visualization of normals only in a certain area

Hey there!
Is there any possility that the blue normal vectors in the following state file only are shown in the green area?
I tried to Extract the Selection of cells and then apply the ‘generate surface normals’ filter but the filter is grayed out.Test.pvsm (690.8 KB)
Thanks in advance!

Hi @JanPara just a quick note, the save state file won’t contain any of the meshes and stuff you’re trying to show! So you’ll have to upload those too.

Just in case it helps, I notice that when ‘generate surface normals’ is greyed out for me, I generally need to run ‘Extract Surface’ first - maybe try that?

thanks it works! I didn’t know this Extract Surface Filter

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Glad it helps! =)