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();
}
}