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--
-- File : ConicalSurface.cdl
-- Created : Sat 9 Jan 1993
-- Author : CKY / Contract Toubro-Larsen ( SIVA )
--
---Copyright : MATRA-DATAVISION 1993
--
class ConicalSurface from IGESSolid inherits IGESEntity
---Purpose: defines ConicalSurface, Type <194> Form Number <0,1>
-- in package IGESSolid
-- The right circular conical surface is defined by a
-- point on the axis on the cone, the direction of the axis
-- of the cone, the radius of the cone at the axis point and
-- the cone semi-angle.
uses
Point from IGESGeom,
Direction from IGESGeom
is
Create returns mutable ConicalSurface;
-- Specific Methods pertaining to the class
Init (me : mutable;
aLocation : Point;
anAxis : Direction;
aRadius : Real;
anAngle : Real;
aRefdir : Direction);
---Purpose : This method is used to set the fields of the class
-- ConicalSurface
-- - aLocation : Location of the point on axis
-- - anAxis : Direction of the axis
-- - aRadius : Radius at axis point
-- - anAngle : Value of semi-angle in degrees (0<angle<90)
-- - aRefdir : Reference direction (parametrised surface)
-- Null if unparametrised surface.
LocationPoint(me) returns Point;
---Purpose : returns the location of the point on the axis
Axis(me) returns Direction;
---Purpose : returns the direction of the axis
Radius(me) returns Real;
---Purpose : returns the radius at the axis point
SemiAngle(me) returns Real;
---Purpose : returns the semi-angle value
ReferenceDir(me) returns Direction;
---Purpose : returns the reference direction of the conical surface in case
-- of parametrised surface. For unparametrised surface it returns
-- NULL.
IsParametrised(me) returns Boolean;
---Purpose : returns True if Form no is 1 else false
fields
--
-- Class : IGESSolid_ConicalSurface
--
-- Purpose : Declaration of variables specific to the definition
-- of the Class ConicalSurface.
--
-- Reminder : A ConicalSurface instance is defined by :
-- a point on the axis of the cone(Location), the direction of
-- the axis of the cone(Axis), the radius of the cone at the axis
-- point(Radius) and the cone semi-angle(Angle). If the surface
-- is parametrised then a reference direction is given(RefDir).
--
theLocationPoint : Point;
-- the location of the point on the axis
theAxis : Direction;
-- the direction of the axis
theRadius : Real;
-- the radius at the axis point
theAngle : Real;
-- the semi-angle of the cone
theRefDir : Direction;
-- the reference direction (for parametrised surface alone)
end ConicalSurface;
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