1 // Copyright (C) 2014-2015 EDF-R&D
2 // This library is free software; you can redistribute it and/or
3 // modify it under the terms of the GNU Lesser General Public
4 // License as published by the Free Software Foundation; either
5 // version 2.1 of the License, or (at your option) any later version.
7 // This library is distributed in the hope that it will be useful,
8 // but WITHOUT ANY WARRANTY; without even the implied warranty of
9 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
10 // Lesser General Public License for more details.
12 // You should have received a copy of the GNU Lesser General Public
13 // License along with this library; if not, write to the Free Software
14 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
19 #include "HYDROData_Profile.h"
21 #include "HYDROData_Document.h"
22 #include "HYDROData_Iterator.h"
23 #include "HYDROData_Tool.h"
24 #include "HYDROData_PolylineXY.h"
26 #include <BRepBuilderAPI_MakeEdge.hxx>
27 #include <BRepBuilderAPI_MakeWire.hxx>
28 #include <BRepBuilderAPI_MakePolygon.hxx>
30 #include <BRepExtrema_ExtCC.hxx>
32 #include <BRep_Tool.hxx>
37 #include <gp_Pnt2d.hxx>
39 #include <GeomAPI_ProjectPointOnSurf.hxx>
40 #include <Geom_Plane.hxx>
42 #include <TDataStd_AsciiString.hxx>
43 #include <TDataStd_RealArray.hxx>
46 #include <TopoDS_Edge.hxx>
47 #include <TopoDS_Wire.hxx>
48 #include <TopoDS_Iterator.hxx>
50 #include <OSD_File.hxx>
51 #include <OSD_Protection.hxx>
54 #include <QStringList>
56 IMPLEMENT_STANDARD_RTTIEXT(HYDROData_Profile, HYDROData_Object)
58 HYDROData_Profile::HYDROData_Profile()
59 : HYDROData_Object( Geom_3d )
63 HYDROData_Profile::~HYDROData_Profile()
67 QStringList HYDROData_Profile::DumpToPython( const QString& thePyScriptPath,
68 MapOfTreatedObjects& theTreatedObjects ) const
70 QStringList aResList = dumpObjectCreation( theTreatedObjects );
71 QString aProfileName = GetObjPyName();
73 //TCollection_AsciiString aFilePath = GetFilePath();
74 //if ( !aFilePath.IsEmpty() )
76 // aResList << QString( "%1.ImportFromFile( \"%2\" )" )
77 // .arg( aName ).arg( aFilePath.ToCString() );
80 bool anIsValidProfile = IsValid();
82 QStringList aPntsDefinition;
83 QString aPntsListName = HYDROData_Tool::GenerateNameForPython( theTreatedObjects, "profile_points" );
85 QString aGap = QString().fill( ' ', aPntsListName.length() + 5 );
86 if ( anIsValidProfile )
88 HYDROData_Profile::ProfilePoints aPointsList = GetProfilePoints( true );
89 for ( int k = 1, aNbPoints = aPointsList.Size(); k <= aNbPoints; ++k )
91 const ProfilePoint& aPoint = aPointsList.Value( k );
92 aPntsDefinition << QString( aGap + "gp_XYZ( %1, %2, %3 )%4" )
93 .arg( aPoint.X() ).arg( aPoint.Y() ).arg( aPoint.Z() )
94 .arg( ( k < aNbPoints ? "," : "" ) );
99 HYDROData_IPolyline::PointsList aPointsList = GetParametricPoints();
100 for ( int k = 1, aNbPoints = aPointsList.Size(); k <= aNbPoints; ++k )
102 const HYDROData_IPolyline::Point& aPoint = aPointsList.Value( k );
103 aPntsDefinition << QString( aGap + "gp_XY( %1, %2 )%3" )
104 .arg( aPoint.X() ).arg( aPoint.Y() )
105 .arg( ( k < aNbPoints ? "," : "" ) );
109 if ( !aPntsDefinition.isEmpty() )
111 QString& aFirstStr = aPntsDefinition.first();
112 aFirstStr = aFirstStr.trimmed();
113 aFirstStr.prepend( QString( "%1 = [ " ).arg( aPntsListName ) );
115 aPntsDefinition.last().append( " ];" );
117 aResList << aPntsDefinition;
119 aResList << QString( "%1.%3( %2 )" )
120 .arg( aProfileName ).arg( aPntsListName )
121 .arg( anIsValidProfile ? "SetProfilePoints" : "SetParametricPoints" );
123 aResList << QString( "" );
126 // Set a polyline type if it is not default
127 Handle(HYDROData_ProfileUZ) aPrf = GetProfileUZ( false );
128 if ( !aPrf.IsNull() )
130 HYDROData_IPolyline::SectionType aSecType = aPrf->GetSectionType( 0 );
131 if ( aSecType != HYDROData_IPolyline::SECTION_POLYLINE )
133 aResList << QString( "%1.GetProfileUZ().SetSectionType( 0, %2 )" )
134 .arg( aProfileName ).arg( "HYDROData_IPolyline.SECTION_SPLINE" );
135 aResList << QString( "" );
139 aResList << QString( "%1.Update()" ).arg( aProfileName );
140 aResList << QString( "" );
145 TopoDS_Shape HYDROData_Profile::GetTopShape() const
149 gp_XY aFirstPoint, aLastPoint;
150 if ( !GetLeftPoint( aFirstPoint, false ) || !GetRightPoint( aLastPoint, false ) )
153 gp_Pnt aPnt1( aFirstPoint.X(), aFirstPoint.Y(), 0 );
154 gp_Pnt aPnt2( aLastPoint.X(), aLastPoint.Y(), 0 );
156 BRepBuilderAPI_MakeEdge aMakeEdge( aPnt1, aPnt2 );
157 TopoDS_Edge anEdge = aMakeEdge;
159 BRepBuilderAPI_MakeWire aMakeWire( anEdge );
165 TopoDS_Shape HYDROData_Profile::GetShape3D() const
167 TopoDS_Shape aShape = HYDROData_Object::GetShape3D();
168 if( aShape.IsNull() )
169 aShape = CreateProfileWire( true );
173 TopoDS_Shape HYDROData_Profile::CreateProfileWire( bool canUseDefaultPoints ) const
176 Handle(HYDROData_ProfileUZ) aProfile = GetProfileUZ( false );
177 if ( !aProfile.IsNull() )
179 ProfilePoints aProfilePoints = GetProfilePoints( false, canUseDefaultPoints );
180 HYDROData_IPolyline::SectionType aSectionType = aProfile->GetSectionType( 0 );
182 aWire = HYDROData_PolylineXY::BuildWire( aSectionType, false, aProfilePoints );
187 void HYDROData_Profile::Update()
189 HYDROData_Object::Update();
191 TopoDS_Shape aShape = CreateProfileWire( true );
192 SetShape3D( aShape );
195 QColor HYDROData_Profile::DefaultFillingColor() const
197 return QColor( Qt::transparent );
200 QColor HYDROData_Profile::DefaultBorderColor() const
202 return QColor( Qt::black );
205 bool HYDROData_Profile::IsValid() const
207 gp_XY aFirstPoint, aLastPoint;
208 if ( !GetLeftPoint( aFirstPoint, false ) || !GetRightPoint( aLastPoint, false ) )
211 int aNbPoints = NbPoints();
212 return aNbPoints > 1;
215 void HYDROData_Profile::SetLeftPoint( const gp_XY& theGPoint, bool IsConvertFromGlobal )
217 TDF_Label aLabel = myLab.FindChild( DataTag_FirstPoint );
218 if ( aLabel.IsNull() )
221 Handle(HYDROData_Document) aDoc = HYDROData_Document::Document( Label() );
222 gp_XY aLPoint = theGPoint;
223 if( IsConvertFromGlobal )
224 aDoc->Transform( aLPoint, true );
226 Handle(TDataStd_RealArray) anArray;
227 if ( !aLabel.FindAttribute( TDataStd_RealArray::GetID(), anArray ) )
228 anArray = TDataStd_RealArray::Set( aLabel, 0, 1 );
230 anArray->SetValue( 0, aLPoint.X() );
231 anArray->SetValue( 1, aLPoint.Y() );
236 bool HYDROData_Profile::GetLeftPoint( gp_XY& thePoint, bool IsConvertToGlobal,
237 bool CanUseDefault ) const
239 HYDROData_ProfileUZ::PointsList aParametricPoints = GetParametricPoints();
240 if ( aParametricPoints.Length() < 2 )
243 thePoint = GetParametricPoints().First();
245 //thePoint.SetX( 0 );
246 thePoint.SetY( 0 ); //default left point of not-georeferenced profile
247 TDF_Label aLabel = myLab.FindChild( DataTag_FirstPoint, false );
248 if ( aLabel.IsNull() )
250 return CanUseDefault;
253 Handle(HYDROData_Document) aDoc = HYDROData_Document::Document( myLab );
254 Handle(TDataStd_RealArray) anArray;
255 if ( !aLabel.FindAttribute( TDataStd_RealArray::GetID(), anArray ) )
257 return CanUseDefault;
260 thePoint.SetX( anArray->Value( 0 ) );
261 thePoint.SetY( anArray->Value( 1 ) );
263 if( IsConvertToGlobal )
264 aDoc->Transform( thePoint, false );
269 void HYDROData_Profile::SetRightPoint( const gp_XY& theGPoint, bool IsConvertFromGlobal )
271 TDF_Label aLabel = myLab.FindChild( DataTag_LastPoint );
273 Handle(HYDROData_Document) aDoc = HYDROData_Document::Document( Label() );
274 gp_XY aLPoint = theGPoint;
275 if( IsConvertFromGlobal )
276 aDoc->Transform( aLPoint, true );
278 Handle(TDataStd_RealArray) anArray;
279 if ( !aLabel.FindAttribute( TDataStd_RealArray::GetID(), anArray ) )
280 anArray = TDataStd_RealArray::Set( aLabel, 0, 1 );
282 anArray->SetValue( 0, aLPoint.X() );
283 anArray->SetValue( 1, aLPoint.Y() );
288 bool HYDROData_Profile::GetRightPoint( gp_XY& thePoint, bool IsConvertToGlobal,
289 bool CanUseDefault ) const
291 HYDROData_ProfileUZ::PointsList aParametricPoints = GetParametricPoints();
292 if ( aParametricPoints.Length() < 2 )
295 thePoint = GetParametricPoints().Last();
298 TDF_Label aLabel = myLab.FindChild( DataTag_LastPoint, false );
299 if ( aLabel.IsNull() )
301 return CanUseDefault;
304 Handle(HYDROData_Document) aDoc = HYDROData_Document::Document( myLab );
305 Handle(TDataStd_RealArray) anArray;
306 if ( !aLabel.FindAttribute( TDataStd_RealArray::GetID(), anArray ) )
308 return CanUseDefault;
311 thePoint.SetX( anArray->Value( 0 ) );
312 thePoint.SetY( anArray->Value( 1 ) );
314 if( IsConvertToGlobal )
315 aDoc->Transform( thePoint, false );
320 void HYDROData_Profile::Invalidate()
322 TDF_Label aFirstLabel = myLab.FindChild( DataTag_FirstPoint, false );
323 if ( !aFirstLabel.IsNull() )
324 aFirstLabel.ForgetAllAttributes();
326 TDF_Label aLastLabel = myLab.FindChild( DataTag_LastPoint, false );
327 if ( !aLastLabel.IsNull() )
328 aLastLabel.ForgetAllAttributes();
333 Handle(HYDROData_ProfileUZ) HYDROData_Profile::GetProfileUZ( const bool theIsCreate ) const
335 Handle(HYDROData_ProfileUZ) aProfileUZ;
337 TDF_Label aLabel = myLab.FindChild( DataTag_ChildProfileUZ, theIsCreate );
338 if ( aLabel.IsNull() )
341 aProfileUZ = Handle(HYDROData_ProfileUZ)::DownCast( HYDROData_Iterator::Object( aLabel ) );
342 if ( aProfileUZ.IsNull() && theIsCreate )
344 aProfileUZ = Handle(HYDROData_ProfileUZ)::DownCast(
345 HYDROData_Iterator::CreateObject( aLabel, KIND_PROFILEUZ ) );
351 int HYDROData_Profile::NbPoints() const
353 Handle(HYDROData_ProfileUZ) aProfileUZ = GetProfileUZ( false );
354 return aProfileUZ.IsNull() ? 0 : aProfileUZ->NbPoints();
357 void HYDROData_Profile::RemovePoints()
359 Handle(HYDROData_ProfileUZ) aProfileUZ = GetProfileUZ( false );
360 if ( !aProfileUZ.IsNull() )
362 aProfileUZ->RemoveSections();
367 void HYDROData_Profile::SetParametricPoints( const HYDROData_ProfileUZ::PointsList& thePoints )
371 Handle(HYDROData_ProfileUZ) aProfileUZ = GetProfileUZ();
372 for ( int i = 1, n = thePoints.Length(); i <= n ; ++i )
374 const HYDROData_ProfileUZ::Point& aPoint = thePoints.Value( i );
375 aProfileUZ->AddPoint( 0, aPoint );
381 HYDROData_ProfileUZ::PointsList HYDROData_Profile::GetParametricPoints() const
383 Handle(HYDROData_ProfileUZ) aProfileUZ = GetProfileUZ( false );
384 return aProfileUZ.IsNull() ? HYDROData_ProfileUZ::PointsList() : aProfileUZ->GetPoints();
387 void HYDROData_Profile::SetProfilePoints( const ProfilePoints& thePoints, bool IsConvertFromGlobal )
390 if ( thePoints.Length() < 2 )
393 gp_XY aFirstPoint, aLastPoint;
395 Handle(HYDROData_Document) aDoc = HYDROData_Document::Document( Label() );
396 Handle(HYDROData_ProfileUZ) aProfileUZ = GetProfileUZ();
397 for ( int i = 1, n = thePoints.Length(); i <= n ; ++i )
399 ProfilePoint aPoint = thePoints.Value( i );
400 if( IsConvertFromGlobal )
401 aDoc->Transform( aPoint, true );
403 gp_XY aPointXY( aPoint.X(), aPoint.Y() );
406 aFirstPoint = aPointXY;
408 aLastPoint = aPointXY;
410 double aDistance = gp_Pnt2d( aFirstPoint ).Distance( aPointXY );
412 HYDROData_ProfileUZ::Point aParPoint( aDistance, aPoint.Z() );
413 aProfileUZ->AddPoint( 0, aParPoint );
416 SetLeftPoint( aFirstPoint, false );//already converted to local CS
417 SetRightPoint( aLastPoint, false );
420 HYDROData_Profile::ProfilePoints HYDROData_Profile::GetProfilePoints
421 ( bool IsConvertToGlobal, bool CanUseDefaultLeftRight ) const
423 ProfilePoints aResPoints;
425 gp_XY aFirstPoint, aLastPoint;
426 if ( !GetLeftPoint( aFirstPoint, IsConvertToGlobal, CanUseDefaultLeftRight ) ||
427 !GetRightPoint( aLastPoint, IsConvertToGlobal, CanUseDefaultLeftRight ) )
430 HYDROData_ProfileUZ::PointsList aParametricPoints = GetParametricPoints();
431 if ( aParametricPoints.Length() < 2 )
434 const HYDROData_ProfileUZ::Point& aFirstParPoint = aParametricPoints.First();
435 const HYDROData_ProfileUZ::Point& aLastParPoint = aParametricPoints.Last();
437 double aFullLength = aLastPoint.X() - aFirstPoint.X();
438 double aParFullLength = aLastParPoint.X() - aFirstParPoint.X();
440 // Add first point as is
441 aResPoints.Append( ProfilePoint( aFirstPoint.X(), aFirstPoint.Y(), aFirstParPoint.Y() ) );
443 // Compute all other points
444 for ( int i = 2, n = aParametricPoints.Length(); i < n ; ++i )
446 const HYDROData_ProfileUZ::Point& aParPoint = aParametricPoints.Value( i );
448 double aParPointDist = aParPoint.X() - aFirstParPoint.X();
449 double aRatio = aParPointDist / aParFullLength;
451 double aParX = aFirstPoint.X() * (1-aRatio) + aLastPoint.X() * aRatio;
452 double aParY = aFirstPoint.Y() * (1-aRatio) + aLastPoint.Y() * aRatio;
454 ProfilePoint aCompPoint( aParX, aParY, aParPoint.Y() );
455 aResPoints.Append( aCompPoint );
458 // Add last point as is
459 aResPoints.Append( ProfilePoint( aLastPoint.X(), aLastPoint.Y(), aLastParPoint.Y() ) );
464 void HYDROData_Profile::SetFilePath( const TCollection_AsciiString& theFilePath )
466 TDataStd_AsciiString::Set( myLab.FindChild( DataTag_FilePath ), theFilePath );
469 TCollection_AsciiString HYDROData_Profile::GetFilePath() const
471 TCollection_AsciiString aRes;
473 Handle(TDataStd_AsciiString) anAsciiStr;
474 if ( myLab.FindChild( DataTag_FilePath ).FindAttribute( TDataStd_AsciiString::GetID(), anAsciiStr ) )
475 aRes = anAsciiStr->Get();
480 int HYDROData_Profile::ImportFromFile( const Handle(HYDROData_Document)& theDoc,
481 const TCollection_AsciiString& theFileName,
482 NCollection_Sequence<int>& theBadProfilesIds,
485 if ( theDoc.IsNull() || theFileName.IsEmpty() )
488 OSD_File aFile( theFileName );
489 if ( !aFile.IsReadable() )
492 aFile.Open( OSD_ReadOnly, OSD_Protection() );
493 if ( !aFile.IsOpen() )
496 NCollection_Sequence<Handle(HYDROData_Profile)> aCreatedProfiles;
499 Handle(HYDROData_Profile) aNewProfile;
500 for ( ; !aFile.IsAtEnd(); ++aProfileId )
502 if ( aNewProfile.IsNull() )
503 aNewProfile = Handle(HYDROData_Profile)::DownCast( theDoc->CreateObject( KIND_PROFILE ) );
505 bool anIsRead = false;
506 if ( aNewProfile->ImportFromFile( aFile, isToProject, &anIsRead ) )
508 aCreatedProfiles.Append( aNewProfile );
509 aNewProfile.Nullify();
513 theBadProfilesIds.Append( aProfileId );
517 if ( !aNewProfile.IsNull() )
518 aNewProfile->Remove();
523 for ( int i = 1, n = aCreatedProfiles.Length(); i <= n ; ++i )
525 Handle(HYDROData_Profile) aProfile = aCreatedProfiles.Value( i );
527 QString aProfileName = HYDROData_Tool::GenerateObjectName( theDoc, "Profile" );
528 aProfile->SetName( aProfileName );
530 aProfile->SetFilePath( theFileName );
532 aProfile->SetBorderColor( aProfile->DefaultBorderColor() );
535 return aCreatedProfiles.Length();
538 bool HYDROData_Profile::ImportFromFile( const TCollection_AsciiString& theFileName,
545 // Try to open the file
546 OSD_File aFile( theFileName );
547 if ( !aFile.IsReadable() )
550 aFile.Open( OSD_ReadOnly, OSD_Protection() );
551 if ( !aFile.IsOpen() )
554 bool aRes = ImportFromFile( aFile, isToProject, isNotEmpty );
562 SetFilePath( theFileName );
568 bool HYDROData_Profile::ImportFromFile( OSD_File& theFile,
575 if ( !theFile.IsOpen() )
580 bool anIsParametric = false;
581 bool anIsGeoref = false;
583 HYDROData_ProfileUZ::PointsList aPointsUZ;
584 ProfilePoints aPointsXYZ;
586 double aPrevVal = -DBL_MAX;
587 while ( !theFile.IsAtEnd() )
589 Standard_Integer aNbRead = 0;
590 TCollection_AsciiString aLine;
591 theFile.ReadLine( aLine, 1024, aNbRead );
593 aLine.LeftAdjust(); aLine.RightAdjust();
594 if ( aLine.IsEmpty() )
596 if ( !anIsParametric && !anIsGeoref )
597 continue; // Definition is not started yet
599 break; // Next profile started
602 // Set flag of read status to true
606 TCollection_AsciiString aValX = aLine.Token( " \t", 1 );
607 TCollection_AsciiString aValY = aLine.Token( " \t", 2 );
608 TCollection_AsciiString aValZ = aLine.Token( " \t", 3 );
610 if ( aValX.IsEmpty() || !aValX.IsRealValue() ||
611 aValY.IsEmpty() || !aValY.IsRealValue() )
617 if ( !anIsParametric && !anIsGeoref )
619 anIsParametric = aValZ.IsEmpty();
620 anIsGeoref = !aValZ.IsEmpty();
623 double aCoordX = aValX.RealValue();
624 double aCoordY = aValY.RealValue();
626 if ( HYDROData_Tool::IsNan( aCoordX ) || HYDROData_Tool::IsInf( aCoordX ) ||
627 HYDROData_Tool::IsNan( aCoordY ) || HYDROData_Tool::IsInf( aCoordY ) )
630 if ( anIsParametric )
632 if ( aCoordX < aPrevVal )
634 // Move back readed line
635 theFile.Seek( -( aNbRead + 1 ), OSD_FromHere );
639 HYDROData_ProfileUZ::Point aPoint( aCoordX, aCoordY );
640 aPointsUZ.Append( aPoint );
646 if ( aValZ.IsEmpty() || !aValZ.IsRealValue() )
652 double aCoordZ = aValZ.RealValue();
653 if ( HYDROData_Tool::IsNan( aCoordZ ) || HYDROData_Tool::IsInf( aCoordZ ) )
656 ProfilePoint aPoint( aCoordX, aCoordY, aCoordZ );
657 aPointsXYZ.Append( aPoint );
661 aRes = aRes && ( anIsParametric && !aPointsUZ.IsEmpty() ||
662 anIsGeoref && !aPointsXYZ.IsEmpty() );
665 // Update profile points
666 if ( anIsParametric )
668 SetParametricPoints( aPointsUZ );
670 else if ( anIsGeoref )
673 ProjectProfilePoints( aPointsXYZ );
674 SetProfilePoints( aPointsXYZ, true );
683 void HYDROData_Profile::UpdateLocalCS( double theDx, double theDy )
685 gp_XY aDelta( theDx, theDy );
688 GetLeftPoint( aPnt, false );
690 SetLeftPoint( aPnt, false );
692 GetRightPoint( aPnt, false );
694 SetRightPoint( aPnt, false );
697 HYDROData_Profile::ProfilePoint HYDROData_Profile::GetBottomPoint(bool IsConvertToGlobal) const
699 ProfilePoint aBottom;
701 // Get parametric points
702 HYDROData_ProfileUZ::PointsList aParametricPoints = GetParametricPoints();
703 if ( aParametricPoints.Length() < 1 ) {
707 // Calculate midvalue for U parameter
708 Standard_Real anUMidValue = aParametricPoints.First().X();
709 Standard_Real anUMinValue = anUMidValue;
710 Standard_Real anUMaxValue = anUMidValue;
712 for ( int i = 2, aNbPoints = aParametricPoints.Size(); i <= aNbPoints; i++ ) {
713 const HYDROData_IPolyline::Point& aParPoint = aParametricPoints.Value( i );
714 Standard_Real anU = aParPoint.X();
716 if ( anU < anUMinValue ) {
718 } else if ( anU > anUMaxValue ) {
723 anUMidValue = ( anUMinValue + anUMaxValue ) / 2;
725 // Find index of the parametric point with minimal Z value
726 int aBottomIndex = 1;
727 HYDROData_IPolyline::Point aParBottom = aParametricPoints.First();
729 for ( int i = 2, aNbPoints = aParametricPoints.Size(); i <= aNbPoints; i++ ) {
730 const HYDROData_IPolyline::Point& aParPoint = aParametricPoints.Value( i );
731 if ( aParPoint.Y() < aParBottom.Y() ) {
733 aParBottom = aParPoint;
734 } else if ( aParPoint.Y() == aParBottom.Y() ) {
735 // Check which point is neares to the U = 0.5
736 if ( fabs( aParPoint.X() - anUMidValue ) < fabs( aParBottom.X() - anUMidValue ) ) {
738 aParBottom = aParPoint;
743 // Find the corresponding profile point
744 ProfilePoints aProfilePoints = GetProfilePoints( IsConvertToGlobal );
745 if ( aBottomIndex >= 1 && aBottomIndex <= aProfilePoints.Length() ) {
746 aBottom = aProfilePoints.Value( aBottomIndex );
752 HYDROData_Profile::ProfilePoint HYDROData_Profile::GetMiddlePoint( bool CanUseDefault ) const
754 ProfilePoint aMiddlePoint;
756 gp_XY aLeftPnt, aRightPnt;
757 if ( GetLeftPoint( aLeftPnt, true, CanUseDefault ) && GetRightPoint( aRightPnt, true, CanUseDefault ) ) {
758 gp_XYZ aPnt1( aLeftPnt.X(), aLeftPnt.Y(), 0. );
759 gp_XYZ aPnt2( aRightPnt.X(), aRightPnt.Y(), 0. );
760 gp_Pnt aMiddlePoint2d( 0.5 * ( aPnt1 + aPnt2 ) );
762 gp_Lin aMidLin( aMiddlePoint2d, gp::DZ() );
763 TopoDS_Edge aMidEdge = BRepLib_MakeEdge( aMidLin );
765 TopoDS_Iterator anIt( TopoDS::Wire( GetShape3D() ) );
766 for ( ; anIt.More(); anIt.Next()) {
767 const TopoDS_Edge& anEdge = TopoDS::Edge( anIt.Value() );
770 Standard_Real aStart, anEnd;
771 Handle(Geom_Curve) aCurve = BRep_Tool::Curve( anEdge, aStart, anEnd );
772 gp_Pnt aMiddlePointOnCurve = aCurve->Value( ( aStart + anEnd ) / 2 );
775 BRepExtrema_ExtCC ExtremaEE( aMidEdge, anEdge);
776 if (ExtremaEE.IsDone() && ExtremaEE.NbExt() != 0) {
777 for ( Standard_Integer i = 1; i <= ExtremaEE.NbExt(); i++ ) {
778 if ( ExtremaEE.SquareDistance(i) <= Precision::Confusion() ) {
779 aMiddlePoint = ExtremaEE.PointOnE1(i).XYZ();
790 void HYDROData_Profile::ProjectProfilePoints( ProfilePoints& thePoints )
792 int low = thePoints.Lower(), up = thePoints.Upper();
793 gp_Pnt aFirst = thePoints.Value( low );
794 gp_Pnt aLast = thePoints.Value( up );
795 gp_Vec d( aFirst, aLast );
796 gp_Vec n( d.Y(), -d.X(), 0 );
798 Handle(Geom_Plane) aPlane = new Geom_Plane( aFirst, gp_Dir( n ) );
799 for( int i=low; i<=up; i++ )
801 gp_XYZ p = thePoints.Value( i );
802 gp_Pnt pp = GeomAPI_ProjectPointOnSurf( p, aPlane );
803 thePoints.SetValue( i, pp.XYZ() );