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 )
57 : myXcurv( theXCurv ), myProfileDir( theProfileDir )
61 HYDROData_DTM::CurveUZ::~CurveUZ()
65 double HYDROData_DTM::CurveUZ::Xcurv() const
70 gp_Vec2d HYDROData_DTM::CurveUZ::ProfileDir() const
75 HYDROData_DTM::CurveUZ HYDROData_DTM::CurveUZ::operator + ( const CurveUZ& c ) const
77 HYDROData_DTM::CurveUZ res( Xcurv() + c.Xcurv(), ProfileDir() + c.ProfileDir() );
80 for( int i=0; i<n; i++ )
83 p.U = operator[]( i ).U + c[i].U;
84 p.Z = operator[]( i ).Z;
90 HYDROData_DTM::CurveUZ HYDROData_DTM::CurveUZ::operator * ( double d ) const
92 HYDROData_DTM::CurveUZ res( Xcurv()*d, ProfileDir()*d );
95 for( int i=0; i<n; i++ )
98 p.U = operator[]( i ).U * d;
99 p.Z = operator[]( i ).Z;
108 HYDROData_DTM::HYDROData_DTM()
112 HYDROData_DTM::~HYDROData_DTM()
116 HYDROData_SequenceOfObjects HYDROData_DTM::GetProfiles() const
118 return GetReferenceObjects( DataTag_Profiles );
121 void HYDROData_DTM::SetProfiles( const HYDROData_SequenceOfObjects& theProfiles )
123 SetReferenceObjects( theProfiles, DataTag_Profiles );
126 double HYDROData_DTM::GetDDZ() const
128 return GetDouble( DataTag_DDZ );
131 void HYDROData_DTM::SetDDZ( double theDDZ )
133 SetDouble( DataTag_DDZ, theDDZ );
136 double HYDROData_DTM::GetSpatialStep() const
138 return GetDouble( DataTag_SpatialStep );
141 void HYDROData_DTM::SetSpatialStep( double theSpatialStep )
143 SetDouble( DataTag_SpatialStep, theSpatialStep );
146 void HYDROData_DTM::PointToWire(const AltitudePoints& pnts, TopoDS_Wire& W )
151 for (int i = 0; i < pnts.size() - 1; i++)
153 gp_Pnt p1(pnts[i].X, pnts[i].Y, pnts[i].Z);
154 gp_Pnt p2(pnts[i+1].X, pnts[i+1].Y, pnts[i+1].Z);
155 WM.Add(BRepLib_MakeEdge(p1, p2).Edge());
161 TopTools_IndexedMapOfOrientedShape HYDROData_DTM::Create3DShape(const AltitudePoints& left,
162 const AltitudePoints& right,
163 const std::vector<AltitudePoints>& main_profiles)
165 TopTools_IndexedMapOfOrientedShape ll;
166 TopoDS_Wire LWire, RWire;
167 PointToWire(left, LWire);
168 PointToWire(right, RWire);
170 ll.Add(LWire.Oriented(TopAbs_FORWARD));
172 for (int k = 0; k < main_profiles.size(); k++)
175 PointToWire(main_profiles[k], W);
176 TopAbs_Orientation Ori = TopAbs_INTERNAL;
177 if (k == 0 || k == main_profiles.size() - 1)
178 Ori = TopAbs_FORWARD;
179 ll.Add(W.Oriented(Ori));
183 ll.Add(RWire.Oriented(TopAbs_FORWARD));
184 //yes, add subshapes in this order (left + profiles + right)
185 //otherwise the projected wire will be non-manifold
191 void HYDROData_DTM::Update()
193 AltitudePoints points;
194 TopoDS_Shape Out3dPres;
195 TopoDS_Shape Out2dPres;
196 TopoDS_Shape OutLeftB;
197 TopoDS_Shape OutRightB;
198 TopoDS_Shape OutInlet;
199 TopoDS_Shape OutOutlet;
201 HYDROData_SequenceOfObjects objs = GetProfiles();
202 double ddz = GetDDZ();
203 double step = GetSpatialStep();
204 std::set<int> InvInd;
205 CreateProfilesFromDTM( objs, ddz, step, points, Out3dPres, Out2dPres, OutLeftB, OutRightB, OutInlet, OutOutlet, true, true, InvInd );
206 SetAltitudePoints( points );
208 SetShape( DataTag_LeftBankShape, OutLeftB);
209 SetShape( DataTag_RightBankShape, OutRightB);
210 SetShape( DataTag_InletShape, OutInlet);
211 SetShape( DataTag_OutletShape, OutOutlet );
212 SetShape( DataTag_3DShape, Out3dPres );
213 SetShape( DataTag_2DShape, Out2dPres );
215 HYDROData_Bathymetry::Update();
218 void HYDROData_DTM::GetPresentationShapes( TopoDS_Shape& Out3dPres,
219 TopoDS_Shape& Out2dPres,
220 TopoDS_Shape& OutLeftB,
221 TopoDS_Shape& OutRightB,
222 TopoDS_Shape& OutInlet,
223 TopoDS_Shape& OutOutlet )
226 OutLeftB = GetShape( DataTag_LeftBankShape);
227 OutRightB = GetShape( DataTag_RightBankShape);
228 OutInlet = GetShape( DataTag_InletShape);
229 OutOutlet = GetShape( DataTag_OutletShape );
230 Out3dPres = GetShape( DataTag_3DShape );
231 Out2dPres = GetShape( DataTag_2DShape );
234 void HYDROData_DTM::CreateProfilesFromDTM (const HYDROData_SequenceOfObjects& InpProfiles,
237 AltitudePoints& points,
238 TopoDS_Shape& Out3dPres,
239 TopoDS_Shape& Out2dPres,
240 TopoDS_Shape& OutLeftB,
241 TopoDS_Shape& OutRightB,
242 TopoDS_Shape& OutInlet,
243 TopoDS_Shape& OutOutlet,
246 std::set<int>& InvInd)
249 int aLower = InpProfiles.Lower(), anUpper = InpProfiles.Upper();
250 size_t n = anUpper - aLower + 1;
252 std::vector<Handle_HYDROData_Profile> profiles;
253 profiles.reserve( n );
254 for( int i=aLower; i<=anUpper; i++ )
256 Handle(HYDROData_Profile) aProfile = Handle(HYDROData_Profile)::DownCast( InpProfiles.Value( i ) );
257 if( !aProfile.IsNull() )
258 profiles.push_back( aProfile );
260 const double EPS = 1E-3;
262 AltitudePoints right;
263 std::vector<AltitudePoints> main_profiles;
265 if( ddz>EPS && step>EPS )
266 CreateProfiles(profiles, ddz, step, left, right, points, main_profiles,
267 Out3dPres, Out2dPres, OutLeftB, OutRightB, OutInlet, OutOutlet, Create3dPres, Create2dPres, InvInd );
270 void HYDROData_DTM::ProjWireOnPlane(const TopoDS_Wire& inpWire, const Handle_Geom_Plane& RefPlane, TopoDS_Wire& outWire)
272 //its also possible to use BrepAlgo_NormalProjection here!
273 BRepTools_WireExplorer ex(TopoDS::Wire(inpWire.Oriented(TopAbs_FORWARD)));
275 for (;ex.More();ex.Next())
277 const TopoDS_Edge& CE = ex.Current();
279 Handle(Geom_Curve) C3d = BRep_Tool::Curve(CE, f, l);
280 Handle(Geom_Curve) ProjectedCurve = GeomProjLib::ProjectOnPlane(new Geom_TrimmedCurve(C3d, f, l), RefPlane, RefPlane->Position().Direction(), Standard_True);
281 TopoDS_Edge ProjEdge = BRepLib_MakeEdge(ProjectedCurve);
282 WM.Add(ProjEdge); //auto sharing between edges if vertex is coincident
285 outWire.Orientation(inpWire.Orientation()); //take from the original wire
289 void HYDROData_DTM::Get2dFaceFrom3dPres(const TopoDS_Compound& cmp, TopoDS_Face& outF )
291 Handle_Geom_Plane refpl = new Geom_Plane(gp_Pnt(0,0,0), gp_Dir(0,0,1));
293 TopoDS_Iterator it(cmp);
294 //TopTools_IndexedMapOfShape IntW;
295 for (;it.More(); it.Next())
297 const TopoDS_Wire& W = TopoDS::Wire(it.Value());
298 if (W.Orientation() != TopAbs_INTERNAL)
300 //use list of edges to protect againts non-manifold cases.
301 //auto sharing between edges will be added automatically
302 TopTools_IndexedMapOfShape ME;
303 TopTools_ListOfShape LE;
304 TopExp::MapShapes(W, TopAbs_EDGE, ME);
305 for (int i = 1; i <= ME.Extent(); i++)
314 ProjWireOnPlane(WM.Wire(), refpl, outW);
315 BRepBuilderAPI_MakeFace mf(refpl, outW); //check inside is true by def
318 ///!!! the internal wires cant be added with 'internal' ori.
319 // it's possible to do with brep builder yet the result will not be correct!
320 // more proper way is to use BOP operation here.
321 /*for (int i = 1; i <= IntW.Extent(); i++)
324 const TopoDS_Wire& W = TopoDS::Wire(IntW(i));
325 ProjWireOnPlane(W, refpl, outIW);
330 void HYDROData_DTM::CreateProfiles(const std::vector<Handle_HYDROData_Profile>& theProfiles,
332 double theSpatialStep,
333 AltitudePoints& theOutLeft,
334 AltitudePoints& theOutRight,
335 AltitudePoints& theOutPoints,
336 std::vector<AltitudePoints>& theOutMainProfiles,
337 TopoDS_Shape& Out3dPres,
338 TopoDS_Shape& Out2dPres,
339 TopoDS_Shape& OutLeftB,
340 TopoDS_Shape& OutRightB,
341 TopoDS_Shape& OutInlet,
342 TopoDS_Shape& OutOutlet,
345 std::set<int>& InvInd)
347 if (theProfiles.empty())
349 theOutPoints = Interpolate( theProfiles, theDDZ, theSpatialStep, theOutLeft, theOutRight, theOutMainProfiles, InvInd );
350 //note that if Create3dPres is false => Create2dPres flag is meaningless!
353 TopTools_IndexedMapOfOrientedShape ll = Create3DShape( theOutLeft, theOutRight, theOutMainProfiles);
359 BB.MakeCompound(cmp);
360 for (int i = 1; i <= ll.Extent(); i++)
365 //same order as in HYDROData_DTM::Update()
367 OutRightB = ll(ll.Extent());
369 OutOutlet = ll(ll.Extent() - 1);
374 Get2dFaceFrom3dPres(cmp, outF);
383 void HYDROData_DTM::GetProperties( const Handle_HYDROData_Profile& theProfile,
384 gp_Pnt& theLowestPoint, gp_Vec2d& theDir,
386 double& theZMin, double& theZMax )
388 theLowestPoint = theProfile->GetBottomPoint();
391 theProfile->GetLeftPoint( aLeft, true, true );
392 theProfile->GetRightPoint( aRight, true, true );
393 double x = aRight.X()-aLeft.X();
394 double y = aRight.Y()-aLeft.Y();
396 theDir = gp_Vec2d( -y, x );
398 theDir = gp_Vec2d( x, y );
400 HYDROData_Profile::ProfilePoints points = theProfile->GetProfilePoints();
401 int lo = points.Lower();
402 int up = points.Upper();
403 theZMin = std::numeric_limits<double>::max();
405 for( int i=lo; i<=up; i++ )
407 double z = points.Value( i ).Z();
415 inline gp_Pnt2d To2D( const gp_Pnt& thePnt, const gp_Trsf& theTr,
416 double& theUMin, double& theUMax )
418 gp_Pnt p = thePnt.Transformed( theTr );
425 return gp_Pnt2d( u, z );
428 Handle(TColgp_HArray1OfPnt2d) To2D( const TColgp_Array1OfPnt& thePoints,
429 const gp_Trsf& theTr,
430 double& theUMin, double& theUMax )
432 int low = thePoints.Lower(), up = thePoints.Upper();
433 Handle(TColgp_HArray1OfPnt2d) points = new TColgp_HArray1OfPnt2d( low, up );
434 for( int i=low; i<=up; i++ )
435 points->SetValue( i, To2D( thePoints.Value( i ), theTr, theUMin, theUMax ) );
439 Handle(Geom2d_Curve) CurveTo2D( const Handle(Geom_Curve)& theCurve,
440 Standard_Real theFirst, Standard_Real theLast,
441 const gp_Trsf& theTr,
442 double& theUMin, double& theUMax )
444 if( theCurve->IsKind( STANDARD_TYPE( Geom_Line ) ) )
446 gp_Pnt aFirstPnt, aLastPnt;
447 theCurve->D0( theFirst, aFirstPnt );
448 theCurve->D0( theLast, aLastPnt );
451 aFirst2d = To2D( aFirstPnt, theTr, theUMin, theUMax ),
452 aLast2d = To2D( aLastPnt, theTr, theUMin, theUMax );
454 gp_Vec2d dir( aFirst2d, aLast2d );
455 Handle_Geom2d_Line aLine2d = new Geom2d_Line( aFirst2d, gp_Dir2d( dir.X(), dir.Y() ) );
456 return new Geom2d_TrimmedCurve( aLine2d, 0, aLast2d.Distance( aFirst2d ) );
459 if( theCurve->IsKind( STANDARD_TYPE( Geom_BSplineCurve ) ) )
461 Handle(Geom_BSplineCurve) aSpline = Handle(Geom_BSplineCurve)::DownCast( theCurve );
463 Handle(TColgp_HArray1OfPnt2d) poles = To2D( aSpline->Poles(), theTr, theUMin, theUMax );
464 const TColStd_Array1OfReal& knots = aSpline->Knots();
465 const TColStd_Array1OfInteger& multiplicities = aSpline->Multiplicities();
466 int aDegree = aSpline->Degree();
468 return new Geom2d_BSplineCurve( poles->Array1(), knots, multiplicities, aDegree );
471 return Handle(Geom2d_Curve)();
474 Handle_Geom2d_BSplineCurve HYDROData_DTM::CreateHydraulicAxis(
475 const std::vector<Handle_HYDROData_Profile>& theProfiles,
476 std::vector<double>& theDistances )
478 size_t n = theProfiles.size();
479 Handle_Geom2d_BSplineCurve aResult;
481 Handle(TColgp_HArray1OfPnt2d) points = new TColgp_HArray1OfPnt2d( 1, (int)n );
482 TColgp_Array1OfVec2d tangents( 1, (int)n );
483 Handle(TColStd_HArray1OfBoolean) flags = new TColStd_HArray1OfBoolean( 1, (int)n );
485 for( size_t i = 1; i <= n; i++ )
487 Handle_HYDROData_Profile aProfile = theProfiles[i-1];
493 GetProperties( aProfile, aLowest, aTangent, true, zmin, zmax );
494 aTangent.Normalize();
496 points->SetValue( (int)i, gp_Pnt2d( aLowest.X(), aLowest.Y() ) );
497 tangents.SetValue( (int)i, aTangent );
498 flags->SetValue( (int)i, Standard_True );
501 Geom2dAPI_Interpolate anInterpolator( points, Standard_False, Standard_False );
502 anInterpolator.Load( tangents, flags );
503 anInterpolator.Perform();
504 if( anInterpolator.IsDone() )
506 aResult = anInterpolator.Curve();
508 //fill the distances vector
509 Geom2dAdaptor_Curve anAdaptor( aResult );
511 theDistances.clear();
512 theDistances.reserve( n );
513 Standard_Real aParamFirst = anAdaptor.FirstParameter(), aParamLast = anAdaptor.LastParameter();
514 for( size_t i = 1; i <= n; i++ )
516 gp_Pnt2d aPnt = points->Value( (Standard_Integer)i );
517 Geom2dAPI_ProjectPointOnCurve aProject( aPnt, aResult );
518 Standard_Real aParam = aProject.LowerDistanceParameter();
519 double aDistance = GCPnts_AbscissaPoint::Length( anAdaptor, aParamFirst, aParam );
520 theDistances.push_back( aDistance );
526 std::vector<Handle_Geom2d_Curve> HYDROData_DTM::ProfileToParametric(
527 const Handle_HYDROData_Profile& theProfile,
528 double& theUMin, double& theUMax, gp_Vec2d& theDir )
530 std::vector<Handle_Geom2d_Curve> curves;
532 // Transformation of the coordinate systems
535 GetProperties( theProfile, aLowest, theDir, false, zmin, zmax );
538 gp_Ax3 aStd3d( gp_Pnt( 0, 0, 0 ), gp_Dir( 0, 0, 1 ), gp_Dir( 1, 0, 0 ) );
539 gp_Ax3 aLocal( aLowest, gp_Dir( 0, 0, 1 ), gp_Dir( theDir.X(), theDir.Y(), 0 ) );
542 aTransf.SetTransformation( aStd3d, aLocal );
544 // Iteration via edges
545 TopoDS_Wire aWire = TopoDS::Wire( theProfile->GetShape3D() );
546 TopExp_Explorer anExp( aWire, TopAbs_EDGE );
547 for( ; anExp.More(); anExp.Next() )
549 // Extract an edge from wire
550 TopoDS_Edge anEdge = TopoDS::Edge( anExp.Current() );
552 // Extract a curve corresponding to the edge
553 TopLoc_Location aLoc;
554 Standard_Real aFirst, aLast;
555 Handle(Geom_Curve) aCurve = BRep_Tool::Curve( anEdge, aLoc, aFirst, aLast );
557 // Convert the curve to 2d CS
558 Handle(Geom2d_Curve) aCurve2d = CurveTo2D( aCurve, aFirst, aLast, aTransf, theUMin, theUMax );
559 if( !aCurve2d.IsNull() )
560 curves.push_back( aCurve2d );
566 bool CalcMidWidth( const std::vector<gp_Pnt2d>& intersections, double& theMid, double& theWid )
568 double umin = std::numeric_limits<double>::max(),
571 size_t n = intersections.size();
575 for( size_t i = 0; i < n; i++ )
577 double u = intersections[i].X();
583 theMid = ( umin+umax )/2;
588 void HYDROData_DTM::ProfileDiscretization( const Handle_HYDROData_Profile& theProfile,
589 double theXCurv, double theMinZ, double theMaxZ, double theDDZ,
590 CurveUZ& theMidPointCurve,
591 CurveUZ& theWidthCurve,
592 int& intersection_nb,
595 double aDblMax = std::numeric_limits<double>::max(),
600 gp_Vec2d aProfileDir;
601 std::vector<Handle_Geom2d_Curve> curves = ProfileToParametric( theProfile, aUMin, aUMax, aProfileDir );
602 size_t n = curves.size();
607 // we add the "virtual" vertical lines to simulate the intersection with profile
608 gp_Pnt2d aFirst, aLast;
609 curves[0]->D0( curves[0]->FirstParameter(), aFirst );
610 curves[n-1]->D0( curves[n-1]->LastParameter(), aLast );
611 Handle(Geom2d_Line) aV1 = new Geom2d_Line( aFirst, gp_Dir2d( 0, 1 ) );
612 Handle(Geom2d_TrimmedCurve) aT1 = new Geom2d_TrimmedCurve( aV1, 0.0, aVMax );
614 Handle(Geom2d_Line) aV2 = new Geom2d_Line( aLast, gp_Dir2d( 0, 1 ) );
615 Handle(Geom2d_TrimmedCurve) aT2 = new Geom2d_TrimmedCurve( aV2, 0.0, aVMax );
617 curves.push_back( aT1 );
618 curves.push_back( aT2 );
620 int psize = ( int )( ( theMaxZ-theMinZ ) / theDDZ + 1 );
621 theMidPointCurve = CurveUZ( theXCurv, aProfileDir );
622 theMidPointCurve.reserve( psize );
623 theWidthCurve = CurveUZ( theXCurv, aProfileDir );
624 theWidthCurve.reserve( psize );
627 // for each discrete value of z we search intersection with profile
628 for( double z = theMinZ; z <= theMaxZ; z += theDDZ )
630 Handle(Geom2d_Line) aLine = new Geom2d_Line( gp_Pnt2d( 0, z ), gp_Dir2d( 1, 0 ) );
631 std::vector<gp_Pnt2d> intersections;
632 for( size_t i = 0; i < n; i++ )
634 Handle_Geom2d_Curve aCurve = curves[i];
635 Geom2dAPI_InterCurveCurve anIntersect( aCurve, aLine, theTolerance );
636 for( int k=1, m=anIntersect.NbPoints(); k<=m; k++ )
637 intersections.push_back( anIntersect.Point( k ) );
640 intersection_nb = intersections.size();
641 if( intersection_nb >= 2 )
644 if( !CalcMidWidth( intersections, u_mid, u_wid ) )
650 theMidPointCurve.push_back( p_mid );
655 theWidthCurve.push_back( p_wid );
660 void HYDROData_DTM::Interpolate( const CurveUZ& theCurveA, const CurveUZ& theCurveB,
661 int theNbSteps, std::vector<CurveUZ>& theInterpolation,
664 theInterpolation.clear();
665 int d = isAddSecond ? 2 : 1;
666 theInterpolation.reserve( theNbSteps+d );
667 double dt = 1.0 / double( theNbSteps + 1 );
669 theInterpolation.push_back( theCurveA );
670 for( int i=0; i<theNbSteps; i++, t+=dt )
672 CurveUZ anInterp = theCurveA*(1-t) + theCurveB*t;
673 theInterpolation.push_back( anInterp );
676 theInterpolation.push_back( theCurveB );
678 #include <BRepLib_MakeEdge2d.hxx>
679 void HYDROData_DTM::CurveTo3D( const Handle_Geom2d_BSplineCurve& theHydraulicAxis,
680 const CurveUZ& theMidCurve, const CurveUZ& theWidthCurve,
681 AltitudePoints& thePoints, double dz )
683 Geom2dAdaptor_Curve anAdaptor( theHydraulicAxis );
684 TopoDS_Edge E2d = BRepLib_MakeEdge2d(theHydraulicAxis).Edge();
685 GCPnts_AbscissaPoint ap( anAdaptor, theMidCurve.Xcurv(), anAdaptor.FirstParameter() );
686 double aParam = ap.Parameter();
689 anAdaptor.D0( aParam, point );
690 gp_Vec2d profile_dir = theMidCurve.ProfileDir();
691 gp_Dir tangent_n( -profile_dir.Y(), profile_dir.X(), dz );
692 profile_dir.Normalize();
694 size_t n = theMidCurve.size();
695 std::map<double, AltitudePoint> sorted_points;
696 for( size_t i=0; i<n; i++ )
698 double param1 = theMidCurve[i].U - theWidthCurve[i].U / 2;
699 double param2 = theMidCurve[i].U + theWidthCurve[i].U / 2;
701 gp_Pnt2d p1 = point.Translated( param1 * profile_dir);
702 gp_Pnt2d p2 = point.Translated( param2 * profile_dir);
704 double z = theMidCurve[i].Z;
706 AltitudePoint p3d_1( p1.X(), p1.Y(), z ), p3d_2( p2.X(), p2.Y(), z );
708 sorted_points[param1] = p3d_1;
709 sorted_points[param2] = p3d_2;
712 thePoints.reserve( sorted_points.size() );
713 std::map<double, AltitudePoint>::const_iterator it = sorted_points.begin(), last = sorted_points.end();
714 for( ; it!=last; it++ )
715 thePoints.push_back( it->second );
718 inline double max( double a, double b )
726 #include <BRepLib_MakeWire.hxx>
728 std::vector<HYDROData_Bathymetry::AltitudePoints> HYDROData_DTM::Interpolate
729 ( const Handle_Geom2d_BSplineCurve& theHydraulicAxis,
730 const Handle_HYDROData_Profile& theProfileA,
732 const Handle_HYDROData_Profile& theProfileB,
734 double theDDZ, int theNbSteps, bool isAddSecond,
735 int& inter_nb_1, int& inter_nb_2)
737 double zminA, zmaxA, zminB, zmaxB;
738 gp_Pnt lowestA, lowestB;
741 GetProperties( theProfileA, lowestA, dirA, false, zminA, zmaxA );
742 GetProperties( theProfileB, lowestB, dirB, false, zminB, zmaxB );
744 double dz = zminB - zminA;
746 double zmin = max( zminA, zminB );
747 double zmax = max( zmaxA, zmaxB );
749 CurveUZ midA(0, gp_Vec2d()), midB(0, gp_Vec2d());
750 CurveUZ widA(0, gp_Vec2d()), widB(0, gp_Vec2d());
752 ProfileDiscretization( theProfileA, theXCurvA, zmin, zmax, theDDZ, midA, widA, inter_nb_1 );
753 ProfileDiscretization( theProfileB, theXCurvB, zmin, zmax, theDDZ, midB, widB, inter_nb_2 );
755 std::vector<CurveUZ> mid, wid;
756 Interpolate( midA, midB, theNbSteps, mid, isAddSecond );
757 Interpolate( widA, widB, theNbSteps, wid, isAddSecond );
759 size_t p = mid.size();
760 size_t q = p>0 ? 2*mid[0].size() : 1;
761 std::vector<AltitudePoints> points;
764 for( size_t i=0; i<p; i++ )
766 points[i].reserve( q );
767 CurveTo3D( theHydraulicAxis, mid[i], wid[i], points[i], dz );
773 HYDROData_Bathymetry::AltitudePoints HYDROData_DTM::Interpolate
774 ( const std::vector<Handle_HYDROData_Profile>& theProfiles,
775 double theDDZ, double theSpatialStep,
776 AltitudePoints& theLeft,
777 AltitudePoints& theRight,
778 std::vector<AltitudePoints>& theMainProfiles,
779 std::set<int>& invalInd)
781 AltitudePoints points;
782 size_t n = theProfiles.size();
786 std::vector<double> distances;
787 Handle_Geom2d_BSplineCurve aHydraulicAxis = CreateHydraulicAxis( theProfiles, distances );
788 if( aHydraulicAxis.IsNull() )
791 theMainProfiles.reserve( n );
793 for( size_t i=0, n1=n-1; i<n1; i++ )
795 double aDistance = distances[i+1]-distances[i];
796 int aNbSteps = int(aDistance/theSpatialStep);
797 bool isAddSecond = i==n1-1;
799 // 1. Calculate interpolated profiles
800 int inter_nb_1, inter_nb_2;
801 std::vector<AltitudePoints> local_points = Interpolate( aHydraulicAxis, theProfiles[i], distances[i],
802 theProfiles[i+1], distances[i+1], theDDZ, aNbSteps, isAddSecond, inter_nb_1, inter_nb_2 );
803 int lps = local_points.size();
809 invalInd.insert(i+1);
811 // 2. Put all points into the global container
812 for( size_t j=0; j<lps; j++ )
814 const AltitudePoints& lp = local_points[j];
816 points.reserve( lp.size() * n );
817 for( size_t k=0, ks=lp.size(); k<ks; k++ )
818 points.push_back( lp[k] );
821 // 3. Get left/right banks' points
824 theLeft.reserve( lps * n );
825 theRight.reserve( lps * n );
827 for( size_t j=0; j<lps; j++ )
829 const AltitudePoints& lp = local_points[j];
830 theLeft.push_back( lp[0] );
831 theRight.push_back( lp[lp.size()-1] );
834 // 4. Get main profiles points
835 theMainProfiles.push_back( local_points[0] );
837 theMainProfiles.push_back( local_points[lps-1] );