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The copying permission statements at the beginning of source files updated to refer to LGPL. Copyright dates extended till 2014 in advance.
146 lines
6.0 KiB
Plaintext
146 lines
6.0 KiB
Plaintext
-- Created on: 1993-08-25
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-- Created by: Bruno DUMORTIER
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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
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-- under the terms of the GNU Lesser General Public 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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package GeomProjLib
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---Purpose: Projection of a curve on a surface.
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uses
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gp,
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Geom,
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Geom2d
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is
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--
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-- package methods
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--
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Curve2d(C : Curve from Geom;
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First, Last : Real from Standard;
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S : Surface from Geom;
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UFirst,ULast,
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VFirst,VLast: Real from Standard ;
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Tolerance : in out Real from Standard )
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---Purpose: gives the 2d-curve of a 3d-curve lying on a
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-- surface ( uses GeomProjLib_ProjectedCurve )
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-- The 3dCurve is taken between the parametrization
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-- range [First, Last]
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-- <Tolerance> is used as input if the projection needs
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-- an approximation. In this case, the reached
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-- tolerance is set in <Tolerance> as output.
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-- WARNING : if the projection has failed, this
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-- method returns a null Handle.
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returns Curve from Geom2d;
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Curve2d(C : Curve from Geom;
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First, Last : Real from Standard;
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S : Surface from Geom;
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Tolerance : in out Real from Standard )
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---Purpose: gives the 2d-curve of a 3d-curve lying on a
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-- surface ( uses GeomProjLib_ProjectedCurve )
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-- The 3dCurve is taken between the parametrization
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-- range [First, Last]
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-- <Tolerance> is used as input if the projection needs
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-- an approximation. In this case, the reached
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-- tolerance is set in <Tolerance> as output.
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-- WARNING : if the projection has failed, this
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-- method returns a null Handle.
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returns Curve from Geom2d;
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Curve2d(C : Curve from Geom;
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First, Last : Real from Standard;
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S : Surface from Geom)
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---Purpose: gives the 2d-curve of a 3d-curve lying on a
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-- surface ( uses GeomProjLib_ProjectedCurve )
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-- The 3dCurve is taken between the parametrization
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-- range [First, Last]
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-- If the projection needs an approximation,
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-- Precision::PApproximation() is used.
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-- WARNING : if the projection has failed, this
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-- method returns a null Handle.
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returns Curve from Geom2d;
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Curve2d(C : Curve from Geom;
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S : Surface from Geom )
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---Purpose: gives the 2d-curve of a 3d-curve lying on a
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-- surface ( uses GeomProjLib_ProjectedCurve ).
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-- If the projection needs an approximation,
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-- Precision::PApproximation() is used.
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-- WARNING : if the projection has failed, this
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-- method returns a null Handle.
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returns Curve from Geom2d;
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Curve2d(C : Curve from Geom;
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S : Surface from Geom ;
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UDeb : Real from Standard ;
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UFin : Real from Standard ;
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VDeb : Real from Standard ;
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VFin : Real from Standard)
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---Purpose: gives the 2d-curve of a 3d-curve lying on a
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-- surface ( uses GeomProjLib_ProjectedCurve ).
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-- If the projection needs an approximation,
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-- Precision::PApproximation() is used.
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-- WARNING : if the projection has failed, this
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-- method returns a null Handle.
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-- can expand a little the bounds of surface
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returns Curve from Geom2d;
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Curve2d(C : Curve from Geom;
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S : Surface from Geom;
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UDeb : Real from Standard ;
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UFin : Real from Standard ;
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VDeb : Real from Standard ;
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VFin : Real from Standard ;
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Tolerance : in out Real from Standard )
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---Purpose: gives the 2d-curve of a 3d-curve lying on a
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-- surface ( uses GeomProjLib_ProjectedCurve ).
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-- If the projection needs an approximation,
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-- Precision::PApproximation() is used.
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-- WARNING : if the projection has failed, this
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-- method returns a null Handle.
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-- can expand a little the bounds of surface
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returns Curve from Geom2d;
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Project(C : Curve from Geom;
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S : Surface from Geom )
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---Purpose: Constructs the 3d-curve from the normal
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-- projection of the Curve <C> on the surface <S>.
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-- WARNING : if the projection has failes returns a
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-- null Handle.
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returns Curve from Geom;
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ProjectOnPlane(Curve : Curve from Geom;
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Plane : Plane from Geom;
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Dir : Dir from gp ;
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KeepParametrization : Boolean from Standard)
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---Purpose: Constructs the 3d-curves from the projection
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-- of the curve <Curve> on the plane <Plane> along
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-- the direction <Dir>.
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-- If <KeepParametrization> is true, the parametrization
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-- of the Projected Curve <PC> will be the same as the
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-- parametrization of the initial curve <C>.
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-- It meens: proj(C(u)) = PC(u) for each u.
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-- Otherwize, the parametrization may change.
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returns Curve from Geom;
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end GeomProjLib;
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