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bc73b00672
- Provide DumpJson for geometrical, ocaf and visualization classes; - Change depth parameter of DumpJson (constant is not obligate here) - Introduce a new macro for transient objects to be called as the first row in DumpJson: OCCT_DUMP_TRANSIENT_CLASS_BEGIN. We need not put the class name in the macro, using get_type_name of Standard_Transient for it. - change implementation of OCCT_DUMP_CLASS_BEGIN and OCCT_DUMP_TRANSIENT_CLASS_BEGIN. It is not an sentry more and it does not create a new hierarchy level. It appends a new row into the output stream: "className": <className> - OCCT_DUMP_* does not require semicolon - class header is included first in source files of TDataStd, TDocStd, TCAFDoc
285 lines
11 KiB
C++
285 lines
11 KiB
C++
// Created on: 1993-03-10
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// Created by: JCV
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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 _Geom_TrimmedCurve_HeaderFile
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#define _Geom_TrimmedCurve_HeaderFile
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#include <Standard.hxx>
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#include <Standard_Type.hxx>
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#include <Standard_Real.hxx>
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#include <Geom_BoundedCurve.hxx>
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#include <Standard_Boolean.hxx>
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#include <GeomAbs_Shape.hxx>
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#include <Standard_Integer.hxx>
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class Geom_Curve;
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class Standard_ConstructionError;
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class Standard_RangeError;
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class Standard_NoSuchObject;
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class Geom_UndefinedDerivative;
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class Geom_UndefinedValue;
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class gp_Pnt;
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class gp_Vec;
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class gp_Trsf;
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class Geom_Geometry;
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class Geom_TrimmedCurve;
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DEFINE_STANDARD_HANDLE(Geom_TrimmedCurve, Geom_BoundedCurve)
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//! Describes a portion of a curve (termed the "basis
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//! curve") limited by two parameter values inside the
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//! parametric domain of the basis curve.
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//! The trimmed curve is defined by:
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//! - the basis curve, and
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//! - the two parameter values which limit it.
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//! The trimmed curve can either have the same
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//! orientation as the basis curve or the opposite orientation.
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class Geom_TrimmedCurve : public Geom_BoundedCurve
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{
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public:
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//! Constructs a trimmed curve from the basis curve C
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//! which is limited between parameter values U1 and U2.
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//! Note: - U1 can be greater or less than U2; in both cases,
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//! the returned curve is oriented from U1 to U2.
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//! - If the basis curve C is periodic, there is an
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//! ambiguity because two parts are available. In this
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//! case, the trimmed curve has the same orientation
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//! as the basis curve if Sense is true (default value)
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//! or the opposite orientation if Sense is false.
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//! - If the curve is closed but not periodic, it is not
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//! possible to keep the part of the curve which
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//! includes the junction point (except if the junction
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//! point is at the beginning or at the end of the
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//! trimmed curve). If you tried to do this, you could
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//! alter the fundamental characteristics of the basis
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//! curve, which are used, for example, to compute
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//! the derivatives of the trimmed curve. The rules
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//! for a closed curve are therefore the same as
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//! those for an open curve.
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//! Warning: The trimmed curve is built from a copy of curve C.
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//! Therefore, when C is modified, the trimmed curve
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//! is not modified.
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//! - If the basis curve is periodic and theAdjustPeriodic is True,
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//! the bounds of the trimmed curve may be different from U1 and U2
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//! if the parametric origin of the basis curve is within
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//! the arc of the trimmed curve. In this case, the
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//! modified parameter will be equal to U1 or U2
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//! plus or minus the period.
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//! When theAdjustPeriodic is False, parameters U1 and U2 will be
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//! the same, without adjustment into the first period.
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//! Exceptions
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//! Standard_ConstructionError if:
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//! - C is not periodic and U1 or U2 is outside the
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//! bounds of C, or
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//! - U1 is equal to U2.
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Standard_EXPORT Geom_TrimmedCurve(const Handle(Geom_Curve)& C, const Standard_Real U1, const Standard_Real U2, const Standard_Boolean Sense = Standard_True, const Standard_Boolean theAdjustPeriodic = Standard_True);
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//! Changes the orientation of this trimmed curve.
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//! As a result:
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//! - the basis curve is reversed,
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//! - the start point of the initial curve becomes the
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//! end point of the reversed curve,
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//! - the end point of the initial curve becomes the
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//! start point of the reversed curve,
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//! - the first and last parameters are recomputed.
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//! If the trimmed curve was defined by:
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//! - a basis curve whose parameter range is [ 0., 1. ],
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//! - the two trim values U1 (first parameter) and U2 (last parameter),
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//! the reversed trimmed curve is defined by:
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//! - the reversed basis curve, whose parameter range is still [ 0., 1. ],
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//! - the two trim values 1. - U2 (first parameter) and 1. - U1 (last parameter).
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Standard_EXPORT void Reverse() Standard_OVERRIDE;
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//! Computes the parameter on the reversed curve for
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//! the point of parameter U on this trimmed curve.
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Standard_EXPORT Standard_Real ReversedParameter (const Standard_Real U) const Standard_OVERRIDE;
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//! Changes this trimmed curve, by redefining the
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//! parameter values U1 and U2 which limit its basis curve.
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//! Note: If the basis curve is periodic, the trimmed curve
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//! has the same orientation as the basis curve if Sense
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//! is true (default value) or the opposite orientation if Sense is false.
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//! Warning
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//! If the basis curve is periodic and theAdjustPeriodic is True,
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//! the bounds of the trimmed curve may be different from U1 and U2 if the
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//! parametric origin of the basis curve is within the arc of
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//! the trimmed curve. In this case, the modified
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//! parameter will be equal to U1 or U2 plus or minus the period.
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//! When theAdjustPeriodic is False, parameters U1 and U2 will be
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//! the same, without adjustment into the first period.
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//! Exceptions
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//! Standard_ConstructionError if:
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//! - the basis curve is not periodic, and either U1 or U2
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//! are outside the bounds of the basis curve, or
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//! - U1 is equal to U2.
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Standard_EXPORT void SetTrim (const Standard_Real U1, const Standard_Real U2, const Standard_Boolean Sense = Standard_True, const Standard_Boolean theAdjustPeriodic = Standard_True);
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//! Returns the basis curve.
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//! Warning
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//! This function does not return a constant reference.
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//! Consequently, any modification of the returned value
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//! directly modifies the trimmed curve.
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Standard_EXPORT Handle(Geom_Curve) BasisCurve() const;
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//! Returns the continuity of the curve :
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//! C0 : only geometric continuity,
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//! C1 : continuity of the first derivative all along the Curve,
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//! C2 : continuity of the second derivative all along the Curve,
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//! C3 : continuity of the third derivative all along the Curve,
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//! CN : the order of continuity is infinite.
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Standard_EXPORT GeomAbs_Shape Continuity() const Standard_OVERRIDE;
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//! Returns true if the degree of continuity of the basis
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//! curve of this trimmed curve is at least N. A trimmed
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//! curve is at least "C0" continuous.
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//! Warnings :
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//! The continuity of the trimmed curve can be greater than
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//! the continuity of the basis curve because you consider
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//! only a part of the basis curve.
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//! Raised if N < 0.
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Standard_EXPORT Standard_Boolean IsCN (const Standard_Integer N) const Standard_OVERRIDE;
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//! Returns the end point of <me>. This point is the
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//! evaluation of the curve for the "LastParameter".
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Standard_EXPORT gp_Pnt EndPoint() const Standard_OVERRIDE;
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//! Returns the value of the first parameter of <me>.
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//! The first parameter is the parameter of the "StartPoint"
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//! of the trimmed curve.
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Standard_EXPORT Standard_Real FirstParameter() const Standard_OVERRIDE;
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//! Returns True if the distance between the StartPoint and
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//! the EndPoint is lower or equal to Resolution from package gp.
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Standard_EXPORT Standard_Boolean IsClosed() const Standard_OVERRIDE;
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//! Always returns FALSE (independently of the type of basis curve).
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Standard_EXPORT Standard_Boolean IsPeriodic() const Standard_OVERRIDE;
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//! Returns the period of the basis curve of this trimmed curve.
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//! Exceptions
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//! Standard_NoSuchObject if the basis curve is not periodic.
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Standard_EXPORT virtual Standard_Real Period() const Standard_OVERRIDE;
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//! Returns the value of the last parameter of <me>.
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//! The last parameter is the parameter of the "EndPoint" of the
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//! trimmed curve.
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Standard_EXPORT Standard_Real LastParameter() const Standard_OVERRIDE;
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//! Returns the start point of <me>.
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//! This point is the evaluation of the curve from the
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//! "FirstParameter".
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//! value and derivatives
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//! Warnings :
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//! The returned derivatives have the same orientation as the
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//! derivatives of the basis curve even if the trimmed curve
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//! has not the same orientation as the basis curve.
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Standard_EXPORT gp_Pnt StartPoint() const Standard_OVERRIDE;
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//! Returns in P the point of parameter U.
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//!
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//! If the basis curve is an OffsetCurve sometimes it is not
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//! possible to do the evaluation of the curve at the parameter
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//! U (see class OffsetCurve).
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Standard_EXPORT void D0 (const Standard_Real U, gp_Pnt& P) const Standard_OVERRIDE;
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//! Raised if the continuity of the curve is not C1.
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Standard_EXPORT void D1 (const Standard_Real U, gp_Pnt& P, gp_Vec& V1) const Standard_OVERRIDE;
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//! Raised if the continuity of the curve is not C2.
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Standard_EXPORT void D2 (const Standard_Real U, gp_Pnt& P, gp_Vec& V1, gp_Vec& V2) const Standard_OVERRIDE;
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//! Raised if the continuity of the curve is not C3.
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Standard_EXPORT void D3 (const Standard_Real U, gp_Pnt& P, gp_Vec& V1, gp_Vec& V2, gp_Vec& V3) const Standard_OVERRIDE;
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//! N is the order of derivation.
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//! Raised if the continuity of the curve is not CN.
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//! Raised if N < 1.
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//! geometric transformations
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Standard_EXPORT gp_Vec DN (const Standard_Real U, const Standard_Integer N) const Standard_OVERRIDE;
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//! Applies the transformation T to this trimmed curve.
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//! Warning The basis curve is also modified.
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Standard_EXPORT void Transform (const gp_Trsf& T) Standard_OVERRIDE;
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//! Returns the parameter on the transformed curve for
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//! the transform of the point of parameter U on <me>.
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//!
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//! me->Transformed(T)->Value(me->TransformedParameter(U,T))
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//!
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//! is the same point as
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//!
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//! me->Value(U).Transformed(T)
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//!
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//! This methods calls the basis curve method.
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Standard_EXPORT virtual Standard_Real TransformedParameter (const Standard_Real U, const gp_Trsf& T) const Standard_OVERRIDE;
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//! Returns a coefficient to compute the parameter on
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//! the transformed curve for the transform of the
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//! point on <me>.
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//!
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//! Transformed(T)->Value(U * ParametricTransformation(T))
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//!
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//! is the same point as
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//!
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//! Value(U).Transformed(T)
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//!
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//! This methods calls the basis curve method.
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Standard_EXPORT virtual Standard_Real ParametricTransformation (const gp_Trsf& T) const Standard_OVERRIDE;
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//! Creates a new object which is a copy of this trimmed curve.
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Standard_EXPORT Handle(Geom_Geometry) Copy() const Standard_OVERRIDE;
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//! Dumps the content of me into the stream
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Standard_EXPORT virtual void DumpJson (Standard_OStream& theOStream, Standard_Integer theDepth = -1) const Standard_OVERRIDE;
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DEFINE_STANDARD_RTTIEXT(Geom_TrimmedCurve,Geom_BoundedCurve)
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protected:
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private:
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Handle(Geom_Curve) basisCurve;
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Standard_Real uTrim1;
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Standard_Real uTrim2;
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};
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#endif // _Geom_TrimmedCurve_HeaderFile
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