#include <Geom2d_TrimmedCurve.hxx>
#include <Geom_BSplineCurve.hxx>
#include <Geom2d_BSplineCurve.hxx>
+#include <GeomAPI_Interpolate.hxx>
#include <TColStd_Array1OfReal.hxx>
#include <TColStd_Array1OfInteger.hxx>
#include <TColgp_Array1OfPnt.hxx>
+#include <TColgp_Array1OfVec.hxx>
+#include <TColgp_HArray1OfPnt.hxx>
#include <Geom2dAPI_InterCurveCurve.hxx>
#include <Geom2dAPI_ProjectPointOnCurve.hxx>
#include <Geom2dAdaptor_Curve.hxx>
#include <GCPnts_AbscissaPoint.hxx>
+#include <BRepBuilderAPI_MakeEdge.hxx>
#include <limits>
+#include <BRepLib_MakeEdge.hxx>
+#include <BRepLib_MakeWire.hxx>
+#include <BRep_Builder.hxx>
+#include <GeomProjLib.hxx>
+#include <Geom_TrimmedCurve.hxx>
+#include <Geom_Plane.hxx>
+#include <BRepTools_WireExplorer.hxx>
+#include <TopTools_IndexedMapOfShape.hxx>
+#include <BRepBuilderAPI_MakeFace.hxx>
+#include <TopExp.hxx>
+#include <TopTools_IndexedMapOfOrientedShape.hxx>
+
+#include <BRepLib_MakeEdge.hxx>
+#include <BRepLib_MakeWire.hxx>
+#include <BRep_Builder.hxx>
+#include <ShapeAnalysis_Wire.hxx>
+#include <BRepAlgo_NormalProjection.hxx>
+#include <ShapeUpgrade_UnifySameDomain.hxx>
+#include <BRepBuilderAPI_MakePolygon.hxx>
+#include <BOPAlgo_Builder.hxx>
+
+#include <TopTools_IndexedDataMapOfShapeShape.hxx>
+#include <TopTools_ListIteratorOfListOfShape.hxx>
+#include <TopTools_SequenceOfShape.hxx>
+
IMPLEMENT_STANDARD_HANDLE( HYDROData_DTM, HYDROData_Bathymetry )
IMPLEMENT_STANDARD_RTTIEXT( HYDROData_DTM, HYDROData_Bathymetry )
-
-HYDROData_DTM::CurveUZ::CurveUZ( double theXCurv )
- : myXcurv( theXCurv )
+HYDROData_DTM::CurveUZ::CurveUZ( double theXCurv, const gp_Vec2d& theProfileDir, double theDeltaZ )
+ : myXcurv( theXCurv ), myProfileDir( theProfileDir ), myDeltaZ( theDeltaZ )
{
}
return myXcurv;
}
+gp_Vec2d HYDROData_DTM::CurveUZ::ProfileDir() const
+{
+ return myProfileDir;
+}
+
+double HYDROData_DTM::CurveUZ::DeltaZ() const
+{
+ return myDeltaZ;
+}
+
HYDROData_DTM::CurveUZ HYDROData_DTM::CurveUZ::operator + ( const CurveUZ& c ) const
{
- HYDROData_DTM::CurveUZ res( Xcurv() + c.Xcurv() );
- size_t n = size();
+ HYDROData_DTM::CurveUZ res( Xcurv() + c.Xcurv(), ProfileDir() + c.ProfileDir(), DeltaZ() + c.DeltaZ() );
+ size_t n = size(), n1 = c.size();
+ if( n!=n1 )
+ {
+ std::cout << "Warning: different number of points in curves: " << n << ", " << n1 << std::endl;
+ }
res.reserve( n );
for( int i=0; i<n; i++ )
{
HYDROData_DTM::CurveUZ HYDROData_DTM::CurveUZ::operator * ( double d ) const
{
- HYDROData_DTM::CurveUZ res( Xcurv()*d );
+ HYDROData_DTM::CurveUZ res( Xcurv()*d, ProfileDir()*d, DeltaZ()*d );
size_t n = size();
res.reserve( n );
for( int i=0; i<n; i++ )
+
HYDROData_DTM::HYDROData_DTM()
{
}
void HYDROData_DTM::SetProfiles( const HYDROData_SequenceOfObjects& theProfiles )
{
SetReferenceObjects( theProfiles, DataTag_Profiles );
+ Changed( Geom_3d );
}
double HYDROData_DTM::GetDDZ() const
void HYDROData_DTM::SetDDZ( double theDDZ )
{
SetDouble( DataTag_DDZ, theDDZ );
+ Changed( Geom_3d );
}
double HYDROData_DTM::GetSpatialStep() const
void HYDROData_DTM::SetSpatialStep( double theSpatialStep )
{
SetDouble( DataTag_SpatialStep, theSpatialStep );
+ Changed( Geom_3d );
+}
+
+void HYDROData_DTM::PointToWire(const AltitudePoints& pnts, TopoDS_Wire& W )
+{
+ /*BRepLib_MakeWire WM;
+ if (pnts.empty())
+ return;
+ for (int i = 0; i < pnts.size() - 1; i++)
+ {
+ gp_Pnt p1(pnts[i].X, pnts[i].Y, pnts[i].Z);
+ gp_Pnt p2(pnts[i+1].X, pnts[i+1].Y, pnts[i+1].Z);
+ WM.Add(BRepLib_MakeEdge(p1, p2).Edge());
+ }
+ if (WM.IsDone())*/
+
+ BRepBuilderAPI_MakePolygon PM;
+ for (int i = 0; i < pnts.size(); i++)
+ PM.Add(gp_Pnt(pnts[i].X, pnts[i].Y, pnts[i].Z));
+
+ W = PM.Wire();
+}
+
+TopTools_IndexedMapOfOrientedShape HYDROData_DTM::Create3DShape(const AltitudePoints& left,
+ const AltitudePoints& right,
+ const std::vector<AltitudePoints>& main_profiles)
+{
+ TopTools_IndexedMapOfOrientedShape ll;
+ TopoDS_Wire LWire, RWire;
+ PointToWire(left, LWire);
+ PointToWire(right, RWire);
+ if (!LWire.IsNull())
+ ll.Add(LWire.Oriented(TopAbs_FORWARD));
+
+ for (int k = 0; k < main_profiles.size(); k++)
+ {
+ TopoDS_Wire W;
+ PointToWire(main_profiles[k], W);
+ TopAbs_Orientation Ori = TopAbs_INTERNAL;
+ if (k == 0 || k == main_profiles.size() - 1)
+ Ori = TopAbs_FORWARD;
+ ll.Add(W.Oriented(Ori));
+ }
+
+ if (!RWire.IsNull())
+ ll.Add(RWire.Oriented(TopAbs_FORWARD));
+ //yes, add subshapes in this order (left + profiles + right)
+ //otherwise the projected wire will be non-manifold
+
+ return ll;
}
+
void HYDROData_DTM::Update()
{
- HYDROData_SequenceOfObjects objs = GetProfiles();
- int aLower = objs.Lower(), anUpper = objs.Upper();
- size_t n = anUpper-aLower+1;
+ AltitudePoints points;
+ TopoDS_Shape Out3dPres;
+ TopoDS_Shape Out2dPres;
+ TopoDS_Shape OutLeftB;
+ TopoDS_Shape OutRightB;
+ TopoDS_Shape OutInlet;
+ TopoDS_Shape OutOutlet;
+
+ HYDROData_SequenceOfObjects objs = GetProfiles();
+ double ddz = GetDDZ();
+ double step = GetSpatialStep();
+ std::set<int> InvInd;
+ bool WireIntersections; //__TODO
+ CreateProfilesFromDTM( objs, ddz, step, points, Out3dPres, Out2dPres, OutLeftB, OutRightB, OutInlet, OutOutlet, true, true, InvInd, -1, WireIntersections );
+ SetAltitudePoints( points );
+
+ SetShape( DataTag_LeftBankShape, OutLeftB);
+ SetShape( DataTag_RightBankShape, OutRightB);
+ SetShape( DataTag_InletShape, OutInlet);
+ SetShape( DataTag_OutletShape, OutOutlet );
+ SetShape( DataTag_3DShape, Out3dPres );
+ SetShape( DataTag_2DShape, Out2dPres );
+
+ HYDROData_Bathymetry::Update();
+}
+
+void HYDROData_DTM::GetPresentationShapes( TopoDS_Shape& Out3dPres,
+ TopoDS_Shape& Out2dPres,
+ TopoDS_Shape& OutLeftB,
+ TopoDS_Shape& OutRightB,
+ TopoDS_Shape& OutInlet,
+ TopoDS_Shape& OutOutlet )
+{
+ //without update!
+ OutLeftB = GetShape( DataTag_LeftBankShape);
+ OutRightB = GetShape( DataTag_RightBankShape);
+ OutInlet = GetShape( DataTag_InletShape);
+ OutOutlet = GetShape( DataTag_OutletShape );
+ Out3dPres = GetShape( DataTag_3DShape );
+ Out2dPres = GetShape( DataTag_2DShape );
+}
+void HYDROData_DTM::CreateProfilesFromDTM (const HYDROData_SequenceOfObjects& InpProfiles,
+ double ddz,
+ double step,
+ AltitudePoints& points,
+ TopoDS_Shape& Out3dPres,
+ TopoDS_Shape& Out2dPres,
+ TopoDS_Shape& OutLeftB,
+ TopoDS_Shape& OutRightB,
+ TopoDS_Shape& OutInlet,
+ TopoDS_Shape& OutOutlet,
+ bool Create3dPres,
+ bool Create2dPres,
+ std::set<int>& InvInd,
+ int thePntsLimit,
+ bool& WireIntersections)
+{
+ int aLower = InpProfiles.Lower(), anUpper = InpProfiles.Upper();
+ size_t n = anUpper - aLower + 1;
std::vector<Handle_HYDROData_Profile> profiles;
- profiles.reserve( n );
+ profiles.reserve( n );
for( int i=aLower; i<=anUpper; i++ )
{
- Handle(HYDROData_Profile) aProfile = Handle(HYDROData_Profile)::DownCast( objs.Value( i ) );
+ Handle(HYDROData_Profile) aProfile = Handle(HYDROData_Profile)::DownCast( InpProfiles.Value( i ) );
if( !aProfile.IsNull() )
profiles.push_back( aProfile );
}
-
- double ddz = GetDDZ();
- double step = GetSpatialStep();
const double EPS = 1E-3;
- AltitudePoints points;
+ AltitudePoints left;
+ AltitudePoints right;
+ std::vector<AltitudePoints> main_profiles;
+
+ if( thePntsLimit > 0 )
+ {
+ int aNbPoints = EstimateNbPoints( profiles, ddz, step );
+ if( aNbPoints < 0 || aNbPoints > thePntsLimit )
+ return;
+ }
+
if( ddz>EPS && step>EPS )
- points = Interpolate( profiles, ddz, step );
- SetAltitudePoints( points );
+ CreateProfiles(profiles, ddz, step, left, right, points, main_profiles,
+ Out3dPres, Out2dPres, OutLeftB, OutRightB, OutInlet, OutOutlet, Create3dPres, Create2dPres, InvInd, WireIntersections );
}
+void HYDROData_DTM::ProjWireOnPlane(const TopoDS_Shape& inpWire, const Handle_Geom_Plane& RefPlane,
+ TopTools_DataMapOfShapeListOfShape* E2PE)
+{
+ BRep_Builder BB;
+
+ //project shape (edges) on planar face
+ TopoDS_Face F;
+ BB.MakeFace(F, RefPlane, Precision::Confusion());
+ BRepAlgo_NormalProjection nproj(F);
+ nproj.Add(inpWire);
+ nproj.SetDefaultParams();
+ nproj.Build();
+ if(!nproj.IsDone())
+ return;
+ TopoDS_Shape projRes = nproj.Projection();
+ // unite all vertexes/edges from projected result
+ BOPAlgo_Builder anAlgo;
+ TopExp_Explorer exp(projRes, TopAbs_EDGE);
+ for (;exp.More(); exp.Next())
+ {
+ const TopoDS_Edge& E = TopoDS::Edge(exp.Current());
+ if (E.Orientation() != TopAbs_INTERNAL)
+ anAlgo.AddArgument(E);
+ }
+ anAlgo.Perform();
+ int stat = anAlgo.ErrorStatus();
+ TopoDS_Shape projResConn = anAlgo.Shape();
+
+ // make wire => vertexes and edges should be untouched after this operation!
+ exp.Init(projResConn, TopAbs_EDGE);
+ //TopTools_ListOfShape llE;
+ //TopoDS_Wire RW;
+ //BRepLib_MakeWire WM;
+
+ //for (;exp.More();exp.Next())
+ // llE.Append(exp.Current());
+ //
+ //WM.Add(llE);
+ //outWire = WM.Wire();
+
+ //outWire.Orientation(inpWire.Orientation()); //take from the original wire
+
+ //history mode: edge to projected edges
+ if (E2PE)
+ {
+ TopExp_Explorer ex(inpWire, TopAbs_EDGE);
+ for (;ex.More();ex.Next())
+ {
+ const TopoDS_Edge& CE = TopoDS::Edge(ex.Current());
+ TopTools_ListOfShape NEL;
+ const TopTools_ListOfShape& LS = nproj.Generated(CE);
+ TopTools_ListIteratorOfListOfShape it(LS);
+ for (;it.More();it.Next())
+ {
+ const TopoDS_Shape& PCE = it.Value();
+ TopTools_ListOfShape PLS = anAlgo.Modified(PCE);
+ if (PLS.IsEmpty())
+ PLS.Append(PCE);
+ TopTools_ListIteratorOfListOfShape itp(PLS);
+ for (;itp.More();itp.Next())
+ NEL.Append(itp.Value());
+ }
+
+ E2PE->Bind(CE, NEL);
+ }
+ }
+}
+#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
+bool HYDROData_DTM::Get2dFaceFrom3dPres(const TopoDS_Compound& cmp, TopoDS_Face& outF,
+ TopTools_SequenceOfShape* Boundr, std::set<int> ind )
+{
+ //ind : set of indices (starts with 0). index == number of boundary (inlet, outlet, etc..)
+ //in compound cmp.
+ //if Boundr is not null => this method will return sequence of boundary wires (inlet, outlet...)
+
+ Handle_Geom_Plane refpl = new Geom_Plane(gp_Pnt(0,0,0), gp_Dir(0,0,1));
+ TopTools_DataMapOfShapeListOfShape E2PE;
+ ProjWireOnPlane(cmp, refpl, &E2PE);
+ TopTools_ListOfShape ELL;
+
+ TopoDS_Iterator it(cmp);
+ int i = 0;
+ for (;it.More(); it.Next())
+ {
+ const TopoDS_Wire& W = TopoDS::Wire(it.Value());
+ if (W.Orientation() != TopAbs_INTERNAL)
+ {
+ TopoDS_Wire PW;
+ TopExp_Explorer ex(W, TopAbs_EDGE);
+ TopTools_ListOfShape LEpW;
+ TopTools_ListOfShape LEpWDummy;
+ for (;ex.More();ex.Next())
+ {
+ const TopoDS_Edge& CE = TopoDS::Edge(ex.Current());
+ TopTools_ListOfShape LS = E2PE.Find(CE);
+ LEpW.Append(LS);
+ }
+
+ if (ind.count(i) != 0)
+ {
+ BRepLib_MakeWire WM;
+ WM.Add(LEpW);
+ const TopoDS_Wire& WMW = WM.Wire();
+ //assume that wire is a straight line,
+ //take first and last vertex and make simple edge (RE)
+ TopoDS_Vertex VF, VL;
+ TopExp::Vertices(WMW, VF, VL);
+ TopoDS_Edge RE = BRepLib_MakeEdge(VF, VL).Edge();
+ if (RE.IsNull())
+ {
+ LEpWDummy = LEpW; //LEpW will be nullified after appending to ELL
+ ELL.Append(LEpW);
+ }
+ else
+ {
+ LEpWDummy.Append(RE);
+ ELL.Append(RE);
+ }
+ //TODO: in the new version of OCCT, USD can process separate wires
+ //ShapeUpgrade_UnifySameDomain USD(WMW, 1U, 0U, 1U); //concat bsplines
+ //USD.Build();
+ //const TopoDS_Shape& RSU = USD.Shape();
+ //TopExp_Explorer exp(RSU, TopAbs_EDGE);
+ //TopTools_ListOfShape DummyL;
+ //for (;it.More();it.Next())
+ // DummyL.Append(it.Value());
+ //if (DummyL.Extent() == 1)
+ // ELL.Append(DummyL.First()); //if one edge => accept this result
+ //else
+ // ELL.Append(LEpW); //else put 'as is'
+ }
+ else
+ {
+ LEpWDummy = LEpW;
+ ELL.Append(LEpW);
+ }
+
+ if (Boundr)
+ {
+ //make inlet, outlet, left/tight banks [wires]
+ //shouldn't change topology of the edges
+ BRepLib_MakeWire IWM;
+ IWM.Add(LEpWDummy);
+ Boundr->Append(IWM.Wire());
+ }
+ }
+ i++;
+ }
+ //make primary wire
+ BRepLib_MakeWire WME;
+ WME.Add(ELL);
+ const TopoDS_Wire& resW = WME.Wire();
+ BRepBuilderAPI_MakeFace mf(refpl, resW, true); //check inside is true by def
+ outF = mf.Face();
+ ShapeAnalysis_Wire WA(resW, outF, Precision::Confusion());
+ bool res = WA.CheckSelfIntersection(); //TODO check that this return false if OK
+ return res;
+
+ ///!!! the internal wires cant be added with 'internal' ori.
+ // it's possible to do with brep builder yet the result will not be correct!
+ // more proper way is to use BOP operation here.
+ /*for (int i = 1; i <= IntW.Extent(); i++)
+ {
+ TopoDS_Wire outIW;
+ const TopoDS_Wire& W = TopoDS::Wire(IntW(i));
+ ProjWireOnPlane(W, refpl, outIW);
+ BB.Add(outF, outIW);
+ }*/
+}
+
+void HYDROData_DTM::CreateProfiles(const std::vector<Handle_HYDROData_Profile>& theProfiles,
+ double theDDZ,
+ double theSpatialStep,
+ AltitudePoints& theOutLeft,
+ AltitudePoints& theOutRight,
+ AltitudePoints& theOutPoints,
+ std::vector<AltitudePoints>& theOutMainProfiles,
+ TopoDS_Shape& Out3dPres,
+ TopoDS_Shape& Out2dPres,
+ TopoDS_Shape& OutLeftB,
+ TopoDS_Shape& OutRightB,
+ TopoDS_Shape& OutInlet,
+ TopoDS_Shape& OutOutlet,
+ bool Create3dPres,
+ bool Create2dPres,
+ std::set<int>& InvInd,
+ bool& WireIntersections)
+{
+ if (theProfiles.empty())
+ return;
+ theOutPoints = Interpolate( theProfiles, theDDZ, theSpatialStep, theOutLeft, theOutRight, theOutMainProfiles, InvInd );
+ //note that if Create3dPres is false => Create2dPres flag is meaningless!
+ if (Create3dPres)
+ {
+ TopTools_IndexedMapOfOrientedShape ll = Create3DShape( theOutLeft, theOutRight, theOutMainProfiles);
+
+ if (ll.IsEmpty())
+ return;
+ BRep_Builder BB;
+ TopoDS_Compound cmp;
+ BB.MakeCompound(cmp);
+ for (int i = 1; i <= ll.Extent(); i++)
+ BB.Add(cmp, ll(i));
+
+ Out3dPres = cmp;
+
+ //same order as in HYDROData_DTM::Update()
+ OutLeftB = ll(1);
+ OutRightB = ll(ll.Extent());
+ OutInlet = ll(2);
+ OutOutlet = ll(ll.Extent() - 1);
+
+ if (Create2dPres)
+ {
+ TopoDS_Face outF;
+ WireIntersections = Get2dFaceFrom3dPres(cmp, outF); //__TODO
+ Out2dPres = outF;
+ };
+ }
+}
Standard_Real aParamFirst = anAdaptor.FirstParameter(), aParamLast = anAdaptor.LastParameter();
for( size_t i = 1; i <= n; i++ )
{
- gp_Pnt2d aPnt = points->Value( i );
+ gp_Pnt2d aPnt = points->Value( (Standard_Integer)i );
Geom2dAPI_ProjectPointOnCurve aProject( aPnt, aResult );
Standard_Real aParam = aProject.LowerDistanceParameter();
double aDistance = GCPnts_AbscissaPoint::Length( anAdaptor, aParamFirst, aParam );
std::vector<Handle_Geom2d_Curve> HYDROData_DTM::ProfileToParametric(
const Handle_HYDROData_Profile& theProfile,
- double& theUMin, double& theUMax )
+ double& theUMin, double& theUMax, gp_Vec2d& theDir )
{
std::vector<Handle_Geom2d_Curve> curves;
// Transformation of the coordinate systems
gp_Pnt aLowest;
- gp_Vec2d aDir;
double zmin, zmax;
- GetProperties( theProfile, aLowest, aDir, false, zmin, zmax );
+ GetProperties( theProfile, aLowest, theDir, false, zmin, zmax );
gp_Ax3 aStd3d( gp_Pnt( 0, 0, 0 ), gp_Dir( 0, 0, 1 ), gp_Dir( 1, 0, 0 ) );
- gp_Ax3 aLocal( aLowest, gp_Dir( 0, 0, 1 ), gp_Dir( aDir.X(), aDir.Y(), 0 ) );
+ gp_Ax3 aLocal( gp_Pnt( aLowest.X(), aLowest.Y(), 0 ), gp_Dir( 0, 0, 1 ), gp_Dir( theDir.X(), theDir.Y(), 0 ) );
gp_Trsf aTransf;
aTransf.SetTransformation( aStd3d, aLocal );
}
-double CalcGC( const std::vector<gp_Pnt2d>& intersections )
-{
- double u = 0;
- size_t n = intersections.size();
- for( size_t i = 0; i < n; i++ )
- {
- u += intersections[i].X();
- }
- u /= n;
- return u;
-}
-
-double CalcWidth( const std::vector<gp_Pnt2d>& intersections )
+bool CalcMidWidth( const std::set<double>& intersections, double& theMid, double& theWid )
{
double umin = std::numeric_limits<double>::max(),
umax = -umin;
size_t n = intersections.size();
- if( n <= 1 )
- return 0;
+ if( n <= 0 )
+ return false;
- for( size_t i = 0; i < n; i++ )
+ std::set<double>::const_iterator it = intersections.begin(), last = intersections.end();
+ for( ; it!=last; it++ )
{
- double u = intersections[i].X();
+ double u = *it;
if( u<umin )
umin = u;
if( u>umax )
umax = u;
}
- return umax-umin;
+ theMid = ( umin+umax )/2;
+ theWid = umax-umin;
+ return true;
}
void HYDROData_DTM::ProfileDiscretization( const Handle_HYDROData_Profile& theProfile,
double theXCurv, double theMinZ, double theMaxZ, double theDDZ,
CurveUZ& theMidPointCurve,
- CurveUZ& theWidthCurve,
- double theTolerance )
+ CurveUZ& theWidthCurve,
+ int& intersection_nb,
+ double theTolerance)
{
double aDblMax = std::numeric_limits<double>::max(),
aUMin = aDblMax,
aUMax = -aUMin,
aVMax = 1000000;
- std::vector<Handle_Geom2d_Curve> curves = ProfileToParametric( theProfile, aUMin, aUMax );
+ gp_Vec2d aProfileDir;
+ std::vector<Handle_Geom2d_Curve> curves = ProfileToParametric( theProfile, aUMin, aUMax, aProfileDir );
size_t n = curves.size();
if( n==0 )
curves.push_back( aT2 );
int psize = ( int )( ( theMaxZ-theMinZ ) / theDDZ + 1 );
- theMidPointCurve = CurveUZ( theXCurv );
+ theMidPointCurve = CurveUZ( theXCurv, aProfileDir, theMinZ );
theMidPointCurve.reserve( psize );
- theWidthCurve = CurveUZ( theXCurv );
+ theWidthCurve = CurveUZ( theXCurv, aProfileDir, theMinZ );
theWidthCurve.reserve( psize );
n = curves.size();
// for each discrete value of z we search intersection with profile
- for( double z = theMinZ; z <= theMaxZ; z += theDDZ )
+ for( double z1 = theMinZ; z1 <= theMaxZ; z1 += theDDZ )
{
- Handle(Geom2d_Line) aLine = new Geom2d_Line( gp_Pnt2d( 0, z ), gp_Dir2d( 1, 0 ) );
- std::vector<gp_Pnt2d> intersections;
+ Handle(Geom2d_Line) aLine = new Geom2d_Line( gp_Pnt2d( 0, z1 ), gp_Dir2d( 1, 0 ) );
+ std::set<double> intersections;
for( size_t i = 0; i < n; i++ )
{
Handle_Geom2d_Curve aCurve = curves[i];
Geom2dAPI_InterCurveCurve anIntersect( aCurve, aLine, theTolerance );
for( int k=1, m=anIntersect.NbPoints(); k<=m; k++ )
- intersections.push_back( anIntersect.Point( k ) );
+ intersections.insert( anIntersect.Point( k ).X() );
}
- if( intersections.size() >= 2 )
+ intersection_nb = intersections.size();
+ if( intersection_nb >= 1 )
{
- double u_mid = CalcGC( intersections );
+ double u_mid, u_wid;
+ if( !CalcMidWidth( intersections, u_mid, u_wid ) )
+ continue;
+
+ double z = z1 - theMinZ;
PointUZ p_mid;
p_mid.U = u_mid;
p_mid.Z = z;
theMidPointCurve.push_back( p_mid );
- double u_wid = CalcWidth( intersections );
PointUZ p_wid;
p_wid.U = u_wid;
p_wid.Z = z;
if( isAddSecond )
theInterpolation.push_back( theCurveB );
}
-
+#include <BRepLib_MakeEdge2d.hxx>
void HYDROData_DTM::CurveTo3D( const Handle_Geom2d_BSplineCurve& theHydraulicAxis,
const CurveUZ& theMidCurve, const CurveUZ& theWidthCurve,
AltitudePoints& thePoints )
{
Geom2dAdaptor_Curve anAdaptor( theHydraulicAxis );
+ TopoDS_Edge E2d = BRepLib_MakeEdge2d(theHydraulicAxis).Edge();
GCPnts_AbscissaPoint ap( anAdaptor, theMidCurve.Xcurv(), anAdaptor.FirstParameter() );
double aParam = ap.Parameter();
gp_Pnt2d point;
- gp_Vec2d tangent, profile_dir;
- anAdaptor.D1( aParam, point, tangent );
- profile_dir.SetCoord( tangent.Y(), -tangent.X() );
+ anAdaptor.D0( aParam, point );
+ gp_Vec2d profile_dir = theMidCurve.ProfileDir();
+ //gp_Dir tangent_n( -profile_dir.Y(), profile_dir.X(), dz );
profile_dir.Normalize();
-
+
size_t n = theMidCurve.size();
+ std::map<double, AltitudePoint> sorted_points;
for( size_t i=0; i<n; i++ )
{
double param1 = theMidCurve[i].U - theWidthCurve[i].U / 2;
double param2 = theMidCurve[i].U + theWidthCurve[i].U / 2;
- gp_Pnt2d p1 = point.Translated( param1 * profile_dir / 2 );
- gp_Pnt2d p2 = point.Translated( param2 * profile_dir / 2 );
+ gp_Pnt2d p1 = point.Translated( param1 * profile_dir);
+ gp_Pnt2d p2 = point.Translated( param2 * profile_dir);
- double z = theMidCurve[i].Z;
+ double z = theMidCurve[i].Z + theMidCurve.DeltaZ();
AltitudePoint p3d_1( p1.X(), p1.Y(), z ), p3d_2( p2.X(), p2.Y(), z );
- thePoints.push_back( p3d_1 );
- thePoints.push_back( p3d_2 );
+
+ sorted_points[param1] = p3d_1;
+ sorted_points[param2] = p3d_2;
}
+
+ thePoints.reserve( sorted_points.size() );
+ const double EPS = 1E-12;
+ std::map<double, AltitudePoint>::const_iterator it = sorted_points.begin(), last = sorted_points.end();
+ for( ; it!=last; it++ )
+ if( thePoints.empty() || thePoints.back().SquareDistance( it->second ) > EPS )
+ thePoints.push_back( it->second );
}
inline double max( double a, double b )
return b;
}
-HYDROData_Bathymetry::AltitudePoints HYDROData_DTM::Interpolate
+inline double min( double a, double b )
+{
+ if( a<b )
+ return a;
+ else
+ return b;
+}
+
+#include <BRepLib_MakeWire.hxx>
+
+std::vector<HYDROData_Bathymetry::AltitudePoints> HYDROData_DTM::Interpolate
( const Handle_Geom2d_BSplineCurve& theHydraulicAxis,
const Handle_HYDROData_Profile& theProfileA,
double theXCurvA,
const Handle_HYDROData_Profile& theProfileB,
double theXCurvB,
- double theDDZ, int theNbSteps, bool isAddSecond )
+ double theDDZ, int theNbSteps, bool isAddSecond,
+ int& inter_nb_1, int& inter_nb_2)
{
double zminA, zmaxA, zminB, zmaxB;
gp_Pnt lowestA, lowestB;
GetProperties( theProfileA, lowestA, dirA, false, zminA, zmaxA );
GetProperties( theProfileB, lowestB, dirB, false, zminB, zmaxB );
- double zmin = max( zminA, zminB );
- double zmax = max( zmaxA, zmaxB );
+
+ double hmax = max( zmaxA-zminA, zmaxB-zminB );
+
+ //double dz = zminB - zminA;
+ //double zmin = min( zminA, zminB );
+ //double zmax = max( zmaxA, zmaxB );
- CurveUZ midA(0), midB(0);
- CurveUZ widA(0), widB(0);
+ CurveUZ midA(0, gp_Vec2d(), 0), midB(0, gp_Vec2d(), 0);
+ CurveUZ widA(0, gp_Vec2d(), 0), widB(0, gp_Vec2d(), 0);
- ProfileDiscretization( theProfileA, theXCurvA, zmin, zmax, theDDZ, midA, widA );
- ProfileDiscretization( theProfileB, theXCurvB, zmin, zmax, theDDZ, midB, widB );
+ ProfileDiscretization( theProfileA, theXCurvA, zminA, zminA+hmax, theDDZ, midA, widA, inter_nb_1 );
+ ProfileDiscretization( theProfileB, theXCurvB, zminB, zminB+hmax, theDDZ, midB, widB, inter_nb_2 );
std::vector<CurveUZ> mid, wid;
Interpolate( midA, midB, theNbSteps, mid, isAddSecond );
size_t p = mid.size();
size_t q = p>0 ? 2*mid[0].size() : 1;
- AltitudePoints points;
- points.reserve( p*q );
- for( size_t i=0; i<q; i++ )
- CurveTo3D( theHydraulicAxis, mid[i], wid[i], points );
+ std::vector<AltitudePoints> points;
+ points.resize( p );
+
+ for( size_t i=0; i<p; i++ )
+ {
+ points[i].reserve( q );
+ CurveTo3D( theHydraulicAxis, mid[i], wid[i], points[i] );
+ }
+
return points;
}
HYDROData_Bathymetry::AltitudePoints HYDROData_DTM::Interpolate
( const std::vector<Handle_HYDROData_Profile>& theProfiles,
- double theDDZ, double theSpatialStep )
+ double theDDZ, double theSpatialStep,
+ AltitudePoints& theLeft,
+ AltitudePoints& theRight,
+ std::vector<AltitudePoints>& theMainProfiles,
+ std::set<int>& invalInd)
{
AltitudePoints points;
size_t n = theProfiles.size();
if( aHydraulicAxis.IsNull() )
return points;
+ theMainProfiles.reserve( n );
+
for( size_t i=0, n1=n-1; i<n1; i++ )
{
double aDistance = distances[i+1]-distances[i];
- int aNbSteps = int(aDistance/theSpatialStep) + 1;
+ int aNbSteps = int(aDistance/theSpatialStep);
bool isAddSecond = i==n1-1;
- AltitudePoints local_points = Interpolate( aHydraulicAxis, theProfiles[i], distances[i],
- theProfiles[i+1], distances[i+1], theDDZ, aNbSteps, isAddSecond );
+
+ // 1. Calculate interpolated profiles
+ int inter_nb_1, inter_nb_2;
+ std::vector<AltitudePoints> local_points = Interpolate( aHydraulicAxis, theProfiles[i], distances[i],
+ theProfiles[i+1], distances[i+1], theDDZ, aNbSteps, isAddSecond, inter_nb_1, inter_nb_2 );
+ int lps = local_points.size();
+
+ if (inter_nb_1 > 2)
+ invalInd.insert(i);
+
+ if (inter_nb_2 > 2)
+ invalInd.insert(i+1);
+
+ // 2. Put all points into the global container
+ for( size_t j=0; j<lps; j++ )
+ {
+ const AltitudePoints& lp = local_points[j];
+ if( i==0 && j==0 )
+ points.reserve( lp.size() * n );
+ for( size_t k=0, ks=lp.size(); k<ks; k++ )
+ points.push_back( lp[k] );
+ }
+
+ // 3. Get left/right banks' points
if( i==0 )
- points.reserve( local_points.size() * ( n-1 ) );
- for( size_t j=0, m=local_points.size(); j<m; j++ )
- points.push_back( local_points[j] );
+ {
+ theLeft.reserve( lps * n );
+ theRight.reserve( lps * n );
+ }
+ for( size_t j=0; j<lps; j++ )
+ {
+ const AltitudePoints& lp = local_points[j];
+ theLeft.push_back( lp[0] );
+ theRight.push_back( lp[lp.size()-1] );
+ }
+
+ // 4. Get main profiles points
+ theMainProfiles.push_back( local_points[0] );
+ if( isAddSecond )
+ theMainProfiles.push_back( local_points[lps-1] );
}
return points;
}
+
+int HYDROData_DTM::EstimateNbPoints( const std::vector<Handle_HYDROData_Profile>& theProfiles,
+ double theDDZ, double theSpatialStep )
+{
+ size_t n = theProfiles.size();
+ if( n<=1 )
+ return 0;
+ if( theDDZ<1E-6 || theSpatialStep<1E-6 )
+ return 1 << 20;
+
+ std::vector<double> distances;
+ Handle_Geom2d_BSplineCurve aHydraulicAxis = CreateHydraulicAxis( theProfiles, distances );
+ if( aHydraulicAxis.IsNull() )
+ return 0;
+
+ double aCompleteDistance = distances[n-1];
+ int aNbSteps = int( aCompleteDistance / theSpatialStep ) + 1;
+ gp_Pnt aLowest;
+ gp_Vec2d aDir;
+ double aZMin, aZMax;
+ GetProperties( theProfiles[0], aLowest, aDir, true, aZMin, aZMax );
+ int aNbZSteps = (aZMax-aZMin)/theDDZ;
+
+ if( aNbSteps > ( 1<<16 ) || aNbZSteps > ( 1<<16 ) )
+ return 1 << 20;
+
+ return aNbSteps * aNbZSteps;
+}