Hi Richard,
a vtp file should contain polygonal surfaces (the 'p' in vtp stands for 'poly
data', while the 'i' for 'image data').
Your best bet to load a vti file in Matlab is to convert it to some other image
format, like nrrd
http://www.mathworks.com/matlabcentral/fileexchange/34653-nrrd-format-file-reader/content/nrrdread.m
or mha
http://www.mathworks.com/matlabcentral/fileexchange/29344-read-medical-data-3d/content/mha/mha_read_volume.m
Hope this helps.
Luca
On May 2, 2013, at 6:53 PM, Richard Abrich wrote:
> Hello everyone,
>
> I used vmtklevelsetsegmentation to segment the coronary arteries in a CT
> volume, and saved them to a VTI file, which defaulted to the XML format. I'd
> like to import the data into Matlab for processing, but I haven't found a
> good way to do it. Therefore, I'd like to convert the VTI XML file into a VTP
> format.
>
> Here is the command I'm running:
>
> vmtkimagereader -ifile C:/levelsets.vti --pipe vmtkimagewriter -ofile
> C:/levelsets.vtp
>
> However, this command fails with the following popup error message:
>
> "Microsoft Visual C++ Runtime Library"
> "Runtime error! Program: C:\Python27\pythonw.exe This application has
> requested the Runtime to terminate it in an unusual way. Please contact the
> application's support team for more information."
>
> If I run it from the command line, the same output:
>
> "This application has requested the Runtime to terminate it in an unusual
> way. Please contact the application's support team for more information."
>
> I've also tried using the explicit syntax with the same results:
>
> vmtkimagereader -ifile C:/levelsets.vti --pipe vmtkimagewriter -i
> @vmtkimagereader.o -ofile C:/levelsets.vtp
>
> I've tried running as administrator, to no avail.
>
> I've attached the log of the complete output. I tried adding a debug message
> to the very beginning of the __init__(self) function in vmtkimagewriter, but
> it seems to never reach it.
>
> I'm on Windows 7 64-bit, with 32GB of RAM. Any ideas?
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