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-- File: EdgeStatus.cdl
-- Created: Tue Feb 18 10:36:07 1992
-- Author: Christophe MARION
-- <cma@sdsun1>
---Copyright: Matra Datavision 1992
class EdgeStatus from HLRAlgo
---Purpose: This class describes the Hidden Line status of an
-- Edge. It contains :
--
-- The Bounds of the Edge and their tolerances
--
-- Two flags indicating if the edge is full visible
-- or full hidden.
--
-- The Sequence of visible Intervals on the Edge.
uses
Integer from Standard,
ShortReal from Standard,
Real from Standard,
Boolean from Standard,
Intervals from Intrv
raises
OutOfRange
is
Create returns EdgeStatus from HLRAlgo;
Create(Start : Real from Standard;
TolStart : ShortReal from Standard;
End : Real from Standard;
TolEnd : ShortReal from Standard)
returns EdgeStatus from HLRAlgo;
---Purpose: Creates a new EdgeStatus. Default visible. The
-- Edge is bounded by the interval <Start>, <End>
-- with the tolerances <TolStart>, <TolEnd>.
Initialize(me : in out;
Start : Real from Standard;
TolStart : ShortReal from Standard;
End : Real from Standard;
TolEnd : ShortReal from Standard)
---Purpose: Initialize an EdgeStatus. Default visible. The
-- Edge is bounded by the interval <Start>, <End>
-- with the tolerances <TolStart>, <TolEnd>.
is static;
Bounds (me;Start : out Real from Standard;
TolStart : out ShortReal from Standard;
End : out Real from Standard;
TolEnd : out ShortReal from Standard)
---C++: inline
is static;
NbVisiblePart(me) returns Integer from Standard
is static;
VisiblePart(me; Index : Integer from Standard;
Start : out Real from Standard;
TolStart : out ShortReal from Standard;
End : out Real from Standard;
TolEnd : out ShortReal from Standard)
is static;
Hide(me : in out; Start : Real from Standard;
TolStart : ShortReal from Standard;
End : Real from Standard;
TolEnd : ShortReal from Standard;
OnFace : Boolean from Standard;
OnBoundary : Boolean from Standard)
---Purpose: Hides the interval <Start>, <End> with the
-- tolerances <TolStart>, <TolEnd>. This interval is
-- subtracted from the visible parts. If the hidden
-- part is on ( or under ) the face the flag <OnFace>
-- is True ( or False ). If the hidden part is on (
-- or inside ) the boundary of the face the flag
-- <OnBoundary> is True ( or False ).
is static;
HideAll(me : in out)
---C++: inline
---Purpose: Hide the whole Edge.
is static;
ShowAll(me : in out)
---C++: inline
---Purpose: Show the whole Edge.
is static;
AllHidden(me) returns Boolean from Standard
---C++: inline
is static;
AllHidden(me : in out; B : Boolean from Standard)
---C++: inline
is static;
AllVisible(me) returns Boolean from Standard
---C++: inline
is static;
AllVisible(me : in out; B : Boolean from Standard)
---C++: inline
is static;
fields
myStart : Real from Standard;
myEnd : Real from Standard;
myTolStart : ShortReal from Standard;
myTolEnd : ShortReal from Standard;
myFlags : Boolean from Standard;
myVisibles : Intervals from Intrv;
end EdgeStatus;
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