Method ComputeTransformedDimensions

IO/Image/vtkVolume16Reader.cxx:466–500

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

//------------------------------------------------------------------------------
void vtkVolume16Reader::ComputeTransformedDimensions(int dimensions[3])
{
  double transformedDimensions[4];
  if (!this->Transform)
  {
    dimensions[0] = this->DataDimensions[0];
    dimensions[1] = this->DataDimensions[1];
    dimensions[2] = this->ImageRange[1] - this->ImageRange[0] + 1;
  }
  else
  {
    transformedDimensions[0] = this->DataDimensions[0];
    transformedDimensions[1] = this->DataDimensions[1];
    transformedDimensions[2] = this->ImageRange[1] - this->ImageRange[0] + 1;
    transformedDimensions[3] = 1.0;
    this->Transform->MultiplyPoint(transformedDimensions, transformedDimensions);
    dimensions[0] = (int)transformedDimensions[0];
    dimensions[1] = (int)transformedDimensions[1];
    dimensions[2] = (int)transformedDimensions[2];
    if (dimensions[0] < 0)
    {
      dimensions[0] = -dimensions[0];
    }
    if (dimensions[1] < 0)
    {
      dimensions[1] = -dimensions[1];
    }
    if (dimensions[2] < 0)
    {
      dimensions[2] = -dimensions[2];
    }
    vtkDebugMacro(<< "Transformed dimensions are:" << dimensions[0] << ", " << dimensions[1] << ", "
                  << dimensions[2]);
  }
}

//------------------------------------------------------------------------------
void vtkVolume16Reader::ComputeTransformedBounds(int bounds[6])