+ double aPointAltitude = anObjBathymetry->GetAltitudeForPoint( thePoint );
+ if ( ValuesEquals( aPointAltitude, HYDROData_Bathymetry::GetInvalidAltitude() ) )
+ continue;
+
+ if ( aZoneMergeType == HYDROData_Zone::Merge_UNKNOWN )
+ {
+ aResAltitude = aPointAltitude;
+ break;
+ }
+ else if ( aZoneMergeType == HYDROData_Zone::Merge_ZMIN )
+ {
+ if ( ValuesEquals( aResAltitude, HYDROData_Bathymetry::GetInvalidAltitude() ) ||
+ aResAltitude > aPointAltitude )
+ {
+ aResAltitude = aPointAltitude;
+ }
+ }
+ else if ( aZoneMergeType == HYDROData_Zone::Merge_ZMAX )
+ {
+ if ( ValuesEquals( aResAltitude, HYDROData_Bathymetry::GetInvalidAltitude() ) ||
+ aResAltitude < aPointAltitude )
+ {
+ aResAltitude = aPointAltitude;
+ }
+ }
+ }
+ }
+
+ return aResAltitude;
+}
+
+Handle(HYDROData_Zone) HYDROData_CalculationCase::GetZoneFromPoint( const gp_XY& thePoint ) const
+{
+ Handle(HYDROData_Zone) aResZone;
+
+ HYDROData_SequenceOfObjects aRegions = GetRegions();
+
+ HYDROData_SequenceOfObjects::Iterator anIter( aRegions );
+ for ( ; anIter.More() && aResZone.IsNull(); anIter.Next() )
+ {
+ Handle(HYDROData_Region) aRegion =
+ Handle(HYDROData_Region)::DownCast( anIter.Value() );
+ if ( aRegion.IsNull() )
+ continue;
+
+ HYDROData_SequenceOfObjects aZones = aRegion->GetZones();
+ HYDROData_SequenceOfObjects::Iterator aZonesIter( aZones );
+ for ( ; aZonesIter.More() && aResZone.IsNull(); aZonesIter.Next() )
+ {
+ Handle(HYDROData_Zone) aRegZone =
+ Handle(HYDROData_Zone)::DownCast( aZonesIter.Value() );
+ if ( aRegZone.IsNull() )
+ continue;
+
+ PointClassification aPointRelation = GetPointClassification( thePoint, aRegZone );
+ if ( aPointRelation != POINT_OUT )
+ aResZone = aRegZone; // We found the desired zone
+ }
+ }
+
+ return aResZone;
+}
+HYDROData_CalculationCase::PointClassification HYDROData_CalculationCase::GetPointClassification(
+ const gp_XY& thePoint,
+ const Handle(HYDROData_Zone)& theZone ) const
+{
+ PointClassification aRes = POINT_OUT;
+ if ( theZone.IsNull() )
+ return aRes;
+
+ TopoDS_Face aZoneFace = TopoDS::Face( theZone->GetShape() );
+ if ( aZoneFace.IsNull() )
+ return aRes;
+
+ BRepTopAdaptor_FClass2d aClassifier( aZoneFace, Precision::Confusion() );
+ TopAbs_State State = aClassifier.Perform( gp_Pnt2d(thePoint), Standard_False );
+ if (State == TopAbs_OUT)
+ aRes = POINT_OUT;
+ else if(State == TopAbs_IN)
+ aRes = POINT_IN;
+ else if(State == TopAbs_ON)
+ aRes = POINT_ON;
+ return aRes;
+}