FeaturePtr aSub = aComposite->subFeature(a);
bool aWasModified = myUpdated[aSub];
myUpdated.erase(myUpdated.find(aSub)); // erase to update for sure (plane may be changed)
FeaturePtr aSub = aComposite->subFeature(a);
bool aWasModified = myUpdated[aSub];
myUpdated.erase(myUpdated.find(aSub)); // erase to update for sure (plane may be changed)