示例#1
0
void CESets::add_tag(const std::string &tag_name, const char *value)
{
  iBase_TagHandle tag_handle;
  int err;
  iMesh_getTagHandle(impl_, tag_name.c_str(), &tag_handle, &err,
                     tag_name.size());
  check_error(impl_, err);

  add_tag(tag_handle, value);
}
示例#2
0
文件: genblock.c 项目: jedbrown/dohp
static dErr doGlobalID(iMesh_Instance mesh,iBase_EntitySetHandle root)
{
  MeshListEH ents=MLZ;
  MeshListInt type=MLZ;
  int count[4] = {0,0,0,0};
  int owned,*number;
  dMeshTag idTag;
  dErr err;

  dFunctionBegin;
  iMesh_getEntities(mesh,root,iBase_ALL_TYPES,iMesh_ALL_TOPOLOGIES,MLREF(ents),&err);dICHK(mesh,err);
  iMesh_getEntArrType(mesh,ents.v,ents.s,MLREF(type),&err);dICHK(mesh,err);
  err = dMalloc(ents.s*sizeof(number[0]),&number);dCHK(err);
  owned = ents.s;
  for (int i=0; i<owned; i++) {
    number[i] = count[type.v[i]]++;
  }
  iMesh_getTagHandle(mesh,"GLOBAL_ID",&idTag,&err,sizeof("GLOBAL_ID"));dICHK(mesh,err);
  iMesh_setIntArrData(mesh,ents.v,owned,idTag,number,owned,&err);dICHK(mesh,err);
  err = dFree(number);dCHK(err);
  MeshListFree(ents); MeshListFree(type);
  dFunctionReturn(0);
}
示例#3
0
文件: genblock.c 项目: jedbrown/dohp
// Generates a mesh of a brick using run-time parameters.
// The new mesh populates the given root set.
// This should be converted to have a useful programmatic API.
dErr dMeshGenerateBlock(dMesh dmesh,dMeshESH root,PetscBool do_geom)
{
  const char pTagName[]="OWNING_PART", pSetName[]="PARALLEL_PARTITION";
  PetscBool  assoc_with_brick=0,do_color_bdy=0,do_material = 1,do_uniform = 1,do_global_number = 0,do_global_id = 1;
  PetscBool  do_partition = 1,do_pressure = 0,do_faces = 1,do_edges = 1;
  dReal rotate_y = 0;
  dInt verbose = 0;
  iMesh_Instance mesh;
  iBase_EntityHandle *entbuf;
  iBase_EntitySetHandle facesets[6];
  iBase_TagHandle pTag;
  MeshListEH v=MLZ,e=MLZ,f=MLZ,r=MLZ,c=MLZ;
  MeshListReal x=MLZ;
  MeshListInt s=MLZ,part=MLZ;
  dInt *face[6],facecount[6]={0};
  int err,i,j,k,m,n,p,M,N,P,I,J,K,order=iBase_INTERLEAVED;
  Box box;
  PetscViewer viewer;

  dFunctionBegin;
  dValidHeader(dmesh,dMESH_CLASSID,1);
  err = PetscViewerASCIIGetStdout(((PetscObject)dmesh)->comm,&viewer);dCHK(err);
  err = PetscOptionsBegin(((PetscObject)dmesh)->comm,((PetscObject)dmesh)->prefix,"dMeshGenerate Block: generate cartesian meshes",NULL);dCHK(err);
  {
    char boxstr[256] = "-1:1,-1:1,-1:1",mnp[256] = "5,5,5",MNP[256] = "2,2,2";
    err = PetscOptionsInt("-dmeshgen_block_verbose","verbosity of output","none",verbose,&verbose,NULL);dCHK(err);
    if (do_geom) {
      err = PetscOptionsBool("-dmeshgen_block_assoc_with_brick","associate boundaries with brick","none",assoc_with_brick,&assoc_with_brick,NULL);dCHK(err);
    }
    err = PetscOptionsBool("-dmeshgen_block_color_bdy","color boundary sets","none",do_color_bdy,&do_color_bdy,NULL);dCHK(err);
    err = PetscOptionsBool("-dmeshgen_block_material","create material sets","none",do_material,&do_material,NULL);dCHK(err);
    err = PetscOptionsBool("-dmeshgen_block_uniform","create uniform sets","none",do_uniform,&do_uniform,NULL);dCHK(err);
    err = PetscOptionsBool("-dmeshgen_block_global_number","create global_number tags","none",do_global_number,&do_global_number,NULL);dCHK(err);
    err = PetscOptionsBool("-dmeshgen_block_global_id","create GLOBAL_ID tags","none",do_global_id,&do_global_id,NULL);dCHK(err);
    err = PetscOptionsBool("-dmeshgen_block_partition","create partition sets","none",do_partition,&do_partition,NULL);dCHK(err);
    err = PetscOptionsBool("-dmeshgen_block_pressure","create pressure sets","none",do_pressure,&do_pressure,NULL);dCHK(err);
    err = PetscOptionsBool("-dmeshgen_block_faces","create face entities","none",do_faces,&do_faces,NULL);dCHK(err);
    err = PetscOptionsBool("-dmeshgen_block_edges","create face entities","none",do_edges,&do_edges,NULL);dCHK(err);
    err = PetscOptionsReal("-dmeshgen_block_rotate_y","rotate domain by given angle (degrees) around y axis)","none",rotate_y,&rotate_y,NULL);dCHK(err); rotate_y *= PETSC_PI/180.;
    err = PetscOptionsString("-dmeshgen_block_box","box x0:x1,y0:y1,z0:z1","none",boxstr,boxstr,sizeof(boxstr),NULL);dCHK(err);
    err = PetscOptionsString("-dmeshgen_block_mnp","number of points m,n,p","none",mnp,mnp,sizeof(mnp),NULL);dCHK(err);
    err = PetscOptionsString("-dmeshgen_block_procs_mnp","number of procs M,N,P","none",MNP,MNP,sizeof(MNP),NULL);dCHK(err);

    i = sscanf(boxstr,"%lf:%lf,%lf:%lf,%lf:%lf",&box.x0,&box.x1,&box.y0,&box.y1,&box.z0,&box.z1);
    if (i != 6) dERROR(PETSC_COMM_SELF,1,"Failed to parse bounding box.");
    i = sscanf(mnp,"%d,%d,%d",&m,&n,&p);
    if (i != 3) dERROR(PETSC_COMM_SELF,1,"Failed to parse size.");
    i = sscanf(MNP,"%d,%d,%d",&M,&N,&P);
    if (i != 3) dERROR(PETSC_COMM_SELF,1,"Failed to parse partition size.");
  }
  err = PetscOptionsEnd();
  err = dMeshGetInstance(dmesh,&mesh);dCHK(err);

  /* Allocate buffers */
  err = dMallocA(m*n*p*3,&entbuf);dCHK(err); /* More than enough to hold all entities of any given type */
  for (i=0; i<6; i++) {
    int n2max = dSqrInt(dMaxInt(m,dMaxInt(n,p)));
    err = dMallocA(2*n2max,&face[i]);dCHK(err);
    iMesh_createEntSet(mesh,0,&facesets[i],&err);dICHK(mesh,err);
  }

  /* Create vertices */
  x.a = x.s = m*n*p*3; x.v = malloc(x.a*sizeof(double));
  for (i=0; i<m; i++) {
    for (j=0; j<n; j++) {
      for (k=0; k<p; k++) {
        dReal X,Y,Z;
        I = (i*n+j)*p+k;
        if (i==0) AddToFace(face,facecount,3,I);
        else if (i==m-1) AddToFace(face,facecount,1,I);
        else if (j==0) AddToFace(face,facecount,0,I);
        else if (j==n-1) AddToFace(face,facecount,2,I);
        else if (k==0) AddToFace(face,facecount,4,I);
        else if (k==p-1) AddToFace(face,facecount,5,I);
        X = box.x0 + (box.x1-box.x0)*(1.*i/(m-1));
        Y = box.y0 + (box.y1-box.y0)*(1.*j/(n-1));
        Z = box.z0 + (box.z1-box.z0)*(1.*k/(p-1));
        x.v[3*I+0] = cos(rotate_y) * X - sin(rotate_y) * Z;
        x.v[3*I+1] = Y;
        x.v[3*I+2] = sin(rotate_y) * X + cos(rotate_y) * Z;
      }
    }
  }
  iMesh_createVtxArr(mesh,m*n*p,order,x.v,x.s,&v.v,&v.a,&v.s,&err);dICHK(mesh,err);
  err = CommitToFaceSets(mesh,v.v,face,facecount,facesets,entbuf);
  MeshListFree(x);

  /* Create regions */
  c.a = c.s = (m-1)*(n-1)*(p-1)*8; c.v = malloc(c.a*sizeof(iBase_EntityHandle)); /* connectivity */
  I=0;
  for (i=0; i<m-1; i++) {
    for (j=0; j<n-1; j++) {
      for (k=0; k<p-1; k++) {
        c.v[I++] = v.v[((i+0)*n+(j+0))*p+(k+0)];
        c.v[I++] = v.v[((i+1)*n+(j+0))*p+(k+0)];
        c.v[I++] = v.v[((i+1)*n+(j+1))*p+(k+0)];
        c.v[I++] = v.v[((i+0)*n+(j+1))*p+(k+0)];
        c.v[I++] = v.v[((i+0)*n+(j+0))*p+(k+1)];
        c.v[I++] = v.v[((i+1)*n+(j+0))*p+(k+1)];
        c.v[I++] = v.v[((i+1)*n+(j+1))*p+(k+1)];
        c.v[I++] = v.v[((i+0)*n+(j+1))*p+(k+1)];
      }
    }
  }
  if (I != c.s) dERROR(PETSC_COMM_SELF,1,"Wrong number of regions.");
  iMesh_createEntArr(mesh,iMesh_HEXAHEDRON,c.v,c.s,&r.v,&r.a,&r.s,&s.v,&s.a,&s.s,&err);dICHK(mesh,err);
  if (r.s != (m-1)*(n-1)*(p-1)) dERROR(PETSC_COMM_SELF,1,"Wrong number of regions created.");
  if (verbose > 0) {err = PetscViewerASCIIPrintf(viewer,"region size %d, status size %d\n",r.s,s.s);dCHK(err);}

  if (do_global_number) {err = doGlobalNumber(mesh,root);dCHK(err);}
  if (do_global_id) {err = doGlobalID(mesh,root);dCHK(err);}

  if (do_partition) {           /* Partition tags */
    /* Create partition. */
    part.a = part.s = r.s; part.v = malloc(part.a*sizeof(int));
    for (i=0; i<m-1; i++) {
      for (j=0; j<n-1; j++) {
        for (k=0; k<p-1; k++) {
          I = i*M/(m-1); J = j*N/(n-1); K = k*P/(p-1);
          part.v[(i*(n-1)+j)*(p-1)+k] = (I*N+J)*P+K;
        }
      }
    }
    /* MATERIAL_SET is a special name associated with all iMesh instances
    * If we are using a different name, we can assume it is not special. */
    if (strcmp(pTagName,"MATERIAL_SET")) {
      iMesh_createTag(mesh,pTagName,1,iBase_INTEGER,&pTag,&err,sizeof(pTagName));dICHK(mesh,err);
    } else {
      iMesh_getTagHandle(mesh,"MATERIAL_SET",&pTag,&err,sizeof("MATERIAL_SET"));dICHK(mesh,err);
    }
    iMesh_setIntArrData(mesh,r.v,r.s,pTag,part.v,part.s,&err);dICHK(mesh,err);
    MeshListFree(part);
  }

  if (do_partition)             /* Partition sets */
  {
    int ii,jj,kk;
    iBase_EntitySetHandle partset;
    iBase_EntityHandle *entp;
    /* reuse some stuff, set up the a partition set */
    iMesh_createTag(mesh,pSetName,1,iBase_INTEGER,&pTag,&err,sizeof(pSetName));dICHK(mesh,err);
    for (i=0; i<M; i++) {
      for (j=0; j<N; j++) {
        for (k=0; k<P; k++) {
          iMesh_createEntSet(mesh,0,&partset,&err);dICHK(mesh,err);
          entp = entbuf;
          for (ii=i*(m-1)/M; ii<(i+1)*(m-1)/M; ii++) {
            for (jj=j*(n-1)/N; jj<(j+1)*(n-1)/N; jj++) {
              for (kk=k*(p-1)/P; kk<(k+1)*(p-1)/P; kk++) {
                *entp++ = r.v[(ii*(n-1)+jj)*(p-1)+kk];
              }
            }
          }
          if (verbose > 0) {err = PetscViewerASCIIPrintf(viewer,"part[%d (%d,%d,%d)] has %d regions\n",(i*N+j)*P+k,i,j,k,(int)(entp-entbuf));dCHK(err);}
          iMesh_addEntArrToSet(mesh,entbuf,(int)(entp-entbuf),partset,&err);dICHK(mesh,err);
          iMesh_setEntSetIntData(mesh,partset,pTag,(i*N+j)*P+k,&err);dICHK(mesh,err);
        }
      }
    }
  }
  MeshListFree(r); MeshListFree(s); MeshListFree(c);

  if (do_faces)
  {
    /* Create faces */
    c.a = c.s = 4*((m-1)*(n-1)*p + (m-1)*n*(p-1) + m*(n-1)*(p-1)); c.v = malloc(c.a*sizeof(iBase_EntityHandle));
    I = 0;
    for (i=0; i<m-1; i++) {     /* Faces with normal pointing in positive z direction */
      for (j=0; j<n-1; j++) {
        for (k=0; k<p; k++) {
          if (k==0) AddToFace(face,facecount,4,I/4);
          if (k==p-1) AddToFace(face,facecount,5,I/4);
          c.v[I++] = v.v[((i+0)*n+(j+0))*p+k];
          c.v[I++] = v.v[((i+1)*n+(j+0))*p+k];
          c.v[I++] = v.v[((i+1)*n+(j+1))*p+k];
          c.v[I++] = v.v[((i+0)*n+(j+1))*p+k];
        }
      }
    }
    for (i=0; i<m-1; i++) {     /* Faces with normal pointing in negative y direction */
      for (j=0; j<n; j++) {
        for (k=0; k<p-1; k++) {
          if (j==0) AddToFace(face,facecount,0,I/4);
          if (j==n-1) AddToFace(face,facecount,2,I/4);
          c.v[I++] = v.v[((i+0)*n+j)*p+(k+0)];
          c.v[I++] = v.v[((i+1)*n+j)*p+(k+0)];
          c.v[I++] = v.v[((i+1)*n+j)*p+(k+1)];
          c.v[I++] = v.v[((i+0)*n+j)*p+(k+1)];
        }
      }
    }
    for (i=0; i<m; i++) {       /* Faces with normal pointing in positive x direction */
      for (j=0; j<n-1; j++) {
        for (k=0; k<p-1; k++) {
          if (i==0) AddToFace(face,facecount,3,I/4);
          if (i==m-1) AddToFace(face,facecount,1,I/4);
          c.v[I++] = v.v[(i*n+(j+0))*p+(k+0)];
          c.v[I++] = v.v[(i*n+(j+1))*p+(k+0)];
          c.v[I++] = v.v[(i*n+(j+1))*p+(k+1)];
          c.v[I++] = v.v[(i*n+(j+0))*p+(k+1)];
        }
      }
    }
    if (I != c.s) dERROR(PETSC_COMM_SELF,1, "Wrong number of faces.");
    iMesh_createEntArr(mesh,iMesh_QUADRILATERAL,c.v,c.s,&f.v,&f.a,&f.s,&s.v,&s.a,&s.s,&err);dICHK(mesh,err);
    err = CommitToFaceSets(mesh,f.v,face,facecount,facesets,entbuf);dCHK(err);
    if (verbose > 0) {err = PetscViewerASCIIPrintf(viewer,"face size %d, status size %d\n",f.s,s.s);dCHK(err);}
    MeshListFree(f); MeshListFree(s); MeshListFree(c);
  }

  if (do_edges)
  {
    /* Create edges */
    c.a = c.s = 2*(m*n*(p-1) + m*(n-1)*p + (m-1)*n*p); c.v = malloc(c.a*sizeof(iBase_EntityHandle));
    I = 0;
    for (i=0; i<m; i++) {
      for (j=0; j<n; j++) {
        for (k=0; k<p-1; k++) {
          if (i==0) AddToFace(face,facecount,0,I/2);
          else if (i==m-1) AddToFace(face,facecount,2,I/2);
          else if (j==0) AddToFace(face,facecount,3,I/2);
          else if (j==n-1) AddToFace(face,facecount,1,I/2);
          c.v[I++] = v.v[(i*n+j)*p+(k+0)];
          c.v[I++] = v.v[(i*n+j)*p+(k+1)];
        }
      }
    }
    for (i=0; i<m; i++) {
      for (j=0; j<n-1; j++) {
        for (k=0; k<p; k++) {
          if (i==0) AddToFace(face,facecount,0,I/2);
          else if (i==m-1) AddToFace(face,facecount,2,I/2);
          else if (k==0) AddToFace(face,facecount,4,I/2);
          else if (k==p-1) AddToFace(face,facecount,5,I/2);
          c.v[I++] = v.v[(i*n+(j+0))*p+k];
          c.v[I++] = v.v[(i*n+(j+1))*p+k];
        }
      }
    }
    for (i=0; i<m-1; i++) {
      for (j=0; j<n; j++) {
        for (k=0; k<p; k++) {
          if (j==0) AddToFace(face,facecount,3,I/2);
          else if (j==n-1) AddToFace(face,facecount,1,I/2);
          else if (k==0) AddToFace(face,facecount,4,I/2);
          else if (k==p-1) AddToFace(face,facecount,5,I/2);
          c.v[I++] = v.v[((i+0)*n+j)*p+k];
          c.v[I++] = v.v[((i+1)*n+j)*p+k];
        }
      }
    }
    if (I != c.s) dERROR(PETSC_COMM_SELF,1, "Wrong number of edges.");
    iMesh_createEntArr(mesh,iMesh_LINE_SEGMENT,c.v,c.s, &e.v,&e.a,&e.s, &s.v,&s.a,&s.s,&err);dICHK(mesh,err);
    err = CommitToFaceSets(mesh,e.v,face,facecount,facesets,entbuf);dCHK(err);
    if (verbose > 0) {err = PetscViewerASCIIPrintf(viewer,"edge size %d, status size %d\n",e.s,s.s);dCHK(err);}
    MeshListFree(e); MeshListFree(s); MeshListFree(c);
  }

  /* We are done with the master vertex record. */
  MeshListFree(v);

  /* Create boundary sets, these are not related to geometry here */
  {
    dMeshESH wallset,topset,bottomset,senseSet;
    iBase_TagHandle bdyTag,senseTag;
    iMesh_getTagHandle(mesh,"NEUMANN_SET",&bdyTag,&err,sizeof("NEUMANN_SET"));dICHK(mesh,err);
    iMesh_createTag(mesh,"SENSE",1,iBase_INTEGER,&senseTag,&err,sizeof "SENSE");dICHK(mesh,err);
    iMesh_createEntSet(mesh,0,&wallset,&err);dICHK(mesh,err);
    iMesh_createEntSet(mesh,0,&topset,&err);dICHK(mesh,err);
    iMesh_createEntSet(mesh,0,&bottomset,&err);dICHK(mesh,err);
    iMesh_setEntSetIntData(mesh,wallset,bdyTag,100,&err);dICHK(mesh,err);
    iMesh_setEntSetIntData(mesh,topset,bdyTag,200,&err);dICHK(mesh,err);
    iMesh_setEntSetIntData(mesh,bottomset,bdyTag,300,&err);dICHK(mesh,err);
    for (i=0; i<4; i++) {iMesh_addEntSet(mesh,facesets[i],wallset,&err);dICHK(mesh,err);}
    iMesh_addEntSet(mesh,facesets[5],topset,&err);dICHK(mesh,err);
    iMesh_addEntSet(mesh,facesets[4],bottomset,&err);dICHK(mesh,err);

    /* Deal with SENSE on the walls */
    iMesh_createEntSet(mesh,0,&senseSet,&err);dICHK(mesh,err);
    iMesh_addEntSet(mesh,facesets[2],senseSet,&err);dICHK(mesh,err);
    iMesh_addEntSet(mesh,facesets[3],senseSet,&err);dICHK(mesh,err);
    iMesh_setEntSetIntData(mesh,senseSet,senseTag,-1,&err);dICHK(mesh,err);
    iMesh_addEntSet(mesh,senseSet,wallset,&err);dICHK(mesh,err);

    /* Deal with SENSE on the bottom */
    iMesh_createEntSet(mesh,0,&senseSet,&err);dICHK(mesh,err);
    iMesh_addEntSet(mesh,facesets[4],senseSet,&err);dICHK(mesh,err);
    iMesh_setEntSetIntData(mesh,senseSet,senseTag,-1,&err);dICHK(mesh,err);
    iMesh_addEntSet(mesh,senseSet,bottomset,&err);dICHK(mesh,err);

    for (i=0; i<6; i++) {err = dFree(face[i]);}
    err = dFree(entbuf);dCHK(err);
  }

  if (do_material) {err = doMaterial(mesh,root);dCHK(err);}

  /* Add a real valued tag over the vertices. */
  if (do_pressure) {
    static const char *myTagName = "pressure";
    iBase_TagHandle myTag;
    double *myData;

    iMesh_getEntities(mesh,root,iBase_VERTEX,iMesh_POINT,&v.v,&v.a,&v.s,&err);dICHK(mesh,err);
    iMesh_createTag(mesh,myTagName,1,iBase_DOUBLE,&myTag,&err,(int)strlen(myTagName));dICHK(mesh,err);
    err = PetscMalloc(v.s*sizeof(double),&myData);dCHK(err);
    for (i=0; i<v.s; i++) { myData[i] = 1.0 * i; }
    iMesh_setDblArrData(mesh,v.v,v.s,myTag,myData,v.s,&err);dICHK(mesh,err);
    err = PetscFree(myData);dCHK(err);
    MeshListFree(v);
  }

  if (do_uniform) {err = createUniformTags(mesh,root);dCHK(err);}

  if (do_geom)
#ifndef dHAVE_ITAPS_REL
    dERROR(((dObject)dmesh)->comm,PETSC_ERR_ARG_UNKNOWN_TYPE,"Dohp has not been configured with support for geometry");
#else
  {
    const char geom_options[] = ";ENGINE=OCC;";
    const char rel_options[] = "";
    iGeom_Instance geom;
    iRel_Instance assoc;
    iRel_PairHandle pair;
    iBase_EntityHandle brick;
    iGeom_newGeom(geom_options,&geom,&err,sizeof geom_options);dIGCHK(geom,err);
    iRel_create(rel_options,&assoc,&err,sizeof rel_options);dIRCHK(assoc,err);
    iRel_createPair(assoc,geom,0,iRel_IGEOM_IFACE,iRel_ACTIVE,mesh,1,iRel_IMESH_IFACE,iRel_ACTIVE,&pair,&err);dIGCHK(assoc,err);
    iGeom_createBrick(geom,box.x1-box.x0,box.y1-box.y0,box.z1-box.z0,&brick,&err);dIGCHK(geom,err);
    iGeom_moveEnt(geom,brick,0.5*(box.x0+box.x1),0.5*(box.y0+box.y1),0.5*(box.z0+box.z1),&err);dIGCHK(geom,err);
    if (verbose > 0) {err = BoundingBoxView(geom,brick,"brick",viewer);dCHK(err);}
    {
      iBase_EntityHandle gface[6],*gface_p=gface;
      int gface_a=6,gface_s;
      iGeom_getEntAdj(geom,brick,2,&gface_p,&gface_a,&gface_s,&err);dIGCHK(geom,err);
      for (i=0; i<6; i++) {
        char name[20];
        sprintf(name,"face_%d",i);
        err = BoundingBoxView(geom,gface[i],name,viewer);dCHK(err);
      }
      if (assoc_with_brick) {
        for (i=0; i<6; i++) {
          iRel_setEntSetRelation(assoc,pair,brick,facesets[i],&err);dIRCHK(assoc,err);
        }
      } else {
        /* Set associations.  With the current Lasso implementation, these will not be saved */
        iRel_setEntSetRelation(assoc,pair,gface[0],facesets[3],&err);dIRCHK(assoc,err);
        iRel_setEntSetRelation(assoc,pair,gface[1],facesets[1],&err);dIRCHK(assoc,err);
        iRel_setEntSetRelation(assoc,pair,gface[2],facesets[0],&err);dIRCHK(assoc,err);
        iRel_setEntSetRelation(assoc,pair,gface[3],facesets[2],&err);dIRCHK(assoc,err);
        iRel_setEntSetRelation(assoc,pair,gface[4],facesets[4],&err);dIRCHK(assoc,err);
        iRel_setEntSetRelation(assoc,pair,gface[5],facesets[5],&err);dIRCHK(assoc,err);
      }
    }
    {
      dMeshTag meshGlobalIDTag,meshGeomDimTag,geomGlobalIDTag;
      /* Manually set association tags, these are set so that the associations above can be inferred. */
      iMesh_getTagHandle(mesh,"GLOBAL_ID",&meshGlobalIDTag,&err,sizeof "GLOBAL_ID");dICHK(mesh,err);
      iMesh_getTagHandle(mesh,"GEOM_DIMENSION",&meshGeomDimTag,&err,sizeof "GEOM_DIMENSION");dICHK(mesh,err);
      iGeom_getTagHandle(geom,"GLOBAL_ID",&geomGlobalIDTag,&err,sizeof "GLOBAL_ID");dIGCHK(geom,err);
      for (i=0; i<6; i++) {
        iBase_EntityHandle gface;
        int gid,gdim;
        iRel_getSetEntRelation(assoc,pair,facesets[i],1,&gface,&err);dIRCHK(assoc,err);
        iGeom_getEntType(geom,gface,&gdim,&err);dIGCHK(geom,err);
        if (gdim != 2) dERROR(PETSC_COMM_SELF,1,"Geometric dimension is %d, expected 2",gdim);
        iGeom_getIntData(geom,gface,geomGlobalIDTag,&gid,&err);dIGCHK(geom,err);
        iMesh_setEntSetIntData(mesh,facesets[i],meshGeomDimTag,2,&err);dICHK(mesh,err);
        /* If the following line is disabled, Lasso will pick up the wrong relations, but at least they will still be with
        * surfaces.  Wouldn't it be better to not find relations? */
        iMesh_setEntSetIntData(mesh,facesets[i],meshGlobalIDTag,gid,&err);dICHK(mesh,err);
      }
    }
    err = dMeshSetGeometryRelation(dmesh,geom,assoc);dCHK(err);
  }
#endif
  dFunctionReturn(0);
}
示例#4
0
// This consistent interpolation example loads a linear quad mesh
// tagged with a scalar field and interpolates it along with the gradient
// pullback onto a delaunay tri mesh mesh. (Function domain = func_dmn,
// function range = func_rng ) 
int main(int argc, char* argv[])
{
    // Setup communication.
    Teuchos::GlobalMPISession mpiSession(&argc,&argv);
    Teuchos::RCP<const Teuchos::Comm<int> > comm = 
	Teuchos::DefaultComm<int>::getComm();

    if ( getDefaultComm<int>()->getRank() == 0 ) // Force scalar execution.
    {

    int error;

    // The tensor template can be shared by both the range and
    // domain value. 
    Teuchos::RCP<FOOD::TensorTemplate> tensor_template = Teuchos::rcp(
	new FOOD::TensorTemplate(0, 1, FOOD::FOOD_REAL, Teuchos::null) );

    // Need another one for the gradient. Here the gradient is a 3-vector.
    Teuchos::RCP<FOOD::TensorTemplate> grad_tensor_template = Teuchos::rcp(
	new FOOD::TensorTemplate(1, 3, FOOD::FOOD_REAL, Teuchos::null) );

    // Set up the func_dmn mesh.
    iMesh_Instance func_dmn_mesh;
    iMesh_newMesh("", &func_dmn_mesh, &error, 0);
    assert( iBase_SUCCESS == error );

    iBase_EntitySetHandle func_dmn_root_set;
    iMesh_getRootSet( func_dmn_mesh, &func_dmn_root_set, &error );
    assert( iBase_SUCCESS == error );

    std::string func_dmn_mesh_filename = "tagged_quad_flat_surf.vtk";
    iMesh_load( func_dmn_mesh, 
		func_dmn_root_set, 
		&func_dmn_mesh_filename[0], 
		"", 
		&error,
		(int) func_dmn_mesh_filename.size(),
		0 );
    assert( iBase_SUCCESS == error );

    // Set up the func_dmn mesh field.
    Teuchos::RCP<FOOD::Domain> func_dmn_domain = Teuchos::rcp(
	new FOOD::Domain(func_dmn_mesh, func_dmn_root_set, FOOD::FOOD_MBCN) );

    Teuchos::RCP< FOOD::DFuncKernel<double> > func_dmn_dfunckernel =
	Teuchos::rcp( new FOOD::DFuncKernel<double>( iBase_FACE,
						     iMesh_QUADRILATERAL,
						     iBase_VERTEX,
						     iMesh_POINT,
						     FOOD::FOOD_CARTESIAN,
						     FOOD::FOOD_FEM,
						     FOOD::FOOD_HGRAD,
						     FOOD::FOOD_SHARDSCN,
						     2 ) );

    Teuchos::RCP< FOOD::TensorField<double> > func_dmn_field = Teuchos::rcp(
	new FOOD::TensorField<double>( getDefaultComm<int>(),
				       func_dmn_domain,
				       func_dmn_dfunckernel,
				       FOOD::FOOD_CARTESIAN, 
				       tensor_template,
				       Teuchos::null,
				       "FUNC_DMN_FIELD" ) );

    std::string func_dmn_tag_name = "domain";
    iBase_TagHandle func_dmn_tag;
    iMesh_getTagHandle( func_dmn_domain->getMesh(),
			&func_dmn_tag_name[0],
			&func_dmn_tag,
			&error,
			(int) func_dmn_tag_name.size() );
    assert( iBase_SUCCESS == error );

    func_dmn_field->attachToTagData( func_dmn_tag, error );
    assert( iBase_SUCCESS == error );

    // Set up the func_rng mesh.
    iMesh_Instance func_rng_mesh;
    iMesh_newMesh("", &func_rng_mesh, &error, 0);
    assert( iBase_SUCCESS == error );

    iBase_EntitySetHandle func_rng_root_set;
    iMesh_getRootSet( func_rng_mesh, &func_rng_root_set, &error );
    assert( iBase_SUCCESS == error );

    std::string func_rng_mesh_filename = "tagged_delaunay_flat_surf.vtk";
    iMesh_load( func_rng_mesh, 
		func_rng_root_set, 
		&func_rng_mesh_filename[0], 
		"", 
		&error,
		(int) func_rng_mesh_filename.size(),
		0 );
    assert( iBase_SUCCESS == error );

    // Set up the func_rng mesh field for function values.
    Teuchos::RCP<FOOD::Domain> func_rng_domain = Teuchos::rcp(
	new FOOD::Domain(func_rng_mesh, func_rng_root_set, FOOD::FOOD_MBCN) );

    Teuchos::RCP< FOOD::DFuncKernel<double> > func_rng_dfunckernel =
	Teuchos::rcp( new FOOD::DFuncKernel<double>( iBase_FACE,
						     iMesh_TRIANGLE,
						     iBase_VERTEX,
						     iMesh_POINT,
						     FOOD::FOOD_CARTESIAN,
						     FOOD::FOOD_FEM,
						     FOOD::FOOD_HGRAD,
						     FOOD::FOOD_SHARDSCN,
						     1 ) );

    Teuchos::RCP< FOOD::TensorField<double> > func_rng_field = Teuchos::rcp(
	new FOOD::TensorField<double>( getDefaultComm<int>(),
				       func_rng_domain,
				       func_rng_dfunckernel,
				       FOOD::FOOD_CARTESIAN, 
				       tensor_template,
				       Teuchos::null,
				       "FUNC_RNG_FIELD" ) );

    std::string func_rng_tag_name = "range";
    iBase_TagHandle func_rng_tag;
    iMesh_getTagHandle( func_rng_domain->getMesh(),
			&func_rng_tag_name[0],
			&func_rng_tag,
			&error,
			(int) func_rng_tag_name.size() );
    assert( iBase_SUCCESS == error );

    func_rng_field->attachToTagData( func_rng_tag, error );
    assert( iBase_SUCCESS == error );

    // Setup the gradient field.
    Teuchos::RCP< FOOD::TensorField<double> > func_rng_grad_field = Teuchos::rcp(
	new FOOD::TensorField<double>( getDefaultComm<int>(),
				       func_rng_domain,
				       func_rng_dfunckernel,
				       FOOD::FOOD_CARTESIAN, 
				       grad_tensor_template,
				       Teuchos::null,
				       "FUNC_RNG_GRAD_FIELD" ) );

    std::string func_rng_grad_tag_name = "grad_range";
    iBase_TagHandle func_rng_grad_tag;
    iMesh_getTagHandle( func_rng_domain->getMesh(),
			&func_rng_grad_tag_name[0],
			&func_rng_grad_tag,
			&error,
			(int) func_rng_grad_tag_name.size() );
    assert( iBase_SUCCESS == error );

    func_rng_grad_field->attachToTagData( func_rng_grad_tag, error );
    assert( iBase_SUCCESS == error );

    // Do interpolation.
    FOOD::ConsistentScheme<double> fem_interp_val( func_dmn_field, 
						   func_rng_field );
    fem_interp_val.setup();
    fem_interp_val.transferValueDF();

    FOOD::ConsistentScheme<double> fem_interp_grad( func_dmn_field, 
						    func_rng_grad_field );
    fem_interp_grad.setup();
    fem_interp_grad.transferGradDF();

    // Write the interpolated mesh to file.
    std::string interp_file = "flat_surf_output.vtk";
    iMesh_save( func_rng_domain->getMesh(),
		func_rng_domain->getMeshSet(),
		&interp_file[0],
		"",
		&error,
		(int) interp_file.size(),
		0 );
    assert( iBase_SUCCESS == error );

    } // end rank 0

    return 0;
}