-after-mesh-transform/8753/1 "2022-01-11T09:25:48Z")

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Hi,  
for my OpenFoam simulation I perform a Hammer-Aitov Transformation. This works pretty well, however when opening the transformed data in paraview there are some render issues. When I set to surface in representation I have a lot of falsely interpolated area as shown in the image.

 ![image](https://discourse.paraview.org/uploads/default/original/2X/3/38f3b9a884f39a761a1a772a09c9d901bd2ecbe2.jpeg)  
Furthermore, when I set the representation to points, the rendering is just fine. I think there is a floating point error when loading the case, as I noticed some collapsed cells. Is there a possibility to increase the precision?  
 ![image](https://discourse.paraview.org/uploads/default/original/2X/7/7df524cb63069f2a093807fcfd95d5ed5aa582d1.jpeg)

Thanks in advance!

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### Author: ![mwestphal](https://discourse.paraview.org/user_avatar/discourse.paraview.org/mwestphal/32/17_2.png) [@mwestphal](https://discourse.paraview.org/u/mwestphal)
#### Post date: [January 11, 2022, 9:33am UTC](https://discourse.paraview.org/t/floating-point-error-after-mesh-transform/8753/2 "2022-01-11T09:33:59Z")

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please share your data