void mitk::ClippingPlaneInteractor3D::TranslateObject (StateMachineAction*, InteractionEvent* interactionEvent)
{
InteractionPositionEvent* positionEvent = dynamic_cast<InteractionPositionEvent*>(interactionEvent);
if(positionEvent == NULL)
return;
double currentWorldPoint[4];
mitk::Point2D currentDisplayPoint = positionEvent->GetPointerPositionOnScreen();
vtkInteractorObserver::ComputeDisplayToWorld(
interactionEvent->GetSender()->GetVtkRenderer(),
currentDisplayPoint[0],
currentDisplayPoint[1],
0.0, //m_InitialInteractionPickedPoint[2],
currentWorldPoint);
Vector3D interactionMove;
interactionMove[0] = currentWorldPoint[0] - m_InitialPickedWorldPoint[0];
interactionMove[1] = currentWorldPoint[1] - m_InitialPickedWorldPoint[1];
interactionMove[2] = currentWorldPoint[2] - m_InitialPickedWorldPoint[2];
Point3D origin = m_OriginalGeometry->GetOrigin();
// Get the timestep to also support 3D+t
int timeStep = interactionEvent->GetSender()->GetTimeStep(this->GetDataNode()->GetData());
// If data is an mitk::Surface, extract it
Surface::Pointer surface = dynamic_cast< Surface* >(this->GetDataNode()->GetData());
vtkPolyData* polyData = NULL;
if (surface.IsNotNull())
{
polyData = surface->GetVtkPolyData( timeStep );
// Extract surface normal from surface (if existent, otherwise use default)
vtkPointData* pointData = polyData->GetPointData();
if (pointData != NULL)
{
vtkDataArray* normal = polyData->GetPointData()->GetVectors("planeNormal");
if (normal != NULL)
{
m_ObjectNormal[0] = normal->GetComponent( 0, 0 );
m_ObjectNormal[1] = normal->GetComponent( 0, 1 );
m_ObjectNormal[2] = normal->GetComponent( 0, 2 );
}
}
}
Vector3D transformedObjectNormal;
this->GetDataNode()->GetData()->GetGeometry( timeStep )->IndexToWorld(m_ObjectNormal, transformedObjectNormal);
this->GetDataNode()->GetData()->GetGeometry( timeStep )->SetOrigin(origin + transformedObjectNormal * (interactionMove * transformedObjectNormal));
interactionEvent->GetSender()->GetRenderingManager()->RequestUpdateAll();
}
bool mitk::AffineDataInteractor3D::ColorizeSurface(BaseRenderer::Pointer renderer, double scalar)
{
BaseData::Pointer data = this->GetDataNode()->GetData();
if(data.IsNull())
{
MITK_ERROR << "AffineInteractor3D: No data object present!";
return false;
}
// Get the timestep to also support 3D+t
int timeStep = 0;
if (renderer.IsNotNull())
timeStep = renderer->GetTimeStep(data);
// If data is an mitk::Surface, extract it
Surface::Pointer surface = dynamic_cast< Surface* >(data.GetPointer());
vtkPolyData* polyData = NULL;
if (surface.IsNotNull())
polyData = surface->GetVtkPolyData(timeStep);
if (polyData == NULL)
{
MITK_ERROR << "AffineInteractor3D: No poly data present!";
return false;
}
vtkPointData* pointData = polyData->GetPointData();
if (pointData == NULL)
{
MITK_ERROR << "AffineInteractor3D: No point data present!";
return false;
}
vtkDataArray* scalars = pointData->GetScalars();
if (scalars == NULL)
{
MITK_ERROR << "AffineInteractor3D: No scalars for point data present!";
return false;
}
for (unsigned int i = 0; i < pointData->GetNumberOfTuples(); ++i)
{
scalars->SetComponent(i, 0, scalar);
}
polyData->Modified();
pointData->Update();
return true;
}