Method SetInputConnection

Interaction/Widgets/vtkImagePlaneWidget.cxx:1487–1537

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//------------------------------------------------------------------------------
void vtkImagePlaneWidget::SetInputConnection(vtkAlgorithmOutput* aout)
{
  this->Superclass::SetInputConnection(aout);

  this->ImageData =
    vtkImageData::SafeDownCast(aout->GetProducer()->GetOutputDataObject(aout->GetIndex()));

  if (!this->ImageData)
  {
    // If nullptr is passed, remove any reference that Reslice had
    // on the old ImageData
    //
    this->Reslice->SetInputData(nullptr);
    return;
  }

  double range[2];
  this->ImageData->GetScalarRange(range);

  if (!this->UserControlledLookupTable)
  {
    this->LookupTable->SetTableRange(range[0], range[1]);
    this->LookupTable->Build();
  }

  this->OriginalWindow = range[1] - range[0];
  this->OriginalLevel = 0.5 * (range[0] + range[1]);

  if (fabs(this->OriginalWindow) < 0.001)
  {
    this->OriginalWindow = 0.001 * (this->OriginalWindow < 0.0 ? -1 : 1);
  }
  if (fabs(this->OriginalLevel) < 0.001)
  {
    this->OriginalLevel = 0.001 * (this->OriginalLevel < 0.0 ? -1 : 1);
  }

  this->SetWindowLevel(this->OriginalWindow, this->OriginalLevel);

  this->Reslice->SetInputConnection(aout);
  int interpolate = this->ResliceInterpolate;
  this->ResliceInterpolate = -1; // Force change
  this->SetResliceInterpolate(interpolate);

  this->ColorMap->SetInputConnection(this->Reslice->GetOutputPort());

  this->Texture->SetInputConnection(this->ColorMap->GetOutputPort());
  this->Texture->SetInterpolate(this->TextureInterpolate);

  this->SetPlaneOrientation(this->PlaneOrientation);
}

//------------------------------------------------------------------------------
void vtkImagePlaneWidget::UpdatePlane()