X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FHYDROData%2FHYDROData_Profile.cxx;h=15e91a519143d02f8b19c4eb6e660a3a68b5d875;hb=3bece499e83cc9ca95536228c7f6740030e9d5d8;hp=47418cdf8a0200b45a89d32b4df9534a93abd8b1;hpb=f0688b4c39fcc3e49c2b58a90724b9c1c84f1337;p=modules%2Fhydro.git diff --git a/src/HYDROData/HYDROData_Profile.cxx b/src/HYDROData/HYDROData_Profile.cxx old mode 100755 new mode 100644 index 47418cdf..15e91a51 --- a/src/HYDROData/HYDROData_Profile.cxx +++ b/src/HYDROData/HYDROData_Profile.cxx @@ -23,21 +23,29 @@ #include "HYDROData_Tool.h" #include "HYDROData_PolylineXY.h" -#include - #include #include #include +#include + +#include + +#include #include #include #include +#include +#include +#include #include #include +#include #include #include +#include #include #include @@ -45,11 +53,13 @@ #include #include -IMPLEMENT_STANDARD_HANDLE(HYDROData_Profile, HYDROData_Object) +//#define _DEVDEBUG_ +#include "HYDRO_trace.hxx" + IMPLEMENT_STANDARD_RTTIEXT(HYDROData_Profile, HYDROData_Object) HYDROData_Profile::HYDROData_Profile() -: HYDROData_Object() +: HYDROData_Object( Geom_3d ) { } @@ -57,20 +67,21 @@ HYDROData_Profile::~HYDROData_Profile() { } -QStringList HYDROData_Profile::DumpToPython( MapOfTreatedObjects& theTreatedObjects ) const +QStringList HYDROData_Profile::DumpToPython( const QString& thePyScriptPath, + MapOfTreatedObjects& theTreatedObjects ) const { QStringList aResList = dumpObjectCreation( theTreatedObjects ); QString aProfileName = GetObjPyName(); //TCollection_AsciiString aFilePath = GetFilePath(); - //if ( !aFilePath.IsEmpty() ) + //if ( !aFilePath.IsEmpty() ) //{ - // aResList << QString( "%1.ImportFromFile( \"%2\" );" ) + // aResList << QString( "%1.ImportFromFile( \"%2\" )" ) // .arg( aName ).arg( aFilePath.ToCString() ); //} bool anIsValidProfile = IsValid(); - + QStringList aPntsDefinition; QString aPntsListName = HYDROData_Tool::GenerateNameForPython( theTreatedObjects, "profile_points" ); @@ -103,15 +114,15 @@ QStringList HYDROData_Profile::DumpToPython( MapOfTreatedObjects& theTreatedObje QString& aFirstStr = aPntsDefinition.first(); aFirstStr = aFirstStr.trimmed(); aFirstStr.prepend( QString( "%1 = [ " ).arg( aPntsListName ) ); - + aPntsDefinition.last().append( " ];" ); aResList << aPntsDefinition; - - aResList << QString( "%1.%3( %2 );" ) + + aResList << QString( "%1.%3( %2 )" ) .arg( aProfileName ).arg( aPntsListName ) .arg( anIsValidProfile ? "SetProfilePoints" : "SetParametricPoints" ); - + aResList << QString( "" ); } @@ -122,13 +133,13 @@ QStringList HYDROData_Profile::DumpToPython( MapOfTreatedObjects& theTreatedObje HYDROData_IPolyline::SectionType aSecType = aPrf->GetSectionType( 0 ); if ( aSecType != HYDROData_IPolyline::SECTION_POLYLINE ) { - aResList << QString( "%1.GetProfileUZ().SetSectionType( 0, %2 );" ) + aResList << QString( "%1.GetProfileUZ().SetSectionType( 0, %2 )" ) .arg( aProfileName ).arg( "HYDROData_IPolyline.SECTION_SPLINE" ); aResList << QString( "" ); } } - aResList << QString( "%1.Update();" ).arg( aProfileName ); + aResList << QString( "%1.Update()" ).arg( aProfileName ); aResList << QString( "" ); return aResList; @@ -154,15 +165,17 @@ TopoDS_Shape HYDROData_Profile::GetTopShape() const return aWire; } -TopoDS_Shape HYDROData_Profile::GetShape3D() const +TopoDS_Shape HYDROData_Profile::GetShape3D(bool forceRebuild, bool reverseXCoord) const { - TopoDS_Shape aShape = getShape3D(); + if (forceRebuild) + return CreateProfileWire( true, reverseXCoord ); + TopoDS_Shape aShape = HYDROData_Object::GetShape3D(); if( aShape.IsNull() ) - aShape = CreateProfileWire( true ); + aShape = CreateProfileWire( true, reverseXCoord ); return aShape; } -TopoDS_Shape HYDROData_Profile::CreateProfileWire( bool canUseDefaultPoints ) const +TopoDS_Shape HYDROData_Profile::CreateProfileWire( bool canUseDefaultPoints, bool reverseXCoord ) const { TopoDS_Wire aWire; Handle(HYDROData_ProfileUZ) aProfile = GetProfileUZ( false ); @@ -170,7 +183,14 @@ TopoDS_Shape HYDROData_Profile::CreateProfileWire( bool canUseDefaultPoints ) co { ProfilePoints aProfilePoints = GetProfilePoints( false, canUseDefaultPoints ); HYDROData_IPolyline::SectionType aSectionType = aProfile->GetSectionType( 0 ); - + if (reverseXCoord) + { + for ( int i = 1; i <= aProfilePoints.Size() ; i++ ) + { + gp_XYZ& aPoint = aProfilePoints.ChangeValue(i); + aPoint.ChangeCoord(1) = -aPoint.X(); + } + } aWire = HYDROData_PolylineXY::BuildWire( aSectionType, false, aProfilePoints ); } return aWire; @@ -180,30 +200,20 @@ void HYDROData_Profile::Update() { HYDROData_Object::Update(); - TopoDS_Shape aShape = CreateProfileWire( false ); + TopoDS_Shape aShape = CreateProfileWire( true ); SetShape3D( aShape ); } -QColor HYDROData_Profile::DefaultFillingColor() +QColor HYDROData_Profile::DefaultFillingColor() const { return QColor( Qt::transparent ); } -QColor HYDROData_Profile::DefaultBorderColor() +QColor HYDROData_Profile::DefaultBorderColor() const { return QColor( Qt::black ); } -QColor HYDROData_Profile::getDefaultFillingColor() const -{ - return DefaultFillingColor(); -} - -QColor HYDROData_Profile::getDefaultBorderColor() const -{ - return DefaultBorderColor(); -} - bool HYDROData_Profile::IsValid() const { gp_XY aFirstPoint, aLastPoint; @@ -220,19 +230,22 @@ void HYDROData_Profile::SetLeftPoint( const gp_XY& theGPoint, bool IsConvertFrom if ( aLabel.IsNull() ) return; - Handle(HYDROData_Document) aDoc = HYDROData_Document::Document( Label() ); + Handle(HYDROData_Document) aDoc = HYDROData_Document::Document(); gp_XY aLPoint = theGPoint; if( IsConvertFromGlobal ) aDoc->Transform( aLPoint, true ); Handle(TDataStd_RealArray) anArray; if ( !aLabel.FindAttribute( TDataStd_RealArray::GetID(), anArray ) ) + { anArray = TDataStd_RealArray::Set( aLabel, 0, 1 ); + anArray->SetID(TDataStd_RealArray::GetID()); + } anArray->SetValue( 0, aLPoint.X() ); anArray->SetValue( 1, aLPoint.Y() ); - SetToUpdate( true ); + Changed( Geom_3d ); } bool HYDROData_Profile::GetLeftPoint( gp_XY& thePoint, bool IsConvertToGlobal, @@ -244,7 +257,7 @@ bool HYDROData_Profile::GetLeftPoint( gp_XY& thePoint, bool IsConvertToGlobal, thePoint = GetParametricPoints().First(); - thePoint.SetX( 0 ); + //thePoint.SetX( 0 ); thePoint.SetY( 0 ); //default left point of not-georeferenced profile TDF_Label aLabel = myLab.FindChild( DataTag_FirstPoint, false ); if ( aLabel.IsNull() ) @@ -252,7 +265,7 @@ bool HYDROData_Profile::GetLeftPoint( gp_XY& thePoint, bool IsConvertToGlobal, return CanUseDefault; } - Handle(HYDROData_Document) aDoc = HYDROData_Document::Document( myLab ); + Handle(HYDROData_Document) aDoc = HYDROData_Document::Document(); Handle(TDataStd_RealArray) anArray; if ( !aLabel.FindAttribute( TDataStd_RealArray::GetID(), anArray ) ) { @@ -272,19 +285,22 @@ void HYDROData_Profile::SetRightPoint( const gp_XY& theGPoint, bool IsConvertFro { TDF_Label aLabel = myLab.FindChild( DataTag_LastPoint ); - Handle(HYDROData_Document) aDoc = HYDROData_Document::Document( Label() ); + Handle(HYDROData_Document) aDoc = HYDROData_Document::Document(); gp_XY aLPoint = theGPoint; if( IsConvertFromGlobal ) aDoc->Transform( aLPoint, true ); Handle(TDataStd_RealArray) anArray; if ( !aLabel.FindAttribute( TDataStd_RealArray::GetID(), anArray ) ) + { anArray = TDataStd_RealArray::Set( aLabel, 0, 1 ); + anArray->SetID(TDataStd_RealArray::GetID()); + } anArray->SetValue( 0, aLPoint.X() ); anArray->SetValue( 1, aLPoint.Y() ); - SetToUpdate( true ); + Changed( Geom_3d ); } bool HYDROData_Profile::GetRightPoint( gp_XY& thePoint, bool IsConvertToGlobal, @@ -294,7 +310,8 @@ bool HYDROData_Profile::GetRightPoint( gp_XY& thePoint, bool IsConvertToGlobal, if ( aParametricPoints.Length() < 2 ) return false; - thePoint = GetParametricPoints().First(); + thePoint = GetParametricPoints().Last(); + thePoint.SetY( 0 ); TDF_Label aLabel = myLab.FindChild( DataTag_LastPoint, false ); if ( aLabel.IsNull() ) @@ -302,7 +319,7 @@ bool HYDROData_Profile::GetRightPoint( gp_XY& thePoint, bool IsConvertToGlobal, return CanUseDefault; } - Handle(HYDROData_Document) aDoc = HYDROData_Document::Document( myLab ); + Handle(HYDROData_Document) aDoc = HYDROData_Document::Document(); Handle(TDataStd_RealArray) anArray; if ( !aLabel.FindAttribute( TDataStd_RealArray::GetID(), anArray ) ) { @@ -328,7 +345,7 @@ void HYDROData_Profile::Invalidate() if ( !aLastLabel.IsNull() ) aLastLabel.ForgetAllAttributes(); - SetToUpdate( true ); + Changed( Geom_3d ); } Handle(HYDROData_ProfileUZ) HYDROData_Profile::GetProfileUZ( const bool theIsCreate ) const @@ -361,7 +378,7 @@ void HYDROData_Profile::RemovePoints() if ( !aProfileUZ.IsNull() ) { aProfileUZ->RemoveSections(); - SetToUpdate( true ); + Changed( Geom_3d ); } } @@ -376,7 +393,7 @@ void HYDROData_Profile::SetParametricPoints( const HYDROData_ProfileUZ::PointsLi aProfileUZ->AddPoint( 0, aPoint ); } - SetToUpdate( true ); + Changed( Geom_3d ); } HYDROData_ProfileUZ::PointsList HYDROData_Profile::GetParametricPoints() const @@ -393,7 +410,7 @@ void HYDROData_Profile::SetProfilePoints( const ProfilePoints& thePoints, bool I gp_XY aFirstPoint, aLastPoint; - Handle(HYDROData_Document) aDoc = HYDROData_Document::Document( Label() ); + Handle(HYDROData_Document) aDoc = HYDROData_Document::Document(); Handle(HYDROData_ProfileUZ) aProfileUZ = GetProfileUZ(); for ( int i = 1, n = thePoints.Length(); i <= n ; ++i ) { @@ -409,7 +426,7 @@ void HYDROData_Profile::SetProfilePoints( const ProfilePoints& thePoints, bool I aLastPoint = aPointXY; double aDistance = gp_Pnt2d( aFirstPoint ).Distance( aPointXY ); - + HYDROData_ProfileUZ::Point aParPoint( aDistance, aPoint.Z() ); aProfileUZ->AddPoint( 0, aParPoint ); } @@ -421,39 +438,44 @@ void HYDROData_Profile::SetProfilePoints( const ProfilePoints& thePoints, bool I HYDROData_Profile::ProfilePoints HYDROData_Profile::GetProfilePoints ( bool IsConvertToGlobal, bool CanUseDefaultLeftRight ) const { - ProfilePoints aResPoints; - gp_XY aFirstPoint, aLastPoint; if ( !GetLeftPoint( aFirstPoint, IsConvertToGlobal, CanUseDefaultLeftRight ) || !GetRightPoint( aLastPoint, IsConvertToGlobal, CanUseDefaultLeftRight ) ) - return aResPoints; + return HYDROData_Profile::ProfilePoints(); HYDROData_ProfileUZ::PointsList aParametricPoints = GetParametricPoints(); - if ( aParametricPoints.Length() < 2 ) + + return CalculateProfilePoints(aParametricPoints, aFirstPoint, aLastPoint); +} + +HYDROData_Profile::ProfilePoints HYDROData_Profile::CalculateProfilePoints( + const HYDROData_ProfileUZ::PointsList& theParametricPoints, + const gp_XY& aFirstPoint, const gp_XY& aLastPoint) +{ + ProfilePoints aResPoints; + + if ( theParametricPoints.Length() < 2 ) return aResPoints; - const HYDROData_ProfileUZ::Point& aFirstParPoint = aParametricPoints.First(); - const HYDROData_ProfileUZ::Point& aLastParPoint = aParametricPoints.Last(); + const HYDROData_ProfileUZ::Point& aFirstParPoint = theParametricPoints.First(); + const HYDROData_ProfileUZ::Point& aLastParPoint = theParametricPoints.Last(); - double aGeoDistance = gp_Pnt2d( aFirstPoint ).Distance( aLastPoint ); - double aParCommonDist = gp_Pnt2d( aFirstParPoint.X(), 0 ).Distance( gp_Pnt2d( aLastParPoint.X(), 0 ) ); + double aFullLength = aLastPoint.X() - aFirstPoint.X(); + double aParFullLength = aLastParPoint.X() - aFirstParPoint.X(); // Add first point as is aResPoints.Append( ProfilePoint( aFirstPoint.X(), aFirstPoint.Y(), aFirstParPoint.Y() ) ); // Compute all other points - for ( int i = 2, n = aParametricPoints.Length(); i < n ; ++i ) + for ( int i = 2, n = theParametricPoints.Length(); i < n ; ++i ) { - const HYDROData_ProfileUZ::Point& aParPoint = aParametricPoints.Value( i ); - - double aParPointDist = gp_Pnt2d( aFirstParPoint.X(), 0 ).Distance( gp_Pnt2d( aParPoint.X(), 0 ) ); - - double aParLen = ( aParPointDist / aParCommonDist ) * aGeoDistance; + const HYDROData_ProfileUZ::Point& aParPoint = theParametricPoints.Value( i ); - double aRatio = aParLen / ( aGeoDistance - aParLen ); + double aParPointDist = aParPoint.X() - aFirstParPoint.X(); + double aRatio = aParPointDist / aParFullLength; - double aParX = ( aFirstPoint.X() + aRatio * aLastPoint.X() ) / ( 1 + aRatio ); - double aParY = ( aFirstPoint.Y() + aRatio * aLastPoint.Y() ) / ( 1 + aRatio ); + double aParX = aFirstPoint.X() * (1-aRatio) + aLastPoint.X() * aRatio; + double aParY = aFirstPoint.Y() * (1-aRatio) + aLastPoint.Y() * aRatio; ProfilePoint aCompPoint( aParX, aParY, aParPoint.Y() ); aResPoints.Append( aCompPoint ); @@ -467,7 +489,8 @@ HYDROData_Profile::ProfilePoints HYDROData_Profile::GetProfilePoints void HYDROData_Profile::SetFilePath( const TCollection_AsciiString& theFilePath ) { - TDataStd_AsciiString::Set( myLab.FindChild( DataTag_FilePath ), theFilePath ); + Handle(TDataStd_AsciiString) anAttr = TDataStd_AsciiString::Set( myLab.FindChild( DataTag_FilePath ), theFilePath ); + anAttr->SetID(TDataStd_AsciiString::GetID()); } TCollection_AsciiString HYDROData_Profile::GetFilePath() const @@ -481,9 +504,20 @@ TCollection_AsciiString HYDROData_Profile::GetFilePath() const return aRes; } +void HYDROData_Profile::SetProfileColor( const QColor& theColor ) +{ + SetColor( theColor, DataTag_ProfileColor ); +} + +bool HYDROData_Profile::GetProfileColor(QColor& outColor) const +{ + return GetColor( outColor, DataTag_ProfileColor ); +} + int HYDROData_Profile::ImportFromFile( const Handle(HYDROData_Document)& theDoc, const TCollection_AsciiString& theFileName, - NCollection_Sequence& theBadProfilesIds ) + NCollection_Sequence& theBadProfilesIds, + bool isToProject ) { if ( theDoc.IsNull() || theFileName.IsEmpty() ) return 0; @@ -504,9 +538,9 @@ int HYDROData_Profile::ImportFromFile( const Handle(HYDROData_Document)& theDoc, { if ( aNewProfile.IsNull() ) aNewProfile = Handle(HYDROData_Profile)::DownCast( theDoc->CreateObject( KIND_PROFILE ) ); - + bool anIsRead = false; - if ( aNewProfile->ImportFromFile( aFile, &anIsRead ) ) + if ( aNewProfile->ImportFromFile( aFile, isToProject, &anIsRead ) ) { aCreatedProfiles.Append( aNewProfile ); aNewProfile.Nullify(); @@ -532,17 +566,18 @@ int HYDROData_Profile::ImportFromFile( const Handle(HYDROData_Document)& theDoc, aProfile->SetFilePath( theFileName ); - aProfile->SetBorderColor( HYDROData_Profile::DefaultBorderColor() ); + aProfile->SetBorderColor( aProfile->DefaultBorderColor() ); } return aCreatedProfiles.Length(); } bool HYDROData_Profile::ImportFromFile( const TCollection_AsciiString& theFileName, - bool* theIsRead ) + bool isToProject, + bool* isNotEmpty ) { - if ( theIsRead ) - *theIsRead = false; + if( isNotEmpty ) + *isNotEmpty = false; // Try to open the file OSD_File aFile( theFileName ); @@ -553,7 +588,7 @@ bool HYDROData_Profile::ImportFromFile( const TCollection_AsciiString& theFileNa if ( !aFile.IsOpen() ) return false; - bool aRes = ImportFromFile( aFile, theIsRead ); + bool aRes = ImportFromFile( aFile, isToProject, isNotEmpty ); // Close the file aFile.Close(); @@ -568,10 +603,11 @@ bool HYDROData_Profile::ImportFromFile( const TCollection_AsciiString& theFileNa } bool HYDROData_Profile::ImportFromFile( OSD_File& theFile, - bool* theIsRead ) + bool isToProject, + bool* isNotEmpty ) { - if ( theIsRead ) - *theIsRead = false; + if( isNotEmpty ) + *isNotEmpty = false; if ( !theFile.IsOpen() ) return false; @@ -601,8 +637,8 @@ bool HYDROData_Profile::ImportFromFile( OSD_File& theFile, } // Set flag of read status to true - if ( theIsRead ) - *theIsRead = true; + if( isNotEmpty ) + *isNotEmpty = true; TCollection_AsciiString aValX = aLine.Token( " \t", 1 ); TCollection_AsciiString aValY = aLine.Token( " \t", 2 ); @@ -624,8 +660,8 @@ bool HYDROData_Profile::ImportFromFile( OSD_File& theFile, double aCoordX = aValX.RealValue(); double aCoordY = aValY.RealValue(); - if ( boost::math::isnan( aCoordX ) || boost::math::isinf( aCoordX ) || - boost::math::isnan( aCoordY ) || boost::math::isinf( aCoordY ) ) + if ( HYDROData_Tool::IsNan( aCoordX ) || HYDROData_Tool::IsInf( aCoordX ) || + HYDROData_Tool::IsNan( aCoordY ) || HYDROData_Tool::IsInf( aCoordY ) ) aRes = false; if ( anIsParametric ) @@ -651,15 +687,15 @@ bool HYDROData_Profile::ImportFromFile( OSD_File& theFile, } double aCoordZ = aValZ.RealValue(); - if ( boost::math::isnan( aCoordZ ) || boost::math::isinf( aCoordZ ) ) + if ( HYDROData_Tool::IsNan( aCoordZ ) || HYDROData_Tool::IsInf( aCoordZ ) ) aRes = false; ProfilePoint aPoint( aCoordX, aCoordY, aCoordZ ); aPointsXYZ.Append( aPoint ); } } - - aRes = aRes && ( anIsParametric && !aPointsUZ.IsEmpty() || + + aRes = aRes && ( anIsParametric && !aPointsUZ.IsEmpty() || anIsGeoref && !aPointsXYZ.IsEmpty() ); if ( aRes ) { @@ -670,6 +706,8 @@ bool HYDROData_Profile::ImportFromFile( OSD_File& theFile, } else if ( anIsGeoref ) { + if( isToProject ) + ProjectProfilePoints( aPointsXYZ ); SetProfilePoints( aPointsXYZ, true ); } @@ -693,7 +731,7 @@ void HYDROData_Profile::UpdateLocalCS( double theDx, double theDy ) SetRightPoint( aPnt, false ); } -HYDROData_Profile::ProfilePoint HYDROData_Profile::GetBottomPoint() const +HYDROData_Profile::ProfilePoint HYDROData_Profile::GetBottomPoint(bool IsConvertToGlobal) const { ProfilePoint aBottom; @@ -740,7 +778,7 @@ HYDROData_Profile::ProfilePoint HYDROData_Profile::GetBottomPoint() const } // Find the corresponding profile point - ProfilePoints aProfilePoints = GetProfilePoints( false ); + ProfilePoints aProfilePoints = GetProfilePoints( IsConvertToGlobal ); if ( aBottomIndex >= 1 && aBottomIndex <= aProfilePoints.Length() ) { aBottom = aProfilePoints.Value( aBottomIndex ); } @@ -748,3 +786,60 @@ HYDROData_Profile::ProfilePoint HYDROData_Profile::GetBottomPoint() const return aBottom; } + HYDROData_Profile::ProfilePoint HYDROData_Profile::GetMiddlePoint( bool CanUseDefault ) const + { + ProfilePoint aMiddlePoint; + + gp_XY aLeftPnt, aRightPnt; + if ( GetLeftPoint( aLeftPnt, true, CanUseDefault ) && GetRightPoint( aRightPnt, true, CanUseDefault ) ) { + gp_XYZ aPnt1( aLeftPnt.X(), aLeftPnt.Y(), 0. ); + gp_XYZ aPnt2( aRightPnt.X(), aRightPnt.Y(), 0. ); + gp_Pnt aMiddlePoint2d( 0.5 * ( aPnt1 + aPnt2 ) ); + + gp_Lin aMidLin( aMiddlePoint2d, gp::DZ() ); + TopoDS_Edge aMidEdge = BRepLib_MakeEdge( aMidLin ); + + TopoDS_Shape aProf = TopoDS::Wire( GetShape3D() ); + if (aProf.IsNull()) + return aMiddlePoint; + TopoDS_Iterator anIt( aProf ); + for ( ; anIt.More(); anIt.Next()) { + const TopoDS_Edge& anEdge = TopoDS::Edge( anIt.Value() ); + + /* + Standard_Real aStart, anEnd; + Handle(Geom_Curve) aCurve = BRep_Tool::Curve( anEdge, aStart, anEnd ); + gp_Pnt aMiddlePointOnCurve = aCurve->Value( ( aStart + anEnd ) / 2 ); + */ + + BRepExtrema_ExtCC ExtremaEE( aMidEdge, anEdge); + if (ExtremaEE.IsDone() && ExtremaEE.NbExt() != 0) { + for ( Standard_Integer i = 1; i <= ExtremaEE.NbExt(); i++ ) { + if ( ExtremaEE.SquareDistance(i) <= Precision::Confusion() ) { + aMiddlePoint = ExtremaEE.PointOnE1(i).XYZ(); + break; + } + } + } + } + } + + return aMiddlePoint; + } + +void HYDROData_Profile::ProjectProfilePoints( ProfilePoints& thePoints ) +{ + int low = thePoints.Lower(), up = thePoints.Upper(); + gp_Pnt aFirst = thePoints.Value( low ); + gp_Pnt aLast = thePoints.Value( up ); + gp_Vec d( aFirst, aLast ); + gp_Vec n( d.Y(), -d.X(), 0 ); + + Handle(Geom_Plane) aPlane = new Geom_Plane( aFirst, gp_Dir( n ) ); + for( int i=low; i<=up; i++ ) + { + gp_XYZ p = thePoints.Value( i ); + gp_Pnt pp = GeomAPI_ProjectPointOnSurf( p, aPlane ); + thePoints.SetValue( i, pp.XYZ() ); + } +}