+ int mFusionSequenceCode; //-1: not involved in a fusion sequence, 0: main sequence (CT), 1: secondary sequence (US)
+
+ // __________ Image coordinates accounting for spacing and origin
+ // Λ Λ
+ // | | vvImage.GetTransform()
+ // | |
+ // GetConcatenatedTransform() | _|___ VV world coordinates (mm) (displayed in VV) mCurrentBeforeSlicingTransform
+ // | Λ
+ // | | GetSlicingTransform()
+ // | |
+ // ___|__|___ VTK world coordinates (mm) (never displayed) mCurrent
+