[OpenFOAM] why can't see phi in paraview?

immortality · August 24, 2013, 01:58

in paraview how is it possible to see phi field?
I have phi field in time folders but can't be seen in paraview and isn't in fields list,why it's so?can have it to see?

wyldckat · August 24, 2013, 13:00

Hi Ehsan,

"phi" is a surface field, which is usually not available to be visible with the conventional readers.

There are at least 2 ways to see this field:

Rely on foamToVTK to get you the "phi" field in VTK file format:
Code:
```
foamToVTK -surfaceFields -fields '(phi)'
```
The files will be in the folder "VTK/surfaceFields" folder, so you'll have to open them manually in ParaView.
- The other problem then arises, is that you have to the "Glyph" filter and choose the "Sphere" for the "Glyph" option. It's shown in attachment.
Or you can build the latest "vtkPOFFReader" for ParaView, which is a more advanced version of the built-in reader in ParaView: http://openfoamwiki.net/index.php/Co...r_for_ParaView
If I'm not mistaken, somewhere here in the forum is explained how this plug-in can be built into ParaView. Problem is that this requires building ParaView from source code.

Best regards,
Bruno

immortality · August 24, 2013, 16:52

Hi
I did the 1st way,its the result,how can improve its appearance?

wyldckat · August 24, 2013, 16:59

I've never needed it much, so I never needed to figure it out. But:

One detail is that you can turn off the "Mask Points" option.
Another detail is that you can change the scale mode to off, so that the sizes are all identical, therefore making it easier to see the smaller values.
And to colour by the field "phi".

Beyond this, you'll have to try out the options that the "Glyph" filter gives you.

August 24, 2013, 01:58	why can't see phi in paraview?	#1
immortality Senior Member Ehsan Join Date: Oct 2012 Location: Iran Posts: 2,208 Rep Power: 26	in paraview how is it possible to see phi field? I have phi field in time folders but can't be seen in paraview and isn't in fields list,why it's so?can have it to see? __________________ Injustice Anywhere is a Threat for Justice Everywhere.Martin Luther King. To Be or Not To Be,Thats the Question! The Only Stupid Question Is the One that Goes Unasked.

August 24, 2013, 16:59		#4
wyldckat Retired Super Moderator Bruno Santos Join Date: Mar 2009 Location: Lisbon, Portugal Posts: 10,974 Blog Entries: 45 Rep Power: 128	I've never needed it much, so I never needed to figure it out. But: One detail is that you can turn off the "Mask Points" option. Another detail is that you can change the scale mode to off, so that the sizes are all identical, therefore making it easier to see the smaller values. And to colour by the field "phi". Beyond this, you'll have to try out the options that the "Glyph" filter gives you. immortality and openfoam_aero like this. __________________ OpenFOAM: FAQ \| Getting started Forum: How to get help, to post code/output and forum guide Read this before sending me PM

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