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--
-- File: Visual3d_ClipPlane.cdl
-- Created: Vendredi 6 Septembre 1991
-- Author: NW,JPB,CAL
--
---Copyright: MatraDatavision 1991,1992,1993,1994
--
class ClipPlane from Visual3d inherits TShared
---Version:
---Purpose: This class allows the definition and update
-- of clipping planes in the space model.
---Keywords: Clipping Plane, Model Clipping
---Warning:
---References:
uses
CPlane from Graphic3d
is
Create ( ACoefA : Real from Standard;
ACoefB : Real from Standard;
ACoefC : Real from Standard;
ACoefD : Real from Standard )
returns mutable ClipPlane from Visual3d;
---Level: Internal
---Purpose: Creates a clipping plane from the equation :
-- <ACoefA>*X + <ACoefB>*Y + <ACoefC>*Z + <ACoefD> = 0.0
---------------------------------------------------
-- Category: Methods to modify the class definition
---------------------------------------------------
SetPlane ( me : mutable;
ACoefA : Real from Standard;
ACoefB : Real from Standard;
ACoefC : Real from Standard;
ACoefD : Real from Standard )
is static;
---Level: Internal
---Purpose: Modifies the plane equation.
---Category: Methods to modify the class definition
--------------------------
-- Category: Class methods
--------------------------
Limit ( myclass )
returns Integer from Standard;
---Level: Internal
---Purpose: Maximum number of activatable clipping planes.
---Category: Class methods
----------------------------
-- Category: Inquire methods
----------------------------
Plane ( me;
ACoefA : out Real from Standard;
ACoefB : out Real from Standard;
ACoefC : out Real from Standard;
ACoefD : out Real from Standard )
is static;
---Level: Internal
---Purpose: Returns the values of the clipping plane <me>.
---Category: Inquire methods
----------------------------
-- Category: Private methods
----------------------------
Identification ( me )
returns Integer from Standard
is static private;
---Level: Internal
---Purpose: Returns the plane identification.
---Category: Private methods
--
fields
--
-- Class : Visual3d_ClipPlane
--
-- Purpose : Declaration of variables specific to the
-- clipping plane model
--
-- Reminders : A clipping plane is defined by its equation
-- Equation : A*X + B*Y + C*Z + D = 0
--
-- the associated C structure
MyCPlane : CPlane from Graphic3d;
friends
class View from Visual3d
end ClipPlane;
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