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-- File: Poly_Triangle.cdl
-- Created: Mon Mar 6 09:50:53 1995
-- Author: Laurent PAINNOT
-- <lpa@metrox>
---Copyright: Matra Datavision 1995
class Triangle from Poly
---Purpose: Describes a component triangle of a triangulation
-- (Poly_Triangulation object).
-- A Triangle is defined by a triplet of nodes. Each node is an
-- index in the table of nodes specific to an existing
-- triangulation of a shape, and represents a point on the surface.
raises
OutOfRange from Standard
is
Create returns Triangle from Poly;
---Purpose: Constructs a triangle and sets all indices to zero.
Create(N1,N2,N3 : Integer)
returns Triangle from Poly;
---Purpose: Constructs a triangle and sets its three indices
-- to N1, N2 and N3 respectively, where these node values
-- are indices in the table of nodes specific to an existing
-- triangulation of a shape.
Set(me : in out; N1,N2,N3 : Integer);
---Purpose: Sets the value of the three nodes of this triangle to N1, N2 and N3 respectively.
Set(me : in out; Index, Node : Integer)
---Purpose: Sets the value of the Indexth node of this triangle to Node.
-- Raises OutOfRange if Index is not in 1,2,3
raises
OutOfRange from Standard;
---C++: inline
Get(me; N1,N2,N3 : in out Integer);
--- Purpose: Returns the node indices of this triangle in N1, N2 and N3.
Value(me; Index : Integer) returns Integer
---Purpose: Get the node of given Index.
-- Raises OutOfRange from Standard if Index is not in 1,2,3
raises
OutOfRange from Standard;
---C++: inline
---C++: alias operator()
ChangeValue(me : in out; Index : Integer) returns Integer
---Purpose: Get the node of given Index.
-- Raises OutOfRange if Index is not in 1,2,3
raises
OutOfRange from Standard;
---C++: inline
---C++: return &
---C++: alias operator()
fields
myNodes : Integer [3];
end Triangle;
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