mirror of
https://git.dev.opencascade.org/repos/occt.git
synced 2025-04-10 18:51:21 +03:00
d5f74e42d6
License statement text corrected; compiler warnings caused by Bison 2.41 disabled for MSVC; a few other compiler warnings on 54-bit Windows eliminated by appropriate type cast Wrong license statements corrected in several files. Copyright and license statements added in XSD and GLSL files. Copyright year updated in some files. Obsolete documentation files removed from DrawResources.
215 lines
6.7 KiB
Plaintext
215 lines
6.7 KiB
Plaintext
-- Created on: 1997-12-02
|
|
-- Created by: Philippe MANGIN
|
|
-- Copyright (c) 1997-1999 Matra Datavision
|
|
-- Copyright (c) 1999-2014 OPEN CASCADE SAS
|
|
--
|
|
-- This file is part of Open CASCADE Technology software library.
|
|
--
|
|
-- This library is free software; you can redistribute it and/or modify it under
|
|
-- the terms of the GNU Lesser General Public License version 2.1 as published
|
|
-- by the Free Software Foundation, with special exception defined in the file
|
|
-- OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
|
|
-- distribution for complete text of the license and disclaimer of any warranty.
|
|
--
|
|
-- Alternatively, this file may be used under the terms of Open CASCADE
|
|
-- commercial license or contractual agreement.
|
|
|
|
class CurveAndTrihedron from GeomFill
|
|
inherits LocationLaw from GeomFill
|
|
|
|
---Purpose: Define location law with an TrihedronLaw and an
|
|
-- curve
|
|
-- Definition Location is :
|
|
-- transformed section coordinates in (Curve(v)),
|
|
-- (Normal(v), BiNormal(v), Tangente(v))) systeme are
|
|
-- the same like section shape coordinates in
|
|
-- (O,(OX, OY, OZ)) systeme.
|
|
|
|
uses
|
|
TrihedronLaw from GeomFill,
|
|
HCurve from Adaptor3d,
|
|
Mat from gp,
|
|
Vec from gp,
|
|
Pnt from gp,
|
|
Array1OfReal from TColStd,
|
|
Array1OfPnt2d from TColgp,
|
|
Array1OfVec2d from TColgp,
|
|
Shape from GeomAbs
|
|
|
|
raises OutOfRange
|
|
|
|
is
|
|
Create(Trihedron : TrihedronLaw from GeomFill)
|
|
returns CurveAndTrihedron from GeomFill;
|
|
|
|
SetCurve(me : mutable; C : HCurve from Adaptor3d)
|
|
is redefined;
|
|
|
|
GetCurve(me)
|
|
returns HCurve from Adaptor3d
|
|
---C++: return const &
|
|
is redefined;
|
|
|
|
SetTrsf(me : mutable; Transfo : Mat from gp)
|
|
---Purpose: Set a transformation Matrix like the law M(t) become
|
|
-- Mat * M(t)
|
|
is redefined;
|
|
|
|
Copy(me)
|
|
returns LocationLaw from GeomFill
|
|
is redefined;
|
|
|
|
--
|
|
--========== To compute Location and derivatives Location
|
|
--
|
|
D0(me : mutable;
|
|
Param: Real;
|
|
M : out Mat from gp;
|
|
V : out Vec from gp)
|
|
---Purpose: compute Location and 2d points
|
|
returns Boolean is redefined;
|
|
|
|
|
|
D0(me : mutable;
|
|
Param: Real;
|
|
M : out Mat from gp;
|
|
V : out Vec from gp;
|
|
Poles2d : out Array1OfPnt2d from TColgp)
|
|
---Purpose: compute Location and 2d points
|
|
returns Boolean is redefined;
|
|
|
|
D1(me : mutable;
|
|
Param: Real;
|
|
M : out Mat from gp;
|
|
V : out Vec from gp;
|
|
DM : out Mat from gp;
|
|
DV : out Vec from gp;
|
|
Poles2d : out Array1OfPnt2d from TColgp;
|
|
DPoles2d : out Array1OfVec2d from TColgp)
|
|
---Purpose: compute location 2d points and associated
|
|
-- first derivatives.
|
|
-- Warning : It used only for C1 or C2 aproximation
|
|
returns Boolean
|
|
is redefined;
|
|
|
|
D2(me : mutable;
|
|
Param: Real;
|
|
M : out Mat from gp;
|
|
V : out Vec from gp;
|
|
DM : out Mat from gp;
|
|
DV : out Vec from gp;
|
|
D2M : out Mat from gp;
|
|
D2V : out Vec from gp;
|
|
Poles2d : out Array1OfPnt2d from TColgp;
|
|
DPoles2d : out Array1OfVec2d from TColgp;
|
|
D2Poles2d : out Array1OfVec2d from TColgp)
|
|
---Purpose: compute location 2d points and associated
|
|
-- first and seconde derivatives.
|
|
-- Warning : It used only for C2 aproximation
|
|
returns Boolean
|
|
is redefined;
|
|
|
|
--
|
|
-- =================== Management of continuity ===================
|
|
--
|
|
NbIntervals(me; S : Shape from GeomAbs)
|
|
---Purpose: Returns the number of intervals for continuity
|
|
-- <S>.
|
|
-- May be one if Continuity(me) >= <S>
|
|
returns Integer is redefined;
|
|
|
|
Intervals(me; T : in out Array1OfReal from TColStd;
|
|
S : Shape from GeomAbs)
|
|
---Purpose: Stores in <T> the parameters bounding the intervals
|
|
-- of continuity <S>.
|
|
--
|
|
-- The array must provide enough room to accomodate
|
|
-- for the parameters. i.e. T.Length() > NbIntervals()
|
|
raises
|
|
OutOfRange from Standard
|
|
is redefined;
|
|
|
|
|
|
SetInterval(me: mutable; First, Last: Real from Standard)
|
|
---Purpose: Sets the bounds of the parametric interval on
|
|
-- the function
|
|
-- This determines the derivatives in these values if the
|
|
-- function is not Cn.
|
|
is redefined;
|
|
|
|
GetInterval(me; First, Last: out Real from Standard)
|
|
---Purpose: Gets the bounds of the parametric interval on
|
|
-- the function
|
|
is redefined;
|
|
|
|
GetDomain(me; First, Last: out Real from Standard)
|
|
---Purpose: Gets the bounds of the function parametric domain.
|
|
-- Warning: This domain it is not modified by the
|
|
-- SetValue method
|
|
is redefined;
|
|
|
|
-- =================== To help computation of Tolerance ===============
|
|
--
|
|
-- Evaluation of error, in 2d space, or on composed function, is
|
|
-- difficult. The following methods can help the approximation to
|
|
-- make good evaluation and use good tolerances.
|
|
--
|
|
-- It is not necessary for the following informations to be very
|
|
-- precise. A fast evaluation is sufficient.
|
|
|
|
|
|
GetMaximalNorm(me : mutable)
|
|
---Purpose: Get the maximum Norm of the matrix-location part. It
|
|
-- is usful to find an good Tolerance to approx M(t).
|
|
returns Real
|
|
is redefined;
|
|
|
|
GetAverageLaw(me : mutable;
|
|
AM: out Mat from gp;
|
|
AV: out Vec from gp)
|
|
---Purpose: Get average value of M(t) and V(t) it is usfull to
|
|
-- make fast approximation of rational surfaces.
|
|
is redefined;
|
|
|
|
--
|
|
-- To find elementary sweep
|
|
--
|
|
IsTranslation(me; Error : out Real)
|
|
---Purpose: Say if the Location Law, is an translation of Location
|
|
-- The default implementation is " returns False ".
|
|
returns Boolean
|
|
is redefined;
|
|
|
|
IsRotation(me; Error : out Real )
|
|
---Purpose: Say if the Location Law, is a rotation of Location
|
|
-- The default implementation is " returns False ".
|
|
returns Boolean
|
|
is redefined;
|
|
|
|
Rotation(me; Center : out Pnt from gp)
|
|
is redefined;
|
|
|
|
fields
|
|
WithTrans: Boolean from Standard;
|
|
myLaw : TrihedronLaw from GeomFill;
|
|
myCurve : HCurve from Adaptor3d;
|
|
myTrimmed: HCurve from Adaptor3d;
|
|
Point : Pnt from gp;
|
|
V1, V2, V3 : Vec from gp;
|
|
Trans : Mat from gp;
|
|
end CurveAndTrihedron;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|