Open CASCADE Technology 6.6.0
Data Structures
Vrml_Instancing.hxx File Reference
#include <Standard.hxx>
#include <Standard_DefineAlloc.hxx>
#include <Standard_Macro.hxx>
#include <TCollection_AsciiString.hxx>
#include <Standard_OStream.hxx>

Data Structures

class  Vrml_Instancing
 defines "instancing" - using the same instance of a node
multiple times.
It is accomplished by using the "DEF" and "USE" keywords.
The DEF keyword both defines a named node, and creates a single
instance of it.
The USE keyword indicates that the most recently defined instance
should be used again.
If several nades were given the same name, then the last DEF
encountered during parsing "wins".
DEF/USE is limited to a single file.
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