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--
-- File : Flash.cdl
-- Created : Sat 9 Jan 1993
-- Author : CKY / Contract Toubro-Larsen ( TCD )
--
---Copyright : MATRA-DATAVISION 1993
--
class Flash from IGESGeom inherits IGESEntity
---Purpose: defines IGESFlash, Type <125> Form <0 - 4>
-- in package IGESGeom
-- A flash entity is a point in the ZT=0 plane that locates
-- a particular closed area. That closed area can be defined
-- in one of two ways. First, it can be an arbitrary closed
-- area defined by any entity capable of defining a closed
-- area. The points of this entity must all lie in the ZT=0
-- plane. Second, it can be a member of a predefined set of
-- flash shapes.
uses
Pnt from gp,
Pnt2d from gp,
XY from gp
raises OutOfRange
is
Create returns mutable Flash;
-- Specific Methods pertaining to the class
Init (me : mutable;
aPoint : XY;
aDim : Real;
anotherDim : Real;
aRotation : Real;
aReference : IGESEntity);
---Purpose : This method is used to set the fields of the class Flash
-- - aPoint : Reference of flash
-- - aDim : First flash sizing parameter
-- - anotherDim : Second flash sizing parameter
-- - aRotation : Rotation of flash about reference point
-- in radians
-- - aReference : Pointer to the referenced entity or Null
SetFormNumber (me : mutable; form : Integer) raises OutOfRange;
---Purpose : Changes FormNumber (indicates the Nature of the Flash :
-- 0 Unspecified, then given by Reference, 1->4 various
-- Specialisations (Circle,Rectangle, etc...) )
-- Error if not in range [0-4]
ReferencePoint (me) returns Pnt2d;
---Purpose : returns the referenced point, Z = 0 always
TransformedReferencePoint (me) returns Pnt;
---Purpose : returns the referenced point after applying Transf. Matrix
Dimension1 (me) returns Real;
---Purpose : returns first flash sizing parameter
Dimension2 (me) returns Real;
---Purpose : returns second flash sizing parameter
Rotation (me) returns Real;
---Purpose : returns the angle in radians of the rotation of flash about the
-- reference point
ReferenceEntity (me) returns IGESEntity;
---Purpose : returns the referenced entity or Null handle.
HasReferenceEntity (me) returns Boolean;
---Purpose : returns True if referenced entity is present.
fields
--
-- Class : IGESGeom_Flash
--
-- Purpose : Declaration of variables specific to the definition
-- of the Class Flash.
--
-- Reminder : A Flash instance is defined by :
-- A reference position, sizing and orientation parameters
-- and an optional referenced entity
thePoint : XY;
theDim1 : Real;
theDim2 : Real;
theRotation : Real;
theReference : IGESEntity;
end Flash;
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