1program ex1f90 2#include <petsc/finclude/petscdmlabel.h> 3 use petscdm 4 use petscdmlabel 5 implicit NONE 6 7 type(tDM) :: dm, dmDist 8 character(len=PETSC_MAX_PATH_LEN) :: filename 9 PetscBool :: interpolate = PETSC_FALSE 10 PetscBool :: flg 11 PetscErrorCode :: ierr 12 PetscInt :: izero 13 izero = 0 14 15 PetscCallA(PetscInitialize(ierr)) 16 PetscCallA(PetscOptionsGetString(PETSC_NULL_OPTIONS,PETSC_NULL_CHARACTER,'-i',filename,flg,ierr)) 17 PetscCallA(PetscOptionsGetBool(PETSC_NULL_OPTIONS,PETSC_NULL_CHARACTER,'-interpolate',interpolate,flg,ierr)) 18 19 PetscCallA(DMPlexCreateFromFile(PETSC_COMM_WORLD,filename,'ex1f90_plex',interpolate,dm,ierr)) 20 PetscCallA(DMPlexDistribute(dm,izero,PETSC_NULL_SF,dmDist,ierr)) 21 if (.not. PetscObjectIsNull(dmDist)) then 22 PetscCallA(DMDestroy(dm,ierr)) 23 dm = dmDist 24 end if 25 26 PetscCallA(ViewLabels(dm,PETSC_VIEWER_STDOUT_WORLD,ierr)) 27 PetscCallA(DMDestroy(dm,ierr)) 28 PetscCallA(PetscFinalize(ierr)) 29 30contains 31 subroutine ViewLabels(dm,viewer,ierr) 32 type(tDM) :: dm 33 type(tPetscViewer) :: viewer 34 PetscErrorCode :: ierr 35 36 DMLabel :: label 37 type(tIS) :: labelIS 38 character(len=PETSC_MAX_PATH_LEN):: labelName,IObuffer 39 PetscInt :: numLabels,l 40 41 PetscCall(DMGetNumLabels(dm, numLabels, ierr)) 42 write(IObuffer,*) 'Number of labels: ', numLabels, '\n' 43 PetscCall(PetscViewerASCIIPrintf(viewer, IObuffer, ierr)) 44 do l = 0, numLabels-1 45 PetscCall(DMGetLabelName(dm, l, labelName, ierr)) 46 write(IObuffer,*) 'label ',l,' name: ',trim(labelName),'\n' 47 PetscCall(PetscViewerASCIIPrintf(viewer, IObuffer, ierr)) 48 49 PetscCall(PetscViewerASCIIPrintf(viewer, 'IS of values\n', ierr)) 50 PetscCall(DMGetLabel(dm, labelName, label, ierr)) 51 PetscCall(DMLabelGetValueIS(label, labelIS, ierr)) 52! PetscCall(PetscViewerASCIIPushTab(viewer,ierr)) 53 PetscCall(ISView(labelIS, viewer, ierr)) 54! PetscCall(PetscViewerASCIIPopTab(viewer,ierr)) 55 PetscCall(ISDestroy(labelIS, ierr)) 56 PetscCall(PetscViewerASCIIPrintf(viewer, '\n', ierr)) 57 end do 58 59 PetscCall(PetscViewerASCIIPrintf(viewer,'\n\nCell Set label IS\n',ierr)) 60 PetscCall(DMGetLabel(dm, 'Cell Sets', label, ierr)) 61 PetscCall(DMLabelGetValueIS(label, labelIS, ierr)) 62 PetscCall(ISView(labelIS, viewer, ierr)) 63 PetscCall(ISDestroy(labelIS, ierr)) 64 end subroutine viewLabels 65end program ex1F90 66 67!/*TEST 68! 69! test: 70! suffix: 0 71! args: -i ${wPETSC_DIR}/share/petsc/datafiles/meshes/blockcylinder-50.exo -interpolate 72! requires: exodusii 73! 74!TEST*/ 75