* to a coarse image mesh. Only tuples ( deduced from \a fineLocInCoarse ) of \a coarseDA will be modified. Other tuples of \a coarseDA will be let unchanged.
*
* \param [in] coarseSt The cell structure of coarse mesh.
* to a coarse image mesh. Only tuples ( deduced from \a fineLocInCoarse ) of \a coarseDA will be modified. Other tuples of \a coarseDA will be let unchanged.
*
* \param [in] coarseSt The cell structure of coarse mesh.