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-- File: Select2D_SensitiveArc.cdl
-- Created: Tue May 23 10:46:48 1995
-- Author: Robert COUBLANC
-- <rob@photon>
---Copyright: Matra Datavision 1995
class SensitiveArc from Select2D
inherits SensitiveEntity from Select2D
---Purpose: sensitive Areas for an Arc Of Circle
-- One gives Radius and center,and limits.
-- or a geometric circle.
uses
Ax2d from gp,
EntityOwner from SelectBasics,
ListOfBox2d from SelectBasics
is
Create (OwnerId : EntityOwner from SelectBasics;
OriginAxis : Ax2d from gp;
Angle : Real from Standard;
Radius : Real from Standard;
MaxPoints : Integer=9)
returns mutable SensitiveArc ;
---Level: Public
---Purpose: Constructs a 2D sensitive arc object defined by the
-- owner OwnerId, the axis of origin OriginAxis, the
-- angle Angle, the radius Radius, and the maximum
-- number of points MaxPoints.
--
-- _.
-- \ angle /|
-- \_____/
-- \ / direction
-- \ /
-- *
Areas (me:mutable ; aresul : in out ListOfBox2d from SelectBasics) is static;
---Level: Public
---Purpose: returns the sensitive areas for a circle...
Matches (me : mutable ;
X,Y : Real from Standard;
aTol: Real from Standard;
DMin: out Real from Standard)
returns Boolean is static;
---Purpose: returns true if the minimum distance DMin
-- between the postion x,y and the circle is less than aTol..
Matches (me :mutable;
XMin,YMin,XMax,YMax : Real from Standard;
aTol: Real from Standard)
returns Boolean
is static;
fields
myradius : Real;
myax2d : Ax2d from gp;
myangle : Real;
mynbpt : Integer;
end SensitiveArc;
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