petsc-master 2019-09-20
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DMPlexComputeProjection3Dto1D

Rewrite coordinates to be the 1D projection of the 3D coordinates

Synopsis

#include "petscdmplex.h"   
#include "petscfe.h"       
PetscErrorCode DMPlexComputeProjection3Dto1D(PetscScalar coords[], PetscReal R[])
Not collective

Input Parameter

coords -The coordinates of a segment

Output Parameters

coords - The new y-coordinate, and 0 for x and z
R - The rotation which accomplishes the projection

Note: This uses the basis completion described by Frisvad in http://www.imm.dtu.dk/~jerf/papers/abstracts/onb.html, DOI:10.1080/2165347X.2012.689606

See Also

DMPlexComputeProjection2Dto1D(), DMPlexComputeProjection3Dto2D()

Level

developer

Location

src/dm/impls/plex/plexgeometry.c
Index of all DMPLEX routines
Table of Contents for all manual pages
Index of all manual pages