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--
-- File : IGESDraw.cdl
-- Created : Mon 11 Jan 1993
-- Author : CKY / Contract Toubro-Larsen (Niraj RANGWALA)
--
---Copyright : MATRA-DATAVISION 1993
--
package IGESDraw
---Purpose : This package contains the group of classes necessary for
-- Structure Entities implied in Drawings and Structured
-- Graphics (Sets for drawing, Drawings and Views).
uses
Standard,
TCollection,
gp,
TColgp,
TColStd,
Message,
Interface,
IGESData,
IGESDimen,
IGESBasic,
IGESGraph,
IGESGeom
is
class ConnectPoint;
-- type <132> form <0>
---Purpose : Connect Point Entity describes a point of connection for
-- zero, one or more entities. It is referenced from Composite
-- curve, or Network Subfigure Definition/Instance, or the Flow
-- Associative Instance, or it may stand alone.
class NetworkSubfigureDef;
-- type <320> form <0>
---Purpose : This class differs from the ordinary subfigure definition
-- in that it defines a specialized subfigure, one whose
-- instances may participate in networks.
class ViewsVisible;
-- type <402> form <3>
---Purpose : If an entity is to be displayed in more than one views,
-- this class instance is used, which contains the Visible
-- views and the associated entity Displays.
class ViewsVisibleWithAttr;
-- type <402> form <4>
---Purpose : This class is extension of Class ViewsVisible. It is used
-- for those entities that are visible in multiple views, but
-- must have a different line font, color number, or
-- line weight in each view.
class LabelDisplay;
-- type <402> form <5>
---Purpose : Permits one or more displays for the
-- entity labels of an entity
class Planar;
-- type <402> form <16>
---Purpose : Indicates that a collection of entities is coplanar. The
-- entities may be geometric, annotative, and/or structural.
class SegmentedViewsVisible;
-- type <402> form <19>
---Purpose : Permits the association of display parameters with the
-- segments of curves in a given view
class Drawing;
-- type <404> form <0>
---Purpose : Specifies a drawing as a collection of annotation entities
-- defined in drawing space, and views which together
-- constitute a single representation of a part
class DrawingWithRotation;
-- type <404> form <1>
---Purpose : Permits rotation, in addition to transformation and
-- scaling, between the view and drawing coordinate systems
class View;
-- type <410> form <0>
---Purpose : Used to define a framework for specifying a viewing
-- orientation of an object in three dimensional model
-- space (X,Y,Z). The framework is also used to support
-- the projection of all or part of model space onto a
-- view volume.
class RectArraySubfigure;
-- type <412> form 0
---Purpose : Used to produce copies of an object called the base entity,
-- arranging them in equally spaced rows and columns
class CircArraySubfigure;
-- type <414> form <0>
---Purpose : Used to produce copies of an object called the base entity,
-- arranging them around the edge of an imaginary circle
-- whose center and radius are specified
class NetworkSubfigure;
-- type <420> form <0>
---Purpose : Used to specify each instance of Network Subfigure
-- definition Entity (Type <320>).
class PerspectiveView;
-- type <410> form <1>
---Purpose : Supports a perspective view.
-- Any geometric projection is defined by a view plane
-- and the projectors that pass through the view plane.
-- Projectors can be visualized as rays of light that
-- form an image by passing through the viewed object
-- and striking the view plane.
-- The projectors are defined via a point called the
-- Center-of-Projection or the eye-point.
-- A perspective view is formed by all projectors that
-- emanate from the Center-of-Projection and pass
-- through the view plane.
-- Tools for Entities --
class ToolConnectPoint;
class ToolNetworkSubfigureDef;
class ToolViewsVisible;
class ToolViewsVisibleWithAttr;
class ToolLabelDisplay;
class ToolPlanar;
class ToolSegmentedViewsVisible;
class ToolDrawing;
class ToolDrawingWithRotation;
class ToolView;
class ToolRectArraySubfigure;
class ToolCircArraySubfigure;
class ToolNetworkSubfigure;
class ToolPerspectiveView;
-- Definition and Exploitation of Entities defined in this Package
class Protocol;
class ReadWriteModule;
class GeneralModule;
class SpecificModule;
-- The class instantiations :
class Array1OfConnectPoint instantiates
Array1 from TCollection (ConnectPoint);
class Array1OfViewKindEntity instantiates
Array1 from TCollection (ViewKindEntity from IGESData);
class HArray1OfConnectPoint instantiates HArray1 from TCollection
(ConnectPoint,Array1OfConnectPoint);
class HArray1OfViewKindEntity instantiates HArray1 from TCollection
(ViewKindEntity from IGESData,Array1OfViewKindEntity);
-- Package Methods :
Init;
---Purpose : Prepares dynamic data (Protocol, Modules) for this package
Protocol returns Protocol from IGESDraw;
---Purpose : Returns the Protocol for this Package
end IGESDraw;
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