added SceneInterface::visibilityName = scene:visible

Author: davidsminor

include/IECore/SceneInterface.h

@@ -92,6 +92,8 @@ class SceneInterface : public RunTimeTyped
 		static const Name &rootName;
 		/// Utility variable that can be used anytime you want to refer to the root path in the Scene.
 		static const Path &rootPath;
+		/// Name of the visibility attribute
+		static const Name visibilityName;
 
 		/// Create an instance of a subclass which is able to open the file found at "path".
 		/// Files can be opened for Read, Write, or Append depending on the derived classes.

src/IECore/SceneInterface.cpp

@@ -42,6 +42,7 @@ IE_CORE_DEFINERUNTIMETYPEDDESCRIPTION( SceneInterface )
 
 const SceneInterface::Name &SceneInterface::rootName = IndexedIO::rootName;
 const SceneInterface::Path &SceneInterface::rootPath = IndexedIO::rootPath;
+const SceneInterface::Name SceneInterface::visibilityName( "scene:visible" );
 
 class SceneInterface::CreatorMap : public std::map< std::pair< std::string, IndexedIO::OpenModeFlags >, CreatorFn>
 {