// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
-// See http://www.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
//
//
#ifndef _SMESH_NUMBEROFSEGMENTS_HXX_
#define _SMESH_NUMBEROFSEGMENTS_HXX_
+#include "SMESH_StdMeshers.hxx"
+
#include "SMESH_Hypothesis.hxx"
#include "Utils_SALOME_Exception.hxx"
+#include <vector>
-class StdMeshers_NumberOfSegments:
+/*!
+ * \brief This class represents hypothesis for 1d algorithm
+ *
+ * It provides parameters for subdivision an edge by various
+ * distribution types, considering the given number of resulting segments
+ */
+class STDMESHERS_EXPORT StdMeshers_NumberOfSegments:
public SMESH_Hypothesis
{
public:
StdMeshers_NumberOfSegments(int hypId, int studyId, SMESH_Gen* gen);
virtual ~StdMeshers_NumberOfSegments();
+ // Builds point distribution according to passed function
+ const std::vector<double>& BuildDistributionExpr( const char*, int, int ) throw ( SALOME_Exception );
+ const std::vector<double>& BuildDistributionTab( const std::vector<double>&, int, int ) throw ( SALOME_Exception );
+
+ /*!
+ * \brief Set the number of segments
+ * \param segmentsNumber - must be greater than zero
+ */
void SetNumberOfSegments(int segmentsNumber)
throw (SALOME_Exception);
+ /*!
+ * \brief Get the number of segments
+ */
int GetNumberOfSegments() const;
+ /*!
+ * \brief This enumeration presents available types of distribution
+ */
+ enum DistrType
+ {
+ DT_Regular, //!< equidistant distribution
+ DT_Scale, //!< scale distribution
+ DT_TabFunc, //!< distribution with density function presented by table
+ DT_ExprFunc //!< distribution with density function presented by expression
+ };
+
+ /*!
+ * \brief Set distribution type
+ */
+ void SetDistrType(DistrType typ)
+ throw (SALOME_Exception);
+
+ /*!
+ * \brief Get distribution type
+ */
+ DistrType GetDistrType() const;
+
+ /*!
+ * \brief Set scale factor for scale distribution
+ * \param scaleFactor - positive value different from 1
+ *
+ * Throws SALOME_Exception if distribution type is not DT_Scale,
+ * or scaleFactor is not a positive value different from 1
+ */
virtual void SetScaleFactor(double scaleFactor)
throw (SALOME_Exception);
- double GetScaleFactor() const;
+ /*!
+ * \brief Get scale factor for scale distribution
+ *
+ * Throws SALOME_Exception if distribution type is not DT_Scale
+ */
+ double GetScaleFactor() const
+ throw (SALOME_Exception);
+
+ /*!
+ * \brief Set table function for distribution DT_TabFunc
+ * \param table - this vector contains the pairs (parameter, value)
+ * following each by other, so the number of elements in the vector
+ * must be even. The parameters must be in range [0,1] and sorted in
+ * increase order. The values of function must be positive.
+ *
+ * Throws SALOME_Exception if distribution type is not DT_TabFunc
+ */
+ void SetTableFunction(const std::vector<double>& table)
+ throw (SALOME_Exception);
+
+ /*!
+ * \brief Get table function for distribution DT_TabFunc
+ *
+ * Throws SALOME_Exception if distribution type is not DT_TabFunc
+ */
+ const std::vector<double>& GetTableFunction() const
+ throw (SALOME_Exception);
+
+ /*!
+ * \brief Set expression function for distribution DT_ExprFunc
+ * \param expr - string containing the expression of the function
+ * f(t), e.g. "sin(t)"
+ *
+ * Throws SALOME_Exception if distribution type is not DT_ExprFunc
+ */
+ void SetExpressionFunction( const char* expr)
+ throw (SALOME_Exception);
+
+ /*!
+ * \brief Get expression function for distribution DT_ExprFunc
+ *
+ * Throws SALOME_Exception if distribution type is not DT_ExprFunc
+ */
+ const char* GetExpressionFunction() const
+ throw (SALOME_Exception);
+
+ /*!
+ * \brief Set conversion mode. When it is 0, it means "exponent mode":
+ * the function of distribution of density is used as an exponent of 10, i,e, 10^f(t).
+ * When it is 1, it means "cut negative mode". The function of distribution is used as
+ * F(t), where F(t0)=f(t0), if f(t0)>=0, otherwise F(t0) = 0.
+ * This mode is sensible only when function distribution is used (DT_TabFunc or DT_ExprFunc)
+ *
+ * Throws SALOME_Exception if distribution type is not functional
+ */
+ void SetConversionMode( int conv )
+ throw (SALOME_Exception);
+
+ /*!
+ * \brief Returns conversion mode
+ *
+ * Throws SALOME_Exception if distribution type is not functional
+ */
+ int ConversionMode() const
+ throw (SALOME_Exception);
+
+
+ /*!
+ * \brief Initialize number of segments 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
+ */
+ virtual bool SetParametersByMesh(const SMESH_Mesh* theMesh, const TopoDS_Shape& theShape);
- virtual ostream & SaveTo(ostream & save);
- virtual istream & LoadFrom(istream & load);
- friend ostream& operator << (ostream & save, StdMeshers_NumberOfSegments & hyp);
- friend istream& operator >> (istream & load, StdMeshers_NumberOfSegments & hyp);
+ virtual std::ostream & SaveTo(std::ostream & save);
+ virtual std::istream & LoadFrom(std::istream & load);
+ friend std::ostream& operator << (std::ostream & save, StdMeshers_NumberOfSegments & hyp);
+ friend std::istream& operator >> (std::istream & load, StdMeshers_NumberOfSegments & hyp);
protected:
- int _numberOfSegments;
- double _scaleFactor;
+ int _numberOfSegments; //!< an edge will be split on to this number of segments
+ DistrType _distrType; //!< the type of distribution of density function
+ double _scaleFactor; //!< the scale parameter for DT_Scale
+ std::vector<double> _table, _distr; //!< the table for DT_TabFunc, a sequence of pairs of numbers
+ std::string _func; //!< the expression of the function for DT_ExprFunc
+ int _convMode; //!< flag of conversion mode: 0=exponent, 1=cut negative
};
#endif
