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0019292: EDF 672 SMESH : extend Composite side discretisation to 2D

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/*!
+   * \brief Fill map of node parameter on geometrical edge to node it-self
+   * \param theMesh - The mesh containing nodes
+   * \param theEdge - The geometrical edge of interest
+   * \param theNodes - The resulting map
+   * \param ignoreMediumNodes - to store medium nodes of quadratic elements or not
+   * \retval bool - false if not all parameters are OK
+   */
+  static bool GetSortedNodesOnEdge(const SMESHDS_Mesh*                        theMesh,
+                                   const TopoDS_Edge&                         theEdge,
+                                   const bool                                 ignoreMediumNodes,
+                                   std::map< double, const SMDS_MeshNode* > & theNodes);
This commit is contained in:
eap 2008-12-09 12:42:47 +00:00
parent fbe251bb29
commit 6e01637051
2 changed files with 77 additions and 0 deletions
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64
src/SMESH/SMESH_Algo.cxx
View File

@ -360,6 +360,70 @@ bool SMESH_Algo::GetNodeParamOnEdge(const SMESHDS_Mesh* theMesh,
return theParams.size() > 1;
}
//================================================================================
/*!
* \brief Fill vector of node parameters on geometrical edge, including vertex nodes
* \param theMesh - The mesh containing nodes
* \param theEdge - The geometrical edge of interest
* \param theParams - The resulting vector of sorted node parameters
* \retval bool - false if not all parameters are OK
*/
//================================================================================
bool SMESH_Algo::GetSortedNodesOnEdge(const SMESHDS_Mesh* theMesh,
const TopoDS_Edge& theEdge,
const bool ignoreMediumNodes,
map< double, const SMDS_MeshNode* > & theNodes)
{
theNodes.clear();
if ( !theMesh || theEdge.IsNull() )
return false;
SMESHDS_SubMesh * eSubMesh = theMesh->MeshElements( theEdge );
if ( !eSubMesh || !eSubMesh->GetElements()->more() )
return false; // edge is not meshed
int nbNodes = 0;
set < double > paramSet;
if ( eSubMesh )
{
// loop on nodes of an edge: sort them by param on edge
SMDS_NodeIteratorPtr nIt = eSubMesh->GetNodes();
while ( nIt->more() )
{
const SMDS_MeshNode* node = nIt->next();
if ( ignoreMediumNodes ) {
SMDS_ElemIteratorPtr elemIt = node->GetInverseElementIterator();
if ( elemIt->more() && elemIt->next()->IsMediumNode( node ))
continue;
}
const SMDS_PositionPtr& pos = node->GetPosition();
if ( pos->GetTypeOfPosition() != SMDS_TOP_EDGE )
return false;
const SMDS_EdgePosition* epos =
static_cast<const SMDS_EdgePosition*>(node->GetPosition().get());
theNodes.insert( make_pair( epos->GetUParameter(), node ));
++nbNodes;
}
}
// add vertex nodes
TopoDS_Vertex v1, v2;
TopExp::Vertices(theEdge, v1, v2);
const SMDS_MeshNode* n1 = VertexNode( v1, (SMESHDS_Mesh*) theMesh );
const SMDS_MeshNode* n2 = VertexNode( v2, (SMESHDS_Mesh*) theMesh );
Standard_Real f, l;
BRep_Tool::Range(theEdge, f, l);
if ( v1.Orientation() != TopAbs_FORWARD )
std::swap( f, l );
if ( n1 && ++nbNodes )
theNodes.insert( make_pair( f, n1 ));
if ( n2 && ++nbNodes )
theNodes.insert( make_pair( l, n2 ));
return theNodes.size() == nbNodes;
}
//================================================================================
/*!
* \brief Make filter recognize only compatible hypotheses

13
src/SMESH/SMESH_Algo.hxx
View File

@ -42,6 +42,7 @@
#include <string>
#include <vector>
#include <list>
#include <map>
class SMESH_Gen;
class SMESH_Mesh;
@ -242,6 +243,18 @@ public:
static bool GetNodeParamOnEdge(const SMESHDS_Mesh* theMesh,
const TopoDS_Edge& theEdge,
std::vector< double > & theParams);
/*!
* \brief Fill map of node parameter on geometrical edge to node it-self
* \param theMesh - The mesh containing nodes
* \param theEdge - The geometrical edge of interest
* \param theNodes - The resulting map
* \param ignoreMediumNodes - to store medium nodes of quadratic elements or not
* \retval bool - false if not all parameters are OK
*/
static bool GetSortedNodesOnEdge(const SMESHDS_Mesh* theMesh,
const TopoDS_Edge& theEdge,
const bool ignoreMediumNodes,
std::map< double, const SMDS_MeshNode* > & theNodes);
/*!
* \brief Find out elements orientation on a geometrical face
* \param theFace - The face correctly oriented in the shape being meshed