- switch (i)
- {
- case 0:
- if (mSlicer->GetRenderer()->GetActiveCamera()->GetPosition()[0] > mSlice)
- {
- mSquaresActor->SetPosition(1,0,0);
- }
- else
- {
- mSquaresActor->SetPosition(-1,0,0);
- }
- break;
- case 2:
- if (mSlicer->GetRenderer()->GetActiveCamera()->GetPosition()[1] > mSlice)
- {
- mSquaresActor->SetPosition(0,1,0);
- }
- else
- {
- mSquaresActor->SetPosition(0,-1,0);
- }
- break;
- case 4:
- if (mSlicer->GetRenderer()->GetActiveCamera()->GetPosition()[2] > mSlice)
- {
- mSquaresActor->SetPosition(0,0,1);
- }
- else
- {
- mSquaresActor->SetPosition(0,0,-1);
- }
- break;
+ squares->SetInput(clipper->GetOutput());
+ squaresMapper->SetInput(squares->GetOutput());
+ squaresMapper->ScalarVisibilityOff();
+ squaresActor->SetMapper(squaresMapper);
+ squaresActor->GetProperty()->SetColor(1.0,0,0);
+ squaresActor->SetPickable(0);
+ squaresActor->VisibilityOff();
+ mSlicer->GetRenderer()->AddActor(squaresActor);
+
+ mSquaresActorList.push_back(squaresActor);
+ mClipperList.push_back(clipper);
+ mSquaresList.push_back(squares);
+ mSquaresMapperList.push_back(squaresMapper);
+}
+//------------------------------------------------------------------------------
+
+
+//------------------------------------------------------------------------------
+void vvImageContour::UpdateActor(vtkActor * actor,
+ vtkPolyDataMapper * mapper,
+ vtkMarchingSquares * squares,
+ vtkImageClip * clipper,
+ double threshold, int orientation, int slice) {
+ // Set parameter for the MarchigSquare
+ squares->SetValue(0, threshold);
+
+ // Get image extent
+ int* extent = mSlicer->GetImageActor()->GetDisplayExtent();
+
+ // Change extent if needed
+ int* extent2;
+ if (mHiddenImageIsUsed) {
+ extent2 = new int[6];
+ int * extent3;
+ extent3 = mHiddenImage->GetFirstVTKImageData()->GetExtent();
+
+ for(int i=0; i<6; i++) extent2[i] = extent3[i];
+
+ double s = (double)extent[orientation*2]*(double)mSlicer->GetImage()->GetSpacing()[orientation]; // in mm
+ s = s+mSlicer->GetImage()->GetOrigin()[orientation]; // from origin
+ s = s-mHiddenImage->GetFirstVTKImageData()->GetOrigin()[orientation]; // from corner second image
+ s = s/mHiddenImage->GetFirstVTKImageData()->GetSpacing()[orientation]; // in voxel
+
+ // Rint to the closest slice
+ extent2[orientation*2+1] = extent2[orientation*2] = (int)lrint(s);
+
+ // Do not display a contour if there is no contour on this slice
+ // DD(extent2[orientation*2+1]);
+ // DD(extent3[orientation*2+1]);
+ // DD(extent2[orientation*2]);
+ // DD(extent3[orientation*2]);
+ if ((extent2[orientation*2+1] > extent3[orientation*2+1]) ||
+ (extent2[orientation*2] < extent3[orientation*2])) {
+ actor->VisibilityOff();
+ return;