[Insight-users] Failed to allocate memory for image

[Sara Rolfe]

Hello,

I am having trouble trying to resize a volume using  
SubsampleVolume.cxx from the /Examples/Filtering directory.  After  
checking the mail archives, I added filter- 
 >SetReleaseDataFlag( true ); to each of the filters.  I then replaced  
the RecursiveGaussianImageFilter with the GradientMagnitudeImageFilter  
since it requires less memory.  These fixes did not solve my problem.   
I next commented out one filter at a time and found that I get the  
memory error when I include the ImageFileReader, CastImageFilter, and  
GradientMagnitudeImageFilter.

Could you suggest any further fixes?  I am working on a Mac with 2G of  
memory.  The image I'm working with is 402 MB (1024x1024x402).
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