2 #include <HYDROData_DTM.h>
3 #include <HYDROData_Profile.h>
5 #include <Geom2d_BSplineCurve.hxx>
6 #include <Geom2dAPI_Interpolate.hxx>
7 #include <TColgp_HArray1OfPnt2d.hxx>
8 #include <TColgp_Array1OfVec2d.hxx>
9 #include <TColStd_HArray1OfBoolean.hxx>
11 #include <TopoDS_Edge.hxx>
12 #include <TopoDS_Wire.hxx>
13 #include <TopExp_Explorer.hxx>
14 #include <BRep_Tool.hxx>
16 #include <Geom_Line.hxx>
17 #include <Geom2d_Line.hxx>
18 #include <Geom2d_TrimmedCurve.hxx>
19 #include <Geom_BSplineCurve.hxx>
20 #include <Geom2d_BSplineCurve.hxx>
21 #include <GeomAPI_Interpolate.hxx>
22 #include <TColStd_Array1OfReal.hxx>
23 #include <TColStd_Array1OfInteger.hxx>
24 #include <TColgp_Array1OfPnt.hxx>
25 #include <TColgp_Array1OfVec.hxx>
26 #include <TColgp_HArray1OfPnt.hxx>
27 #include <Geom2dAPI_InterCurveCurve.hxx>
28 #include <Geom2dAPI_ProjectPointOnCurve.hxx>
29 #include <Geom2dAdaptor_Curve.hxx>
30 #include <GCPnts_AbscissaPoint.hxx>
31 #include <BRepBuilderAPI_MakeEdge.hxx>
34 #include <BRepLib_MakeEdge.hxx>
35 #include <BRepLib_MakeWire.hxx>
36 #include <BRep_Builder.hxx>
37 #include <GeomProjLib.hxx>
38 #include <Geom_TrimmedCurve.hxx>
39 #include <Geom_Plane.hxx>
40 #include <BRepTools_WireExplorer.hxx>
41 #include <TopTools_IndexedMapOfShape.hxx>
42 #include <BRepBuilderAPI_MakeFace.hxx>
44 #include <TopTools_IndexedMapOfOrientedShape.hxx>
46 #include <BRepLib_MakeEdge.hxx>
47 #include <BRepLib_MakeWire.hxx>
48 #include <BRep_Builder.hxx>
52 IMPLEMENT_STANDARD_HANDLE( HYDROData_DTM, HYDROData_Bathymetry )
53 IMPLEMENT_STANDARD_RTTIEXT( HYDROData_DTM, HYDROData_Bathymetry )
56 HYDROData_DTM::CurveUZ::CurveUZ( double theXCurv, const gp_Vec2d& theProfileDir, double theDeltaZ )
57 : myXcurv( theXCurv ), myProfileDir( theProfileDir ), myDeltaZ( theDeltaZ )
61 HYDROData_DTM::CurveUZ::~CurveUZ()
65 double HYDROData_DTM::CurveUZ::Xcurv() const
70 gp_Vec2d HYDROData_DTM::CurveUZ::ProfileDir() const
75 double HYDROData_DTM::CurveUZ::DeltaZ() const
80 HYDROData_DTM::CurveUZ HYDROData_DTM::CurveUZ::operator + ( const CurveUZ& c ) const
82 HYDROData_DTM::CurveUZ res( Xcurv() + c.Xcurv(), ProfileDir() + c.ProfileDir(), DeltaZ() + c.DeltaZ() );
85 for( int i=0; i<n; i++ )
88 p.U = operator[]( i ).U + c[i].U;
89 p.Z = operator[]( i ).Z;
95 HYDROData_DTM::CurveUZ HYDROData_DTM::CurveUZ::operator * ( double d ) const
97 HYDROData_DTM::CurveUZ res( Xcurv()*d, ProfileDir()*d, DeltaZ()*d );
100 for( int i=0; i<n; i++ )
103 p.U = operator[]( i ).U * d;
104 p.Z = operator[]( i ).Z;
113 HYDROData_DTM::HYDROData_DTM()
117 HYDROData_DTM::~HYDROData_DTM()
121 HYDROData_SequenceOfObjects HYDROData_DTM::GetProfiles() const
123 return GetReferenceObjects( DataTag_Profiles );
126 void HYDROData_DTM::SetProfiles( const HYDROData_SequenceOfObjects& theProfiles )
128 SetReferenceObjects( theProfiles, DataTag_Profiles );
131 double HYDROData_DTM::GetDDZ() const
133 return GetDouble( DataTag_DDZ );
136 void HYDROData_DTM::SetDDZ( double theDDZ )
138 SetDouble( DataTag_DDZ, theDDZ );
141 double HYDROData_DTM::GetSpatialStep() const
143 return GetDouble( DataTag_SpatialStep );
146 void HYDROData_DTM::SetSpatialStep( double theSpatialStep )
148 SetDouble( DataTag_SpatialStep, theSpatialStep );
151 void HYDROData_DTM::PointToWire(const AltitudePoints& pnts, TopoDS_Wire& W )
156 for (int i = 0; i < pnts.size() - 1; i++)
158 gp_Pnt p1(pnts[i].X, pnts[i].Y, pnts[i].Z);
159 gp_Pnt p2(pnts[i+1].X, pnts[i+1].Y, pnts[i+1].Z);
160 WM.Add(BRepLib_MakeEdge(p1, p2).Edge());
166 TopTools_IndexedMapOfOrientedShape HYDROData_DTM::Create3DShape(const AltitudePoints& left,
167 const AltitudePoints& right,
168 const std::vector<AltitudePoints>& main_profiles)
170 TopTools_IndexedMapOfOrientedShape ll;
171 TopoDS_Wire LWire, RWire;
172 PointToWire(left, LWire);
173 PointToWire(right, RWire);
175 ll.Add(LWire.Oriented(TopAbs_FORWARD));
177 for (int k = 0; k < main_profiles.size(); k++)
180 PointToWire(main_profiles[k], W);
181 TopAbs_Orientation Ori = TopAbs_INTERNAL;
182 if (k == 0 || k == main_profiles.size() - 1)
183 Ori = TopAbs_FORWARD;
184 ll.Add(W.Oriented(Ori));
188 ll.Add(RWire.Oriented(TopAbs_FORWARD));
189 //yes, add subshapes in this order (left + profiles + right)
190 //otherwise the projected wire will be non-manifold
196 void HYDROData_DTM::Update()
198 AltitudePoints points;
199 TopoDS_Shape Out3dPres;
200 TopoDS_Shape Out2dPres;
201 TopoDS_Shape OutLeftB;
202 TopoDS_Shape OutRightB;
203 TopoDS_Shape OutInlet;
204 TopoDS_Shape OutOutlet;
206 HYDROData_SequenceOfObjects objs = GetProfiles();
207 double ddz = GetDDZ();
208 double step = GetSpatialStep();
209 std::set<int> InvInd;
210 CreateProfilesFromDTM( objs, ddz, step, points, Out3dPres, Out2dPres, OutLeftB, OutRightB, OutInlet, OutOutlet, true, true, InvInd, -1 );
211 SetAltitudePoints( points );
213 SetShape( DataTag_LeftBankShape, OutLeftB);
214 SetShape( DataTag_RightBankShape, OutRightB);
215 SetShape( DataTag_InletShape, OutInlet);
216 SetShape( DataTag_OutletShape, OutOutlet );
217 SetShape( DataTag_3DShape, Out3dPres );
218 SetShape( DataTag_2DShape, Out2dPres );
220 HYDROData_Bathymetry::Update();
223 void HYDROData_DTM::GetPresentationShapes( TopoDS_Shape& Out3dPres,
224 TopoDS_Shape& Out2dPres,
225 TopoDS_Shape& OutLeftB,
226 TopoDS_Shape& OutRightB,
227 TopoDS_Shape& OutInlet,
228 TopoDS_Shape& OutOutlet )
231 OutLeftB = GetShape( DataTag_LeftBankShape);
232 OutRightB = GetShape( DataTag_RightBankShape);
233 OutInlet = GetShape( DataTag_InletShape);
234 OutOutlet = GetShape( DataTag_OutletShape );
235 Out3dPres = GetShape( DataTag_3DShape );
236 Out2dPres = GetShape( DataTag_2DShape );
239 void HYDROData_DTM::CreateProfilesFromDTM (const HYDROData_SequenceOfObjects& InpProfiles,
242 AltitudePoints& points,
243 TopoDS_Shape& Out3dPres,
244 TopoDS_Shape& Out2dPres,
245 TopoDS_Shape& OutLeftB,
246 TopoDS_Shape& OutRightB,
247 TopoDS_Shape& OutInlet,
248 TopoDS_Shape& OutOutlet,
251 std::set<int>& InvInd,
254 int aLower = InpProfiles.Lower(), anUpper = InpProfiles.Upper();
255 size_t n = anUpper - aLower + 1;
257 std::vector<Handle_HYDROData_Profile> profiles;
258 profiles.reserve( n );
259 for( int i=aLower; i<=anUpper; i++ )
261 Handle(HYDROData_Profile) aProfile = Handle(HYDROData_Profile)::DownCast( InpProfiles.Value( i ) );
262 if( !aProfile.IsNull() )
263 profiles.push_back( aProfile );
265 const double EPS = 1E-3;
267 AltitudePoints right;
268 std::vector<AltitudePoints> main_profiles;
270 if( thePntsLimit > 0 )
272 int aNbPoints = EstimateNbPoints( profiles, ddz, step );
273 if( aNbPoints < 0 || aNbPoints > thePntsLimit )
277 if( ddz>EPS && step>EPS )
278 CreateProfiles(profiles, ddz, step, left, right, points, main_profiles,
279 Out3dPres, Out2dPres, OutLeftB, OutRightB, OutInlet, OutOutlet, Create3dPres, Create2dPres, InvInd );
282 void HYDROData_DTM::ProjWireOnPlane(const TopoDS_Wire& inpWire, const Handle_Geom_Plane& RefPlane, TopoDS_Wire& outWire)
284 //its also possible to use BrepAlgo_NormalProjection here!
285 BRepTools_WireExplorer ex(TopoDS::Wire(inpWire.Oriented(TopAbs_FORWARD)));
287 for (;ex.More();ex.Next())
289 const TopoDS_Edge& CE = ex.Current();
291 Handle(Geom_Curve) C3d = BRep_Tool::Curve(CE, f, l);
292 Handle(Geom_Curve) ProjectedCurve = GeomProjLib::ProjectOnPlane(new Geom_TrimmedCurve(C3d, f, l), RefPlane, RefPlane->Position().Direction(), Standard_True);
293 TopoDS_Edge ProjEdge = BRepLib_MakeEdge(ProjectedCurve);
294 WM.Add(ProjEdge); //auto sharing between edges if vertex is coincident
297 outWire.Orientation(inpWire.Orientation()); //take from the original wire
301 void HYDROData_DTM::Get2dFaceFrom3dPres(const TopoDS_Compound& cmp, TopoDS_Face& outF )
303 Handle_Geom_Plane refpl = new Geom_Plane(gp_Pnt(0,0,0), gp_Dir(0,0,1));
305 TopoDS_Iterator it(cmp);
306 //TopTools_IndexedMapOfShape IntW;
307 for (;it.More(); it.Next())
309 const TopoDS_Wire& W = TopoDS::Wire(it.Value());
310 if (W.Orientation() != TopAbs_INTERNAL)
312 //use list of edges to protect againts non-manifold cases.
313 //auto sharing between edges will be added automatically
314 TopTools_IndexedMapOfShape ME;
315 TopTools_ListOfShape LE;
316 TopExp::MapShapes(W, TopAbs_EDGE, ME);
317 for (int i = 1; i <= ME.Extent(); i++)
326 ProjWireOnPlane(WM.Wire(), refpl, outW);
327 BRepBuilderAPI_MakeFace mf(refpl, outW); //check inside is true by def
330 ///!!! the internal wires cant be added with 'internal' ori.
331 // it's possible to do with brep builder yet the result will not be correct!
332 // more proper way is to use BOP operation here.
333 /*for (int i = 1; i <= IntW.Extent(); i++)
336 const TopoDS_Wire& W = TopoDS::Wire(IntW(i));
337 ProjWireOnPlane(W, refpl, outIW);
342 void HYDROData_DTM::CreateProfiles(const std::vector<Handle_HYDROData_Profile>& theProfiles,
344 double theSpatialStep,
345 AltitudePoints& theOutLeft,
346 AltitudePoints& theOutRight,
347 AltitudePoints& theOutPoints,
348 std::vector<AltitudePoints>& theOutMainProfiles,
349 TopoDS_Shape& Out3dPres,
350 TopoDS_Shape& Out2dPres,
351 TopoDS_Shape& OutLeftB,
352 TopoDS_Shape& OutRightB,
353 TopoDS_Shape& OutInlet,
354 TopoDS_Shape& OutOutlet,
357 std::set<int>& InvInd)
359 if (theProfiles.empty())
361 theOutPoints = Interpolate( theProfiles, theDDZ, theSpatialStep, theOutLeft, theOutRight, theOutMainProfiles, InvInd );
362 //note that if Create3dPres is false => Create2dPres flag is meaningless!
365 TopTools_IndexedMapOfOrientedShape ll = Create3DShape( theOutLeft, theOutRight, theOutMainProfiles);
371 BB.MakeCompound(cmp);
372 for (int i = 1; i <= ll.Extent(); i++)
377 //same order as in HYDROData_DTM::Update()
379 OutRightB = ll(ll.Extent());
381 OutOutlet = ll(ll.Extent() - 1);
386 Get2dFaceFrom3dPres(cmp, outF);
395 void HYDROData_DTM::GetProperties( const Handle_HYDROData_Profile& theProfile,
396 gp_Pnt& theLowestPoint, gp_Vec2d& theDir,
398 double& theZMin, double& theZMax )
400 theLowestPoint = theProfile->GetBottomPoint();
403 theProfile->GetLeftPoint( aLeft, true, true );
404 theProfile->GetRightPoint( aRight, true, true );
405 double x = aRight.X()-aLeft.X();
406 double y = aRight.Y()-aLeft.Y();
408 theDir = gp_Vec2d( -y, x );
410 theDir = gp_Vec2d( x, y );
412 HYDROData_Profile::ProfilePoints points = theProfile->GetProfilePoints();
413 int lo = points.Lower();
414 int up = points.Upper();
415 theZMin = std::numeric_limits<double>::max();
417 for( int i=lo; i<=up; i++ )
419 double z = points.Value( i ).Z();
427 inline gp_Pnt2d To2D( const gp_Pnt& thePnt, const gp_Trsf& theTr,
428 double& theUMin, double& theUMax )
430 gp_Pnt p = thePnt.Transformed( theTr );
437 return gp_Pnt2d( u, z );
440 Handle(TColgp_HArray1OfPnt2d) To2D( const TColgp_Array1OfPnt& thePoints,
441 const gp_Trsf& theTr,
442 double& theUMin, double& theUMax )
444 int low = thePoints.Lower(), up = thePoints.Upper();
445 Handle(TColgp_HArray1OfPnt2d) points = new TColgp_HArray1OfPnt2d( low, up );
446 for( int i=low; i<=up; i++ )
447 points->SetValue( i, To2D( thePoints.Value( i ), theTr, theUMin, theUMax ) );
451 Handle(Geom2d_Curve) CurveTo2D( const Handle(Geom_Curve)& theCurve,
452 Standard_Real theFirst, Standard_Real theLast,
453 const gp_Trsf& theTr,
454 double& theUMin, double& theUMax )
456 if( theCurve->IsKind( STANDARD_TYPE( Geom_Line ) ) )
458 gp_Pnt aFirstPnt, aLastPnt;
459 theCurve->D0( theFirst, aFirstPnt );
460 theCurve->D0( theLast, aLastPnt );
463 aFirst2d = To2D( aFirstPnt, theTr, theUMin, theUMax ),
464 aLast2d = To2D( aLastPnt, theTr, theUMin, theUMax );
466 gp_Vec2d dir( aFirst2d, aLast2d );
467 Handle_Geom2d_Line aLine2d = new Geom2d_Line( aFirst2d, gp_Dir2d( dir.X(), dir.Y() ) );
468 return new Geom2d_TrimmedCurve( aLine2d, 0, aLast2d.Distance( aFirst2d ) );
471 if( theCurve->IsKind( STANDARD_TYPE( Geom_BSplineCurve ) ) )
473 Handle(Geom_BSplineCurve) aSpline = Handle(Geom_BSplineCurve)::DownCast( theCurve );
475 Handle(TColgp_HArray1OfPnt2d) poles = To2D( aSpline->Poles(), theTr, theUMin, theUMax );
476 const TColStd_Array1OfReal& knots = aSpline->Knots();
477 const TColStd_Array1OfInteger& multiplicities = aSpline->Multiplicities();
478 int aDegree = aSpline->Degree();
480 return new Geom2d_BSplineCurve( poles->Array1(), knots, multiplicities, aDegree );
483 return Handle(Geom2d_Curve)();
486 Handle_Geom2d_BSplineCurve HYDROData_DTM::CreateHydraulicAxis(
487 const std::vector<Handle_HYDROData_Profile>& theProfiles,
488 std::vector<double>& theDistances )
490 size_t n = theProfiles.size();
491 Handle_Geom2d_BSplineCurve aResult;
493 Handle(TColgp_HArray1OfPnt2d) points = new TColgp_HArray1OfPnt2d( 1, (int)n );
494 TColgp_Array1OfVec2d tangents( 1, (int)n );
495 Handle(TColStd_HArray1OfBoolean) flags = new TColStd_HArray1OfBoolean( 1, (int)n );
497 for( size_t i = 1; i <= n; i++ )
499 Handle_HYDROData_Profile aProfile = theProfiles[i-1];
505 GetProperties( aProfile, aLowest, aTangent, true, zmin, zmax );
506 aTangent.Normalize();
508 points->SetValue( (int)i, gp_Pnt2d( aLowest.X(), aLowest.Y() ) );
509 tangents.SetValue( (int)i, aTangent );
510 flags->SetValue( (int)i, Standard_True );
513 Geom2dAPI_Interpolate anInterpolator( points, Standard_False, Standard_False );
514 anInterpolator.Load( tangents, flags );
515 anInterpolator.Perform();
516 if( anInterpolator.IsDone() )
518 aResult = anInterpolator.Curve();
520 //fill the distances vector
521 Geom2dAdaptor_Curve anAdaptor( aResult );
523 theDistances.clear();
524 theDistances.reserve( n );
525 Standard_Real aParamFirst = anAdaptor.FirstParameter(), aParamLast = anAdaptor.LastParameter();
526 for( size_t i = 1; i <= n; i++ )
528 gp_Pnt2d aPnt = points->Value( (Standard_Integer)i );
529 Geom2dAPI_ProjectPointOnCurve aProject( aPnt, aResult );
530 Standard_Real aParam = aProject.LowerDistanceParameter();
531 double aDistance = GCPnts_AbscissaPoint::Length( anAdaptor, aParamFirst, aParam );
532 theDistances.push_back( aDistance );
538 std::vector<Handle_Geom2d_Curve> HYDROData_DTM::ProfileToParametric(
539 const Handle_HYDROData_Profile& theProfile,
540 double& theUMin, double& theUMax, gp_Vec2d& theDir )
542 std::vector<Handle_Geom2d_Curve> curves;
544 // Transformation of the coordinate systems
547 GetProperties( theProfile, aLowest, theDir, false, zmin, zmax );
549 gp_Ax3 aStd3d( gp_Pnt( 0, 0, 0 ), gp_Dir( 0, 0, 1 ), gp_Dir( 1, 0, 0 ) );
550 gp_Ax3 aLocal( gp_Pnt( aLowest.X(), aLowest.Y(), 0 ), gp_Dir( 0, 0, 1 ), gp_Dir( theDir.X(), theDir.Y(), 0 ) );
553 aTransf.SetTransformation( aStd3d, aLocal );
555 // Iteration via edges
556 TopoDS_Wire aWire = TopoDS::Wire( theProfile->GetShape3D() );
557 TopExp_Explorer anExp( aWire, TopAbs_EDGE );
558 for( ; anExp.More(); anExp.Next() )
560 // Extract an edge from wire
561 TopoDS_Edge anEdge = TopoDS::Edge( anExp.Current() );
563 // Extract a curve corresponding to the edge
564 TopLoc_Location aLoc;
565 Standard_Real aFirst, aLast;
566 Handle(Geom_Curve) aCurve = BRep_Tool::Curve( anEdge, aLoc, aFirst, aLast );
568 // Convert the curve to 2d CS
569 Handle(Geom2d_Curve) aCurve2d = CurveTo2D( aCurve, aFirst, aLast, aTransf, theUMin, theUMax );
570 if( !aCurve2d.IsNull() )
571 curves.push_back( aCurve2d );
577 bool CalcMidWidth( const std::set<double>& intersections, double& theMid, double& theWid )
579 double umin = std::numeric_limits<double>::max(),
582 size_t n = intersections.size();
586 std::set<double>::const_iterator it = intersections.begin(), last = intersections.end();
587 for( ; it!=last; it++ )
595 theMid = ( umin+umax )/2;
600 void HYDROData_DTM::ProfileDiscretization( const Handle_HYDROData_Profile& theProfile,
601 double theXCurv, double theMinZ, double theMaxZ, double theDDZ,
602 CurveUZ& theMidPointCurve,
603 CurveUZ& theWidthCurve,
604 int& intersection_nb,
607 double aDblMax = std::numeric_limits<double>::max(),
612 gp_Vec2d aProfileDir;
613 std::vector<Handle_Geom2d_Curve> curves = ProfileToParametric( theProfile, aUMin, aUMax, aProfileDir );
614 size_t n = curves.size();
619 // we add the "virtual" vertical lines to simulate the intersection with profile
620 gp_Pnt2d aFirst, aLast;
621 curves[0]->D0( curves[0]->FirstParameter(), aFirst );
622 curves[n-1]->D0( curves[n-1]->LastParameter(), aLast );
623 Handle(Geom2d_Line) aV1 = new Geom2d_Line( aFirst, gp_Dir2d( 0, 1 ) );
624 Handle(Geom2d_TrimmedCurve) aT1 = new Geom2d_TrimmedCurve( aV1, 0.0, aVMax );
626 Handle(Geom2d_Line) aV2 = new Geom2d_Line( aLast, gp_Dir2d( 0, 1 ) );
627 Handle(Geom2d_TrimmedCurve) aT2 = new Geom2d_TrimmedCurve( aV2, 0.0, aVMax );
629 curves.push_back( aT1 );
630 curves.push_back( aT2 );
632 int psize = ( int )( ( theMaxZ-theMinZ ) / theDDZ + 1 );
633 theMidPointCurve = CurveUZ( theXCurv, aProfileDir, theMinZ );
634 theMidPointCurve.reserve( psize );
635 theWidthCurve = CurveUZ( theXCurv, aProfileDir, theMinZ );
636 theWidthCurve.reserve( psize );
639 // for each discrete value of z we search intersection with profile
640 for( double z1 = theMinZ; z1 <= theMaxZ; z1 += theDDZ )
642 Handle(Geom2d_Line) aLine = new Geom2d_Line( gp_Pnt2d( 0, z1 ), gp_Dir2d( 1, 0 ) );
643 std::set<double> intersections;
644 for( size_t i = 0; i < n; i++ )
646 Handle_Geom2d_Curve aCurve = curves[i];
647 Geom2dAPI_InterCurveCurve anIntersect( aCurve, aLine, theTolerance );
648 for( int k=1, m=anIntersect.NbPoints(); k<=m; k++ )
649 intersections.insert( anIntersect.Point( k ).X() );
652 intersection_nb = intersections.size();
653 if( intersection_nb >= 1 )
656 if( !CalcMidWidth( intersections, u_mid, u_wid ) )
659 double z = z1 - theMinZ;
663 theMidPointCurve.push_back( p_mid );
668 theWidthCurve.push_back( p_wid );
673 void HYDROData_DTM::Interpolate( const CurveUZ& theCurveA, const CurveUZ& theCurveB,
674 int theNbSteps, std::vector<CurveUZ>& theInterpolation,
677 theInterpolation.clear();
678 int d = isAddSecond ? 2 : 1;
679 theInterpolation.reserve( theNbSteps+d );
680 double dt = 1.0 / double( theNbSteps + 1 );
682 theInterpolation.push_back( theCurveA );
683 for( int i=0; i<theNbSteps; i++, t+=dt )
685 CurveUZ anInterp = theCurveA*(1-t) + theCurveB*t;
686 theInterpolation.push_back( anInterp );
689 theInterpolation.push_back( theCurveB );
691 #include <BRepLib_MakeEdge2d.hxx>
692 void HYDROData_DTM::CurveTo3D( const Handle_Geom2d_BSplineCurve& theHydraulicAxis,
693 const CurveUZ& theMidCurve, const CurveUZ& theWidthCurve,
694 AltitudePoints& thePoints )
696 Geom2dAdaptor_Curve anAdaptor( theHydraulicAxis );
697 TopoDS_Edge E2d = BRepLib_MakeEdge2d(theHydraulicAxis).Edge();
698 GCPnts_AbscissaPoint ap( anAdaptor, theMidCurve.Xcurv(), anAdaptor.FirstParameter() );
699 double aParam = ap.Parameter();
702 anAdaptor.D0( aParam, point );
703 gp_Vec2d profile_dir = theMidCurve.ProfileDir();
704 //gp_Dir tangent_n( -profile_dir.Y(), profile_dir.X(), dz );
705 profile_dir.Normalize();
707 size_t n = theMidCurve.size();
708 std::map<double, AltitudePoint> sorted_points;
709 for( size_t i=0; i<n; i++ )
711 double param1 = theMidCurve[i].U - theWidthCurve[i].U / 2;
712 double param2 = theMidCurve[i].U + theWidthCurve[i].U / 2;
714 gp_Pnt2d p1 = point.Translated( param1 * profile_dir);
715 gp_Pnt2d p2 = point.Translated( param2 * profile_dir);
717 double z = theMidCurve[i].Z + theMidCurve.DeltaZ();
719 AltitudePoint p3d_1( p1.X(), p1.Y(), z ), p3d_2( p2.X(), p2.Y(), z );
721 sorted_points[param1] = p3d_1;
722 sorted_points[param2] = p3d_2;
725 thePoints.reserve( sorted_points.size() );
726 std::map<double, AltitudePoint>::const_iterator it = sorted_points.begin(), last = sorted_points.end();
727 for( ; it!=last; it++ )
728 thePoints.push_back( it->second );
731 inline double max( double a, double b )
739 inline double min( double a, double b )
747 #include <BRepLib_MakeWire.hxx>
749 std::vector<HYDROData_Bathymetry::AltitudePoints> HYDROData_DTM::Interpolate
750 ( const Handle_Geom2d_BSplineCurve& theHydraulicAxis,
751 const Handle_HYDROData_Profile& theProfileA,
753 const Handle_HYDROData_Profile& theProfileB,
755 double theDDZ, int theNbSteps, bool isAddSecond,
756 int& inter_nb_1, int& inter_nb_2)
758 double zminA, zmaxA, zminB, zmaxB;
759 gp_Pnt lowestA, lowestB;
762 GetProperties( theProfileA, lowestA, dirA, false, zminA, zmaxA );
763 GetProperties( theProfileB, lowestB, dirB, false, zminB, zmaxB );
766 double hmax = max( zmaxA-zminA, zmaxB-zminB );
768 //double dz = zminB - zminA;
769 //double zmin = min( zminA, zminB );
770 //double zmax = max( zmaxA, zmaxB );
772 CurveUZ midA(0, gp_Vec2d(), 0), midB(0, gp_Vec2d(), 0);
773 CurveUZ widA(0, gp_Vec2d(), 0), widB(0, gp_Vec2d(), 0);
775 ProfileDiscretization( theProfileA, theXCurvA, zminA, zminA+hmax, theDDZ, midA, widA, inter_nb_1 );
776 ProfileDiscretization( theProfileB, theXCurvB, zminB, zminB+hmax, theDDZ, midB, widB, inter_nb_2 );
778 std::vector<CurveUZ> mid, wid;
779 Interpolate( midA, midB, theNbSteps, mid, isAddSecond );
780 Interpolate( widA, widB, theNbSteps, wid, isAddSecond );
782 size_t p = mid.size();
783 size_t q = p>0 ? 2*mid[0].size() : 1;
784 std::vector<AltitudePoints> points;
787 for( size_t i=0; i<p; i++ )
789 points[i].reserve( q );
790 CurveTo3D( theHydraulicAxis, mid[i], wid[i], points[i] );
796 HYDROData_Bathymetry::AltitudePoints HYDROData_DTM::Interpolate
797 ( const std::vector<Handle_HYDROData_Profile>& theProfiles,
798 double theDDZ, double theSpatialStep,
799 AltitudePoints& theLeft,
800 AltitudePoints& theRight,
801 std::vector<AltitudePoints>& theMainProfiles,
802 std::set<int>& invalInd)
804 AltitudePoints points;
805 size_t n = theProfiles.size();
809 std::vector<double> distances;
810 Handle_Geom2d_BSplineCurve aHydraulicAxis = CreateHydraulicAxis( theProfiles, distances );
811 if( aHydraulicAxis.IsNull() )
814 theMainProfiles.reserve( n );
816 for( size_t i=0, n1=n-1; i<n1; i++ )
818 double aDistance = distances[i+1]-distances[i];
819 int aNbSteps = int(aDistance/theSpatialStep);
820 bool isAddSecond = i==n1-1;
822 // 1. Calculate interpolated profiles
823 int inter_nb_1, inter_nb_2;
824 std::vector<AltitudePoints> local_points = Interpolate( aHydraulicAxis, theProfiles[i], distances[i],
825 theProfiles[i+1], distances[i+1], theDDZ, aNbSteps, isAddSecond, inter_nb_1, inter_nb_2 );
826 int lps = local_points.size();
832 invalInd.insert(i+1);
834 // 2. Put all points into the global container
835 for( size_t j=0; j<lps; j++ )
837 const AltitudePoints& lp = local_points[j];
839 points.reserve( lp.size() * n );
840 for( size_t k=0, ks=lp.size(); k<ks; k++ )
841 points.push_back( lp[k] );
844 // 3. Get left/right banks' points
847 theLeft.reserve( lps * n );
848 theRight.reserve( lps * n );
850 for( size_t j=0; j<lps; j++ )
852 const AltitudePoints& lp = local_points[j];
853 theLeft.push_back( lp[0] );
854 theRight.push_back( lp[lp.size()-1] );
857 // 4. Get main profiles points
858 theMainProfiles.push_back( local_points[0] );
860 theMainProfiles.push_back( local_points[lps-1] );
865 int HYDROData_DTM::EstimateNbPoints( const std::vector<Handle_HYDROData_Profile>& theProfiles,
866 double theDDZ, double theSpatialStep )
868 size_t n = theProfiles.size();
871 if( theDDZ<1E-6 || theSpatialStep<1E-6 )
874 std::vector<double> distances;
875 Handle_Geom2d_BSplineCurve aHydraulicAxis = CreateHydraulicAxis( theProfiles, distances );
876 if( aHydraulicAxis.IsNull() )
879 double aCompleteDistance = distances[n-1];
880 int aNbSteps = int( aCompleteDistance / theSpatialStep ) + 1;
884 GetProperties( theProfiles[0], aLowest, aDir, true, aZMin, aZMax );
885 int aNbZSteps = (aZMax-aZMin)/theDDZ;
887 if( aNbSteps > ( 1<<16 ) || aNbZSteps > ( 1<<16 ) )
890 return aNbSteps * aNbZSteps;