HI Aaron, On 31 August 2015 at 12:50, Aaron Andersen <[email protected]> wrote:
> Might it make sense to add an optional callback to either the > PagedLOD+ProxyNode classes or to the DatabasePager for when loading of a > node is complete? If so, would patches be accepted? > The osgDB::ReadFileCallback allows you to report when a subgraph is loaded by allowing you to call the standard osgDB::Registry::readFile(..) and then process the subgraph, do any optional signally you want and return the processed subgraph. However, if you actually want to take charge of when the subgraph is actually merged then there isn't presently a callback from it but you can subclass from osgDB::DatabasePager and override the DartabasePager::updateSceneGraph() method there merged loaded subgraphs with the main scene graph. Robert.
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