#include "SMESH_SMESH.hxx"
#include "SMESH_Hypothesis.hxx"
+#include "SMESH_ComputeError.hxx"
+#include "SMESH_Comment.hxx"
#include <TopoDS_Shape.hxx>
#include <TopoDS_Edge.hxx>
-#include <gp_XY.hxx>
+#include <GeomAbs_Shape.hxx>
#include <string>
#include <vector>
#include <list>
-#include <map>
class SMESH_Gen;
class SMESH_Mesh;
class SMESH_HypoFilter;
+class TopoDS_Vertex;
class TopoDS_Face;
class TopoDS_Shape;
class SMESHDS_Mesh;
class SMDS_MeshNode;
class SMESH_subMesh;
+class SMESH_MesherHelper;
+
class SMESH_EXPORT SMESH_Algo:public SMESH_Hypothesis
{
* \param aMesh - the mesh
* \param aShape - the shape
* \retval bool - is a success
+ *
+ * Algorithms that !NeedDescretBoundary() || !OnlyUnaryInput() are
+ * to set SMESH_ComputeError returned by SMESH_submesh::GetComputeError()
+ * to report problematic subshapes
*/
virtual bool Compute(SMESH_Mesh & aMesh, const TopoDS_Shape & aShape) = 0;
+ /*!
+ * \brief Computes mesh without geometry
+ * \param aMesh - the mesh
+ * \param aHelper - helper that must be used for adding elements to \aaMesh
+ * \retval bool - is a success
+ *
+ * The method is called if ( !aMesh->HasShapeToMesh() )
+ */
+ virtual bool Compute(SMESH_Mesh & aMesh, SMESH_MesherHelper* aHelper);
+
/*!
* \brief Returns a list of compatible hypotheses used to mesh a shape
* \param aMesh - the mesh
const bool ignoreAuxiliary) const;
/*!
* \brief Initialize my parameter values by the mesh built on the geometry
- * \param theMesh - the built mesh
- * \param theShape - the geometry of interest
- * \retval bool - true if parameter values have been successfully defined
*
* Just return false as the algorithm does not hold parameters values
*/
virtual bool SetParametersByMesh(const SMESH_Mesh* theMesh,
const TopoDS_Shape& theShape);
-
+ /*!
+ * \brief return compute error
+ */
+ SMESH_ComputeErrorPtr GetComputeError() const;
+ /*!
+ * \brief initialize compute error
+ */
+ void InitComputeError();
public:
// ==================================================================
bool NeedDescretBoundary() const { return _requireDescretBoundary; }
// 3 - is a Dim-1 mesh prerequisite
+ bool NeedShape() const { return _requireShape; }
+ // 4 - is shape existance required
+
public:
// ==================================================================
// Methods to track non hierarchical dependencies between submeshes
*/
virtual void SetEventListener(SMESH_subMesh* subMesh);
+ /*!
+ * \brief Allow algo to do something after persistent restoration
+ * \param subMesh - restored submesh
+ *
+ * This method is called only if a submesh has HYP_OK algo_state.
+ */
+ virtual void SubmeshRestored(SMESH_subMesh* subMesh);
+
public:
// ==================================================================
// Common algo utilities
*/
static double EdgeLength(const TopoDS_Edge & E);
+ /*!
+ * \brief Return continuity of two edges
+ * \param E1 - the 1st edge
+ * \param E2 - the 2nd edge
+ * \retval GeomAbs_Shape - regularity at the junction between E1 and E2
+ */
+ static GeomAbs_Shape Continuity(const TopoDS_Edge & E1, const TopoDS_Edge & E2);
+
+ /*!
+ * \brief Return true if an edge can be considered as a continuation of another
+ */
+ static bool IsContinuous(const TopoDS_Edge & E1, const TopoDS_Edge & E2) {
+ return ( Continuity( E1, E2 ) >= GeomAbs_G1 );
+ }
+
+ /*!
+ * \brief Return the node built on a vertex
+ * \param V - the vertex
+ * \param meshDS - mesh
+ * \retval const SMDS_MeshNode* - found node or NULL
+ */
+ static const SMDS_MeshNode* VertexNode(const TopoDS_Vertex& V,
+ SMESHDS_Mesh* meshDS);
protected:
- bool _onlyUnaryInput;
- bool _requireDescretBoundary;
- std::vector<std::string> _compatibleHypothesis;
+
+ /*!
+ * \brief store error and comment and then return ( error == COMPERR_OK )
+ */
+ bool error(int error, const SMESH_Comment& comment = "");
+ /*!
+ * \brief store COMPERR_ALGO_FAILED error and comment and then return false
+ */
+ bool error(const SMESH_Comment& comment = "")
+ { return error(COMPERR_ALGO_FAILED, comment); }
+ /*!
+ * \brief store error and return error->IsOK()
+ */
+ bool error(SMESH_ComputeErrorPtr error);
+
+protected:
+
+ std::vector<std::string> _compatibleHypothesis;
std::list<const SMESHDS_Hypothesis *> _appliedHypList;
std::list<const SMESHDS_Hypothesis *> _usedHypList;
- // quadratic mesh creation required
+ bool _onlyUnaryInput;
+ bool _requireDescretBoundary;
+ bool _requireShape;
+
+ // quadratic mesh creation required,
+ // is usually set trough SMESH_MesherHelper::IsQuadraticSubMesh()
bool _quadraticMesh;
+
+ int _error; //!< SMESH_ComputeErrorName or anything algo specific
+ std::string _comment; //!< any text explaining what is wrong in Compute()
};
#endif