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113 lines
3.2 KiB
Plaintext
Executable File
113 lines
3.2 KiB
Plaintext
Executable File
-- File: SelectBasics_SensitiveEntity.cdl
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-- Created: Mon Jan 23 11:05:19 1995
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-- Author: Mister rmi
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-- <rmi@photon>
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---Copyright: Matra Datavision 1995
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deferred class SensitiveEntity from SelectBasics inherits TShared from MMgt
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---Purpose: root class ; the inheriting classes will be able to give
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-- sensitive Areas for the dynamic selection algorithms
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uses
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EntityOwner,
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ListOfBox2d,
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Array1OfPnt2d from TColgp,
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Box2d from Bnd
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is
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Initialize (OwnerId : EntityOwner;
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aSensitivityFactor : ShortReal from Standard =1);
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Set (me:mutable ; TheOwnerId : EntityOwner) is static;
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---Level: Public
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OwnerId(me) returns any EntityOwner is static;
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---Level: Public
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---C++: return const&
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Areas(me:mutable; aresult : in out ListOfBox2d ) is deferred;
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---Level: Public
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---Purpose: to be implemented specifically by each type of
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-- sensitive primitive .
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--
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Matches (me :mutable;
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X,Y : Real from Standard;
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aTol: Real from Standard;
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DMin: out Real from Standard)
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returns Boolean
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is deferred;
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---Level: Public
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---Purpose: returns True if the object is very close to the
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-- sensitive areas it gave to the selector...
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-- returns the minimum distance found if no match;
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--
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-- to be implemented specifically by each type of
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-- sensitive primitive .
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Matches (me :mutable;
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XMin,YMin,XMax,YMax : Real from Standard;
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aTol: Real from Standard)
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returns Boolean
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is deferred;
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---Level: Public
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---Purpose: returns True if the box (Xmin,YMin)------(Xmax,Ymax)
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-- contains the SensitiveEntity.
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-- Necessary for selection using elastic boxes,or segments.
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Matches (me :mutable;
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Polyline:Array1OfPnt2d from TColgp;
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aBox:Box2d from Bnd;
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aTol: Real from Standard)
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returns Boolean
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is deferred;
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---Level: Public
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---Purpose: returns True if the polyline xi,yi
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-- contains the SensitiveEntity.
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-- Necessary for selection using polyline selection
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NeedsConversion(me) returns Boolean is deferred ;
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Is3D(me) returns Boolean from Standard is deferred;
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---Purpose: returns True if able to give 3D information
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-- (Depth,...). See Select3D
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Depth(me) returns Real from Standard is virtual;
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---Level: Internal
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---Purpose: Sort Selected entities according to depth...
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MaxBoxes(me) returns Integer is deferred;
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---Purpose: returns the max number of boxes the entity is able to give
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-- at a time
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SetSensitivityFactor(me:mutable; aFactor:ShortReal from Standard);
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---C++: inline
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SensitivityFactor(me) returns ShortReal from Standard;
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---C++: inline
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---Purpose: allows a better sensitivity for
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-- a specific entity in selection algorithms
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-- useful for small sized entities.
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fields
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myOwnerId : EntityOwner from SelectBasics is protected;
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mySFactor : ShortReal from Standard;
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end SensitiveEntity;
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