FIX: re-ordered initialization to be free of uninitialized values


git-svn-id: https://www.nitrc.org/svn/cmtk/trunk@4811 42a5c34f-2066-0410-bec5-ba365beb4995
FIX: crash in triplanar introduced in previous commit
FIX: multiple Coverity-identified problems


git-svn-id: https://www.nitrc.org/svn/cmtk/trunk@4812 42a5c34f-2066-0410-bec5-ba365beb4995
FIX: Coverity-identified defects


git-svn-id: https://www.nitrc.org/svn/cmtk/trunk@4813 42a5c34f-2066-0410-bec5-ba365beb4995