<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div class=""><br class=""></div> DMView_DA_Matlab produces a Matlab "struct" that has all the global (non-parallel) information about the DMDA. From this, for example, a Matlab routine can draw the DMDA, plot DMDA vectors (in 1, 2 or 3 for example). <div class=""><br class=""></div><div class=""> This is certainly feasible for other DM's as well, allowing them to pass to Matlab all the (global) mesh information for visualization etc. A nice feature to have, but always a question of allocation of resources for relevant things it would be nice for PETSc to have versus other things.</div><div class=""><br class=""></div><div class=""> Barry</div><div class=""> <br class=""><div class=""><br class=""></div><div class=""><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Dec 28, 2020, at 12:43 PM, Mark Adams <<a href="mailto:mfadams@lbl.gov" class="">mfadams@lbl.gov</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">Oh yea, duh, its mat_view.</div><br class=""><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Dec 28, 2020 at 10:35 AM Matthew Knepley <<a href="mailto:knepley@gmail.com" class="">knepley@gmail.com</a>> wrote:<br class=""></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr" class=""><div dir="ltr" class="">On Mon, Dec 28, 2020 at 9:51 AM Mark Adams <<a href="mailto:mfadams@lbl.gov" target="_blank" class="">mfadams@lbl.gov</a>> wrote:<br class=""></div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr" class=""><div class="">This used to work:</div><div class=""><br class=""></div>./ex2 -dm_view ascii:local3.m:ascii_matlab -vec_view ascii:local3.m:ascii_matlab:append ....</div></blockquote><div class=""><br class=""></div><div class="">I know vec_view to Matlab format works, but what would the DMView produce in MatLab?</div><div class=""><br class=""></div><div class=""> THanks,</div><div class=""><br class=""></div><div class=""> Matt</div><div class=""> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr" class=""><div class="">[0]PETSC ERROR: --------------------- Error Message --------------------------------------------------------------<br class="">[0]PETSC ERROR: No support for this operation for this object type<br class="">[0]PETSC ERROR: No support for format 'ASCII_MATLAB'<br class="">[0]PETSC ERROR: See <a href="https://www.mcs.anl.gov/petsc/documentation/faq.html" target="_blank" class="">https://www.mcs.anl.gov/petsc/documentation/faq.html</a> for trouble shooting.<br class="">[0]PETSC ERROR: Petsc Development GIT revision: v3.14.2-338-g2911d1dbb4 GIT Date: 2020-12-23 22:09:57 +0000<br class="">[0]PETSC ERROR: ./ex2 on a arch-macosx-gnu-g named MarksMac-302.local by markadams Mon Dec 28 09:44:01 2020<br class="">[0]PETSC ERROR: Configure options --with-mpi-dir=/usr/local/Cellar/mpich/3.3.2_1 COPTFLAGS="-g -O0" CXXOPTFLAGS="-g -O0" --download-metis=1 --download-parmetis=1 --download-kokkos=1 --download-kokkos-kernels=1 --download-p4est=1 --with-zlib=1 --with-make-np=4 --download-hdf5=1 -with-cuda=0 --with-x=0 --with-debugging=1 PETSC_ARCH=arch-macosx-gnu-g --with-64-bit-indices=0 --with-openmp=0 --with-ctable=0<br class="">[0]PETSC ERROR: #1 DMView_ASCII_p4est() line 1386 in /Users/markadams/Codes/petsc/src/dm/impls/forest/p4est/pforest.c<br class="">[0]PETSC ERROR: #2 DMView_p4est() line 1495 in /Users/markadams/Codes/petsc/src/dm/impls/forest/p4est/pforest.c<br class="">[0]PETSC ERROR: #3 DMView() line 932 in /Users/markadams/Codes/petsc/src/dm/interface/dm.c<br class="">[0]PETSC ERROR: #4 PetscObjectView() line 90 in /Users/markadams/Codes/petsc/src/sys/objects/destroy.c<br class="">[0]PETSC ERROR: #5 PetscObjectViewFromOptions() line 124 in /Users/markadams/Codes/petsc/src/sys/objects/destroy.c<br class="">[0]PETSC ERROR: #6 DMViewFromOptions() line 877 in /Users/markadams/Codes/petsc/src/dm/interface/dm.c<br class="">[0]PETSC ERROR: #7 main() line 747 in ex2.c<br class=""></div><div class=""><br class=""></div><div class="">Any ideas on how to go about fixing this? would just converting to a plex work?</div><div class=""><br class=""></div></div>
</blockquote></div><br clear="all" class=""><div class=""><br class=""></div>-- <br class=""><div dir="ltr" class=""><div dir="ltr" class=""><div class=""><div dir="ltr" class=""><div class=""><div dir="ltr" class=""><div class="">What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead.<br class="">-- Norbert Wiener</div><div class=""><br class=""></div><div class=""><a href="http://www.cse.buffalo.edu/~knepley/" target="_blank" class="">https://www.cse.buffalo.edu/~knepley/</a><br class=""></div></div></div></div></div></div></div></div>
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