[ITK] PasteImageFilter

[Bradley Lowekamp]

Hello,

I don't believe that Paste writing is supported by HDF5 image file format. If it is it might not be well tested.

You might want to try an mha file extension to use the MetaImageIO file formation. I have used the mha and mrc file extensions heavily with streaming and have complete confidence in their implementation. I don't have much first hand experience with hdf5 though.


I have had to do simular operations before. However, I don't use the Paste feature for Streaming IO, just set the number of streaming streaming divisions. What I do is I create a pipeline which composes all the files ( sometime the JoinSeriesImageFilter or the TileImageFilter ) which can be the PasteImageFilter for you, then set that as input to the writer where the number of streaming divisions is set to the number of z-slices. To get the information from the input files call ImageFileReader::UpdateOutputInformation(). This will update the meta-data ( largest possible region, meta-data dictionary etc), but not read the image data.

Hope this helps,
Brad



On May 7, 2014, at 5:18 AM, David Froger <david.froger.ml at mailoo.org> wrote:

> Hi,
> 
> I have a 3D vector image scatterd in multiple HDF5 files, one of each containing a
> 3D vector region of the image.
> 
> I want to loop on all files and write the whole 3D vector image to the disk, but by
> allocating memory for only the small regions of the 3D vector image, not the whole
> 3D vector image.
> 
> The code I wrote fails and I don't know how to fix the error. For clarity, I
> left all the implementation details in the attached files.
> 
> Any help or suggestion welcome!
> 
> Thanks,
> David
> 
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