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--
-- File : Torus.cdl
-- Created : Sat 9 Jan 1993
-- Author : CKY / Contract Toubro-Larsen ( SIVA )
--
---Copyright : MATRA-DATAVISION 1993
--
class Torus from IGESSolid inherits IGESEntity
---Purpose: defines Torus, Type <160> Form Number <0>
-- in package IGESSolid
-- A Torus is a solid formed by revolving a circular disc
-- about a specified coplanar axis.
uses
Pnt from gp,
Dir from gp,
XYZ from gp
is
Create returns mutable Torus;
-- Specific Methods pertaining to the class
Init (me : mutable;
R1 : Real;
R2 : Real;
aPoint : XYZ;
anAxisdir : XYZ);
---Purpose : This method is used to set the fields of the class Torus
-- - R1 : distance from center of torus to center
-- of circular disc to be revolved
-- - R2 : radius of circular disc
-- - aPoint : center point coordinates (default (0,0,0))
-- - anAxis : unit vector in axis direction (default (0,0,1))
MajorRadius (me) returns Real;
---Purpose : returns the distance from the center of torus to the center of
-- the disc to be revolved
DiscRadius (me) returns Real;
---Purpose : returns the radius of the disc to be revolved
AxisPoint (me) returns Pnt;
---Purpose : returns the center of torus
TransformedAxisPoint (me) returns Pnt;
---Purpose : returns the center of torus after applying TransformationMatrix
Axis (me) returns Dir;
---Purpose : returns direction of the axis
TransformedAxis (me) returns Dir;
---Purpose : returns direction of the axis after applying TransformationMatrix
fields
--
-- Class : IGESSolid_Torus
--
-- Purpose : Declaration of variables specific to the definition
-- of the Class Torus.
--
-- Reminder : A Torus instance is defined by :
-- the distance from the axis to the center of the disc(R1),
-- the radius of the disc(R2), the center of the torus(X1,Y1,Z1)
-- and the direction of the axis(I1,J1,K1)
--
theR1 : Real;
-- the distance from the axis to the center of the disc
theR2 : Real;
-- the radius of the disc
thePoint : XYZ;
-- the center of the torus
theAxis : XYZ;
-- the direction of the axis
end Torus;
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