Method RequestData

Interaction/Widgets/vtkResliceCursorPolyDataAlgorithm.cxx:123–154

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//------------------------------------------------------------------------------
int vtkResliceCursorPolyDataAlgorithm::RequestData(vtkInformation* vtkNotUsed(request),
  vtkInformationVector** vtkNotUsed(inputVector), vtkInformationVector* vtkNotUsed(outputVector))
{
  if (!this->ResliceCursor)
  {
    vtkErrorMacro(<< "Reslice Cursor not set !");
    return -1;
  }

  this->BuildResliceSlabAxisTopology();

  // Cut the reslice cursor with the plane on which we are viewing.

  const int axis1 = this->GetAxis1();
  const int axis2 = this->GetAxis2();

  this->CutAndClip(
    this->ResliceCursor->GetCenterlineAxisPolyData(axis1), this->GetCenterlineAxis1());
  this->CutAndClip(
    this->ResliceCursor->GetCenterlineAxisPolyData(axis2), this->GetCenterlineAxis2());

  if (this->ResliceCursor->GetThickMode())
  {
    this->GetSlabPolyData(axis1, this->GetPlaneAxis1(), this->ThickAxes[0]);
    this->CutAndClip(this->ThickAxes[0], this->GetThickSlabAxis1());

    this->GetSlabPolyData(axis2, this->GetPlaneAxis2(), this->ThickAxes[1]);
    this->CutAndClip(this->ThickAxes[1], this->GetThickSlabAxis2());
  }

  return 1;
}

//------------------------------------------------------------------------------
void vtkResliceCursorPolyDataAlgorithm ::GetSlabPolyData(int axis, int planeAxis, vtkPolyData* pd)