-void MEDCouplingPointSet::Rotate3DAlg(const double *center, const double *vect, double angle, int nbNodes, double *coords)
-{
- if(!center || !vect)
- throw INTERP_KERNEL::Exception("MEDCouplingPointSet::Rotate3DAlg : null vector in input !");
- double sina=sin(angle);
- double cosa=cos(angle);
- double vectorNorm[3];
- double matrix[9];
- double matrixTmp[9];
- double norm=sqrt(vect[0]*vect[0]+vect[1]*vect[1]+vect[2]*vect[2]);
- if(norm<std::numeric_limits<double>::min())
- throw INTERP_KERNEL::Exception("MEDCouplingPointSet::Rotate3DAlg : magnitude of input vector is too close of 0. !");
- std::transform(vect,vect+3,vectorNorm,std::bind2nd(std::multiplies<double>(),1/norm));
- //rotation matrix computation
- matrix[0]=cosa; matrix[1]=0.; matrix[2]=0.; matrix[3]=0.; matrix[4]=cosa; matrix[5]=0.; matrix[6]=0.; matrix[7]=0.; matrix[8]=cosa;
- matrixTmp[0]=vectorNorm[0]*vectorNorm[0]; matrixTmp[1]=vectorNorm[0]*vectorNorm[1]; matrixTmp[2]=vectorNorm[0]*vectorNorm[2];
- matrixTmp[3]=vectorNorm[1]*vectorNorm[0]; matrixTmp[4]=vectorNorm[1]*vectorNorm[1]; matrixTmp[5]=vectorNorm[1]*vectorNorm[2];
- matrixTmp[6]=vectorNorm[2]*vectorNorm[0]; matrixTmp[7]=vectorNorm[2]*vectorNorm[1]; matrixTmp[8]=vectorNorm[2]*vectorNorm[2];
- std::transform(matrixTmp,matrixTmp+9,matrixTmp,std::bind2nd(std::multiplies<double>(),1-cosa));
- std::transform(matrix,matrix+9,matrixTmp,matrix,std::plus<double>());
- matrixTmp[0]=0.; matrixTmp[1]=-vectorNorm[2]; matrixTmp[2]=vectorNorm[1];
- matrixTmp[3]=vectorNorm[2]; matrixTmp[4]=0.; matrixTmp[5]=-vectorNorm[0];
- matrixTmp[6]=-vectorNorm[1]; matrixTmp[7]=vectorNorm[0]; matrixTmp[8]=0.;
- std::transform(matrixTmp,matrixTmp+9,matrixTmp,std::bind2nd(std::multiplies<double>(),sina));
- std::transform(matrix,matrix+9,matrixTmp,matrix,std::plus<double>());
- //rotation matrix computed.
- double tmp[3];
- for(int i=0; i<nbNodes; i++)
- {
- std::transform(coords+i*3,coords+(i+1)*3,center,tmp,std::minus<double>());
- coords[i*3]=matrix[0]*tmp[0]+matrix[1]*tmp[1]+matrix[2]*tmp[2]+center[0];
- coords[i*3+1]=matrix[3]*tmp[0]+matrix[4]*tmp[1]+matrix[5]*tmp[2]+center[1];
- coords[i*3+2]=matrix[6]*tmp[0]+matrix[7]*tmp[1]+matrix[8]*tmp[2]+center[2];
- }
+DataArrayInt *MEDCouplingPointSet::ComputeNbOfInteractionsWithSrcCells(const MEDCouplingPointSet *srcMesh, const MEDCouplingPointSet *trgMesh, double eps)
+{
+ if(!srcMesh || !trgMesh)
+ throw INTERP_KERNEL::Exception("MEDCouplingPointSet::ComputeNbOfInteractionsWithSrcCells : the input meshes must be not NULL !");
+ MCAuto<DataArrayDouble> sbbox(srcMesh->getBoundingBoxForBBTree(eps)),tbbox(trgMesh->getBoundingBoxForBBTree(eps));
+ return tbbox->computeNbOfInteractionsWith(sbbox,eps);