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--
-- File : SphericalSurface.cdl
-- Created : Sat 9 Jan 1993
-- Author : CKY / Contract Toubro-Larsen ( SIVA )
--
---Copyright : MATRA-DATAVISION 1993
--
class SphericalSurface from IGESSolid inherits IGESEntity
---Purpose: defines SphericalSurface, Type <196> Form Number <0,1>
-- in package IGESSolid
-- Spherical surface is defined by a center and radius.
-- In case of parametrised surface an axis and a
-- reference direction is provided.
uses
Point from IGESGeom,
Direction from IGESGeom,
Pnt from gp
is
Create returns mutable SphericalSurface;
-- Specific Methods pertaining to the class
Init (me : mutable;
aCenter : Point;
aRadius : Real;
anAxis : Direction;
aRefdir : Direction);
---Purpose : This method is used to set the fields of the class
-- SphericalSurface
-- - aCenter : the coordinates of the center point
-- - aRadius : value of radius
-- - anAxis : the direction of the axis
-- Null in case of Unparametrised surface
-- - aRefdir : the reference direction
-- Null in case of Unparametrised surface
Center(me) returns Point;
---Purpose : returns the center of the spherical surface
TransformedCenter(me) returns Pnt;
---Purpose : returns the center of the spherical surface after applying
-- TransformationMatrix
Radius(me) returns Real;
---Purpose : returns the radius of the spherical surface
Axis(me) returns Direction;
---Purpose : returns the direction of the axis (Parametrised surface)
-- Null is returned if the surface is not parametrised
ReferenceDir(me) returns Direction;
---Purpose : returns the reference direction (Parametrised surface)
-- Null is returned if the surface is not parametrised
IsParametrised(me) returns Boolean;
---Purpose : Returns True if the surface is parametrised, else False
fields
--
-- Class : IGESSolid_SphericalSurface
--
-- Purpose : Declaration of variables specific to the definition
-- of the Class SphericalSurface.
--
-- Reminder : A SphericalSurface instance is defined by :
-- the center point coordinates (Center), a radius (Radius).
-- In case of Parametrised surface, the direction of the axis
-- (Axis) and a reference direction (RefDir) is given.
--
theCenter : Point;
-- the center of the spherical surface
theRadius : Real;
-- the radius of the spherical surface
theAxis : Direction;
-- the direction of the axis (Parametrised surface)
theRefDir : Direction;
-- the reference direction (Parametrised surface)
end SphericalSurface;
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