* \brief Structure used to temporary remove EventProparatorToEdges from faceSubMesh
* in order to prevent propagation of CLEAN event from FACE to EDGEs during
* StdMeshers_Projection_1D2D::Compute(). The CLEAN event is emmited by Pattern mapper
* \brief Structure used to temporary remove EventProparatorToEdges from faceSubMesh
* in order to prevent propagation of CLEAN event from FACE to EDGEs during
* StdMeshers_Projection_1D2D::Compute(). The CLEAN event is emmited by Pattern mapper