+void vvROIActor::SetContourVisible(bool b) {
+ mIsContourVisible = b;
+ if (!b) { // remove actor
+ for(unsigned int i= 0; i<mOverlayActors.size(); i++) {
+ // mOverlayActors[i]->HideActors();
+ mImageContour[i]->HideActors();
+ }
+ }
+ else {
+ for(unsigned int i= 0; i<mOverlayActors.size(); i++) {
+ // mOverlayActors[i]->ShowActors();
+ mImageContour[i]->ShowActors();
+ }
+ }
+ Update();
+}
+//------------------------------------------------------------------------------
+
+
+//------------------------------------------------------------------------------
+bool vvROIActor::IsVisible() {