How can I plot surface normals?

24 Mar 2021
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Updated 6 May 2021
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This question was flagged by Cris LaPierre
  • Flagged as Duplicate by Cris LaPierre on 24 Mar 2021.

    https://www.mathworks.com/matlabcentral/answers/769632-how-can-i-plot-the-surface-normal-variation-of-any-given-surface?s_tid=srchtitle

I am using the PDE toolbox to import a geometry and plot it. I now need to obtain the surface normals of that geometry, but I can't seem to do it. I have tried surfnorm and quiver, but it doesn't lead me anywhere. I don't know what I'm doing wrong. Any ideas?

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darova
darova on 24 Mar 2021
surfnorm needs surface object. Can you interpolate your data to create surface?
Jaime Castiblanques
Jaime Castiblanques on 24 Mar 2021
The object I am importing is a surface, so I assumed that would do it.

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Asked:

Jaime Castiblanques
Jaime Castiblanques
on 24 Mar 2021

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Rena Berman
Rena Berman
on 6 May 2021

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