// by theAngle by theNbSteps
/*!
- * Auxilary flag for advanced extrusion.
+ * Flags of extrusion.
* BOUNDARY: create or not boundary for result of extrusion
* SEW: try to use existing nodes or create new nodes in any case
+ * GROUPS: to create groups
+ * BY_AVG_NORMAL: step size is measured along average normal to elements,
+ * else step size is measured along average normal of any element
+ * USE_INPUT_ELEMS_ONLY: to use only input elements to compute extrusion direction
+ * for ExtrusionByNormal()
*/
enum ExtrusionFlags {
EXTRUSION_FLAG_BOUNDARY = 0x01,
- EXTRUSION_FLAG_SEW = 0x02
+ EXTRUSION_FLAG_SEW = 0x02,
+ EXTRUSION_FLAG_GROUPS = 0x04,
+ EXTRUSION_FLAG_BY_AVG_NORMAL = 0x08,
+ EXTRUSION_FLAG_USE_INPUT_ELEMS_ONLY = 0x10
};
-
+
/*!
- * special structure for control of extrusion functionality
+ * Generator of nodes for extrusion functionality
*/
- struct ExtrusParam {
- gp_Dir myDir; // direction of extrusion
+ class SMESH_EXPORT ExtrusParam {
+ gp_Dir myDir; // direction of extrusion
Handle(TColStd_HSequenceOfReal) mySteps; // magnitudes for each step
- SMESH_SequenceOfNode myNodes; // nodes for using in sewing
+ SMESH_SequenceOfNode myNodes; // nodes for using in sewing
+ int myFlags; // see ExtrusionFlags
+ double myTolerance; // tolerance for sewing nodes
+ const TIDSortedElemSet* myElemsToUse; // elements to use for extrusion by normal
+
+ int (ExtrusParam::*myMakeNodesFun)(SMESHDS_Mesh* mesh,
+ const SMDS_MeshNode* srcNode,
+ std::list<const SMDS_MeshNode*> & newNodes,
+ const bool makeMediumNodes);
+
+ public:
+ ExtrusParam( const gp_Vec& theStep,
+ const int theNbSteps,
+ const int theFlags = 0,
+ const double theTolerance = 1e-6);
+ ExtrusParam( const gp_Dir& theDir,
+ Handle(TColStd_HSequenceOfReal) theSteps,
+ const int theFlags = 0,
+ const double theTolerance = 1e-6);
+ ExtrusParam( const double theStep,
+ const int theNbSteps,
+ const int theFlags,
+ const int theDim); // for extrusion by normal
+
+ SMESH_SequenceOfNode& ChangeNodes() { return myNodes; }
+ int& Flags() { return myFlags; }
+ bool ToMakeBoundary() const { return myFlags & EXTRUSION_FLAG_BOUNDARY; }
+ bool ToMakeGroups() const { return myFlags & EXTRUSION_FLAG_GROUPS; }
+ bool ToUseInpElemsOnly() const { return myFlags & EXTRUSION_FLAG_USE_INPUT_ELEMS_ONLY; }
+ int NbSteps() const { return mySteps->Length(); }
+
+ // stores elements to use for extrusion by normal, depending on
+ // state of EXTRUSION_FLAG_USE_INPUT_ELEMS_ONLY flag
+ void SetElementsToUse( const TIDSortedElemSet& elems );
+
+ // creates nodes and returns number of nodes added in \a newNodes
+ int MakeNodes( SMESHDS_Mesh* mesh,
+ const SMDS_MeshNode* srcNode,
+ std::list<const SMDS_MeshNode*> & newNodes,
+ const bool makeMediumNodes)
+ {
+ return (this->*myMakeNodesFun)( mesh, srcNode, newNodes, makeMediumNodes );
+ }
+ private:
+
+ int makeNodesByDir( SMESHDS_Mesh* mesh,
+ const SMDS_MeshNode* srcNode,
+ std::list<const SMDS_MeshNode*> & newNodes,
+ const bool makeMediumNodes);
+ int makeNodesByDirAndSew( SMESHDS_Mesh* mesh,
+ const SMDS_MeshNode* srcNode,
+ std::list<const SMDS_MeshNode*> & newNodes,
+ const bool makeMediumNodes);
+ int makeNodesByNormal2D( SMESHDS_Mesh* mesh,
+ const SMDS_MeshNode* srcNode,
+ std::list<const SMDS_MeshNode*> & newNodes,
+ const bool makeMediumNodes);
+ int makeNodesByNormal1D( SMESHDS_Mesh* mesh,
+ const SMDS_MeshNode* srcNode,
+ std::list<const SMDS_MeshNode*> & newNodes,
+ const bool makeMediumNodes);
+ // step iteration
+ void beginStepIter( bool withMediumNodes );
+ bool moreSteps();
+ double nextStep();
+ std::vector< double > myCurSteps;
+ bool myWithMediumNodes;
+ int myNextStep;
};
- /*!
- * Create new node in the mesh with given coordinates
- * (auxiliary for advanced extrusion)
- */
- const SMDS_MeshNode* CreateNode(const double x,
- const double y,
- const double z,
- const double tolnode,
- SMESH_SequenceOfNode& aNodes);
-
/*!
* Generate new elements by extrusion of theElements
* It is a method used in .idl file. All functionality
const gp_Vec& theStep,
const int theNbSteps,
TTElemOfElemListMap& newElemsMap,
- const bool theMakeGroups,
- const int theFlags = EXTRUSION_FLAG_BOUNDARY,
+ const int theFlags,
const double theTolerance = 1.e-6);
/*!
*/
PGroupIDs ExtrusionSweep (TIDSortedElemSet & theElems,
ExtrusParam& theParams,
- TTElemOfElemListMap& newElemsMap,
- const bool theMakeGroups,
- const int theFlags,
- const double theTolerance);
+ TTElemOfElemListMap& newElemsMap);
// Generate new elements by extrusion of theElements
std::map< const SMDS_MeshNode*, const SMDS_MeshNode* >& theNodeNodeMap,
const bool theIsDoubleElem );
+ void copyPosition( const SMDS_MeshNode* from,
+ const SMDS_MeshNode* to );
+
private:
SMESH_Mesh * myMesh;
