[osg-users] How to check if pagedLod already exists in databasepager with same filename

[Simone Rapposelli]

Hi Trajce,

thank you, but the problem is that even if I can keep track of new PagedLods, it is not sufficient because DatabasePager unloads no more used PagedLods and there is no way (or at least I don't know how) to know which they are.


Trajce Nikolov NICK wrote:
> Hi Simone,
> 
> just a fast thought ... Maybe you make a simple std::map to keep track of what has been loaded and what is new
> 
> 
> On Tue, Nov 29, 2016 at 1:37 PM, Simone Rapposelli < ()> wrote:
> 
> > Hi Robert,
> > 
> > thank you for your fast reply.
> > My problem is that osgDB::ReaderWriter::ReadResult readNode(const std::string &fileName, const osgDB::ReaderWriter::Options *options) gets called even if a PagedLod with the same fileName has been previously loaded: for example, this happens if I move to any position on the viewer and then come back.
> > Thus, inside this function I need to check if any of the PagedLod currently loaded in DatabasePager has the same fileName of the passed argument: in this case I could avoid to reload data already in memory.
> > 
> > Thank you!
> > 
> > Cheers,
> > Simone
> > 
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> > Read this topic online here:
> > http://forum.openscenegraph.org/viewtopic.php?p=69524#69524 (http://forum.openscenegraph.org/viewtopic.php?p=69524#69524)
> > 
> > 
> > 
> > 
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> -- 
> trajce nikolov nick
> 
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Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=69528#69528