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--
-- File : Drawing.cdl
-- Created : Sat 9 Jan 1993
-- Author : CKY / Contract Toubro-Larsen ( TCD )
--
---Copyright : MATRA-DATAVISION 1993
--
class Drawing from IGESDraw inherits IGESEntity
---Purpose: defines IGESDrawing, Type <404> Form <0>
-- in package IGESDraw
--
-- Specifies a drawing as a collection of annotation entities
-- defined in drawing space, and views which together
-- constitute a single representation of a part
uses
HArray1OfIGESEntity from IGESData,
ViewKindEntity from IGESData,
HArray1OfViewKindEntity from IGESDraw,
Pnt2d from gp,
XYZ from gp,
XY from gp,
HArray1OfXY from TColgp
raises DimensionMismatch, OutOfRange
is
Create returns mutable Drawing;
-- Specific Methods pertaining to the class
Init (me : mutable;
allViews : HArray1OfViewKindEntity;
allViewOrigins : HArray1OfXY;
allAnnotations : HArray1OfIGESEntity)
raises DimensionMismatch;
---Purpose : This method is used to set the fields of the class
-- Drawing
-- - allViews : Pointers to DEs of View entities
-- - allViewOrigins : Origin coordinates of transformed Views
-- - allAnnotations : Pointers to DEs of Annotation entities
-- raises exception if Lengths of allViews and allViewOrigins are
-- not same.
NbViews (me) returns Integer;
---Purpose : returns the number of view pointers in <me>
ViewItem (me; ViewIndex : Integer) returns ViewKindEntity
raises OutOfRange;
---Purpose : returns the ViewKindEntity indicated by ViewIndex
-- raises an exception if ViewIndex <= 0 or ViewIndex > NbViews().
ViewOrigin (me; TViewIndex : Integer) returns Pnt2d
raises OutOfRange;
---Purpose : returns the Drawing space coordinates of the origin of the
-- Transformed view indicated by TViewIndex
-- raises an exception if TViewIndex <= 0 or TViewIndex > NbViews().
NbAnnotations (me) returns Integer;
---Purpose : returns the number of Annotation entities in <me>
Annotation (me; AnnotationIndex : Integer) returns IGESEntity
raises OutOfRange;
---Purpose : returns the Annotation entity in this Drawing, indicated by the
-- AnnotationIndex
-- raises an exception if AnnotationIndex <= 0 or
-- AnnotationIndex > NbAnnotations().
-- infered informations
ViewToDrawing(me; NumView : Integer; ViewCoords : XYZ)
returns XY;
-- returns the Transformation of a View from View space to
-- Drawing space.
DrawingUnit (me; value : out Real) returns Boolean;
---Purpose : Returns the Drawing Unit Value if it is specified (by a
-- specific property entity)
-- If not specified, returns False, and val as zero :
-- unit to consider is then the model unit in GlobalSection
DrawingSize (me; X,Y : out Real) returns Boolean;
---Purpose : Returns the Drawing Size if it is specified (by a
-- specific property entity)
-- If not specified, returns False, and X,Y as zero :
-- unit to consider is then the model unit in GlobalSection
fields
--
-- Class : IGESDraw_Drawing
--
-- Purpose : Declaration of the variables specific to a
-- Drawing Entity.
--
-- Reminder : A Drawing Entity is defined by :
-- - Pointers to DEs of View entities
-- - Origin coordinates of transformed views
-- - Pointers to DEs of Annotation entities
--
theViews : HArray1OfViewKindEntity;
theViewOrigins : HArray1OfXY;
theAnnotations : HArray1OfIGESEntity;
end Drawing;
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