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--
-- File : CircArraySubfigure.cdl
-- Created : Mon 11 Jan 1993
-- Author : CKY / Contract Toubro-Larsen ( Niraj RANGWALA )
--
---Copyright : MATRA-DATAVISION 1993
--
class CircArraySubfigure from IGESDraw
inherits IGESEntity
---Purpose: Defines IGES Circular Array Subfigure Instance Entity,
-- Type <414> Form Number <0> in package IGESDraw
--
-- Used to produce copies of object called the base entity,
-- arranging them around the edge of an imaginary circle
-- whose center and radius are specified
uses
HArray1OfInteger from TColStd,
XYZ from gp,
Pnt from gp
raises OutOfRange
is
Create returns mutable CircArraySubfigure;
-- Specific Methods pertaining to the class
Init (me : mutable;
aBase : IGESEntity;
aNumLocs : Integer;
aCenter : XYZ;
aRadius : Real;
aStAngle : Real;
aDelAngle : Real;
aFlag : Integer;
allNumPos : HArray1OfInteger);
---Purpose : This method is used to set the fields of the class
-- CircArraySubfigure
-- - aBase : Base entity
-- - aNumLocs : Total number of possible instance locations
-- - aCenter : Coordinates of Center of imaginary circle
-- - aRadius : Radius of imaginary circle
-- - aStAngle : Start angle in radians
-- - aDelAngle : Delta angle in radians
-- - aFlag : DO-DON'T flag to control which portion to
-- display
-- - allNumPos : All position to be or not to be processed
BaseEntity (me) returns IGESEntity;
---Purpose : returns the base entity, copies of which are produced
NbLocations (me) returns Integer;
---Purpose : returns total number of possible instance locations
CenterPoint (me) returns Pnt;
---Purpose : returns the center of the imaginary circle
TransformedCenterPoint (me) returns Pnt;
---Purpose : returns the Transformed center of the imaginary circle
CircleRadius (me) returns Real;
---Purpose : returns the radius of the imaginary circle
StartAngle (me) returns Real;
---Purpose : returns the start angle in radians
DeltaAngle (me) returns Real;
---Purpose : returns the delta angle in radians
ListCount (me) returns Integer;
---Purpose : returns 0 if all elements to be displayed
DisplayFlag (me) returns Boolean;
---Purpose : returns True if (ListCount = 0) all elements are to be displayed
DoDontFlag (me) returns Boolean;
---Purpose : returns 0 if half or fewer of the elements of the array are defined
-- 1 if half or more of the elements are defined
PositionNum (me; Index : Integer) returns Boolean
raises OutOfRange;
---Purpose : returns whether Index is to be processed (DO)
-- or not to be processed(DON'T)
-- if (ListCount = 0) return theDoDontFlag
-- raises exception if Index <= 0 or Index > ListCount().
ListPosition (me; Index : Integer) returns Integer
raises OutOfRange;
---Purpose : returns the Index'th value position
-- raises exception if Index <= 0 or Index > ListCount().
fields
--
-- Class : IGESDraw_CircArraySubfigure
--
-- Purpose : Declaration of the variables specific to a CircArraySubfigure.
--
-- Reminder : A Circular Array Subfigure Instance is defined by :
-- - a base entity which is replicated
-- - total number of possible instance locations
-- - coordinates of Center of imaginary circle
-- - radius of imaginary circle
-- - start angle to govern the location of first instance
-- - delta angle to govern successive instances' distribution
-- - a DO-DON'T flag to control which portion to display
--
theBaseEntity : IGESEntity;
theNbLocations : Integer;
theCenter : XYZ;
theRadius : Real;
theStartAngle : Real;
theDeltaAngle : Real;
theDoDontFlag : Integer;
thePositions : HArray1OfInteger;
end CircArraySubfigure;
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