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Dear PETSc developers,</div>
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I have a DMPlex DM with 1 field 1dof. I'd like to output a vector with block size equals to 3. It seems that there is no response using command line option or using some code about PetscViewer.</div>
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The DM is generated with (note that I'm not using PetscFE for discretization, just for allocate dof.)</div>
<div class="elementToProof"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 10pt; color: rgb(0, 0, 0);"><i>PetscCall(DMPlexCreateExodusFromFile(PETSC_COMM_WORLD,"tube.exo",interpolate,&dm));</i></span></div>
<div class="elementToProof"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 10pt; color: rgb(0, 0, 0);"><i>PetscCall(PetscFECreateLagrange(PETSC_COMM_SELF,dim,1,PETSC_TRUE,1,PETSC_DETERMINE,&fe));</i></span></div>
<div class="elementToProof"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 10pt; color: rgb(0, 0, 0);"><i>PetscCall(PetscObjectSetName((PetscObject)fe,"potential_field"));</i></span></div>
<div class="elementToProof"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 10pt; color: rgb(0, 0, 0);"><i>PetscCall(DMSetField(dm,0,NULL,(PetscObject)fe));</i></span></div>
<div class="elementToProof"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 10pt; color: rgb(0, 0, 0);"><i>PetscCall(DMPlexDistribute(dm,0,&sf,&dmParallel));</i></span></div>
<div class="elementToProof"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"><br>
</span></div>
<div class="elementToProof"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">The Vector is created using </span></div>
<div class="elementToProof"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 10pt; color: rgb(0, 0, 0);"><i>PetscCall(DMCreateGlobalVector(dm,&phi_1));</i></span></div>
<div class="elementToProof"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 10pt; color: rgb(0, 0, 0);"><i>PetscCall(VecSetLocalToGlobalMapping(phi_1,Itog));</i></span></div>
<div class="elementToProof"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 10pt; color: rgb(0, 0, 0);"><i>PetscCall(VecGetLocalSize(phi_1,&vec_local_size_test));</i></span></div>
<div class="elementToProof"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 10pt; color: rgb(0, 0, 0);"><i>PetscCall(VecCreateMPI(PETSC_COMM_WORLD, vec_local_size_test*3, PETSC_DETERMINE,
&u_grad_psi));</i></span></div>
<div class="elementToProof"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 10pt; color: rgb(0, 0, 0);"><i>PetscCall(VecSetBlockSize(u_grad_psi, 3));</i></span></div>
<div class="elementToProof"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 10pt; color: rgb(0, 0, 0);"><i>PetscCall(VecSetLocalToGlobalMapping(u_grad_psi,Itog));</i></span></div>
<div class="elementToProof"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 10pt; color: rgb(0, 0, 0);"><i><br>
</i></span></div>
<div class="elementToProof"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">The output command line option is just --vec_view vtk:test.vtk. The PETSc version I'm
using is 3.19.5.</span></div>
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Could you please give me some advice?</div>
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Best Regards,</div>
<div class="elementToProof"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">Yujie</span></div>
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