[Camino-users] vtkstreamlines error

[Philip A Cook]

That's a lot of tracks. vtkstreamlines reads all the tract objects into memory, then writes all all their points, then writes out the cell information (ie, which points belong to each line). That is not going to work for such a large file.

You can use tractshredder to either downsample the tracts, or split them into different files, then run vtkstreamlines.

On May 23, 2013, at 1:30 PM, Mojdeh Zamyadi wrote:

> Hi all,
> 
> I'm trying to convert my probabilistic tracks (.Bfloat. size: 22.9 GB) into .vtk format in order to view them and make sure everything is working fine. However when I run the command: vtkstreamlines <bayesianTrack.Bfloat> bayesianTrack.vtk ,  I get the error: "Exception in thread "main" java.lang.OutOfMemoryError: Java heap space". I tried to increase CAMINO_HEAP_SIZE as far as 28000!! but I still get the error. When I try to go higher (eg. 30000) I get: "Aborted (core dumped). Does anyone know how I can get around this?
> 
> Thanks a lot,
> -Mojdeh
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