The coordinates are stored according to the PETSc numbering. You get them using
http://www.mcs.anl.gov/petsc/petsc-as/snapshots/petsc-current/docs/manualpages/DA/DAGetCoordinates.html Matt On Fri, Feb 20, 2009 at 12:25 PM, Yixun Liu <enjoywm at cs.wm.edu> wrote: > Hi, > In ex2, the following codes Change the element vertex information to the > PETSc numbering. > > 705:AOCreateBasic < > http://www.mcs.anl.gov/petsc/petsc-as/snapshots/petsc-3.0.0/docs/manualpages/AO/AOCreateBasic.html#AOCreateBasic>(PETSC_COMM_WORLD > < > http://www.mcs.anl.gov/petsc/petsc-as/snapshots/petsc-3.0.0/docs/manualpages/Sys/PETSC_COMM_WORLD.html#PETSC_COMM_WORLD>,gdata->nlocal,gdata->localvert,PETSC_NULL > < > http://www.mcs.anl.gov/petsc/petsc-as/snapshots/petsc-3.0.0/docs/manualpages/Sys/PETSC_NULL.html#PETSC_NULL > >,&ao); > < > http://www.mcs.anl.gov/petsc/petsc-as/snapshots/petsc-3.0.0/docs/manualpages/AO/AOCreateBasic.html#AOCreateBasic>710:AOApplicationToPetsc > < > http://www.mcs.anl.gov/petsc/petsc-as/snapshots/petsc-3.0.0/docs/manualpages/AO/AOApplicationToPetsc.html#AOApplicationToPetsc > >(ao,3*gdata->mlocal_ele,gdata->ele); > > However, I cannot find the codes which are used to create an array or > vector, which stores the coordinates according to the PETSc numbering. > Without this array how we get the coordinate of the vertex of an element? > > Thanks. > > > -- What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead. -- Norbert Wiener -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20090220/4ffb13dd/attachment.htm>
