Fix bugs on projection filter for contour and ISO on multiple loading.

Clean up fo filter implemented

reg23Topograms/itkDTRrecon/vtkContourTopogramProjectionFilter.cxx

@@ -66,6 +66,22 @@ vtkContourTopogramProjectionFilter::~vtkContourTopogramProjectionFilter()
      }
 }
 
+void vtkContourTopogramProjectionFilter::cleanUpFilter(){
+
+    this->dProjectionLPSOffset[0]=0.;
+    this->dProjectionLPSOffset[1]=0.;
+    this->dProjectionLPSOffset[2]=0.;
+
+    this->dImportOffsetLPS[0] = 0.;
+    this->dImportOffsetLPS[1] = 0.;
+    this->dImportOffsetLPS[2] = 0.;
+
+    this->dSCD = 0.;
+
+    this->m_RefTransform = nullptr;
+    this->m_Transform = nullptr;
+
+}
 
 int vtkContourTopogramProjectionFilter::RequestData(
         vtkInformation* request, vtkInformationVector** inputVector, vtkInformationVector* outputVector)

reg23Topograms/itkDTRrecon/vtkContourTopogramProjectionFilter.h

@@ -41,6 +41,8 @@ public:
     void SetSCD(const double dVal);
     void SetImportOffsetLPS(const double *);
 
+    void cleanUpFilter();
+
 protected:
      vtkContourTopogramProjectionFilter();
      ~vtkContourTopogramProjectionFilter() override;