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42cf5bc1ca
Automatic upgrade of OCCT code by command "occt_upgrade . -nocdl": - WOK-generated header files from inc and sources from drv are moved to src - CDL files removed - All packages are converted to nocdlpack
223 lines
10 KiB
C++
223 lines
10 KiB
C++
// Created on: 1993-07-07
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// Created by: Jean Claude VAUTHIER
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// Copyright (c) 1993-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _GeomLib_HeaderFile
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#define _GeomLib_HeaderFile
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#include <Standard.hxx>
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#include <Standard_DefineAlloc.hxx>
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#include <Standard_Handle.hxx>
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#include <Standard_Real.hxx>
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#include <GeomAbs_Shape.hxx>
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#include <Standard_Integer.hxx>
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#include <Standard_Boolean.hxx>
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#include <TColgp_Array1OfPnt.hxx>
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#include <TColStd_Array1OfReal.hxx>
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#include <TColStd_HArray1OfReal.hxx>
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#include <TColStd_SequenceOfReal.hxx>
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class Geom_Curve;
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class gp_Ax2;
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class Geom2d_Curve;
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class gp_GTrsf2d;
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class Adaptor3d_CurveOnSurface;
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class Geom_BoundedCurve;
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class gp_Pnt;
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class gp_Vec;
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class Geom_BoundedSurface;
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class gp_Dir;
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class Adaptor3d_Curve;
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class Geom_BSplineSurface;
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class Geom_Surface;
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class gp_Pnt2d;
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class GeomLib_MakeCurvefromApprox;
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class GeomLib_Interpolate;
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class GeomLib_DenominatorMultiplier;
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class GeomLib_CheckBSplineCurve;
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class GeomLib_Check2dBSplineCurve;
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class GeomLib_IsPlanarSurface;
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class GeomLib_Tool;
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class GeomLib_PolyFunc;
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class GeomLib_LogSample;
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//! Geom Library. This package provides an
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//! implementation of functions for basic computation
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//! on geometric entity from packages Geom and Geom2d.
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class GeomLib
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{
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public:
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DEFINE_STANDARD_ALLOC
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//! Computes the curve 3d from package Geom
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//! corresponding to curve 2d from package Geom2d, on
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//! the plan defined with the local coordinate system
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//! Position.
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Standard_EXPORT static Handle(Geom_Curve) To3d (const gp_Ax2& Position, const Handle(Geom2d_Curve)& Curve2d);
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//! Computes the curve 3d from package Geom
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//! corresponding to the curve 3d from package Geom,
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//! transformed with the transformation <GTrsf>
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//! WARNING : this method may return a null Handle if
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//! it's impossible to compute the transformation of
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//! a curve. It's not implemented when :
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//! 1) the curve is an infinite parabola or hyperbola
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//! 2) the curve is an offsetcurve
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Standard_EXPORT static Handle(Geom2d_Curve) GTransform (const Handle(Geom2d_Curve)& Curve, const gp_GTrsf2d& GTrsf);
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//! Make the curve Curve2dPtr have the imposed
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//! range First to List the most economic way,
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//! that is if it can change the range without
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//! changing the nature of the curve it will try
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//! to do that. Otherwise it will produce a Bspline
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//! curve that has the required range
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Standard_EXPORT static void SameRange (const Standard_Real Tolerance, const Handle(Geom2d_Curve)& Curve2dPtr, const Standard_Real First, const Standard_Real Last, const Standard_Real RequestedFirst, const Standard_Real RequestedLast, Handle(Geom2d_Curve)& NewCurve2dPtr);
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Standard_EXPORT static void BuildCurve3d (const Standard_Real Tolerance, Adaptor3d_CurveOnSurface& CurvePtr, const Standard_Real FirstParameter, const Standard_Real LastParameter, Handle(Geom_Curve)& NewCurvePtr, Standard_Real& MaxDeviation, Standard_Real& AverageDeviation, const GeomAbs_Shape Continuity = GeomAbs_C1, const Standard_Integer MaxDegree = 14, const Standard_Integer MaxSegment = 30);
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Standard_EXPORT static void AdjustExtremity (Handle(Geom_BoundedCurve)& Curve, const gp_Pnt& P1, const gp_Pnt& P2, const gp_Vec& T1, const gp_Vec& T2);
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//! Extends the bounded curve Curve to the point Point.
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//! The extension is built:
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//! - at the end of the curve if After equals true, or
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//! - at the beginning of the curve if After equals false.
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//! The extension is performed according to a degree of
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//! continuity equal to Cont, which in its turn must be equal to 1, 2 or 3.
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//! This function converts the bounded curve Curve into a BSpline curve.
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//! Warning
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//! - Nothing is done, and Curve is not modified if Cont is
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//! not equal to 1, 2 or 3.
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//! - It is recommended that the extension should not be
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//! too large with respect to the size of the bounded
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//! curve Curve: Point must not be located too far from
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//! one of the extremities of Curve.
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Standard_EXPORT static void ExtendCurveToPoint (Handle(Geom_BoundedCurve)& Curve, const gp_Pnt& Point, const Standard_Integer Cont, const Standard_Boolean After);
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//! Extends the bounded surface Surf along one of its
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//! boundaries. The chord length of the extension is equal to Length.
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//! The direction of the extension is given as:
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//! - the u parametric direction of Surf, if InU equals true, or
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//! - the v parametric direction of Surf, if InU equals false.
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//! In this parametric direction, the extension is built on the side of:
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//! - the last parameter of Surf, if After equals true, or
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//! - the first parameter of Surf, if After equals false.
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//! The extension is performed according to a degree of
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//! continuity equal to Cont, which in its turn must be equal to 1, 2 or 3.
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//! This function converts the bounded surface Surf into a BSpline surface.
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//! Warning
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//! - Nothing is done, and Surf is not modified if Cont is
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//! not equal to 1, 2 or 3.
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//! - It is recommended that Length, the size of the
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//! extension should not be too large with respect to the
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//! size of the bounded surface Surf.
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//! - Surf must not be a periodic BSpline surface in the
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//! parametric direction corresponding to the direction of extension.
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Standard_EXPORT static void ExtendSurfByLength (Handle(Geom_BoundedSurface)& Surf, const Standard_Real Length, const Standard_Integer Cont, const Standard_Boolean InU, const Standard_Boolean After);
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//! Compute axes of inertia, of some points -- -- --
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//! <Axe>.Location() is the BaryCentre -- -- -- -- --
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//! <Axe>.XDirection is the axe of upper inertia -- -- --
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//! -- <Axe>.Direction is the Normal to the average plane
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//! -- -- -- IsSingular is True if points are on line --
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//! Tol is used to determine singular cases.
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Standard_EXPORT static void AxeOfInertia (const TColgp_Array1OfPnt& Points, gp_Ax2& Axe, Standard_Boolean& IsSingular, const Standard_Real Tol = 1.0e-7);
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//! Compute principale axes of inertia, and dispertion
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//! value of some points.
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Standard_EXPORT static void Inertia (const TColgp_Array1OfPnt& Points, gp_Pnt& Bary, gp_Dir& XDir, gp_Dir& YDir, Standard_Real& Xgap, Standard_Real& YGap, Standard_Real& ZGap);
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//! Warning! This assume that the InParameter is an increasing sequence
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//! of real number and it will not check for that : Unpredictable
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//! result can happen if this is not satisfied. It is the caller
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//! responsability to check for that property.
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//!
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//! This method makes uniform NumPoints segments S1,...SNumPoints out
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//! of the segment defined by the first parameter and the
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//! last parameter ofthe InParameter ; keeps only one
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//! point of the InParameters set of parameter in each of
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//! the uniform segments taking care of the first and the
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//! last parameters. For the ith segment the element of
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//! the InParameter is the one that is the first to exceed
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//! the midpoint of the segment and to fall before the
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//! midpoint of the next segment
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//! There will be at the end at most NumPoints + 1 if
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//! NumPoints > 2 in the OutParameters Array
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Standard_EXPORT static void RemovePointsFromArray (const Standard_Integer NumPoints, const TColStd_Array1OfReal& InParameters, Handle(TColStd_HArray1OfReal)& OutParameters);
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//! this makes sure that there is at least MinNumPoints
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//! in OutParameters taking into account the parameters in
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//! the InParameters array provided those are in order,
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//! that is the sequence of real in the InParameter is strictly
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//! non decreasing
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Standard_EXPORT static void DensifyArray1OfReal (const Standard_Integer MinNumPoints, const TColStd_Array1OfReal& InParameters, Handle(TColStd_HArray1OfReal)& OutParameters);
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Standard_EXPORT static void FuseIntervals (const TColStd_Array1OfReal& Interval1, const TColStd_Array1OfReal& Interval2, TColStd_SequenceOfReal& Fusion, const Standard_Real Confusion = 1.0e-9);
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//! this will compute the maximum distance at the
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//! parameters given in the Parameters array by
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//! evaluating each parameter the two curves and taking
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//! the maximum of the evaluated distance
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Standard_EXPORT static void EvalMaxParametricDistance (const Adaptor3d_Curve& Curve, const Adaptor3d_Curve& AReferenceCurve, const Standard_Real Tolerance, const TColStd_Array1OfReal& Parameters, Standard_Real& MaxDistance);
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//! this will compute the maximum distancef at the parameters
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//! given in the Parameters array by projecting from the Curve
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//! to the reference curve and taking the minimum distance
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//! Than the maximum will be taken on those minimas.
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Standard_EXPORT static void EvalMaxDistanceAlongParameter (const Adaptor3d_Curve& Curve, const Adaptor3d_Curve& AReferenceCurve, const Standard_Real Tolerance, const TColStd_Array1OfReal& Parameters, Standard_Real& MaxDistance);
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//! Cancel,on the boudaries,the denominator first derivative
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//! in the directions wished by the user and set its value to 1.
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Standard_EXPORT static void CancelDenominatorDerivative (Handle(Geom_BSplineSurface)& BSurf, const Standard_Boolean UDirection, const Standard_Boolean VDirection);
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Standard_EXPORT static Standard_Integer NormEstim (const Handle(Geom_Surface)& S, const gp_Pnt2d& UV, const Standard_Real Tol, gp_Dir& N);
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protected:
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private:
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friend class GeomLib_MakeCurvefromApprox;
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friend class GeomLib_Interpolate;
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friend class GeomLib_DenominatorMultiplier;
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friend class GeomLib_CheckBSplineCurve;
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friend class GeomLib_Check2dBSplineCurve;
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friend class GeomLib_IsPlanarSurface;
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friend class GeomLib_Tool;
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friend class GeomLib_PolyFunc;
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friend class GeomLib_LogSample;
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};
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#endif // _GeomLib_HeaderFile
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