{
}
+int Voronizer1D::getDimension() const
+{
+ return 1;
+}
+
int Voronizer2D::getDimension() const
{
return 2;
return MergeVorCells2D(p,eps,true);
}
+/*!
+ * suppress additional sub points on edges
+ */
+MCAuto<MEDCouplingUMesh> SimplifyPolygon(const MEDCouplingUMesh *m, double eps)
+{
+ if(m->getNumberOfCells()!=1)
+ throw INTERP_KERNEL::Exception("SimplifyPolygon : internal error !");
+ const int *conn(m->getNodalConnectivity()->begin()),*conni(m->getNodalConnectivityIndex()->begin());
+ int nbPtsInPolygon(conni[1]-conni[0]-1);
+ const double *coo(m->getCoords()->begin());
+ std::vector<int> resConn;
+ for(int i=0;i<nbPtsInPolygon;i++)
+ {
+ int prev(conn[(i+nbPtsInPolygon-1)%nbPtsInPolygon+1]),current(conn[i%nbPtsInPolygon+1]),zeNext(conn[(i+1)%nbPtsInPolygon+1]);
+ double a[3]={
+ coo[3*prev+0]-coo[3*current+0],
+ coo[3*prev+1]-coo[3*current+1],
+ coo[3*prev+2]-coo[3*current+2],
+ },b[3]={
+ coo[3*current+0]-coo[3*zeNext+0],
+ coo[3*current+1]-coo[3*zeNext+1],
+ coo[3*current+2]-coo[3*zeNext+2],
+ };
+ double c[3]={a[1]*b[2]-a[2]*b[1], a[2]*b[0]-a[0]*b[2], a[0]*b[1]-a[1]*b[0]};
+ if(sqrt(c[0]*c[0]+c[1]*c[1]+c[2]*c[2])>eps)
+ resConn.push_back(current);
+ }
+ MCAuto<MEDCouplingUMesh> ret(MEDCouplingUMesh::New("",2));
+ ret->setCoords(m->getCoords());
+ ret->allocateCells();
+ ret->insertNextCell(INTERP_KERNEL::NORM_POLYGON,resConn.size(),&resConn[0]);
+ return ret;
+}
+
MCAuto<MEDCouplingUMesh> MergeVorCells3D(const std::vector< MCAuto<MEDCouplingUMesh> >& vcs, double eps)
{
std::size_t sz(vcs.size());
tmp2=tmp;
else
tmp2=MergeVorCells2D(tmp,eps,false);
+ tmp2=SimplifyPolygon(tmp2,eps);
const int *cPtr(tmp2->getNodalConnectivity()->begin()),*ciPtr(tmp2->getNodalConnectivityIndex()->begin());
conn.insert(conn.end(),cPtr+1,cPtr+ciPtr[1]);
}
return ret;
}
+MCAuto<MEDCouplingUMesh> MergeVorCells1D(const std::vector< MCAuto<MEDCouplingUMesh> >& vcs, double eps)
+{
+ static const int CONN_SEG2_DFT[2]={0,1};
+ if(vcs.empty())
+ throw INTERP_KERNEL::Exception("MergeVorCells1D : internal error 1 !");
+ if(vcs.size()==1)
+ return vcs[0];
+ if(vcs.size()>2)
+ throw INTERP_KERNEL::Exception("MergeVorCells1D : internal error 2 !");
+ double a0,b0,a1,b1;
+ {
+ const int *connPtr(vcs[0]->getNodalConnectivity()->begin());
+ const double *coordPtr(vcs[0]->getCoords()->begin());
+ a0=coordPtr[connPtr[1]]; b0=coordPtr[connPtr[2]];
+ }
+ {
+ const int *connPtr(vcs[1]->getNodalConnectivity()->begin());
+ const double *coordPtr(vcs[1]->getCoords()->begin());
+ a1=coordPtr[connPtr[1]]; b1=coordPtr[connPtr[2]];
+ }
+ MCAuto<MEDCouplingUMesh> ret(MEDCouplingUMesh::New("",1)); ret->allocateCells(); ret->insertNextCell(INTERP_KERNEL::NORM_SEG2,2,CONN_SEG2_DFT);
+ MCAuto<DataArrayDouble> coo(DataArrayDouble::New()); coo->alloc(2,1); ret->setCoords(coo);
+ if(fabs(b0-a1)<eps)
+ { coo->setIJ(0,0,a0); coo->setIJ(1,0,b1); }
+ else if(fabs(b1-a0)<eps)
+ { coo->setIJ(0,0,b0); coo->setIJ(1,0,a1); }
+ return ret;
+}
+
+MCAuto<MEDCouplingUMesh> MEDCoupling::Voronizer1D::doIt(const MEDCouplingUMesh *m, const DataArrayDouble *points, double eps) const
+{
+ static const int CONN_SEG2_DFT[2]={0,1};
+ if(!m || !points)
+ throw INTERP_KERNEL::Exception("Voronoize1D : null pointer !");
+ m->checkConsistencyLight();
+ points->checkAllocated();
+ if(m->getMeshDimension()!=1 || m->getSpaceDimension()!=1 || points->getNumberOfComponents()!=1)
+ throw INTERP_KERNEL::Exception("Voronoize1D : spacedim must be equal to 1 and meshdim also equal to 1 !");
+ if(m->getNumberOfCells()!=1)
+ throw INTERP_KERNEL::Exception("Voronoize1D : mesh is expected to have only one cell !");
+ int nbPts(points->getNumberOfTuples());
+ if(nbPts<1)
+ throw INTERP_KERNEL::Exception("Voronoize1D : at least one point expected !");
+ std::vector<double> bbox(4);
+ m->getBoundingBox(&bbox[0]);
+ std::vector< MCAuto<MEDCouplingUMesh> > l0(1,MCAuto<MEDCouplingUMesh>(m->deepCopy()));
+ const double *pts(points->begin());
+ for(int i=1;i<nbPts;i++)
+ {
+ MCAuto<MEDCouplingUMesh> vorTess;
+ {
+ std::vector< const MEDCouplingUMesh * > l0Bis(VecAutoToVecOfCstPt(l0));
+ vorTess=MEDCouplingUMesh::MergeUMeshes(l0Bis);
+ }
+ {
+ bool dummy;
+ int newNbNodes;
+ MCAuto<DataArrayInt> dummy3(vorTess->mergeNodes(eps,dummy,newNbNodes));
+ }
+ std::vector<int> polygsToIterOn;
+ const double *pt(pts+i);
+ vorTess->getCellsContainingPoint(pt,eps,polygsToIterOn);
+ if(polygsToIterOn.empty())
+ throw INTERP_KERNEL::Exception("Voronoize1D : a point is outside domain !");
+ if(polygsToIterOn.size()>2)
+ throw INTERP_KERNEL::Exception("Voronoize1D : overlap of points !");
+ std::vector< MCAuto<MEDCouplingUMesh> > newVorCells;
+ for(std::vector<int>::const_iterator it=polygsToIterOn.begin();it!=polygsToIterOn.end();it++)
+ {
+ int poly(*it);
+ //
+ double seed(pts[poly]),zept(*pt);
+ double mid((seed+zept)/2.);
+ //
+ MCAuto<MEDCouplingUMesh> tile(l0[poly]);
+ tile->zipCoords();
+ double a,b;
+ {
+ const int *connPtr(tile->getNodalConnectivity()->begin());
+ const double *coordPtr(tile->getCoords()->begin());
+ a=coordPtr[connPtr[1]]; b=coordPtr[connPtr[2]];
+ }
+ double pol0[2],pol1[2];
+ MCAuto<DataArrayDouble> t0(DataArrayDouble::New()); t0->alloc(3,1); t0->setIJ(0,0,zept); t0->setIJ(1,0,mid); t0->setIJ(2,0,seed);
+ t0->applyLin(1.,-a);
+ if(t0->isMonotonic(true,eps))
+ { pol0[0]=a; pol0[1]=mid; pol1[0]=mid; pol1[1]=b; }
+ else
+ { pol1[0]=a; pol1[1]=mid; pol0[0]=mid; pol0[1]=b; }
+ MCAuto<MEDCouplingUMesh> modifiedCell(MEDCouplingUMesh::New("",1)); modifiedCell->allocateCells();
+ MCAuto<DataArrayDouble> coo1(DataArrayDouble::New()); coo1->alloc(2,1); coo1->setIJ(0,0,pol1[0]); coo1->setIJ(1,0,pol1[1]);
+ modifiedCell->setCoords(coo1); modifiedCell->insertNextCell(INTERP_KERNEL::NORM_SEG2,2,CONN_SEG2_DFT);
+ //
+ MCAuto<MEDCouplingUMesh> newVorCell(MEDCouplingUMesh::New("",1)); newVorCell->allocateCells();
+ MCAuto<DataArrayDouble> coo2(DataArrayDouble::New()); coo2->alloc(2,1); coo2->setIJ(0,0,pol0[0]); coo2->setIJ(1,0,pol0[1]);
+ newVorCell->setCoords(coo2); newVorCell->insertNextCell(INTERP_KERNEL::NORM_SEG2,2,CONN_SEG2_DFT);
+ //
+ l0[poly]=modifiedCell;
+ newVorCells.push_back(newVorCell);
+ }
+ l0.push_back(MergeVorCells1D(newVorCells,eps));
+ }
+ std::vector< const MEDCouplingUMesh * > l0Bis(VecAutoToVecOfCstPt(l0));
+ MCAuto<MEDCouplingUMesh> ret(MEDCouplingUMesh::MergeUMeshes(l0Bis));
+ {
+ bool dummy; int dummy2;
+ MCAuto<DataArrayInt> dummy3(ret->mergeNodes(eps,dummy,dummy2));
+ }
+ return ret;
+}
+
MCAuto<MEDCouplingUMesh> MEDCoupling::Voronizer2D::doIt(const MEDCouplingUMesh *m, const DataArrayDouble *points, double eps) const
{
if(!m || !points)
newCoords=a->getCoords()->selectByTupleId(tmp->begin(),tmp->end());
}
const double *cPtr(newCoords->begin());
- for(int i=0;i<newCoords->getNumberOfTuples();i++,cPtr+=2)
+ for(int j=0;j<newCoords->getNumberOfTuples();j++,cPtr+=2)
{
std::set<int> zeCandidates;
{
vorTess->getCellsContainingPoint(cPtr,eps,zeCandidatesTmp);
zeCandidates.insert(zeCandidatesTmp.begin(),zeCandidatesTmp.end());
}
- std::set<int> tmp,newElementsToDo;
- std::set_difference(zeCandidates.begin(),zeCandidates.end(),elemsDone.begin(),elemsDone.end(),std::inserter(tmp,tmp.begin()));
- std::set_union(elemsToDo.begin(),elemsToDo.end(),tmp.begin(),tmp.end(),std::inserter(newElementsToDo,newElementsToDo.begin()));
+ std::set<int> tmp2,newElementsToDo;
+ std::set_difference(zeCandidates.begin(),zeCandidates.end(),elemsDone.begin(),elemsDone.end(),std::inserter(tmp2,tmp2.begin()));
+ std::set_union(elemsToDo.begin(),elemsToDo.end(),tmp2.begin(),tmp2.end(),std::inserter(newElementsToDo,newElementsToDo.begin()));
elemsToDo=newElementsToDo;
}
newVorCells.push_back(newVorCell);
}
std::vector< const MEDCouplingUMesh * > l0Bis(VecAutoToVecOfCstPt(l0));
MCAuto<MEDCouplingUMesh> ret(MEDCouplingUMesh::MergeUMeshes(l0Bis));
+ {
+ bool dummy; int dummy2;
+ MCAuto<DataArrayInt> dummy3(ret->mergeNodes(eps,dummy,dummy2));
+ }
return ret;
}
return res;
}
-#include <sstream>
-
MCAuto<MEDCouplingUMesh> MEDCoupling::Voronizer3D::doIt(const MEDCouplingUMesh *m, const DataArrayDouble *points, double eps) const
{
+ double eps2(1.-sqrt(eps));// 2nd eps for interpolation. Here the eps is computed to feet cos(eps) ~ 1-eps^2
if(!m || !points)
throw INTERP_KERNEL::Exception("Voronoize3D : null pointer !");
m->checkConsistencyLight();
vorTess->getCellsContainingPoint(pt,eps,polygsToIterOn);
if(polygsToIterOn.size()<1)
throw INTERP_KERNEL::Exception("Voronoize3D : presence of a point outside the given cell !");
- std::set<int> elemsToDo(polygsToIterOn.begin(),polygsToIterOn.end()),elemsDone;
- std::size_t ii(0);
std::vector< MCAuto<MEDCouplingUMesh> > newVorCells;
- MCAuto<DataArrayInt> d(DataArrayInt::New()),dI(DataArrayInt::New()),rd(DataArrayInt::New()),rdI(DataArrayInt::New());
- MCAuto<MEDCouplingUMesh> faces(vorTess->buildDescendingConnectivity(d,dI,rd,rdI));
- //
- while(!elemsToDo.empty())
+ for(int poly=0;poly<vorTess->getNumberOfCells();poly++)
{
- int poly(*elemsToDo.begin()); elemsToDo.erase(elemsToDo.begin()); elemsDone.insert(poly);
const double *seed(pts+3*poly);
MCAuto<MEDCouplingUMesh> tile(l0[poly]);
tile->zipCoords();
newVorCell->zipCoords();
MCAuto<MEDCouplingUMesh> modifiedCell(cells->buildPartOfMySelfSlice(0,1,1,true));
modifiedCell->zipCoords();
- l0[poly]=modifiedCell;
- if(std::find(polygsToIterOn.begin(),polygsToIterOn.end(),poly)!=polygsToIterOn.end())// we iterate on a polyhedron containg the point to add pt -> add cells sharing faces with just computed newVorCell
- {
- MCAuto<MEDCouplingUMesh> faces2;
- {
- MCAuto<DataArrayInt> d2(DataArrayInt::New()),d2I(DataArrayInt::New()),rd2(DataArrayInt::New()),rd2I(DataArrayInt::New());
- faces2=newVorCell->buildDescendingConnectivity(d2,d2I,rd2,rd2I);
- }
- MCAuto<MEDCouplingUMesh> faces3(faces2->buildPartOfMySelfSlice(1,faces2->getNumberOfCells(),1,true));// suppress internal face
- MCAuto<MEDCouplingUMesh> facesOfCurSplitPol(faces->buildPartOfMySelf(d->begin()+dI->getIJ(poly,0),d->begin()+dI->getIJ(poly+1,0),true));
- // intersection between the out faces of newVorCell and the neighbor faces of poly polyhedron -> candidates
- MEDCouplingNormalizedUnstructuredMesh<3,2> source_mesh_wrapper(facesOfCurSplitPol);
- MEDCouplingNormalizedUnstructuredMesh<3,2> target_mesh_wrapper(faces3);
- INTERP_KERNEL::Interpolation3DSurf interpolation;
- interpolation.setMinDotBtwPlane3DSurfIntersect(1.*10000.*eps);
- interpolation.setMaxDistance3DSurfIntersect(eps);
- interpolation.setPrecision(1e-12);
- std::vector<std::map<int,double> > matrix;
- interpolation.interpolateMeshes(source_mesh_wrapper,target_mesh_wrapper,matrix,"P0P0");
- std::set<int> zeCandidates;
- for(std::vector<std::map<int,double> >::const_iterator it2=matrix.begin();it2!=matrix.end();it2++)
- for(std::map<int,double>::const_iterator it3=(*it2).begin();it3!=(*it2).end();it3++)
- {
- int faceIdInVorTess(d->getIJ(dI->getIJ(poly,0)+(*it3).first,0));
- for(const int *it4=rd->begin()+rdI->getIJ(faceIdInVorTess,0);it4!=rd->begin()+rdI->getIJ(faceIdInVorTess+1,0);it4++)
- {
- if(*it4!=poly)
- zeCandidates.insert(*it4);
- }
- }
- std::set<int> tmp,newElementsToDo;
- std::set_difference(zeCandidates.begin(),zeCandidates.end(),elemsDone.begin(),elemsDone.end(),std::inserter(tmp,tmp.begin()));
- std::set_union(elemsToDo.begin(),elemsToDo.end(),tmp.begin(),tmp.end(),std::inserter(newElementsToDo,newElementsToDo.begin()));
- elemsToDo=newElementsToDo;
- }
- //
newVorCells.push_back(newVorCell);
- ii++;
+ l0[poly]=modifiedCell;
}
l0.push_back(MergeVorCells3D(newVorCells,eps));
}
std::vector< const MEDCouplingUMesh * > l0Bis(VecAutoToVecOfCstPt(l0));
MCAuto<MEDCouplingUMesh> ret(MEDCouplingUMesh::MergeUMeshes(l0Bis));
+ {
+ bool dummy; int dummy2;
+ MCAuto<DataArrayInt> dummy3(ret->mergeNodes(eps,dummy,dummy2));
+ }
return ret;
}
