Method PositionHandles

Interaction/Widgets/vtkBoxWidget.cxx:419–457

  } while (false)

void vtkBoxWidget::PositionHandles()
{
  double* pts = static_cast<vtkDoubleArray*>(this->Points->GetData())->GetPointer(0);
  double* p0 = pts;
  double* p1 = pts + 3 * 1;
  double* p2 = pts + 3 * 2;
  double* p3 = pts + 3 * 3;
  // double *p4 = pts + 3*4;
  double* p5 = pts + 3 * 5;
  double* p6 = pts + 3 * 6;
  double* p7 = pts + 3 * 7;
  double x[3];

  VTK_AVERAGE(p0, p7, x);
  this->Points->SetPoint(8, x);
  VTK_AVERAGE(p1, p6, x);
  this->Points->SetPoint(9, x);
  VTK_AVERAGE(p0, p5, x);
  this->Points->SetPoint(10, x);
  VTK_AVERAGE(p2, p7, x);
  this->Points->SetPoint(11, x);
  VTK_AVERAGE(p1, p3, x);
  this->Points->SetPoint(12, x);
  VTK_AVERAGE(p5, p7, x);
  this->Points->SetPoint(13, x);
  VTK_AVERAGE(p0, p6, x);
  this->Points->SetPoint(14, x);

  int i;
  for (i = 0; i < 7; ++i)
  {
    this->HandleGeometry[i]->SetCenter(this->Points->GetPoint(8 + i));
  }

  this->Points->GetData()->Modified();
  this->HexFacePolyData->Modified();
  this->HexPolyData->Modified();
  this->GenerateOutline();
}
#undef VTK_AVERAGE

void vtkBoxWidget::HandlesOn()