bool mitk::PointSetDataInteractor::UnSelectPoint(StateMachineAction*, InteractionEvent* interactionEvent)
{
InteractionPositionEvent* positionEvent = dynamic_cast<InteractionPositionEvent*>(interactionEvent);
if (positionEvent != NULL)
{
int timeStep = positionEvent->GetSender()->GetTimeStep();
Point3D point = positionEvent->GetPositionInWorld();
// iterate over point set and check if it contains a point close enough to the pointer to be selected
int index = GetPointIndexByPosition(point, timeStep);
// here it is ensured that we don't switch from one point being selected to another one being selected,
// without accepting the unselect of the current point
if (index == -1 || index != m_SelectedPointIndex)
{
m_SelectedPointIndex = -1;
GetDataNode()->SetProperty("contourcolor", ColorProperty::New(1.0, 0.0, 1.0));
mitk::RenderingManager::GetInstance()->RequestUpdateAll();
return true;
}
return false;
}
else
{
return false;
}
}
bool mitk::PointSetDataInteractor::MoveSet(StateMachineAction*, InteractionEvent* interactionEvent)
{
InteractionPositionEvent* positionEvent = dynamic_cast<InteractionPositionEvent*>(interactionEvent);
if (positionEvent != NULL)
{
int timeStep = positionEvent->GetSender()->GetTimeStep();
// Vector that represents movement relative to last position
Point3D movementVector;
movementVector[0] = positionEvent->GetPositionInWorld()[0] - m_PointSet->GetPoint(m_SelectedPointIndex, timeStep)[0];
movementVector[1] = positionEvent->GetPositionInWorld()[1] - m_PointSet->GetPoint(m_SelectedPointIndex, timeStep)[1];
movementVector[2] = positionEvent->GetPositionInWorld()[2] - m_PointSet->GetPoint(m_SelectedPointIndex, timeStep)[2];
PointSet* points = dynamic_cast<PointSet*>(GetDataNode()->GetData());
PointSet::PointsContainer* pointsContainer = points->GetPointSet(timeStep)->GetPoints();
// Iterate over point set and update each point
Point3D newPoint;
for (PointSet::PointsIterator it = pointsContainer->Begin(); it != pointsContainer->End(); it++)
{
newPoint[0] = m_PointSet->GetPoint(it->Index(), timeStep)[0] + movementVector[0];
newPoint[1] = m_PointSet->GetPoint(it->Index(), timeStep)[1] + movementVector[1];
newPoint[2] = m_PointSet->GetPoint(it->Index(), timeStep)[2] + movementVector[2];
m_PointSet->SetPoint(it->Index(), newPoint, timeStep);
}
GetDataNode()->SetData(m_PointSet);
GetDataNode()->Modified();
mitk::RenderingManager::GetInstance()->RequestUpdateAll();
return true;
}
else
{
return false;
}
}
bool mitk::PointSetDataInteractor::AddPoint(StateMachineAction* stateMachineAction, InteractionEvent* interactionEvent)
{
// Find the position, the point is to be added to: first entry with
// empty index. If the Set is empty, then start with 0. if not empty,
// then take the first index which is not occupied
int lastPosition = 0;
PointSet::PointsContainer* pointsContainer = m_PointSet->GetPointSet(0)->GetPoints();
if (!pointsContainer->empty())
{
mitk::PointSet::PointsIterator it, end;
it = pointsContainer->Begin();
end = pointsContainer->End();
while (it != end)
{
if (!pointsContainer->IndexExists(lastPosition))
break;
++it;
++lastPosition;
}
}
InteractionPositionEvent* positionEvent = dynamic_cast<InteractionPositionEvent*>(interactionEvent);
if (positionEvent != NULL)
{
IsClosedContour(stateMachineAction, interactionEvent);
// Get time step from BaseRenderer
int timeStep = positionEvent->GetSender()->GetTimeStep();
mitk::Point3D point = positionEvent->GetPositionInWorld();
m_PointSet->InsertPoint(lastPosition, point, timeStep);
m_NumberOfPoints++;
GetDataNode()->SetData(m_PointSet);
GetDataNode()->Modified();
if (m_MaxNumberOfPoints != 0 && m_NumberOfPoints >= m_MaxNumberOfPoints)
{
InternalEvent::Pointer event = InternalEvent::New(NULL, this, "MaxNumberOfPoints");
positionEvent->GetSender()->GetDispatcher()->QueueEvent(event.GetPointer());
}
mitk::RenderingManager::GetInstance()->RequestUpdateAll();
return true;
}
else
{
return false;
}
}
bool mitk::PointSetDataInteractor::IsClosedContour(StateMachineAction*, InteractionEvent* interactionEvent)
{
InteractionPositionEvent* positionEvent = dynamic_cast<InteractionPositionEvent*>(interactionEvent);
if (positionEvent != NULL)
{
int timeStep = positionEvent->GetSender()->GetTimeStep();
Point3D point = positionEvent->GetPositionInWorld();
// iterate over point set and check if it contains a point close enough to the pointer to be selected
if (GetPointIndexByPosition(point, timeStep) != -1 && m_PointSet->GetSize(timeStep) >= 3)
{
InternalEvent::Pointer event = InternalEvent::New(NULL, this, "ClosedContour");
positionEvent->GetSender()->GetDispatcher()->QueueEvent(event.GetPointer());
return true;
}
}
return false;
}
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 mitk::PointSetDataInteractor::MovePoint(StateMachineAction* stateMachineAction, InteractionEvent* interactionEvent)
{
InteractionPositionEvent* positionEvent = dynamic_cast<InteractionPositionEvent*>(interactionEvent);
if (positionEvent != NULL)
{
IsClosedContour(stateMachineAction, interactionEvent);
// Get time step from BaseRenderer
int timeStep = positionEvent->GetSender()->GetTimeStep();
mitk::Point3D point = positionEvent->GetPositionInWorld();
m_PointSet->SetPoint(m_SelectedPointIndex, point, timeStep);
GetDataNode()->SetData(m_PointSet);
GetDataNode()->Modified();
mitk::RenderingManager::GetInstance()->RequestUpdateAll();
IsClosedContour(stateMachineAction,interactionEvent);
return true;
}
else
{
return false;
}
}
bool mitk::PointSetDataInteractor::SelectPoint(StateMachineAction*, InteractionEvent* interactionEvent)
{
InteractionPositionEvent* positionEvent = dynamic_cast<InteractionPositionEvent*>(interactionEvent);
if (positionEvent != NULL)
{
int timeStep = positionEvent->GetSender()->GetTimeStep();
Point3D point = positionEvent->GetPositionInWorld();
// iterate over point set and check if it contains a point close enough to the pointer to be selected
if (GetPointIndexByPosition(point, timeStep) != -1)
{
//TODO FIXME is this safe ? can pointset and renderer have different sizes ?
m_SelectedPointIndex = GetPointIndexByPosition(point, timeStep);
GetDataNode()->SetProperty("contourcolor", ColorProperty::New(0.0, 0.0, 1.0));
mitk::RenderingManager::GetInstance()->RequestUpdateAll();
return true;
}
return false;
}
else
{
return false;
}
}
void mitk::PointSetDataInteractor::AddPoint(StateMachineAction* stateMachineAction, InteractionEvent* interactionEvent)
{
unsigned int timeStep = interactionEvent->GetSender()->GetTimeStep(GetDataNode()->GetData());
ScalarType timeInMs = interactionEvent->GetSender()->GetTime();
// disallow adding of new points if maximum number of points is reached
if (m_MaxNumberOfPoints > 1 && m_PointSet->GetSize(timeStep) >= m_MaxNumberOfPoints)
{
return;
}
// To add a point the minimal information is the position, this method accepts all InteractionsPositionEvents
InteractionPositionEvent* positionEvent = dynamic_cast<InteractionPositionEvent*>(interactionEvent);
if (positionEvent != NULL)
{
mitk::Point3D itkPoint = positionEvent->GetPositionInWorld();
this->UnselectAll( timeStep, timeInMs);
int lastPosition = 0;
mitk::PointSet::PointsIterator it, end;
it = m_PointSet->Begin(timeStep);
end = m_PointSet->End(timeStep);
while( it != end )
{
if (!m_PointSet->IndexExists(lastPosition,timeStep))
break;
++it;
++lastPosition;
}
// Insert a Point to the PointSet
// 2) Create the Operation inserting the point
PointOperation* doOp = new mitk::PointOperation(OpINSERT,timeInMs, itkPoint, lastPosition);
// 3) If Undo is enabled, also create the inverse Operation
if (m_UndoEnabled)
{
PointOperation *undoOp = new mitk::PointOperation( OpREMOVE,timeInMs, itkPoint, lastPosition);
// 4) Do and Undo Operations are combined in an Operation event which also contains the target of the operations (here m_PointSet)
OperationEvent *operationEvent = new OperationEvent(m_PointSet, doOp, undoOp, "Add point");
// 5) Store the Operation in the UndoController
OperationEvent::IncCurrObjectEventId();
m_UndoController->SetOperationEvent(operationEvent);
}
// 6) Execute the Operation performs the actual insertion of the point into the PointSet
m_PointSet->ExecuteOperation(doOp);
// 7) If Undo is not enabled the Do-Operation is to be dropped to prevent memory leaks.
if ( !m_UndoEnabled )
delete doOp;
// Request update
interactionEvent->GetSender()->GetRenderingManager()->RequestUpdateAll();
// Check if points form a closed contour now, if so fire an InternalEvent
IsClosedContour(stateMachineAction, interactionEvent);
if (m_MaxNumberOfPoints > 0 && m_PointSet->GetSize(timeStep) >= m_MaxNumberOfPoints)
{
// Signal that DataNode is fully filled
this->NotifyResultReady();
// Send internal event that can be used by StateMachines to switch in a different state
InternalEvent::Pointer event = InternalEvent::New(NULL, this, "MaximalNumberOfPoints");
positionEvent->GetSender()->GetDispatcher()->QueueEvent(event.GetPointer());
}
}
}
