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

[David Partyka]

FYI, the fix for this from Mathieu has also been applied to the release
branch.

On Fri, Feb 11, 2011 at 1:58 PM, Mark Roden <mmroden at gmail.com> wrote:

> Working now with 886!
>
> whooo!
>
> I was getting distracted by a crash from this code:
>
>
>            vtkFileOutputWindow outWin = new vtkFileOutputWindow();
>            //outWin.SetInstance(outWin);//vtk 5.9 does not want this to be
> here
>            outWin.SetFileName("MVSVTKViewer.log");
>
> but commenting out the second line appears to make it all work.  Now
> there are a bunch of things that have changed that require fixing...
>
> Thanks!
> Mark
>
> On Thu, Feb 10, 2011 at 3:53 PM, Mark Roden <mmroden at gmail.com> wrote:
> > 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
> >>> _______________________________________________
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> >>>
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> >>>
> >>
> >>
> >
>
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