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-- File: FaceClassifier.cdl
-- Created: Tue Nov 17 14:34:03 1992
-- Author: Remi LEQUETTE
-- <rle@phylox>
---Copyright: Matra Datavision 1992
generic class FaceClassifier from TopClass
(TheFaceExplorer as any;
TheEdge as any;
TheIntersection2d as any)
---Purpose: Provides an algorithm to classify a point in a 2D
-- face (or in the UV space of a face on a surface).
uses
Pnt2d from gp,
Position from IntRes2d,
State from TopAbs
raises
DomainError
class FClass2d instantiates Classifier2d from TopClass
(TheEdge, TheIntersection2d);
is
Create returns FaceClassifier from TopClass;
---Purpose: Empty constructor, undefined algorithm.
Create(F : in out TheFaceExplorer; P : Pnt2d from gp; Tol : Real)
returns FaceClassifier from TopClass;
---Purpose: Creates an algorithm to classify the Point P with
-- Tolerance <T> on the face described by <F>.
Perform(me : in out;
F : in out TheFaceExplorer; P : Pnt2d from gp; Tol : Real)
---Purpose: Classify the Point P with Tolerance <T> on the
-- face described by <F>.
is static;
State(me) returns State from TopAbs
---Purpose: Returns the result of the classification.
is static;
Rejected(me) returns Boolean
---Purpose: Returns True when the state was computed by a
-- rejection. The state is OUT.
---C++: inline
is static;
NoWires(me) returns Boolean
---Purpose: Returns True if the face contains no wire. The
-- state is IN.
---C++: inline
is static;
Edge(me) returns TheEdge
---Purpose: Returns the Edge used to determine the
-- classification. When the State is ON this is the
-- Edge containing the point.
---C++: return const &
raises
DomainError -- when no edge was used (rejected or nowires)
is static;
EdgeParameter(me) returns Real from Standard
---Purpose: Returns the parameter on Edge() used to determine the
-- classification.
raises
DomainError -- when no edge was used (rejected or nowires)
is static;
Position(me) returns Position from IntRes2d
---Purpose: Returns the position of the point on the edge
-- returned by Edge.
---C++: inline
is static;
fields
myClassifier : FClass2d is protected;
myEdge : TheEdge is protected;
myEdgeParameter : Real from Standard is protected;
myPosition : Position from IntRes2d is protected;
rejected : Boolean from Standard is protected;
nowires : Boolean from Standard is protected;
end FaceClassifier;
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