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Diagrammer > Programmer's documentation > Developing with the JViews Diagrammer SDK > Introducing the SDK > Composite graphics and symbols
 
Composite graphics and symbols
The Composite package ( ilog.views.graphic.composite) and its subpackages in JViews Framework contain the Composite Graphics classes.
The main entry point to the package is the class IlvCompositeGraphic.
In Rogue Wave JViews Diagrammer, there is a specialized subclass, IlvSDMCompositeNode, which provides composite nodes that can be in layers.
The Composite Graphics subpackages include:
*ilog.views.graphic.composite.layout: The layout managers for child elements of composite graphics. There are three possible Layout Manager classes:
*IlvAttachmentLayout
*IlvCenteredLayout
*IlvStackerLayout
For a description of composite graphics in Rogue Wave® JViews Diagrammer and an example, see Using composite graphics.
A symbol is an abstraction of composite graphic that can be used only through style sheets, see Managing dynamic symbols.
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