void mitk::AffineImageCropperInteractor::RotateObject (StateMachineAction*, InteractionEvent* interactionEvent) { InteractionPositionEvent* positionEvent = dynamic_cast<InteractionPositionEvent*>(interactionEvent); if(positionEvent == NULL) return; Point2D currentPickedDisplayPoint = positionEvent->GetPointerPositionOnScreen(); if(currentPickedDisplayPoint.EuclideanDistanceTo(m_InitialPickedDisplayPoint) < 1) return; vtkRenderer* currentVtkRenderer = interactionEvent->GetSender()->GetVtkRenderer(); if ( currentVtkRenderer && currentVtkRenderer->GetActiveCamera()) { double vpn[3]; currentVtkRenderer->GetActiveCamera()->GetViewPlaneNormal( vpn ); Vector3D rotationAxis; rotationAxis[0] = vpn[0]; rotationAxis[1] = vpn[1]; rotationAxis[2] = vpn[2]; rotationAxis.Normalize(); Vector2D move = currentPickedDisplayPoint - m_InitialPickedDisplayPoint; double rotationAngle = -57.3 * atan(move[0]/move[1]); if(move[1]<0) rotationAngle +=180; // Use center of data bounding box as center of rotation Point3D rotationCenter = m_OriginalGeometry->GetCenter(); if(positionEvent->GetSender()->GetMapperID() == BaseRenderer::Standard2D) rotationCenter = m_InitialPickedPoint; // Reset current Geometry3D to original state (pre-interaction) and // apply rotation RotationOperation op( OpROTATE, rotationCenter, rotationAxis, rotationAngle ); Geometry3D::Pointer newGeometry = static_cast<Geometry3D*>(m_OriginalGeometry->Clone().GetPointer()); newGeometry->ExecuteOperation( &op ); m_SelectedNode->GetData()->SetGeometry(newGeometry); interactionEvent->GetSender()->GetRenderingManager()->RequestUpdateAll(); } }
bool AffineInteractor3D ::ExecuteAction( Action *action, StateEvent const *stateEvent ) { bool ok = false; // Get data object BaseData *data = m_DataNode->GetData(); if ( data == NULL ) { MITK_ERROR << "No data object present!"; return ok; } // Get Event and extract renderer const Event *event = stateEvent->GetEvent(); BaseRenderer *renderer = NULL; vtkRenderWindow *renderWindow = NULL; vtkRenderWindowInteractor *renderWindowInteractor = NULL; vtkRenderer *currentVtkRenderer = NULL; vtkCamera *camera = NULL; if ( event != NULL ) { renderer = event->GetSender(); if ( renderer != NULL ) { renderWindow = renderer->GetRenderWindow(); if ( renderWindow != NULL ) { renderWindowInteractor = renderWindow->GetInteractor(); if ( renderWindowInteractor != NULL ) { currentVtkRenderer = renderWindowInteractor ->GetInteractorStyle()->GetCurrentRenderer(); if ( currentVtkRenderer != NULL ) { camera = currentVtkRenderer->GetActiveCamera(); } } } } } // Check if we have a DisplayPositionEvent const DisplayPositionEvent *dpe = dynamic_cast< const DisplayPositionEvent * >( stateEvent->GetEvent() ); if ( dpe != NULL ) { m_CurrentPickedPoint = dpe->GetWorldPosition(); m_CurrentPickedDisplayPoint = dpe->GetDisplayPosition(); } // Get the timestep to also support 3D+t int timeStep = 0; ScalarType timeInMS = 0.0; if ( renderer != NULL ) { timeStep = renderer->GetTimeStep( data ); timeInMS = renderer->GetTime(); } // If data is an mitk::Surface, extract it Surface *surface = dynamic_cast< Surface * >( data ); vtkPolyData *polyData = NULL; if ( surface != NULL ) { 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 ); } } } // Get geometry object m_Geometry = data->GetGeometry( timeStep ); // Make sure that the data (if time-resolved) has enough entries; // if not, create the required extra ones (empty) data->Expand( timeStep+1 ); switch (action->GetActionId()) { case AcDONOTHING: ok = true; break; case AcCHECKOBJECT: { // Re-enable VTK interactor (may have been disabled previously) if ( renderWindowInteractor != NULL ) { renderWindowInteractor->Enable(); } // Check if we have a DisplayPositionEvent const DisplayPositionEvent *dpe = dynamic_cast< const DisplayPositionEvent * >( stateEvent->GetEvent() ); if ( dpe == NULL ) { ok = true; break; } // Check if an object is present at the current mouse position DataNode *pickedNode = dpe->GetPickedObjectNode(); StateEvent *newStateEvent; if ( pickedNode == m_DataNode ) { // Yes: object will be selected newStateEvent = new StateEvent( EIDYES ); } else { // No: back to start state newStateEvent = new StateEvent( EIDNO ); } this->HandleEvent( newStateEvent ); ok = true; break; } case AcDESELECTOBJECT: { // Color object white m_DataNode->SetColor( 1.0, 1.0, 1.0 ); RenderingManager::GetInstance()->RequestUpdateAll(); // Colorize surface / wireframe as inactive this->ColorizeSurface( polyData, m_CurrentPickedPoint, -1.0 ); ok = true; break; } case AcSELECTPICKEDOBJECT: { // Color object red m_DataNode->SetColor( 1.0, 0.0, 0.0 ); RenderingManager::GetInstance()->RequestUpdateAll(); // Colorize surface / wireframe dependend on distance from picked point this->ColorizeSurface( polyData, m_CurrentPickedPoint, 0.0 ); ok = true; break; } case AcINITMOVE: { // Disable VTK interactor until MITK interaction has been completed if ( renderWindowInteractor != NULL ) { renderWindowInteractor->Disable(); } // Check if we have a DisplayPositionEvent const DisplayPositionEvent *dpe = dynamic_cast< const DisplayPositionEvent * >( stateEvent->GetEvent() ); if ( dpe == NULL ) { ok = true; break; } //DataNode *pickedNode = dpe->GetPickedObjectNode(); m_InitialPickedPoint = m_CurrentPickedPoint; m_InitialPickedDisplayPoint = m_CurrentPickedDisplayPoint; if ( currentVtkRenderer != NULL ) { vtkInteractorObserver::ComputeDisplayToWorld( currentVtkRenderer, m_InitialPickedDisplayPoint[0], m_InitialPickedDisplayPoint[1], 0.0, //m_InitialInteractionPickedPoint[2], m_InitialPickedPointWorld ); } // Make deep copy of current Geometry3D of the plane data->UpdateOutputInformation(); // make sure that the Geometry is up-to-date m_OriginalGeometry = static_cast< Geometry3D * >( data->GetGeometry( timeStep )->Clone().GetPointer() ); ok = true; break; } case AcMOVE: { // Check if we have a DisplayPositionEvent const DisplayPositionEvent *dpe = dynamic_cast< const DisplayPositionEvent * >( stateEvent->GetEvent() ); if ( dpe == NULL ) { ok = true; break; } if ( currentVtkRenderer != NULL ) { vtkInteractorObserver::ComputeDisplayToWorld( currentVtkRenderer, m_CurrentPickedDisplayPoint[0], m_CurrentPickedDisplayPoint[1], 0.0, //m_InitialInteractionPickedPoint[2], m_CurrentPickedPointWorld ); } Vector3D interactionMove; interactionMove[0] = m_CurrentPickedPointWorld[0] - m_InitialPickedPointWorld[0]; interactionMove[1] = m_CurrentPickedPointWorld[1] - m_InitialPickedPointWorld[1]; interactionMove[2] = m_CurrentPickedPointWorld[2] - m_InitialPickedPointWorld[2]; if ( m_InteractionMode == INTERACTION_MODE_TRANSLATION ) { Point3D origin = m_OriginalGeometry->GetOrigin(); Vector3D transformedObjectNormal; data->GetGeometry( timeStep )->IndexToWorld( m_ObjectNormal, transformedObjectNormal ); data->GetGeometry( timeStep )->SetOrigin( origin + transformedObjectNormal * (interactionMove * transformedObjectNormal) ); } else if ( m_InteractionMode == INTERACTION_MODE_ROTATION ) { if ( camera ) { double vpn[3]; camera->GetViewPlaneNormal( vpn ); Vector3D viewPlaneNormal; viewPlaneNormal[0] = vpn[0]; viewPlaneNormal[1] = vpn[1]; viewPlaneNormal[2] = vpn[2]; Vector3D rotationAxis = itk::CrossProduct( viewPlaneNormal, interactionMove ); rotationAxis.Normalize(); int *size = currentVtkRenderer->GetSize(); double l2 = (m_CurrentPickedDisplayPoint[0] - m_InitialPickedDisplayPoint[0]) * (m_CurrentPickedDisplayPoint[0] - m_InitialPickedDisplayPoint[0]) + (m_CurrentPickedDisplayPoint[1] - m_InitialPickedDisplayPoint[1]) * (m_CurrentPickedDisplayPoint[1] - m_InitialPickedDisplayPoint[1]); double rotationAngle = 360.0 * sqrt(l2/(size[0]*size[0]+size[1]*size[1])); // Use center of data bounding box as center of rotation Point3D rotationCenter = m_OriginalGeometry->GetCenter();; // Reset current Geometry3D to original state (pre-interaction) and // apply rotation RotationOperation op( OpROTATE, rotationCenter, rotationAxis, rotationAngle ); Geometry3D::Pointer newGeometry = static_cast< Geometry3D * >( m_OriginalGeometry->Clone().GetPointer() ); newGeometry->ExecuteOperation( &op ); data->SetClonedGeometry(newGeometry, timeStep); } } RenderingManager::GetInstance()->RequestUpdateAll(); ok = true; break; } default: return Superclass::ExecuteAction( action, stateEvent ); } return ok; }
void mitk::AffineBaseDataInteractor3D::RotateObject (StateMachineAction*, InteractionEvent* interactionEvent) { InteractionPositionEvent* positionEvent = dynamic_cast<InteractionPositionEvent*>(interactionEvent); if(positionEvent == NULL) return; Point2D currentPickedDisplayPoint = positionEvent->GetPointerPositionOnScreen(); Point3D currentWorldPoint = positionEvent->GetPositionInWorld(); vtkCamera* camera = NULL; vtkRenderer* currentVtkRenderer = NULL; if ((interactionEvent->GetSender()) != NULL) { camera = interactionEvent->GetSender()->GetVtkRenderer()->GetActiveCamera(); currentVtkRenderer = interactionEvent->GetSender()->GetVtkRenderer(); } if ( camera && currentVtkRenderer) { double vpn[3]; camera->GetViewPlaneNormal( vpn ); Vector3D viewPlaneNormal; viewPlaneNormal[0] = vpn[0]; viewPlaneNormal[1] = vpn[1]; viewPlaneNormal[2] = vpn[2]; Vector3D interactionMove; interactionMove[0] = currentWorldPoint[0] - m_InitialPickedWorldPoint[0]; interactionMove[1] = currentWorldPoint[1] - m_InitialPickedWorldPoint[1]; interactionMove[2] = currentWorldPoint[2] - m_InitialPickedWorldPoint[2]; if (interactionMove[0] == 0 && interactionMove[1] == 0 && interactionMove[2] == 0) return; Vector3D rotationAxis = itk::CrossProduct(viewPlaneNormal, interactionMove); rotationAxis.Normalize(); int* size = currentVtkRenderer->GetSize(); double l2 = (currentPickedDisplayPoint[0] - m_InitialPickedDisplayPoint[0]) * (currentPickedDisplayPoint[0] - m_InitialPickedDisplayPoint[0]) + (currentPickedDisplayPoint[1] - m_InitialPickedDisplayPoint[1]) * (currentPickedDisplayPoint[1] - m_InitialPickedDisplayPoint[1]); double rotationAngle = 360.0 * sqrt(l2 / (size[0] * size[0] + size[1] * size[1])); // Use center of data bounding box as center of rotation Point3D rotationCenter = m_OriginalGeometry->GetCenter(); int timeStep = 0; if ((interactionEvent->GetSender()) != NULL) timeStep = interactionEvent->GetSender()->GetTimeStep(this->GetDataNode()->GetData()); // Reset current Geometry3D to original state (pre-interaction) and // apply rotation RotationOperation op( OpROTATE, rotationCenter, rotationAxis, rotationAngle ); Geometry3D::Pointer newGeometry = static_cast<Geometry3D*>(m_OriginalGeometry->Clone().GetPointer()); newGeometry->ExecuteOperation( &op ); mitk::TimeGeometry::Pointer timeGeometry = this->GetDataNode()->GetData()->GetTimeGeometry(); if (timeGeometry.IsNotNull()) timeGeometry->SetTimeStepGeometry(newGeometry, timeStep); interactionEvent->GetSender()->GetRenderingManager()->RequestUpdateAll(); } }