[Paraview] Stream Tracer Problem

[Moreland, Kenneth]

That is not a lot of detail to go on so I have to guess what the problem is. It is probably either that the seeds are not intersecting the mesh or that vectors do not yield good lines.

If you mesh is very thin or comprises surface elements, then chances are all the seed points are outside your mesh. The default point source is actually a point cloud with randomly selected points within a sphere of a certain radius. If your mesh is flat, the chance of any seed happening to hit it are extremely low. Try changing to a line source and see if that helps.

It could be that the vectors your creating are not integrating well. It could be that the vectors are pointing off of the mesh (which is also common in thin or flat meshes). Thus it dies before it starts. Or perhaps it has some other feature that makes it difficult to integrate.

-Ken

From: Paul Graham <meteorpaul at gmail.com<mailto:meteorpaul at gmail.com>>
Date: Wednesday, November 6, 2013 2:40 PM
To: "paraview at paraview.org<mailto:paraview at paraview.org>" <paraview at paraview.org<mailto:paraview at paraview.org>>
Subject: [EXTERNAL] [Paraview] Stream Tracer Problem

Hi Everyone,

I am unable to display a Stream Tracer and not sure what is going wrong.  After creating a vector field using the Calculator Filter, I added the Stream Tracer filter using a point source seed (default setting).  The point source  origin is displayed but nothing else.  Can anyone help me as to what I have to do to get the stream lines to show?

Thanks in advance,

Paul

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