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0020128: EDF SMESH 926 : Quadratic conversion of BLSURF mesh

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/*!
+   * \brief Move medium nodes of faces and volumes to fix distorted elements
+   * \param volumeOnly - fix nodes on faces or not if the shape is solid
+   */
+  void FixQuadraticElements(bool volumeOnly=true);
This commit is contained in:
eap 2009-06-18 12:44:50 +00:00
parent 3232c8723f
commit 8735b17bdc
2 changed files with 1463 additions and 179 deletions
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1583
src/SMESH/SMESH_MesherHelper.cxx
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59
src/SMESH/SMESH_MesherHelper.hxx
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@ -32,15 +32,15 @@
#include <SMDS_MeshNode.hxx>
#include <SMDS_QuadraticEdge.hxx>
#include <Geom_Surface.hxx>
#include <TopoDS_Face.hxx>
#include <TopoDS_Shape.hxx>
#include <gp_Pnt2d.hxx>
#include <map>
typedef std::pair<const SMDS_MeshNode*, const SMDS_MeshNode*> NLink;
typedef std::map<NLink, const SMDS_MeshNode*> NLinkNodeMap;
typedef std::map<NLink, const SMDS_MeshNode*>::iterator ItNLinkNode;
typedef std::map<SMESH_TLink, const SMDS_MeshNode*> TLinkNodeMap;
typedef std::map<SMESH_TLink, const SMDS_MeshNode*>::iterator ItTLinkNode;
/*!
* \brief It helps meshers to add elements
@ -91,9 +91,8 @@ public:
* \param meshDS - mesh DS
* \retval TopoDS_Shape - found support shape
*/
static const TopoDS_Shape& GetSubShapeByNode(const SMDS_MeshNode* node,
SMESHDS_Mesh* meshDS)
{ return meshDS->IndexToShape( node->GetPosition()->GetShapeId() ); }
static TopoDS_Shape GetSubShapeByNode(const SMDS_MeshNode* node,
SMESHDS_Mesh* meshDS);
/*!
* \brief Return a valid node index, fixing the given one if necessary
@ -126,7 +125,7 @@ public:
/*!
* Check submesh for given shape: if all elements on this shape are quadratic,
* quadratic elements will be created. Also fill myNLinkNodeMap
* quadratic elements will be created. Also fill myTLinkNodeMap
*/
bool IsQuadraticSubMesh(const TopoDS_Shape& theShape);
/*!
@ -139,6 +138,12 @@ public:
*/
bool GetIsQuadratic() const { return myCreateQuadratic; }
/*!
* \brief Move medium nodes of faces and volumes to fix distorted elements
* \param volumeOnly - fix nodes on geom faces or not if the shape is solid
*/
void FixQuadraticElements(bool volumeOnly=true);
/*!
* \brief To set created elements on the shape set by IsQuadraticSubMesh()
* or the next methods. By defaul elements are set on the shape if
@ -146,6 +151,15 @@ public:
*/
void SetElementsOnShape(bool toSet) { mySetElemOnShape = toSet; }
/*!
* \brief Enable/disable checking of node parameters on shapes while adding elements.
* In case of incorrect parameters mudium node place is computed as the middle
* of two nodes. Default is false.
* NOTE that this flag is reset to "not to check" if check with non-default partameter
* is successful
*/
void SetCheckNodePosition(bool toCheck) { myCheckNodePos = toCheck; }
/*!
* \brief Set shape to make elements on without calling IsQuadraticSubMesh()
*/
@ -236,14 +250,22 @@ public:
* \brief Return U of the given node on the edge
*/
double GetNodeU(const TopoDS_Edge& theEdge,
const SMDS_MeshNode* theNode);
const SMDS_MeshNode* theNode,
bool* check=0);
/*!
* \brief Return node UV on face
* \param inFaceNode - a node of element being created located inside a face
* \param inFaceNode - a node of element being created located inside a face
*/
gp_XY GetNodeUV(const TopoDS_Face& F,
const SMDS_MeshNode* n,
const SMDS_MeshNode* inFaceNode=0) const;
const SMDS_MeshNode* inFaceNode=0,
bool* check=0) const;
/*!
* \brief Return middle UV taking in account surface period
*/
static gp_XY GetMiddleUV(const Handle(Geom_Surface)& surface,
const gp_XY& uv1,
const gp_XY& uv2);
/*!
* \brief Check if inFaceNode argument is necessary for call GetNodeUV(F,..)
* \retval bool - return true if the face is periodic
@ -317,21 +339,21 @@ public:
const SMDS_MeshNode* n2,
const bool force3d);
/*!
* Auxilary function for filling myNLinkNodeMap
* Auxilary function for filling myTLinkNodeMap
*/
void AddNLinkNode(const SMDS_MeshNode* n1,
void AddTLinkNode(const SMDS_MeshNode* n1,
const SMDS_MeshNode* n2,
const SMDS_MeshNode* n12);
/**
* Auxilary function for filling myNLinkNodeMap
* Auxilary function for filling myTLinkNodeMap
*/
void AddNLinkNodeMap(const NLinkNodeMap& aMap)
{ myNLinkNodeMap.insert(aMap.begin(), aMap.end()); }
void AddTLinkNodeMap(const TLinkNodeMap& aMap)
{ myTLinkNodeMap.insert(aMap.begin(), aMap.end()); }
/**
* Returns myNLinkNodeMap
* Returns myTLinkNodeMap
*/
const NLinkNodeMap& GetNLinkNodeMap() const { return myNLinkNodeMap; }
const TLinkNodeMap& GetTLinkNodeMap() const { return myTLinkNodeMap; }
/**
* Check mesh without geometry for: if all elements on this shape are quadratic,
@ -357,7 +379,7 @@ protected:
SMESH_MesherHelper (const SMESH_MesherHelper& theOther) {};
// special map for using during creation of quadratic elements
NLinkNodeMap myNLinkNodeMap;
TLinkNodeMap myTLinkNodeMap;
std::set< int > myDegenShapeIds;
std::set< int > mySeamShapeIds;
@ -371,6 +393,7 @@ protected:
// to create quadratic elements
bool myCreateQuadratic;
bool mySetElemOnShape;
bool myCheckNodePos;
};