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--
-- File : Planar.cdl
-- Created : Sat 9 Jan 1993
-- Author : CKY / Contract Toubro-Larsen ( TCD )
--
---Copyright : MATRA-DATAVISION 1993
--
class Planar from IGESDraw inherits IGESEntity
---Purpose: defines IGESPlanar, Type <402> Form <16>
-- in package IGESDraw
--
-- Indicates that a collection of entities is coplanar.The
-- entities may be geometric, annotative, and/or structural.
uses
TransformationMatrix from IGESGeom,
HArray1OfIGESEntity from IGESData
raises OutOfRange
is
Create returns mutable Planar;
-- Specific Methods pertaining to the class
Init (me : mutable;
nbMats : Integer;
aTransformationMatrix : TransformationMatrix;
allEntities : HArray1OfIGESEntity);
---Purpose : This method is used to set the fields of the class Planar
-- - nbMats : Number of Transformation matrices
-- - aTransformationMatrix : Pointer to the Transformation matrix
-- - allEntities : Pointers to the entities specified
NbMatrices (me) returns Integer;
---Purpose : returns the number of Transformation matrices in <me>
NbEntities (me) returns Integer;
---Purpose : returns the number of Entities in the plane pointed to by this
-- associativity
IsIdentityMatrix (me) returns Boolean;
---Purpose : returns True if TransformationMatrix is Identity Matrix,
-- i.e:- No Matrix defined.
TransformMatrix (me) returns TransformationMatrix;
---Purpose : returns the Transformation matrix moving data from the XY plane
-- into space or zero
Entity (me; EntityIndex : Integer) returns IGESEntity
raises OutOfRange;
---Purpose : returns the Entity on the specified plane, indicated by EntityIndex
-- raises an exception if EntityIndex <= 0 or
-- EntityIndex > NbEntities()
fields
--
-- Class : IGESDraw_Planar
--
-- Purpose : Declaration of the variables specific to a Planar Entity.
--
-- Reminder : A Planar Entity is defined by :
-- - Number of Transformation matrices
-- - Pointer to the Transformation matrix
-- - Pointers to the entities specified
--
theNbMatrices : Integer;
theTransformationMatrix : TransformationMatrix;
theEntities : HArray1OfIGESEntity;
end Planar;
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