petsc-3.9.4 2018-09-11
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DMDACoor2d

Structure for holding 2d (x and y) coordinates.

Synopsis

DMDACoor2d **coors;
Vec      vcoors;
DM       cda;
DMGetCoordinates(da,&vcoors);
DMGetCoordinateDM(da,&cda);
DMDAVecGetArray(cda,vcoors,&coors);
DMDAGetCorners(cda,&mstart,&nstart,0,&m,&n,0)
for (i=mstart; i<mstart+m; i++) {
for (j=nstart; j<nstart+n; j++) {
x = coors[j][i].x;
y = coors[j][i].y;
......
}
}
DMDAVecRestoreArray(dac,vcoors,&coors);

See Also

DMDACoor3d, DMGetCoordinateDM(), DMGetCoordinates()

Level

intermediate

Location

src/dm/impls/da/../../../../include/petscdmda.h

Examples

src/snes/examples/tutorials/ex5.c.html

Index of all DMDA routines
Table of Contents for all manual pages
Index of all manual pages