Method SetDisplayExtent

Rendering/Core/vtkImageActor.cxx:187–219

------------------------------------------------------------------------------

//------------------------------------------------------------------------------
void vtkImageActor::SetDisplayExtent(const int extent[6])
{
  int idx, modified = 0;

  for (idx = 0; idx < 6; ++idx)
  {
    if (this->DisplayExtent[idx] != extent[idx])
    {
      this->DisplayExtent[idx] = extent[idx];
      modified = 1;
    }
  }

  if (modified)
  {
    if (this->Mapper && this->Mapper->IsA("vtkImageSliceMapper"))
    {
      if (this->DisplayExtent[0] <= this->DisplayExtent[1])
      {
        static_cast<vtkImageSliceMapper*>(this->Mapper)->CroppingOn();
        static_cast<vtkImageSliceMapper*>(this->Mapper)->SetCroppingRegion(this->DisplayExtent);
        static_cast<vtkImageSliceMapper*>(this->Mapper)
          ->SetOrientation(vtkImageActor::GetOrientationFromExtent(this->DisplayExtent));
      }
      else
      {
        static_cast<vtkImageSliceMapper*>(this->Mapper)->CroppingOff();
        static_cast<vtkImageSliceMapper*>(this->Mapper)->SetOrientationToZ();
      }
    }
    this->Modified();
  }
}
//------------------------------------------------------------------------------
void vtkImageActor::SetDisplayExtent(int minX, int maxX, int minY, int maxY, int minZ, int maxZ)
{