From: geay Date: Fri, 4 Jul 2014 12:55:59 +0000 (+0200) Subject: Some little doc. X-Git-Tag: V7_5_0a1~2^2~21^2 X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=dd942114a9961a8795822c545fe0389be84c8445;p=tools%2Fmedcoupling.git Some little doc. --- diff --git a/src/MEDCoupling/MEDCouplingUMesh.cxx b/src/MEDCoupling/MEDCouplingUMesh.cxx index dc0dcf5b1..0b6f04728 100644 --- a/src/MEDCoupling/MEDCouplingUMesh.cxx +++ b/src/MEDCoupling/MEDCouplingUMesh.cxx @@ -8720,8 +8720,10 @@ std::string MEDCouplingUMesh::getVTKFileExtension() const * The meshes should be in 2D space. In * addition, returns two arrays mapping cells of the result mesh to cells of the input * meshes. - * \param [in] m1 - the first input mesh which is a partitioned object. - * \param [in] m2 - the second input mesh which is a partition tool. + * \param [in] m1 - the first input mesh which is a partitioned object. The mesh must be so that each point in the space covered by \a m1 + * must be covered exactly by one entity, \b no \b more. If it is not the case, some tools are available to heal the mesh (conformize2D, mergeNodes) + * \param [in] m2 - the second input mesh which is a partition tool. The mesh must be so that each point in the space covered by \a m2 + * must be covered exactly by one entity, \b no \b more. If it is not the case, some tools are available to heal the mesh (conformize2D, mergeNodes) * \param [in] eps - precision used to detect coincident mesh entities. * \param [out] cellNb1 - a new instance of DataArrayInt holding for each result * cell an id of the cell of \a m1 it comes from. The caller is to delete @@ -8737,6 +8739,8 @@ std::string MEDCouplingUMesh::getVTKFileExtension() const * \throw If the coordinates array is not set in any of the meshes. * \throw If the nodal connectivity of cells is not defined in any of the meshes. * \throw If any of the meshes is not a 2D mesh in 2D space. + * + * \sa conformize2D, mergeNodes */ MEDCouplingUMesh *MEDCouplingUMesh::Intersect2DMeshes(const MEDCouplingUMesh *m1, const MEDCouplingUMesh *m2, double eps, DataArrayInt *&cellNb1, DataArrayInt *&cellNb2) @@ -8817,8 +8821,6 @@ bool IsColinearOfACellOf(const std::vector< std::vector >& intersectEdge1, return false; } -/// @endcond - MEDCouplingUMesh *BuildMesh1DCutFrom(const MEDCouplingUMesh *mesh1D, const std::vector< std::vector >& intersectEdge2, const DataArrayDouble *coords1, const std::vector& addCoo, const std::map& mergedNodes, const std::vector< std::vector >& colinear2, const std::vector< std::vector >& intersectEdge1, MEDCouplingAutoRefCountObjectPtr& idsInRetColinear, MEDCouplingAutoRefCountObjectPtr& idsInMesh1DForIdsInRetColinear) { @@ -9008,6 +9010,8 @@ void BuildMesh2DCutInternal2(const MEDCouplingUMesh *splitMesh1D, const std::vec } } +/// @endcond + /// @cond INTERNAL struct CellInfo @@ -9333,19 +9337,24 @@ MEDCouplingUMesh *BuildMesh2DCutFrom(double eps, int cellIdInMesh2D, const MEDCo /*! * Partitions the first given 2D mesh using the second given 1D mesh as a tool. - * Thus the final result contains all nodes from m1 plus new nodes. However it doesn't necessarily contains - * all nodes from \a mesh1D. + * Thus the final result contains the aggregation of nodes of \a mesh2D, then nodes of \a mesh1D, then new nodes that are the result of the intersection + * and finaly, in case of quadratic polygon the centers of edges new nodes. * The meshes should be in 2D space. In addition, returns two arrays mapping cells of the resulting mesh to cells of the input. * - * \param [in] mesh2D - the 2D mesh (spacedim=meshdim=2) to be intersected using \a mesh1D tool. - * \param [in] mesh1D - the 1D mesh (spacedim=2 meshdim=1) the is the tool that will be used to intersect \a mesh2D. + * \param [in] mesh2D - the 2D mesh (spacedim=meshdim=2) to be intersected using \a mesh1D tool. The mesh must be so that each point in the space covered by \a mesh2D + * must be covered exactly by one entity, \b no \b more. If it is not the case, some tools are available to heal the mesh (conformize2D, mergeNodes) + * \param [in] mesh1D - the 1D mesh (spacedim=2 meshdim=1) the is the tool that will be used to intersect \a mesh2D. \a mesh1D must be ordered consecutively. If it is not the case + * you can invoke orderConsecutiveCells1D on \a mesh1D. * \param [in] eps - precision used to perform intersections and localization operations. * \param [out] splitMesh2D - the result of the split of \a mesh2D mesh. * \param [out] splitMesh1D - the result of the split of \a mesh1D mesh. * \param [out] cellIdInMesh2D - the array that gives for each cell id \a i in \a splitMesh2D the id in \a mesh2D it comes from. * So this array has a number of tuples equal to the number of cells of \a splitMesh2D and a number of component equal to 1. - * \param [out] cellIdInMesh1D - the array that gives for each cell id \a i in \a splitMesh1D the 1 or 2 id(s) in \a splitMesh2D that \a i shares. + * \param [out] cellIdInMesh1D - the array of pair that gives for each cell id \a i in \a splitMesh1D the cell in \a splitMesh2D on the left for the 1st component + * and the cell in \a splitMesh2D on the right for the 2nt component. -1 means no cell. * So this array has a number of tuples equal to the number of cells of \a splitMesh1D and a number of components equal to 2. + * + * \sa Intersect2DMeshes, orderConsecutiveCells1D, conformize2D, mergeNodes */ void MEDCouplingUMesh::Intersect2DMeshWith1DLine(const MEDCouplingUMesh *mesh2D, const MEDCouplingUMesh *mesh1D, double eps, MEDCouplingUMesh *&splitMesh2D, MEDCouplingUMesh *&splitMesh1D, DataArrayInt *&cellIdInMesh2D, DataArrayInt *&cellIdInMesh1D) { @@ -9388,7 +9397,7 @@ void MEDCouplingUMesh::Intersect2DMeshWith1DLine(const MEDCouplingUMesh *mesh2D, std::vector< std::vector > intersectEdge2; BuildIntersectEdges(m1Desc,mesh1D,addCoo,subDiv2,intersectEdge2); subDiv2.clear(); - // + // Step 3: compute splitMesh1D MEDCouplingAutoRefCountObjectPtr idsInRet1Colinear,idsInDescMesh2DForIdsInRetColinear; MEDCouplingAutoRefCountObjectPtr ret2(DataArrayInt::New()); ret2->alloc(0,1); MEDCouplingAutoRefCountObjectPtr ret1(BuildMesh1DCutFrom(mesh1D,intersectEdge2,mesh2D->getCoords(),addCoo,mergedNodes,colinear2,intersectEdge1, @@ -9423,8 +9432,9 @@ void MEDCouplingUMesh::Intersect2DMeshWith1DLine(const MEDCouplingUMesh *mesh2D, if((DataArrayInt *)out0s) untouchedCells=untouchedCells->buildSubstraction(out0s);//if some edges in ret1 are colinear to descending mesh of mesh2D remove cells from untouched one std::vector< MEDCouplingAutoRefCountObjectPtr > outMesh2DSplit; + // OK all is ready to insert in ret2 mesh if(!untouchedCells->empty()) - { + {// the most easy part, cells in mesh2D not impacted at all outMesh2DSplit.push_back(static_cast(mesh2D->buildPartOfMySelf(untouchedCells->begin(),untouchedCells->end()))); outMesh2DSplit.back()->setCoords(ret1->getCoords()); ret2->pushBackValsSilent(untouchedCells->begin(),untouchedCells->end());