CFD Online Logo CFD Online URL
www.cfd-online.com
[Sponsors]
Home > Forums > OpenFOAM Paraview & paraFoam

Cell Data to Point Data Issues

Register Blogs Members List Search Today's Posts Mark Forums Read

Reply
 
LinkBack Thread Tools Display Modes
Old   November 15, 2009, 07:33
Default Plotting Streamlines - Issues
  #1
New Member
 
Jamie
Join Date: Oct 2009
Posts: 5
Rep Power: 7
mcintoshjamie is on a distinguished road
All,

I'm using Paraview 3.6.1 and attempting to create a velocity vector from fluent results and then plot these as a streamline.

My current understanding:
1) I need to create a velocity vector from point data of the form:
(X_VELOCITY*iHat)+(Y_VELOCITY*jHat)+(Z_VELOCITY*kH at)
2) I need to produce a glyph of this vector
3) Use the stream tracer filter

Problems:
1) From the screenshot (1) below I've achieved this but only for "Attribute Data: Cell Data." When I select point data then I have no access to the data I need. (ie the only scalars left are coordinates - I need velocity)

I attempted to use the Cell Data to Point Data filter but as you can see my model disappears and it appears to not have worked correctly. (Screenshot 2)

This is confirmed when I attempt to create a point data calculator for the vectors I need with nothing showing. (Screenshot 3)

2-3) Will be simple when 1 works!

Any help will be appreciated as I'm sure this is just a simple fix and I'm just missing something. Thanks for your time.

Jamie





Last edited by mcintoshjamie; November 19, 2009 at 04:56.
mcintoshjamie is offline   Reply With Quote

Old   November 15, 2009, 17:28
Default
  #2
New Member
 
Jamie
Join Date: Oct 2009
Posts: 5
Rep Power: 7
mcintoshjamie is on a distinguished road
Right I've managed to create some vectors by using the "Cell Centers" and then "Glyph" filters but it's not the result I'm aiming for (Screenshot 1). I'm trying to produce a streamline which shows the route the particles follow as they move through the model and any assistance with this final step will be really appreciated.

I've tried using the "ParticleTracer" filter and get the following:

p, li { white-space: pre-wrap; } ERROR: In /builddir/build/BUILD/ParaView3/VTK/Filtering/vtkDemandDrivenPipeline.cxx, line 728
vtkCompositeDataPipeline (0x2b7a060): Input port 1 of algorithm vtkTemporalStreamTracer(0x2e67f00) has 0 connections but is not optional.

I've also tried using the "Particle Pathlines" filter which doesn't give an error yet doesn't produce any pathlines. Result shown in Screenshot 2.

I've also tried the "StreamTracer" filter with no joy as shown in Screenshot 3 --> Nothing produced.

Please help, I'm sure I'm just missing something simple.





mcintoshjamie is offline   Reply With Quote

Old   November 19, 2009, 04:55
Default
  #3
New Member
 
Jamie
Join Date: Oct 2009
Posts: 5
Rep Power: 7
mcintoshjamie is on a distinguished road
All,

I'm still trying to sort this problem out with no luck. Any suggestions will be appreciated!

Thanks
Jamie
mcintoshjamie is offline   Reply With Quote

Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
Wall - Cell & Wall data 3rdEYE STAR-CD 0 September 15, 2009 02:47
Point cloud data ms Main CFD Forum 1 July 25, 2006 16:54
what is the cfx5.6 cell and face data structure? Erica CFX 3 December 23, 2004 22:46
how to get specific cell data Shanta CD-adapco 1 November 29, 2004 12:38
Point Data -> Spline -> Iges Tim Franke Main CFD Forum 1 July 6, 2000 12:14


All times are GMT -4. The time now is 00:34.