Integrating over a surface

simbha · May 6, 2013, 13:34

Hello all,

I am new to using paraview and I am having some trouble in trying to integrate over a surface. I am not sure as to how to extract a selection and then apply integrate variables filter on it.

A step by step walkthrough or tutorial on how to use it will be of great help. I did some extensive search on the internet and was really not able to find a solution.

Thank you in advance,
Kaushik

berk · May 11, 2013, 20:08

Hi Kaushik,

I am assuming that you have a volumetric mesh. When you turn on the "Surface" representation mode and you select on the surface displayed, ParaView will still select volumetric cells that intersect the surface and the area you selected. To integrate over a surface, you first need to extract it. If you want to extract the external surface of a dataset, apply the Extract Surface filter. You can now select a subset of this surface and apply the Extract Selection filter to extract it. You can then apply Integrate Variables to integrate over this surface. I hope this helps.

May 6, 2013, 13:34	Integrating over a surface	#1
simbha New Member Kaushik Join Date: May 2013 Posts: 1 Rep Power: 0	Hello all, I am new to using paraview and I am having some trouble in trying to integrate over a surface. I am not sure as to how to extract a selection and then apply integrate variables filter on it. A step by step walkthrough or tutorial on how to use it will be of great help. I did some extensive search on the internet and was really not able to find a solution. Thank you in advance, Kaushik

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May 11, 2013, 20:08		#2
berk New Member Berk Geveci Join Date: Apr 2013 Posts: 5 Rep Power: 2	Hi Kaushik, I am assuming that you have a volumetric mesh. When you turn on the "Surface" representation mode and you select on the surface displayed, ParaView will still select volumetric cells that intersect the surface and the area you selected. To integrate over a surface, you first need to extract it. If you want to extract the external surface of a dataset, apply the Extract Surface filter. You can now select a subset of this surface and apply the Extract Selection filter to extract it. You can then apply Integrate Variables to integrate over this surface. I hope this helps.