bool mitk::PlanarFigureInteractor::IsMousePositionAcceptableAsNewControlPoint( mitk::StateEvent const * stateEvent, const PlanarFigure* planarFigure ) { assert(stateEvent && planarFigure); BaseRenderer* renderer = stateEvent->GetEvent()->GetSender(); assert(renderer); // Get the timestep to support 3D+t int timeStep( renderer->GetTimeStep( planarFigure ) ); // Get current display position of the mouse //Point2D currentDisplayPosition = positionEvent->GetDisplayPosition(); // Check if a previous point has been set bool tooClose = false; const Geometry2D *renderingPlane = renderer->GetCurrentWorldGeometry2D(); mitk::Geometry2D *planarFigureGeometry = dynamic_cast< mitk::Geometry2D * >( planarFigure->GetGeometry( timeStep ) ); Point2D point2D, correctedPoint; // Get the point2D from the positionEvent if ( !this->TransformPositionEventToPoint2D( stateEvent, point2D, planarFigureGeometry ) ) { return false; } // apply the controlPoint constraints of the planarFigure to get the // coordinates that would actually be used. correctedPoint = const_cast<PlanarFigure*>( planarFigure )->ApplyControlPointConstraints( 0, point2D ); // map the 2D coordinates of the new point to world-coordinates // and transform those to display-coordinates mitk::Point3D newPoint3D; planarFigureGeometry->Map( correctedPoint, newPoint3D ); mitk::Point2D newDisplayPosition; renderingPlane->Map( newPoint3D, newDisplayPosition ); renderer->GetDisplayGeometry()->WorldToDisplay( newDisplayPosition, newDisplayPosition ); for( int i=0; i < (int)planarFigure->GetNumberOfControlPoints(); i++ ) { if ( i != planarFigure->GetSelectedControlPoint() ) { // Try to convert previous point to current display coordinates mitk::Point3D previousPoint3D; // map the 2D coordinates of the control-point to world-coordinates planarFigureGeometry->Map( planarFigure->GetControlPoint( i ), previousPoint3D ); if ( renderer->GetDisplayGeometry()->Distance( previousPoint3D ) < 0.1 ) // ugly, but assert makes this work { mitk::Point2D previousDisplayPosition; // transform the world-coordinates into display-coordinates renderingPlane->Map( previousPoint3D, previousDisplayPosition ); renderer->GetDisplayGeometry()->WorldToDisplay( previousDisplayPosition, previousDisplayPosition ); //Calculate the distance. We use display-coordinates here to make // the check independent of the zoom-level of the rendering scene. double a = newDisplayPosition[0] - previousDisplayPosition[0]; double b = newDisplayPosition[1] - previousDisplayPosition[1]; // If point is to close, do not set a new point tooClose = (a * a + b * b < m_MinimumPointDistance ); } if ( tooClose ) return false; // abort loop early } } return !tooClose; // default }
// Relict from the old times, when automous decisions were accepted // behavior. Remains in here, because some RenderWindows do exist outside // of StdMultiWidgets. bool SliceNavigationController ::ExecuteAction( Action* action, StateEvent const* stateEvent ) { bool ok = false; const PositionEvent* posEvent = dynamic_cast< const PositionEvent * >( stateEvent->GetEvent() ); if ( posEvent != NULL ) { if ( m_CreatedWorldGeometry.IsNull() ) { return true; } switch (action->GetActionId()) { case AcMOVE: { BaseRenderer *baseRenderer = posEvent->GetSender(); if ( !baseRenderer ) { baseRenderer = const_cast<BaseRenderer *>( GlobalInteraction::GetInstance()->GetFocus() ); } if ( baseRenderer ) if ( baseRenderer->GetMapperID() == 1 ) { PointOperation* doOp = new mitk::PointOperation(OpMOVE, posEvent->GetWorldPosition()); if (m_UndoEnabled) { m_OldPos = this->GetSlice()->GetPos(); // m_OldPos holds the old slice position. For the undo controller this old position will be stored as index in mitk::PointOperation PointOperation* undoOp = new mitk::PointOperation(OpMOVE, posEvent->GetWorldPosition(), m_OldPos); OperationEvent *operationEvent = new mitk::OperationEvent(this, doOp, undoOp, "Move slices"); m_UndoController->SetOperationEvent(operationEvent); } this->ExecuteOperation( doOp ); // If click was performed in this render window than we have to update the status bar information about position and pixel value. if(baseRenderer == m_Renderer) { { std::string statusText; TNodePredicateDataType<mitk::Image>::Pointer isImageData = TNodePredicateDataType<mitk::Image>::New(); mitk::DataStorage::SetOfObjects::ConstPointer nodes = baseRenderer->GetDataStorage()->GetSubset(isImageData).GetPointer(); mitk::Point3D worldposition = posEvent->GetWorldPosition(); int maxlayer = -32768; mitk::Image::Pointer image3D; // find image with largest layer, that is the image shown on top in the render window for (unsigned int x = 0; x < nodes->size(); x++) { //Just consider image data that is no helper object. E.g. do not consider nodes created for the slice interpolation bool isHelper (false); nodes->at(x)->GetBoolProperty("helper object", isHelper); if(nodes->at(x)->GetData()->GetGeometry()->IsInside(worldposition) && isHelper == false) { int layer = 0; if(!(nodes->at(x)->GetIntProperty("layer", layer))) continue; if(layer > maxlayer) { if(static_cast<mitk::DataNode::Pointer>(nodes->at(x))->IsVisible(m_Renderer)) { image3D = dynamic_cast<mitk::Image*>(nodes->at(x)->GetData()); maxlayer = layer; } } } } std::stringstream stream; stream.imbue(std::locale::classic()); // get the position and gray value from the image and build up status bar text if(image3D.IsNotNull()) { Index3D p; image3D->GetGeometry()->WorldToIndex(worldposition, p); stream.precision(2); stream<<"Position: <" << std::fixed <<worldposition[0] << ", " << std::fixed << worldposition[1] << ", " << std::fixed << worldposition[2] << "> mm"; stream<<"; Index: <"<<p[0] << ", " << p[1] << ", " << p[2] << "> "; mitk::ScalarType pixelValue = image3D->GetPixelValueByIndex(p, baseRenderer->GetTimeStep()); if (fabs(pixelValue)>1000000) { stream<<"; Time: " << baseRenderer->GetTime() << " ms; Pixelvalue: "<<std::scientific<<image3D->GetPixelValueByIndex(p, baseRenderer->GetTimeStep())<<" "; } else { stream<<"; Time: " << baseRenderer->GetTime() << " ms; Pixelvalue: "<<image3D->GetPixelValueByIndex(p, baseRenderer->GetTimeStep())<<" "; } } else { stream << "No image information at this position!"; } statusText = stream.str(); mitk::StatusBar::GetInstance()->DisplayGreyValueText(statusText.c_str()); } } ok = true; break; } } default: ok = true; break; } return ok; } const DisplayPositionEvent *displPosEvent = dynamic_cast< const DisplayPositionEvent * >( stateEvent->GetEvent() ); if ( displPosEvent != NULL ) { return true; } return false; }
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; }
// Relict from the old times, when automous decisions were accepted // behavior. Remains in here, because some RenderWindows do exist outside // of StdMultiWidgets. bool SliceNavigationController ::ExecuteAction( Action* action, StateEvent const* stateEvent ) { bool ok = false; const PositionEvent* posEvent = dynamic_cast< const PositionEvent * >( stateEvent->GetEvent() ); if ( posEvent != NULL ) { if ( m_CreatedWorldGeometry.IsNull() ) { return true; } switch (action->GetActionId()) { case AcMOVE: { BaseRenderer *baseRenderer = posEvent->GetSender(); if ( !baseRenderer ) { baseRenderer = const_cast<BaseRenderer *>( GlobalInteraction::GetInstance()->GetFocus() ); } if ( baseRenderer ) if ( baseRenderer->GetMapperID() == 1 ) { PointOperation doOp(OpMOVE, posEvent->GetWorldPosition()); this->ExecuteOperation( &doOp ); // If click was performed in this render window than we have to update the status bar information about position and pixel value. if(baseRenderer == m_Renderer) { { std::string statusText; TNodePredicateDataType<mitk::Image>::Pointer isImageData = TNodePredicateDataType<mitk::Image>::New(); mitk::DataStorage::SetOfObjects::ConstPointer nodes = baseRenderer->GetDataStorage()->GetSubset(isImageData).GetPointer(); mitk::Point3D worldposition = posEvent->GetWorldPosition(); //int maxlayer = -32768; mitk::Image::Pointer image3D; mitk::DataNode::Pointer node; mitk::DataNode::Pointer topSourceNode; bool isBinary (false); node = this->GetTopLayerNode(nodes,worldposition); if(node.IsNotNull()) { node->GetBoolProperty("binary", isBinary); if(isBinary) { mitk::DataStorage::SetOfObjects::ConstPointer sourcenodes = baseRenderer->GetDataStorage()->GetSources(node, NULL, true); if(!sourcenodes->empty()) { topSourceNode = this->GetTopLayerNode(sourcenodes,worldposition); } if(topSourceNode.IsNotNull()) { image3D = dynamic_cast<mitk::Image*>(topSourceNode->GetData()); } else { image3D = dynamic_cast<mitk::Image*>(node->GetData()); } } else { image3D = dynamic_cast<mitk::Image*>(node->GetData()); } } std::stringstream stream; stream.imbue(std::locale::classic()); // get the position and gray value from the image and build up status bar text if(image3D.IsNotNull()) { Index3D p; image3D->GetGeometry()->WorldToIndex(worldposition, p); stream.precision(2); stream<<"Position: <" << std::fixed <<worldposition[0] << ", " << std::fixed << worldposition[1] << ", " << std::fixed << worldposition[2] << "> mm"; stream<<"; Index: <"<<p[0] << ", " << p[1] << ", " << p[2] << "> "; mitk::ScalarType pixelValue = image3D->GetPixelValueByIndex(p, baseRenderer->GetTimeStep()); if (fabs(pixelValue)>1000000 || fabs(pixelValue) < 0.01) { stream<<"; Time: " << baseRenderer->GetTime() << " ms; Pixelvalue: " << std::scientific<< pixelValue <<" "; } else { stream<<"; Time: " << baseRenderer->GetTime() << " ms; Pixelvalue: "<< pixelValue <<" "; } } else { stream << "No image information at this position!"; } statusText = stream.str(); mitk::StatusBar::GetInstance()->DisplayGreyValueText(statusText.c_str()); } } ok = true; break; } } default: ok = true; break; } return ok; } const DisplayPositionEvent *displPosEvent = dynamic_cast< const DisplayPositionEvent * >( stateEvent->GetEvent() ); if ( displPosEvent != NULL ) { return true; } return false; }