[vtk-developers] problems persist with java, gdcm, and vtk in the git trunk

[Mark Roden]

Hi all,

Thanks for your work on this, Mathieu.  Unfortunately, the fix doesn't
work; it actually breaks vtk's handling of strings elsewhere, before
my code even gets to the vtkGDCM code.  Everything will compile, but
it won't run.

I've reflected this in the gerrit patch.  Let me know what else I can
do; I'll definitely keep an eye open for other patches, or can skype
for fixing issues in a pair.

Mark

On Thu, Feb 10, 2011 at 5:13 AM, David Partyka
<david.partyka at kitware.com> wrote:
> When this gets committed let me know and I will put it on the release branch
> as well.
>
> On Thu, Feb 10, 2011 at 4:01 AM, Mathieu Malaterre
> <mathieu.malaterre at gmail.com> wrote:
>>
>> Mark,
>>
>>  I believe I found your issue:
>>
>> http://review.source.kitware.com/#change,886
>>
>> Thanks for reviewing.
>>
>> On Wed, Feb 9, 2011 at 3:33 AM, Mark Roden <mmroden at gmail.com> wrote:
>> > Hi all,
>> >
>> > I have a problem using gdcm with vtk 5.9 (both found in their
>> > respective git trunks) when wrapped in java.  This problem does NOT
>> > happen with vtk 5.6.
>> >
>> > If I wrap everything in java, build using java with release or debug
>> > on both gdcm and vtk, and on mac or on windows using either gcc or
>> > visual studio 2008, respectively.  The mac is built using unix
>> > makefiles, not xcode.
>> >
>> > I've checked in some sample code in the gdcm repository that should
>> > show this behavior (at least, it shows it on mine).  It's a mockup of
>> > the Medical3.java example that's been modified to use the
>> > vtkGDCMImageReader object instead of the v16 reader.  The file is
>> > gdcmImageReadingExample.java.  There is quite a bit of code there, but
>> > the relevant portion is the gdcmReader.Update() line.
>> >
>> > The relevant code looks like (where theSize and filenames have been
>> > defined previously, the entire code is in the example code):
>> >
>> > vtkGDCMImageReader reader = new vtkGDCMImageReader();
>> >
>> > vtkStringArray sa = new vtkStringArray();
>> > for (int j = 0; j < theSize; j ++){
>> >  sa.InsertNextValue(filenames[j]);
>> > }
>> >
>> > gdcmReader.SetFileNames(sa);
>> > gdcmReader.Update();
>> >
>> > vtkImageData theImageData = gdcmReader.GetOutput();
>> >
>> > with vtk version 5.6, theImageData is a valid object.  With vtk
>> > version 5.7 and on, it is not.
>> >
>> > What has changed with the java wrapping?  The same code works fine in
>> > C++, but not when java wrapped.
>> >
>> > Please help.  I thought that moving to vtk 5.9 would solve these
>> > problems, but apparently not.
>> >
>> > Thanks,
>> > Mark
>> >
>>
>>
>>
>> --
>> Mathieu
>> _______________________________________________
>> Powered by www.kitware.com
>>
>> Visit other Kitware open-source projects at
>> http://www.kitware.com/opensource/opensource.html
>>
>> Follow this link to subscribe/unsubscribe:
>> http://www.vtk.org/mailman/listinfo/vtk-developers
>>
>
>