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[SCIRUN-USERS] Re: Loss of Data when using matlab data in scirun

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  • From: Yagna Pathak <>
  • To: Darrell Swenson <>
  • Cc:
  • Subject: [SCIRUN-USERS] Re: Loss of Data when using matlab data in scirun
  • Date: Wed, 21 Sep 2011 12:15:45 -0500

Thanks! That did the trick :)


On Wed, Sep 21, 2011 at 11:36 AM, Darrell Swenson <> wrote:
I am not sure that I am clear on what you are trying to do, but it sounds like you are clipping a FE mesh based on data located at the nodes.  This can be tricky because in a FE mesh you often times cannot simply remove one node, you have to remove the whole element or nothing at all.  So to avoid this you could convert your mesh to a point cloud (ConvertMeshtoPointCloud) and then clip the mesh based on the data.  This should give you the right number of nodes, but it will no longer be on a FE mesh.


On Sep 21, 2011, at 10:22 AM, Yagna Pathak wrote:

> Hi,
> I have a vector of non-binary values that was generated in matlab. The indices of this vector are the node values that correspond to the pial surface. I then read it into scirun with the ReadMatrix and SetFieldData. When I try to display my individual patches from the vector with ClipFieldbyFunction, I tend to lose many of my nodes. How can I fix this problem? I checked on matlab, I should have around 3700 nodes, but with SCIRUN, I only get a display of 3300 nodes.
> Thanks,
> Yagna Pathak

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