[vtkusers] vtkViewport bug in v.3.1? I forgot the code !

[Poty Virginie]

Hello,

    I sent a message last week and I forgot to include the code !
Here is my last message followed by the code :

------------------------------------------------------------
Hello,
may be this point has already been discussed but I did not find anything

about it in the
mailing archive, so here it is. It seems that there is a bug in the
vtkViewport class when
one
try to draw in a viewport whose left border is close to the middle of
the window. The
program
in the attachment works well for left border values in the range
[0.0,0.36] but
makes a
segmentation fault
for values beyond 0.37. Compile it and try with the following line
commands:
   viewport 0.36 0.0 1.0 1.0
   viewport 0.37 0.0 1.0 1.0
Our system is Linux Mandrake 7.1 with g++ compiler.
Let us remarq that it works well with the Tcl api!
Is there anybody who could help me?

Virginie.



--
---------------------------------------------------------
\  Virginie Marion-Poty.  LIL. B.P. 719                 /
\                         62228 CALAIS Cedex.  FRANCE.  /
\                         Tel : (+33) 3.21.46.56.74     /
\                         Fax : (+33) 3.21.46.55.71     /
\       email : poty at lil.univ-littoral.fr               /
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-------------- next part --------------
#include <vtkSphereSource.h>
#include <vtkRenderWindow.h>
#include <vtkRenderer.h>
#include <vtkPolyDataMapper.h>
#include <vtkActor.h>
#include <stdio.h>
#include <math.h>

int
main(int argc, char *argv[])
{
  if (argc != 5)
    return -1;
  vtkSphereSource *source = vtkSphereSource::New();
  vtkPolyDataMapper *mapper = vtkPolyDataMapper::New();
  mapper->SetInput(source->GetOutput());
  vtkActor *actor = vtkActor::New();
  actor->SetMapper(mapper);
  vtkRenderer *renderer = vtkRenderer::New();
  renderer->AddActor(actor);
  vtkRenderWindow *renwin = vtkRenderWindow::New();
  renwin->SetSize(600, 300);
  renwin->AddRenderer(renderer);
  renderer->SetViewport(atof(argv[1]), atof(argv[2]),
			atof(argv[3]), atof(argv[4]));
  renwin->Render();
  getchar();
  return 0;
}