-- Created on: 1991-10-04
-- Created by: Remi GILET
-- Copyright (c) 1991-1999 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 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.
deferred class
Bisec from GccInt
inherits TShared from MMgt
---Purpose: The deferred class GccInt_Bisec is the root class for
-- elementary bisecting loci between two simple geometric
-- objects (i.e. circles, lines or points).
-- Bisecting loci between two geometric objects are such
-- that each of their points is at the same distance from the
-- two geometric objects. It is typically a curve, such as a
-- line, circle or conic.
-- Generally there is more than one elementary object
-- which is the solution to a bisecting loci problem: each
-- solution is described with one elementary bisecting
-- locus. For example, the bisectors of two secant straight
-- lines are two perpendicular straight lines.
-- The GccInt package provides concrete implementations
-- of the following elementary derived bisecting loci:
-- - lines, circles, ellipses, hyperbolas and parabolas, and
-- - points (not used in this context).
-- The GccAna package provides numerous algorithms for
-- computing the bisecting loci between circles, lines or
-- points, whose solutions are these types of elementary bisecting locus.
uses
Circ2d from gp,
Lin2d from gp,
Pnt2d from gp,
Elips2d from gp,
Parab2d from gp,
Hypr2d from gp,
IType from GccInt
raises
DomainError from Standard
is
ArcType (me) returns IType from GccInt
is deferred;
---Purpose: Returns the type of bisecting object (line, circle,
-- parabola, hyperbola, ellipse, point).
Point (me) returns Pnt2d from gp
raises DomainError from Standard
---Purpose: Returns the bisecting line when ArcType returns Pnt.
-- An exception DomainError is raised if ArcType is not a Pnt.
is virtual;
Line (me) returns Lin2d from gp
---Purpose: Returns the bisecting line when ArcType returns Lin.
raises DomainError from Standard
---Purpose: An exception DomainError is raised if ArcType is not a Lin.
is virtual;
Circle (me) returns Circ2d from gp
---Purpose: Returns the bisecting line when ArcType returns Cir.
raises DomainError from Standard
---Purpose: An exception DomainError is raised if ArcType is not a Cir.
is virtual;
Hyperbola (me) returns Hypr2d from gp
---Purpose: Returns the bisecting line when ArcType returns Hpr.
raises DomainError from Standard
---Purpose: An exception DomainError is raised if ArcType is not a Hpr.
is virtual;
Parabola (me) returns Parab2d from gp
---Purpose: Returns the bisecting line when ArcType returns Par.
raises DomainError from Standard
---Purpose: An exception DomainError is raised if ArcType is not a Par.
is virtual;
Ellipse (me) returns Elips2d from gp
---Purpose: Returns the bisecting line when ArcType returns Ell.
raises DomainError from Standard
---Purpose: An exception DomainError is raised if ArcType is not an Ell.
is virtual;
end Bisec;