* Triangles are transformed in prisms, and quadrangles in hexahedrons.
* \param theDomains - list of groups of volumes
* \param createJointElems - if TRUE, create the elements
* Triangles are transformed in prisms, and quadrangles in hexahedrons.
* \param theDomains - list of groups of volumes
* \param createJointElems - if TRUE, create the elements