Hi,
recently I needed to change PolyData inside a mitk::Surface and felt
that it would be nice to have that mechanism also available for the
undo/redo component of mitk. So I've created a new Operation that stores
the PolyData to be replaced and implemented an ExecuteOperation method
for mitk::Surface to catch the operation and replace the PolyData.
Attached you can find a patch against revision 15966. Maybe you find it
also useful.
All the best,
Marius
Index: Core/DataStructures/files.cmake
===================================================================
--- Core/DataStructures/files.cmake (revision 15965)
+++ Core/DataStructures/files.cmake (working copy)
@@ -122,4 +122,5 @@
mitkVtkScalarModeProperty.cpp
mitkWeakPointerProperty.cpp
mitkXMLIO.cpp
+ mitkSurfaceOperation.cpp
)
Index: Core/DataStructures/mitkSurface.cpp
===================================================================
--- Core/DataStructures/mitkSurface.cpp (revision 15965)
+++ Core/DataStructures/mitkSurface.cpp (working copy)
@@ -27,6 +27,8 @@
#include "mitkSurfaceVtkWriter.h"
#include "mitkDataTreeNodeFactory.h"
#include <itkSmartPointerForwardReference.txx>
+#include "mitkInteractionConst.h"
+#include "mitkSurfaceOperation.h"
mitk::Surface::Surface() : m_CalculateBoundingBox( false )
{
@@ -314,3 +316,27 @@
return true;
}
+
+void mitk::Surface::ExecuteOperation(Operation *operation)
+{
+ switch ( operation->GetOperationType() )
+ {
+ case OpSURFACECHANGED:
+
+ mitk::SurfaceOperation* surfOp =
dynamic_cast<mitk::SurfaceOperation*>(operation);
+ if( ! surfOp ) break;
+
+ unsigned int time = surfOp->GetTimeStep();
+
+ if(m_PolyDataSeries[ time ] != NULL)
+ {
+ vtkPolyData* updatePoly = surfOp->GetVtkPolyData();
+ if( updatePoly ){
+ this->SetVtkPolyData( updatePoly, time );
+ this->CalculateBoundingBox();
+ }
+ }
+ break;
+ }
+ this->Modified();
+}
\ No newline at end of file
Index: Core/DataStructures/mitkSurface.h
===================================================================
--- Core/DataStructures/mitkSurface.h (revision 15965)
+++ Core/DataStructures/mitkSurface.h (working copy)
@@ -92,6 +92,8 @@
void CalculateBoundingBox();
+ virtual void ExecuteOperation(Operation *operation);
+
protected:
typedef std::vector< vtkPolyData* > VTKPolyDataSeries;
Index: Core/DataStructures/mitkSurfaceOperation.cpp
===================================================================
--- Core/DataStructures/mitkSurfaceOperation.cpp (revision 0)
+++ Core/DataStructures/mitkSurfaceOperation.cpp (revision 0)
@@ -0,0 +1,21 @@
+#include "mitkSurfaceOperation.h"
+
+mitk::SurfaceOperation::SurfaceOperation(mitk::OperationType operationType,
vtkPolyData* polyData, unsigned int t)
+: mitk::Operation(operationType), m_polyData(polyData), m_timeStep(t)
+{
+}
+
+
+mitk::SurfaceOperation::~SurfaceOperation()
+{
+}
+
+vtkPolyData* mitk::SurfaceOperation::GetVtkPolyData()
+{
+ return m_polyData;
+}
+
+unsigned int mitk::SurfaceOperation::GetTimeStep()
+{
+ return m_timeStep;
+}
\ No newline at end of file
Index: Core/DataStructures/mitkSurfaceOperation.h
===================================================================
--- Core/DataStructures/mitkSurfaceOperation.h (revision 0)
+++ Core/DataStructures/mitkSurfaceOperation.h (revision 0)
@@ -0,0 +1,37 @@
+#pragma once
+
+#include "mitkCommon.h"
+#include "mitkOperation.h"
+
+#include <vtkPolyData.h>
+
+namespace mitk {
+
+ /*
+ * @brief Operation that stores polydata for changing surfaces
+ */
+ class MITK_CORE_EXPORT SurfaceOperation : public Operation
+ {
+ public:
+
+ /*
+ * Constructor
+ * @param operationType type of the operation (OpSURFACECHANGED)
+ * @param polyData the polydata object to replace in the surface
+ * @param t the time step
+ */
+ SurfaceOperation(mitk::OperationType operationType,
vtkPolyData* polyData, unsigned int t);
+
+ virtual ~SurfaceOperation();
+
+ vtkPolyData* GetVtkPolyData();
+
+ unsigned int GetTimeStep();
+
+ private:
+
+ vtkPolyData* m_polyData;
+ unsigned int m_timeStep;
+ };
+}; // end namespace mitk
+
Index: Core/Interactions/mitkInteractionConst.h
===================================================================
--- Core/Interactions/mitkInteractionConst.h (revision 15965)
+++ Core/Interactions/mitkInteractionConst.h (working copy)
@@ -193,6 +193,7 @@
OpSHORTESTPATHSEARCH = 2003, //used in VesselGraphInteractor
OpATTRIBUTATION = 2004, //used in VesselGraphInteractor
OpDEFAULT = 2006, //used in VesselGraphInteractor
+ OpSURFACECHANGED = 3000, // used for changing polydata in surfaces
};
//##Constants for EventMapping...
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