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Add access to subshape by shape ID

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This commit is contained in:
eap 2006-05-06 06:19:01 +00:00
parent 3b19e7ce9f
commit a2797078a4
2 changed files with 82 additions and 7 deletions
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50
src/SMESH/SMESH_MesherHelper.cxx
View File

@ -107,11 +107,36 @@ bool SMESH_MesherHelper::IsQuadraticSubMesh(const TopoDS_Shape& aSh)
*/
//================================================================================
void SMESH_MesherHelper::SetSubShape(const int aShID)
{
if ( aShID == myShapeID )
return;
if ( aShID > 1 )
SetSubShape( GetMesh()->GetMeshDS()->IndexToShape( aShID ));
else
SetSubShape( TopoDS_Shape() );
}
//================================================================================
/*!
* \brief Set geomerty to make elements on
* \param aSh - geomertic shape
*/
//================================================================================
void SMESH_MesherHelper::SetSubShape(const TopoDS_Shape& aSh)
{
SMESHDS_Mesh* meshDS = GetMesh()->GetMeshDS();
if ( !myShape.IsNull() && !aSh.IsNull() && myShape.IsSame( aSh ))
return;
myShape = aSh;
mySeamShapeIds.clear();
if ( myShape.IsNull() ) {
myShapeID = -1;
return;
}
SMESHDS_Mesh* meshDS = GetMesh()->GetMeshDS();
myShapeID = meshDS->ShapeToIndex(aSh);
// treatment of periodic faces
@ -151,6 +176,27 @@ void SMESH_MesherHelper::SetSubShape(const TopoDS_Shape& aSh)
}
}
//================================================================================
/*!
* \brief Check if inFaceNode argument is necessary for call GetNodeUV(F,..)
* \param F - the face
* \retval bool - return true if the face is periodic
*/
//================================================================================
bool SMESH_MesherHelper::GetNodeUVneedInFaceNode(const TopoDS_Face& F) const
{
if ( F.IsNull() ) return !mySeamShapeIds.empty();
if ( !F.IsNull() && !myShape.IsNull() && myShape.IsSame( F ))
return !mySeamShapeIds.empty();
Handle(Geom_Surface) aSurface = BRep_Tool::Surface( F );
if ( !aSurface.IsNull() )
return ( aSurface->IsUPeriodic() || aSurface->IsVPeriodic() );
return false;
}
//=======================================================================
//function : IsMedium
@ -206,7 +252,7 @@ gp_Pnt2d SMESH_MesherHelper::GetUVOnSeam( const gp_Pnt2d& uv1, const gp_Pnt2d& u
* \brief Return node UV on face
* \param F - the face
* \param n - the node
* \param n2 - a medium node will be placed between n and n2
* \param n2 - a node of element being created located inside a face
* \retval gp_XY - resulting UV
*
* Auxilary function called form GetMediumNode()

39
src/SMESH/SMESH_MesherHelper.hxx
View File

@ -55,7 +55,7 @@ class SMESH_MesherHelper
/// Empty constructor
SMESH_MesherHelper(SMESH_Mesh& theMesh)
{ myMesh=(void *)&theMesh; myCreateQuadratic = false; }
{ myMesh=(void *)&theMesh; myCreateQuadratic = false; myShapeID=-1;}
SMESH_Mesh* GetMesh() const
{ return (SMESH_Mesh*)myMesh; }
@ -106,14 +106,24 @@ class SMESH_MesherHelper
* \brief Return node UV on face
* \param F - the face
* \param n - the node
* \param n2 - a medium node will be placed between n and n2
* \param inFaceNode - a node of element being created located inside a face
* \retval gp_XY - resulting UV
*
* Auxilary function called form GetMediumNode()
*/
gp_XY GetNodeUV(const TopoDS_Face& F,
const SMDS_MeshNode* n,
const SMDS_MeshNode* n2=0);
const SMDS_MeshNode* inFaceNode=0);
/*!
* \brief Check if inFaceNode argument is necessary for call GetNodeUV(F,..)
* \param F - the face
* \retval bool - return true if the face is periodic
*
* if F is Null, answer about subshape set through IsQuadraticSubMesh() or
* SetSubShape()
*/
bool GetNodeUVneedInFaceNode(const TopoDS_Face& F = TopoDS_Face()) const;
/*!
* \brief Return U on edge
@ -198,11 +208,30 @@ class SMESH_MesherHelper
bool force3d = true);
void SetKeyIsQuadratic(const bool theKey)
{myCreateQuadratic = theKey;};
/*!
* \brief Set order of elements to create
* \param theBuildQuadratic - to build quadratic or not
*
* To be used for quadratic elements creation without preceding
* IsQuadraticSubMesh() or AddQuadraticEdge() call
*/
void SetKeyIsQuadratic(const bool theBuildQuadratic)
{ myCreateQuadratic = theBuildQuadratic; }
/*!
* \brief Set shape to make elements on
* \param subShape, subShapeID - shape or its ID (==SMESHDS_Mesh::ShapeToIndex(shape))
*/
void SetSubShape(const int subShapeID);
void SetSubShape(const TopoDS_Shape& subShape);
/*!
* \brief Return shape or its ID, on which created elements are added
* \retval TopoDS_Shape, int - shape or its ID
*/
int GetSubShapeID() { return myShapeID; }
TopoDS_Shape GetSubShape() { return myShape; }
protected:
/*!