// Module : SMESH
// $Header$
-using namespace std;
#include "StdMeshers_NumberOfSegments.hxx"
-#include <Standard_ErrorHandler.hxx>
-#include <TCollection_AsciiString.hxx>
+
+#include "StdMeshers_Distribution.hxx"
+#include "SMESHDS_SubMesh.hxx"
+#include "SMESH_Mesh.hxx"
+
+#include "CASCatch.hxx"
+
#include <ExprIntrp_GenExp.hxx>
-#include <Expr_NamedUnknown.hxx>
-#include <CASCatch_CatchSignals.hxx>
-#include <CASCatch_Failure.hxx>
-#include <CASCatch_ErrorHandler.hxx>
-#include <OSD.hxx>
#include <Expr_Array1OfNamedUnknown.hxx>
+#include <Expr_NamedUnknown.hxx>
#include <TColStd_Array1OfReal.hxx>
+#include <TCollection_AsciiString.hxx>
+#include <TopExp.hxx>
+#include <TopTools_IndexedMapOfShape.hxx>
+using namespace std;
const double PRECISION = 1e-7;
_numberOfSegments(1),
_distrType(DT_Regular),
_scaleFactor(1.),
- _expMode(false)
+ _convMode(1) //cut negative by default
{
_name = "NumberOfSegments";
_param_algo_dim = 1;
{
}
+//=============================================================================
+/*!
+ *
+ */
+//=============================================================================
+const std::vector<double>& StdMeshers_NumberOfSegments::BuildDistributionExpr( const char* expr, int nbSeg, int conv )
+throw ( SALOME_Exception )
+{
+ if( !buildDistribution( TCollection_AsciiString( ( Standard_CString )expr ), conv, 0.0, 1.0, nbSeg, _distr, 1E-4 ) )
+ _distr.resize( 0 );
+ return _distr;
+}
+
+const std::vector<double>& StdMeshers_NumberOfSegments::BuildDistributionTab( const std::vector<double>& tab,
+ int nbSeg, int conv )
+throw ( SALOME_Exception )
+{
+ if( !buildDistribution( tab, conv, 0.0, 1.0, nbSeg, _distr, 1E-4 ) )
+ _distr.resize( 0 );
+ return _distr;
+}
+
//=============================================================================
/*!
*
throw SALOME_Exception(LOCALIZED("not a scale distribution"));
if (scaleFactor < PRECISION)
throw SALOME_Exception(LOCALIZED("scale factor must be positive"));
- if (fabs(scaleFactor - 1.0) < PRECISION)
- throw SALOME_Exception(LOCALIZED("scale factor must not be equal to 1"));
+ //if (fabs(scaleFactor - 1.0) < PRECISION)
+ // throw SALOME_Exception(LOCALIZED("scale factor must not be equal to 1"));
if (fabs(_scaleFactor - scaleFactor) > PRECISION)
{
for (i=0; i < table.size()/2; i++) {
double par = table[i*2];
double val = table[i*2+1];
+ if( _convMode==0 )
+ {
+ CASCatch_TRY
+ {
+ val = pow( 10.0, val );
+ }
+ CASCatch_CATCH(Standard_Failure)
+ {
+ Handle(Standard_Failure) aFail = Standard_Failure::Caught();
+ throw SALOME_Exception( LOCALIZED( "invalid value"));
+ return;
+ }
+ }
+ else if( _convMode==1 && val<0.0 )
+ val = 0.0;
+
if ( par<0 || par > 1)
throw SALOME_Exception(LOCALIZED("parameter of table function is out of range [0,1]"));
if ( fabs(par-prev)<PRECISION )
* ( result in 'syntax' ) and if only 't' is unknown variable in expression ( result in 'args' )
*/
//================================================================================
-bool process( const TCollection_AsciiString& str,
+bool process( const TCollection_AsciiString& str, int convMode,
bool& syntax, bool& args,
bool& non_neg, bool& non_zero,
bool& singulars, double& sing_point )
{
- Handle( ExprIntrp_GenExp ) myExpr = ExprIntrp_GenExp::Create();
- myExpr->Process( str.ToCString() );
+ bool parsed_ok = true;
+ Handle( ExprIntrp_GenExp ) myExpr;
+ CASCatch_TRY
+ {
+ myExpr = ExprIntrp_GenExp::Create();
+ myExpr->Process( str.ToCString() );
+ }
+ CASCatch_CATCH(Standard_Failure)
+ {
+ Handle(Standard_Failure) aFail = Standard_Failure::Caught();
+ parsed_ok = false;
+ }
- if( myExpr->IsDone() )
+ syntax = false;
+ args = false;
+ if( parsed_ok && myExpr->IsDone() )
{
syntax = true;
args = isCorrectArg( myExpr->Expression() );
}
- bool res = syntax && args;
+ bool res = parsed_ok && syntax && args;
if( !res )
myExpr.Nullify();
if( res )
{
- OSD::SetSignal( true );
- CASCatch_CatchSignals aCatchSignals;
- aCatchSignals.Activate();
- double res;
- Expr_Array1OfNamedUnknown myVars( 1, 1 );
- TColStd_Array1OfReal myValues( 1, 1 );
- myVars.ChangeValue( 1 ) = new Expr_NamedUnknown( "t" );
-
+ FunctionExpr f( str.ToCString(), convMode );
const int max = 500;
for( int i=0; i<=max; i++ )
{
- double t = double(i)/double(max);
- myValues.ChangeValue( 1 ) = t;
- CASCatch_TRY
- {
- res = myExpr->Expression()->Evaluate( myVars, myValues );
- }
- CASCatch_CATCH(CASCatch_Failure)
+ double t = double(i)/double(max), val;
+ if( !f.value( t, val ) )
{
- aCatchSignals.Deactivate();
- Handle(CASCatch_Failure) aFail = CASCatch_Failure::Caught();
sing_point = t;
singulars = true;
break;
}
- if( res<0 )
+ if( val<0 )
{
non_neg = false;
break;
}
- if( res>PRECISION )
+ if( val>PRECISION )
non_zero = true;
}
- aCatchSignals.Deactivate();
}
- return res && non_neg && ( !singulars );
+ return res && non_neg && non_zero && ( !singulars );
}
//================================================================================
bool syntax, args, non_neg, singulars, non_zero;
double sing_point;
- bool res = true;//process( str, syntax, args, non_neg, non_zero, singulars, sing_point );
+ bool res = process( str, _convMode, syntax, args, non_neg, non_zero, singulars, sing_point );
if( !res )
{
if( !syntax )
*/
//================================================================================
-void StdMeshers_NumberOfSegments::SetExponentMode(bool isExp)
+void StdMeshers_NumberOfSegments::SetConversionMode( int conv )
throw(SALOME_Exception)
{
if (_distrType != DT_TabFunc && _distrType != DT_ExprFunc)
throw SALOME_Exception(LOCALIZED("not a functional distribution"));
- if (isExp != _expMode)
+ if( conv != _convMode )
{
- _expMode = isExp;
+ _convMode = conv;
NotifySubMeshesHypothesisModification();
}
}
*/
//================================================================================
-bool StdMeshers_NumberOfSegments::IsExponentMode() const
+int StdMeshers_NumberOfSegments::ConversionMode() const
throw(SALOME_Exception)
{
if (_distrType != DT_TabFunc && _distrType != DT_ExprFunc)
throw SALOME_Exception(LOCALIZED("not a functional distribution"));
- return _expMode;
+ return _convMode;
}
//=============================================================================
}
if (_distrType == DT_TabFunc || _distrType == DT_ExprFunc)
- save << " " << (int)_expMode;
+ save << " " << _convMode;
return save;
}
{
isOK = (load >> a);
if (isOK)
- _expMode = (bool) a;
+ _convMode = a;
else
load.clear(ios::badbit | load.rdstate());
}
{
return hyp.LoadFrom( load );
}
+
+//================================================================================
+/*!
+ * \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
+ */
+//================================================================================
+
+bool StdMeshers_NumberOfSegments::SetParametersByMesh(const SMESH_Mesh* theMesh,
+ const TopoDS_Shape& theShape)
+{
+ if ( !theMesh || theShape.IsNull() )
+ return false;
+
+ _numberOfSegments = 0;
+ _distrType = DT_Regular;
+
+ int nbEdges = 0;
+ TopTools_IndexedMapOfShape edgeMap;
+ TopExp::MapShapes( theShape, TopAbs_EDGE, edgeMap );
+ for ( int i = 1; i <= edgeMap.Extent(); ++i )
+ {
+ // get current segment length
+ SMESHDS_Mesh* aMeshDS = const_cast< SMESH_Mesh* >( theMesh )->GetMeshDS();
+ SMESHDS_SubMesh * eSubMesh = aMeshDS->MeshElements( edgeMap( i ));
+ if ( eSubMesh && eSubMesh->NbElements())
+ _numberOfSegments += eSubMesh->NbElements();
+
+ ++nbEdges;
+ }
+ if ( nbEdges )
+ _numberOfSegments /= nbEdges;
+
+ return nbEdges;
+}
