[Insight-developers] Streaming writing checking in

[Bradley Lowekamp]

Hello all!

I check in the changes to make ImageFileWriter streaming. There is  
still some work to do.

On the positive side:
I don't see any related warning or errors
itkImageFileWriterStreamingPasteCompressingTest1 is now passing
Only an expected test and tests related to streaming failed

I expected:
itkImageToVectorImageFilterTest there is a bug related to  
initialization in the wrong place (will be put into mantis shortly)
itkImageFileWriterPasting2_2 and itkImageFileWriterStreaming1_2 to  
fail as there are some modifications to be made to MetaImageIO to make  
it fully conform to the new interface. Currently it's behaving as it  
use to and these two cases produce erroneous results.

Unexpected:
Win32 hates my new code and tests. I am not sure why just about all of  
the new streaming and pasting test are failing here.

Part of the reason for some of the ugliness on the dashboard is to  
take this opportunity to verify that without modification to an  
ImageIO class that it would still be functional with this new  
interface (at least as good as it was before). That is to say, take  
this opportunity to verify backwards compatibility.

I was able to stream the Visibile Human perfectly well on my  
workstation. I think the problems I was experiencing last friday, are  
related to using a 32-bit build with a 4G+ dataset. It's very cool  
that this should be possible now, but it's going to be a little bit  
tricky tracking this issue down. I am also not sure where the best  
place to write a test for something like this. I would think the big- 
mem  or big file tests are all for 64-bit systems, but that is not   
the case for this.

Brad


========================================================
Bradley Lowekamp
Lockheed Martin Contractor for
Office of High Performance Computing and Communications
National Library of Medicine
blowekamp at mail.nih.gov

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