mirror of
https://git.dev.opencascade.org/repos/occt.git
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b9280b8b27
Removed unused exception classes OSD_Exception_FLT_DIVIDE_BY_ZERO, OSD_Exception_INT_DIVIDE_BY_ZERO, OSD_Exception_FLT_DENORMAL_OPERAND, OSD_Exception_FLT_INEXACT_RESULT, OSD_Exception_FLT_INVALID_OPERATION, OSD_Exception_FLT_OVERFLOW, OSD_Exception_FLT_STACK_CHECK, OSD_Exception_FLT_UNDERFLOW.
219 lines
6.2 KiB
C++
219 lines
6.2 KiB
C++
// Created on: 1996-08-09
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// Created by: Herve LOUESSARD
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// Copyright (c) 1996-1999 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 _LocalAnalysis_CurveContinuity_HeaderFile
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#define _LocalAnalysis_CurveContinuity_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 <GeomAbs_Shape.hxx>
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#include <LocalAnalysis_StatusErrorType.hxx>
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class Geom_Curve;
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class GeomLProp_CLProps;
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//! This class gives tools to check local continuity C0
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//! C1 C2 G1 G2 between two points situated on two curves
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class LocalAnalysis_CurveContinuity
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{
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public:
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DEFINE_STANDARD_ALLOC
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//! -u1 is the parameter of the point on Curv1
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//! -u2 is the parameter of the point on Curv2
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//! -Order is the required continuity:
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//! GeomAbs_C0 GeomAbs_C1 GeomAbs_C2
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//! GeomAbs_G1 GeomAbs_G2
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//!
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//! -EpsNul is used to detect a a vector with nul
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//! magnitude (in mm)
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//!
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//! -EpsC0 is used for C0 continuity to confuse two
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//! points (in mm)
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//!
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//! -EpsC1 is an angular tolerance in radians used
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//! for C1 continuity to compare the angle between
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//! the first derivatives
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//!
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//! -EpsC2 is an angular tolerance in radians used
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//! for C2 continuity to compare the angle between
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//! the second derivatives
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//!
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//! -EpsG1 is an angular tolerance in radians used
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//! for G1 continuity to compare the angle between
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//! the tangents
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//!
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//! -EpsG2 is an angular tolerance in radians used
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//! for G2 continuity to compare the angle between
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//! the normals
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//!
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//! - percent : percentage of curvature variation (unitless)
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//! used for G2 continuity
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//!
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//! - Maxlen is the maximum length of Curv1 or Curv2 in
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//! meters used to detect nul curvature (in mm)
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//!
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//! the constructor computes the quantities which are
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//! necessary to check the continuity in the following cases:
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//!
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//! case C0
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//! --------
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//! - the distance between P1 and P2 with P1=Curv1 (u1) and
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//! P2=Curv2(u2)
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//!
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//! case C1
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//! -------
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//!
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//! - the angle between the first derivatives
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//! dCurv1(u1) dCurv2(u2)
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//! -------- and ---------
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//! du du
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//!
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//! - the ratio between the magnitudes of the first
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//! derivatives
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//!
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//! the angle value is between 0 and PI/2
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//!
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//! case C2
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//! -------
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//! - the angle between the second derivatives
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//! 2 2
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//! d Curv1(u1) d Curv2(u2)
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//! ---------- ----------
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//! 2 2
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//! du du
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//!
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//! the angle value is between 0 and PI/2
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//!
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//! - the ratio between the magnitudes of the second
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//! derivatives
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//!
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//! case G1
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//! -------
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//! the angle between the tangents at each point
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//!
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//! the angle value is between 0 and PI/2
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//!
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//! case G2
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//! -------
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//! -the angle between the normals at each point
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//!
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//! the angle value is between 0 and PI/2
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//!
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//! - the relative variation of curvature:
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//! |curvat1-curvat2|
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//! ------------------
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//! 1/2
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//! (curvat1*curvat2)
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//!
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//! where curvat1 is the curvature at the first point
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//! and curvat2 the curvature at the second point
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Standard_EXPORT LocalAnalysis_CurveContinuity(const Handle(Geom_Curve)& Curv1, const Standard_Real u1, const Handle(Geom_Curve)& Curv2, const Standard_Real u2, const GeomAbs_Shape Order, const Standard_Real EpsNul = 0.001, const Standard_Real EpsC0 = 0.001, const Standard_Real EpsC1 = 0.001, const Standard_Real EpsC2 = 0.001, const Standard_Real EpsG1 = 0.001, const Standard_Real EpsG2 = 0.001, const Standard_Real Percent = 0.01, const Standard_Real Maxlen = 10000);
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Standard_EXPORT Standard_Boolean IsDone() const;
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Standard_EXPORT LocalAnalysis_StatusErrorType StatusError() const;
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Standard_EXPORT GeomAbs_Shape ContinuityStatus() const;
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Standard_EXPORT Standard_Real C0Value() const;
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Standard_EXPORT Standard_Real C1Angle() const;
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Standard_EXPORT Standard_Real C1Ratio() const;
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Standard_EXPORT Standard_Real C2Angle() const;
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Standard_EXPORT Standard_Real C2Ratio() const;
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Standard_EXPORT Standard_Real G1Angle() const;
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Standard_EXPORT Standard_Real G2Angle() const;
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Standard_EXPORT Standard_Real G2CurvatureVariation() const;
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Standard_EXPORT Standard_Boolean IsC0() const;
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Standard_EXPORT Standard_Boolean IsC1() const;
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Standard_EXPORT Standard_Boolean IsC2() const;
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Standard_EXPORT Standard_Boolean IsG1() const;
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Standard_EXPORT Standard_Boolean IsG2() const;
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protected:
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private:
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Standard_EXPORT void CurvC0 (GeomLProp_CLProps& Curv1, GeomLProp_CLProps& Curv2);
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Standard_EXPORT void CurvC1 (GeomLProp_CLProps& Curv1, GeomLProp_CLProps& Curv2);
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Standard_EXPORT void CurvC2 (GeomLProp_CLProps& Curv1, GeomLProp_CLProps& Curv2);
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Standard_EXPORT void CurvG1 (GeomLProp_CLProps& Curv1, GeomLProp_CLProps& Curv2);
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Standard_EXPORT void CurvG2 (GeomLProp_CLProps& Curv1, GeomLProp_CLProps& Curv2);
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Standard_Real myContC0;
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Standard_Real myContC1;
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Standard_Real myContC2;
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Standard_Real myContG1;
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Standard_Real myContG2;
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Standard_Real myCourbC1;
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Standard_Real myCourbC2;
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Standard_Real myG2Variation;
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Standard_Real myLambda1;
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Standard_Real myLambda2;
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GeomAbs_Shape myTypeCont;
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Standard_Real myepsnul;
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Standard_Real myepsC0;
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Standard_Real myepsC1;
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Standard_Real myepsC2;
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Standard_Real myepsG1;
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Standard_Real myepsG2;
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Standard_Real myMaxLon;
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Standard_Real myperce;
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Standard_Boolean myIsDone;
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LocalAnalysis_StatusErrorType myErrorStatus;
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};
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#endif // _LocalAnalysis_CurveContinuity_HeaderFile
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