diff --git a/Core/Code/DataManagement/mitkSlicedGeometry3D.cpp b/Core/Code/DataManagement/mitkSlicedGeometry3D.cpp index 46691e0fcf..5540a3a454 100644 --- a/Core/Code/DataManagement/mitkSlicedGeometry3D.cpp +++ b/Core/Code/DataManagement/mitkSlicedGeometry3D.cpp @@ -1,933 +1,952 @@ /*=================================================================== The Medical Imaging Interaction Toolkit (MITK) Copyright (c) German Cancer Research Center, Division of Medical and Biological Informatics. All rights reserved. This software is distributed WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See LICENSE.txt or http://www.mitk.org for details. ===================================================================*/ #include "mitkSlicedGeometry3D.h" #include "mitkPlaneGeometry.h" #include "mitkRotationOperation.h" #include "mitkPlaneOperation.h" #include "mitkRestorePlanePositionOperation.h" #include "mitkInteractionConst.h" #include "mitkSliceNavigationController.h" mitk::SlicedGeometry3D::SlicedGeometry3D() : m_EvenlySpaced( true ), m_Slices( 0 ), m_ReferenceGeometry( NULL ), m_SliceNavigationController( NULL ) { m_DirectionVector.Fill(0); this->InitializeSlicedGeometry( m_Slices ); } mitk::SlicedGeometry3D::SlicedGeometry3D(const SlicedGeometry3D& other) : Superclass(other), m_EvenlySpaced( other.m_EvenlySpaced ), m_Slices( other.m_Slices ), m_ReferenceGeometry( other.m_ReferenceGeometry ), m_SliceNavigationController( other.m_SliceNavigationController ) { m_DirectionVector.Fill(0); SetSpacing( other.GetSpacing() ); SetDirectionVector( other.GetDirectionVector() ); if ( m_EvenlySpaced ) { AffineGeometryFrame3D::Pointer geometry = other.m_Geometry2Ds[0]->Clone(); Geometry2D* geometry2D = dynamic_cast(geometry.GetPointer()); assert(geometry2D!=NULL); SetGeometry2D(geometry2D, 0); } else { unsigned int s; for ( s = 0; s < other.m_Slices; ++s ) { if ( other.m_Geometry2Ds[s].IsNull() ) { assert(other.m_EvenlySpaced); m_Geometry2Ds[s] = NULL; } else { AffineGeometryFrame3D::Pointer geometry = other.m_Geometry2Ds[s]->Clone(); Geometry2D* geometry2D = dynamic_cast(geometry.GetPointer()); assert(geometry2D!=NULL); SetGeometry2D(geometry2D, s); } } } } mitk::SlicedGeometry3D::~SlicedGeometry3D() { } mitk::Geometry2D * mitk::SlicedGeometry3D::GetGeometry2D( int s ) const { mitk::Geometry2D::Pointer geometry2D = NULL; if ( this->IsValidSlice(s) ) { geometry2D = m_Geometry2Ds[s]; // If (a) m_EvenlySpaced==true, (b) we don't have a Geometry2D stored // for the requested slice, and (c) the first slice (s=0) // is a PlaneGeometry instance, then we calculate the geometry of the // requested as the plane of the first slice shifted by m_Spacing[2]*s // in the direction of m_DirectionVector. if ( (m_EvenlySpaced) && (geometry2D.IsNull()) ) { PlaneGeometry *firstSlice = dynamic_cast< PlaneGeometry * > ( m_Geometry2Ds[0].GetPointer() ); if ( firstSlice != NULL ) { if ( (m_DirectionVector[0] == 0.0) && (m_DirectionVector[1] == 0.0) && (m_DirectionVector[2] == 0.0) ) { m_DirectionVector = firstSlice->GetNormal(); m_DirectionVector.Normalize(); } Vector3D direction; direction = m_DirectionVector * m_Spacing[2]; mitk::PlaneGeometry::Pointer requestedslice; requestedslice = static_cast< mitk::PlaneGeometry * >( firstSlice->Clone().GetPointer() ); requestedslice->SetOrigin( requestedslice->GetOrigin() + direction * s ); geometry2D = requestedslice; m_Geometry2Ds[s] = geometry2D; } } return geometry2D; } else { return NULL; } } const mitk::BoundingBox * mitk::SlicedGeometry3D::GetBoundingBox() const { assert(m_BoundingBox.IsNotNull()); return m_BoundingBox.GetPointer(); } bool mitk::SlicedGeometry3D::SetGeometry2D( mitk::Geometry2D *geometry2D, int s ) { if ( this->IsValidSlice(s) ) { m_Geometry2Ds[s] = geometry2D; m_Geometry2Ds[s]->SetReferenceGeometry( m_ReferenceGeometry ); return true; } return false; } void mitk::SlicedGeometry3D::InitializeSlicedGeometry( unsigned int slices ) { Superclass::Initialize(); m_Slices = slices; Geometry2D::Pointer gnull = NULL; m_Geometry2Ds.assign( m_Slices, gnull ); Vector3D spacing; spacing.Fill( 1.0 ); this->SetSpacing( spacing ); m_DirectionVector.Fill( 0 ); } void mitk::SlicedGeometry3D::InitializeEvenlySpaced( mitk::Geometry2D* geometry2D, unsigned int slices, bool flipped ) { assert( geometry2D != NULL ); this->InitializeEvenlySpaced( geometry2D, geometry2D->GetExtentInMM(2)/geometry2D->GetExtent(2), slices, flipped ); } void mitk::SlicedGeometry3D::InitializeEvenlySpaced( mitk::Geometry2D* geometry2D, mitk::ScalarType zSpacing, unsigned int slices, bool flipped ) { assert( geometry2D != NULL ); assert( geometry2D->GetExtent(0) > 0 ); assert( geometry2D->GetExtent(1) > 0 ); geometry2D->Register(); Superclass::Initialize(); m_Slices = slices; BoundingBox::BoundsArrayType bounds = geometry2D->GetBounds(); bounds[4] = 0; bounds[5] = slices; // clear and reserve Geometry2D::Pointer gnull = NULL; m_Geometry2Ds.assign( m_Slices, gnull ); Vector3D directionVector = geometry2D->GetAxisVector(2); directionVector.Normalize(); directionVector *= zSpacing; if ( flipped == false ) { // Normally we should use the following four lines to create a copy of // the transform contrained in geometry2D, because it may not be changed // by us. But we know that SetSpacing creates a new transform without // changing the old (coming from geometry2D), so we can use the fifth // line instead. We check this at (**). // // AffineTransform3D::Pointer transform = AffineTransform3D::New(); // transform->SetMatrix(geometry2D->GetIndexToWorldTransform()->GetMatrix()); // transform->SetOffset(geometry2D->GetIndexToWorldTransform()->GetOffset()); // SetIndexToWorldTransform(transform); m_IndexToWorldTransform = const_cast< AffineTransform3D * >( geometry2D->GetIndexToWorldTransform() ); } else { directionVector *= -1.0; m_IndexToWorldTransform = AffineTransform3D::New(); m_IndexToWorldTransform->SetMatrix( geometry2D->GetIndexToWorldTransform()->GetMatrix() ); AffineTransform3D::OutputVectorType scaleVector; FillVector3D(scaleVector, 1.0, 1.0, -1.0); m_IndexToWorldTransform->Scale(scaleVector, true); m_IndexToWorldTransform->SetOffset( geometry2D->GetIndexToWorldTransform()->GetOffset() ); } mitk::Vector3D spacing; FillVector3D( spacing, geometry2D->GetExtentInMM(0) / bounds[1], geometry2D->GetExtentInMM(1) / bounds[3], zSpacing ); // Ensure that spacing differs from m_Spacing to make SetSpacing change the // matrix. m_Spacing[2] = zSpacing - 1; this->SetDirectionVector( directionVector ); this->SetBounds( bounds ); this->SetGeometry2D( geometry2D, 0 ); this->SetSpacing( spacing ); this->SetEvenlySpaced(); this->SetTimeBounds( geometry2D->GetTimeBounds() ); assert(m_IndexToWorldTransform.GetPointer() != geometry2D->GetIndexToWorldTransform()); // (**) see above. this->SetFrameOfReferenceID( geometry2D->GetFrameOfReferenceID() ); this->SetImageGeometry( geometry2D->GetImageGeometry() ); geometry2D->UnRegister(); } void mitk::SlicedGeometry3D::InitializePlanes( const mitk::Geometry3D *geometry3D, mitk::PlaneGeometry::PlaneOrientation planeorientation, bool top, bool frontside, bool rotated ) { m_ReferenceGeometry = const_cast< Geometry3D * >( geometry3D ); PlaneGeometry::Pointer planeGeometry = mitk::PlaneGeometry::New(); planeGeometry->InitializeStandardPlane( geometry3D, top, planeorientation, frontside, rotated ); ScalarType viewSpacing = 1; unsigned int slices = 1; switch ( planeorientation ) { case PlaneGeometry::Transversal: viewSpacing = geometry3D->GetSpacing()[2]; slices = (unsigned int) geometry3D->GetExtent( 2 ); break; case PlaneGeometry::Frontal: viewSpacing = geometry3D->GetSpacing()[1]; slices = (unsigned int) geometry3D->GetExtent( 1 ); break; case PlaneGeometry::Sagittal: viewSpacing = geometry3D->GetSpacing()[0]; slices = (unsigned int) geometry3D->GetExtent( 0 ); break; default: itkExceptionMacro("unknown PlaneOrientation"); } mitk::Vector3D normal = this->AdjustNormal( planeGeometry->GetNormal() ); ScalarType directedExtent = fabs( m_ReferenceGeometry->GetExtentInMM( 0 ) * normal[0] ) + fabs( m_ReferenceGeometry->GetExtentInMM( 1 ) * normal[1] ) + fabs( m_ReferenceGeometry->GetExtentInMM( 2 ) * normal[2] ); if ( directedExtent >= viewSpacing ) { slices = static_cast< int >(directedExtent / viewSpacing + 0.5); } else { slices = 1; } bool flipped = (top == false); if ( frontside == false ) { flipped = !flipped; } if ( planeorientation == PlaneGeometry::Frontal ) { flipped = !flipped; } this->InitializeEvenlySpaced( planeGeometry, viewSpacing, slices, flipped ); } void mitk::SlicedGeometry3D ::ReinitializePlanes( const Point3D ¢er, const Point3D &referencePoint ) { // Need a reference frame to align the rotated planes if ( !m_ReferenceGeometry ) { return; } // Get first plane of plane stack PlaneGeometry *firstPlane = dynamic_cast< PlaneGeometry * >( m_Geometry2Ds[0].GetPointer() ); // If plane stack is empty, exit if ( firstPlane == NULL ) { return; } // Calculate the "directed" spacing when taking the plane (defined by its axes // vectors and normal) as the reference coordinate frame. // // This is done by calculating the radius of the ellipsoid defined by the // original volume spacing axes, in the direction of the respective axis of the // reference frame. mitk::Vector3D axis0 = firstPlane->GetAxisVector(0); mitk::Vector3D axis1 = firstPlane->GetAxisVector(1); mitk::Vector3D normal = firstPlane->GetNormal(); normal.Normalize(); Vector3D spacing; spacing[0] = this->CalculateSpacing( axis0 ); spacing[1] = this->CalculateSpacing( axis1 ); spacing[2] = this->CalculateSpacing( normal ); Superclass::SetSpacing( spacing ); // Now we need to calculate the number of slices in the plane's normal // direction, so that the entire volume is covered. This is done by first // calculating the dot product between the volume diagonal (the maximum // distance inside the volume) and the normal, and dividing this value by // the directed spacing calculated above. ScalarType directedExtent = fabs( m_ReferenceGeometry->GetExtentInMM( 0 ) * normal[0] ) + fabs( m_ReferenceGeometry->GetExtentInMM( 1 ) * normal[1] ) + fabs( m_ReferenceGeometry->GetExtentInMM( 2 ) * normal[2] ); if ( directedExtent >= spacing[2] ) { m_Slices = static_cast< unsigned int >(directedExtent / spacing[2] + 0.5); } else { m_Slices = 1; } // The origin of our "first plane" needs to be adapted to this new extent. // To achieve this, we first calculate the current distance to the volume's // center, and then shift the origin in the direction of the normal by the // difference between this distance and half of the new extent. double centerOfRotationDistance = firstPlane->SignedDistanceFromPlane( center ); if ( centerOfRotationDistance > 0 ) { firstPlane->SetOrigin( firstPlane->GetOrigin() + normal * (centerOfRotationDistance - directedExtent / 2.0) ); m_DirectionVector = normal; } else { firstPlane->SetOrigin( firstPlane->GetOrigin() + normal * (directedExtent / 2.0 + centerOfRotationDistance) ); m_DirectionVector = -normal; } // Now we adjust this distance according with respect to the given reference // point: we need to make sure that the point is touched by one slice of the // new slice stack. double referencePointDistance = firstPlane->SignedDistanceFromPlane( referencePoint ); int referencePointSlice = static_cast< int >( referencePointDistance / spacing[2]); double alignmentValue = referencePointDistance / spacing[2] - referencePointSlice; firstPlane->SetOrigin( firstPlane->GetOrigin() + normal * alignmentValue * spacing[2] ); // Finally, we can clear the previous geometry stack and initialize it with // our re-initialized "first plane". m_Geometry2Ds.assign( m_Slices, Geometry2D::Pointer( NULL ) ); if ( m_Slices > 0 ) { m_Geometry2Ds[0] = firstPlane; } // Reinitialize SNC with new number of slices m_SliceNavigationController->GetSlice()->SetSteps( m_Slices ); this->Modified(); } double mitk::SlicedGeometry3D::CalculateSpacing( const mitk::Vector3D &d ) const { // Need the spacing of the underlying dataset / geometry if ( !m_ReferenceGeometry ) { return 1.0; } const mitk::Vector3D &spacing = m_ReferenceGeometry->GetSpacing(); return SlicedGeometry3D::CalculateSpacing( spacing, d ); } double mitk::SlicedGeometry3D::CalculateSpacing( const mitk::Vector3D spacing, const mitk::Vector3D &d ) { // The following can be derived from the ellipsoid equation // // 1 = x^2/a^2 + y^2/b^2 + z^2/c^2 // // where (a,b,c) = spacing of original volume (ellipsoid radii) // and (x,y,z) = scaled coordinates of vector d (according to ellipsoid) // double scaling = d[0]*d[0] / (spacing[0] * spacing[0]) + d[1]*d[1] / (spacing[1] * spacing[1]) + d[2]*d[2] / (spacing[2] * spacing[2]); scaling = sqrt( scaling ); return ( sqrt( d[0]*d[0] + d[1]*d[1] + d[2]*d[2] ) / scaling ); } mitk::Vector3D mitk::SlicedGeometry3D::AdjustNormal( const mitk::Vector3D &normal ) const { Geometry3D::TransformType::Pointer inverse = Geometry3D::TransformType::New(); m_ReferenceGeometry->GetIndexToWorldTransform()->GetInverse( inverse ); Vector3D transformedNormal = inverse->TransformVector( normal ); transformedNormal.Normalize(); return transformedNormal; } void mitk::SlicedGeometry3D::SetImageGeometry( const bool isAnImageGeometry ) { Superclass::SetImageGeometry( isAnImageGeometry ); mitk::Geometry3D* geometry; unsigned int s; for ( s = 0; s < m_Slices; ++s ) { geometry = m_Geometry2Ds[s]; if ( geometry!=NULL ) { geometry->SetImageGeometry( isAnImageGeometry ); } } } void mitk::SlicedGeometry3D::ChangeImageGeometryConsideringOriginOffset( const bool isAnImageGeometry ) { mitk::Geometry3D* geometry; unsigned int s; for ( s = 0; s < m_Slices; ++s ) { geometry = m_Geometry2Ds[s]; if ( geometry!=NULL ) { geometry->ChangeImageGeometryConsideringOriginOffset( isAnImageGeometry ); } } Superclass::ChangeImageGeometryConsideringOriginOffset( isAnImageGeometry ); } bool mitk::SlicedGeometry3D::IsValidSlice( int s ) const { return ((s >= 0) && (s < (int)m_Slices)); } void mitk::SlicedGeometry3D::SetReferenceGeometry( Geometry3D *referenceGeometry ) { m_ReferenceGeometry = referenceGeometry; std::vector::iterator it; for ( it = m_Geometry2Ds.begin(); it != m_Geometry2Ds.end(); ++it ) { (*it)->SetReferenceGeometry( referenceGeometry ); } } void mitk::SlicedGeometry3D::SetSpacing( const mitk::Vector3D &aSpacing ) { bool hasEvenlySpacedPlaneGeometry = false; mitk::Point3D origin; mitk::Vector3D rightDV, bottomDV; BoundingBox::BoundsArrayType bounds; assert(aSpacing[0]>0 && aSpacing[1]>0 && aSpacing[2]>0); // In case of evenly-spaced data: re-initialize instances of Geometry2D, // since the spacing influences them if ((m_EvenlySpaced) && (m_Geometry2Ds.size() > 0)) { mitk::Geometry2D::ConstPointer firstGeometry = m_Geometry2Ds[0].GetPointer(); const PlaneGeometry *planeGeometry = dynamic_cast< const PlaneGeometry * >( firstGeometry.GetPointer() ); if (planeGeometry != NULL ) { this->WorldToIndex( planeGeometry->GetOrigin(), origin ); this->WorldToIndex( planeGeometry->GetAxisVector(0), rightDV ); this->WorldToIndex( planeGeometry->GetAxisVector(1), bottomDV ); bounds = planeGeometry->GetBounds(); hasEvenlySpacedPlaneGeometry = true; } } Superclass::SetSpacing(aSpacing); mitk::Geometry2D::Pointer firstGeometry; // In case of evenly-spaced data: re-initialize instances of Geometry2D, // since the spacing influences them if ( hasEvenlySpacedPlaneGeometry ) { //create planeGeometry according to new spacing this->IndexToWorld( origin, origin ); this->IndexToWorld( rightDV, rightDV ); this->IndexToWorld( bottomDV, bottomDV ); mitk::PlaneGeometry::Pointer planeGeometry = mitk::PlaneGeometry::New(); planeGeometry->SetImageGeometry( this->GetImageGeometry() ); planeGeometry->SetReferenceGeometry( m_ReferenceGeometry ); planeGeometry->InitializeStandardPlane( rightDV.Get_vnl_vector(), bottomDV.Get_vnl_vector(), &m_Spacing ); planeGeometry->SetOrigin(origin); planeGeometry->SetBounds(bounds); firstGeometry = planeGeometry; } else if ( (m_EvenlySpaced) && (m_Geometry2Ds.size() > 0) ) { firstGeometry = m_Geometry2Ds[0].GetPointer(); } //clear and reserve Geometry2D::Pointer gnull=NULL; m_Geometry2Ds.assign(m_Slices, gnull); if ( m_Slices > 0 ) { m_Geometry2Ds[0] = firstGeometry; } this->Modified(); } void mitk::SlicedGeometry3D ::SetSliceNavigationController( SliceNavigationController *snc ) { m_SliceNavigationController = snc; } mitk::SliceNavigationController * mitk::SlicedGeometry3D::GetSliceNavigationController() { return m_SliceNavigationController; } void mitk::SlicedGeometry3D::SetEvenlySpaced(bool on) { if(m_EvenlySpaced!=on) { m_EvenlySpaced=on; this->Modified(); } } void mitk::SlicedGeometry3D ::SetDirectionVector( const mitk::Vector3D& directionVector ) { Vector3D newDir = directionVector; newDir.Normalize(); if ( newDir != m_DirectionVector ) { m_DirectionVector = newDir; this->Modified(); } } void mitk::SlicedGeometry3D::SetTimeBounds( const mitk::TimeBounds& timebounds ) { Superclass::SetTimeBounds( timebounds ); unsigned int s; for ( s = 0; s < m_Slices; ++s ) { if(m_Geometry2Ds[s].IsNotNull()) { m_Geometry2Ds[s]->SetTimeBounds( timebounds ); } } m_TimeBounds = timebounds; } mitk::AffineGeometryFrame3D::Pointer mitk::SlicedGeometry3D::Clone() const { Self::Pointer newGeometry = new SlicedGeometry3D(*this); newGeometry->UnRegister(); return newGeometry.GetPointer(); } void mitk::SlicedGeometry3D::PrintSelf( std::ostream& os, itk::Indent indent ) const { Superclass::PrintSelf(os,indent); os << indent << " EvenlySpaced: " << m_EvenlySpaced << std::endl; if ( m_EvenlySpaced ) { os << indent << " DirectionVector: " << m_DirectionVector << std::endl; } os << indent << " Slices: " << m_Slices << std::endl; os << std::endl; os << indent << " GetGeometry2D(0): "; if ( this->GetGeometry2D(0) == NULL ) { os << "NULL" << std::endl; } else { this->GetGeometry2D(0)->Print(os, indent); } } void mitk::SlicedGeometry3D::ExecuteOperation(Operation* operation) { switch ( operation->GetOperationType() ) { case OpNOTHING: break; case OpROTATE: if ( m_EvenlySpaced ) { // Need a reference frame to align the rotation if ( m_ReferenceGeometry ) { // Clear all generated geometries and then rotate only the first slice. // The other slices will be re-generated on demand // Save first slice Geometry2D::Pointer geometry2D = m_Geometry2Ds[0]; RotationOperation *rotOp = dynamic_cast< RotationOperation * >( operation ); // Generate a RotationOperation using the dataset center instead of // the supplied rotation center. This is necessary so that the rotated // zero-plane does not shift away. The supplied center is instead used // to adjust the slice stack afterwards. Point3D center = m_ReferenceGeometry->GetCenter(); RotationOperation centeredRotation( rotOp->GetOperationType(), center, rotOp->GetVectorOfRotation(), rotOp->GetAngleOfRotation() ); // Rotate first slice geometry2D->ExecuteOperation( ¢eredRotation ); // Clear the slice stack and adjust it according to the center of // the dataset and the supplied rotation center (see documentation of // ReinitializePlanes) this->ReinitializePlanes( center, rotOp->GetCenterOfRotation() ); geometry2D->SetSpacing(this->GetSpacing()); if ( m_SliceNavigationController ) { m_SliceNavigationController->SelectSliceByPoint( rotOp->GetCenterOfRotation() ); m_SliceNavigationController->AdjustSliceStepperRange(); } Geometry3D::ExecuteOperation( ¢eredRotation ); } + else + { + // we also have to consider the case, that there is no reference geometry available. + if ( m_Geometry2Ds.size() > 0 ) + { + // Reach through to all slices in my container + for (std::vector::iterator iter = m_Geometry2Ds.begin(); + iter != m_Geometry2Ds.end(); + ++iter) + { + (*iter)->ExecuteOperation(operation); + } + + // rotate overall geometry + RotationOperation *rotOp = dynamic_cast< RotationOperation * >( operation ); + Geometry3D::ExecuteOperation( rotOp); + } + + } } else { // Reach through to all slices for (std::vector::iterator iter = m_Geometry2Ds.begin(); iter != m_Geometry2Ds.end(); ++iter) { (*iter)->ExecuteOperation(operation); } } break; case OpORIENT: if ( m_EvenlySpaced ) { // Save first slice Geometry2D::Pointer geometry2D = m_Geometry2Ds[0]; PlaneGeometry *planeGeometry = dynamic_cast< PlaneGeometry * >( geometry2D.GetPointer() ); PlaneOperation *planeOp = dynamic_cast< PlaneOperation * >( operation ); // Need a PlaneGeometry, a PlaneOperation and a reference frame to // carry out the re-orientation if ( m_ReferenceGeometry && planeGeometry && planeOp ) { // Clear all generated geometries and then rotate only the first slice. // The other slices will be re-generated on demand // Generate a RotationOperation by calculating the angle between // the current and the requested slice orientation Point3D center = m_ReferenceGeometry->GetCenter(); const mitk::Vector3D ¤tNormal = planeGeometry->GetNormal(); const mitk::Vector3D &newNormal = planeOp->GetNormal(); Vector3D rotationAxis = itk::CrossProduct( newNormal, currentNormal ); vtkFloatingPointType rotationAngle = - atan2( (double) rotationAxis.GetNorm(), (double) (newNormal * currentNormal) ); rotationAngle *= 180.0 / vnl_math::pi; RotationOperation centeredRotation( mitk::OpROTATE, center, rotationAxis, rotationAngle ); // Rotate first slice geometry2D->ExecuteOperation( ¢eredRotation ); // Clear the slice stack and adjust it according to the center of // rotation and plane position (see documentation of ReinitializePlanes) this->ReinitializePlanes( center, planeOp->GetPoint() ); if ( m_SliceNavigationController ) { m_SliceNavigationController->SelectSliceByPoint( planeOp->GetPoint() ); m_SliceNavigationController->AdjustSliceStepperRange(); } Geometry3D::ExecuteOperation( ¢eredRotation ); } } else { // Reach through to all slices for (std::vector::iterator iter = m_Geometry2Ds.begin(); iter != m_Geometry2Ds.end(); ++iter) { (*iter)->ExecuteOperation(operation); } } break; case OpRESTOREPLANEPOSITION: if ( m_EvenlySpaced ) { // Save first slice Geometry2D::Pointer geometry2D = m_Geometry2Ds[0]; PlaneGeometry* planeGeometry = dynamic_cast< PlaneGeometry * >( geometry2D.GetPointer() ); RestorePlanePositionOperation *restorePlaneOp = dynamic_cast< RestorePlanePositionOperation* >( operation ); // Need a PlaneGeometry, a PlaneOperation and a reference frame to // carry out the re-orientation if ( m_ReferenceGeometry && planeGeometry && restorePlaneOp ) { // Clear all generated geometries and then rotate only the first slice. // The other slices will be re-generated on demand // Rotate first slice geometry2D->ExecuteOperation( restorePlaneOp ); m_DirectionVector = restorePlaneOp->GetDirectionVector(); double centerOfRotationDistance = planeGeometry->SignedDistanceFromPlane( m_ReferenceGeometry->GetCenter() ); if ( centerOfRotationDistance > 0 ) { m_DirectionVector = m_DirectionVector; } else { m_DirectionVector = -m_DirectionVector; } Vector3D spacing = restorePlaneOp->GetSpacing(); Superclass::SetSpacing( spacing ); // /*Now we need to calculate the number of slices in the plane's normal // direction, so that the entire volume is covered. This is done by first // calculating the dot product between the volume diagonal (the maximum // distance inside the volume) and the normal, and dividing this value by // the directed spacing calculated above.*/ ScalarType directedExtent = fabs( m_ReferenceGeometry->GetExtentInMM( 0 ) * m_DirectionVector[0] ) + fabs( m_ReferenceGeometry->GetExtentInMM( 1 ) * m_DirectionVector[1] ) + fabs( m_ReferenceGeometry->GetExtentInMM( 2 ) * m_DirectionVector[2] ); if ( directedExtent >= spacing[2] ) { m_Slices = static_cast< unsigned int >(directedExtent / spacing[2] + 0.5); } else { m_Slices = 1; } m_Geometry2Ds.assign( m_Slices, Geometry2D::Pointer( NULL ) ); if ( m_Slices > 0 ) { m_Geometry2Ds[0] = geometry2D; } m_SliceNavigationController->GetSlice()->SetSteps( m_Slices ); this->Modified(); //End Reinitialization if ( m_SliceNavigationController ) { m_SliceNavigationController->GetSlice()->SetPos( restorePlaneOp->GetPos() ); m_SliceNavigationController->AdjustSliceStepperRange(); } Geometry3D::ExecuteOperation(restorePlaneOp); } } else { // Reach through to all slices for (std::vector::iterator iter = m_Geometry2Ds.begin(); iter != m_Geometry2Ds.end(); ++iter) { (*iter)->ExecuteOperation(operation); } } break; } this->Modified(); }