+ // Visibility of the different elements that can be set from outside the object.
+ // Note that vvSlicer also check if the element is to be displayed according to
+ // the extent of the displayed object.
+ // These members have been introduced to fix Bug #1883.
+ bool mImageVisibility;
+ bool mOverlayVisibility;
+ bool mFusionVisibility;
+ bool mVFVisibility;
+ bool mFirstSetSliceOrientation;