[osg-users] Cache system...

2009-04-17 Thread neil.hughes
Hi All,

I'm looking for some thoughts, and advice, on the cache process within OSG. 
Essentially a while ago (OSG1.2) I wrote an app that implemented its own 
node/texture cache in memory as I didn't want to be writing things to the file 
system as permissions were potentially a problem. I'm now looking at rewriting 
in OSG2.8, and trying to get a handle on whether the cacheing offered by OSG 
has changed at all. Essentially I want to cache objects in a memory cache, 
rather than to file. As far as I can see this isn't an option within OSG2.8, 
but I wanted to check if others new anything to the contrary ?

Thanks for any help/comments.

Neil.



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[osg-users] Cache system...

2009-04-17 Thread neil.hughes
Hi All,

I'm looking for some thoughts, and advice, on the cache process within OSG. 
Essentially a while ago (OSG1.2) I wrote an app that implemented its own 
node/texture cache in memory as I didn't want to be writing things to the file 
system as permissions were potentially a problem. I'm now looking at rewriting 
in OSG2.8, and trying to get a handle on whether the cacheing offered by OSG 
has changed at all. Essentially I want to cache objects in a memory cache, 
rather than to file. As far as I can see this isn't an option within OSG2.8, 
but I wanted to check if others new anything to the contrary ?

Thanks for any help/comments.

Neil.



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Re: [osg-users] Cache system...

2009-04-17 Thread neil.hughes
Hi Stephan,

Thanks for coming back to me. 

I think I confused myself with the filecache concept. thanks for the hint. I've 
now tracked through and found out what is happening, so it looks like I don't 
need to implement my own cache, which is great.

Thanks again.

neil.


 Stephan Maximilian Huber ratzf...@digitalmind.de wrote: 
 Hi neil,
 
 neil.hug...@tesco.net schrieb:
  Hi All,
  
  I'm looking for some thoughts, and advice, on the cache process within OSG. 
  Essentially a while ago (OSG1.2) I wrote an app that implemented its own 
  node/texture cache in memory as I didn't want to be writing things to the 
  file system as permissions were potentially a problem. I'm now looking at 
  rewriting in OSG2.8, and trying to get a handle on whether the cacheing 
  offered by OSG has changed at all. Essentially I want to cache objects in a 
  memory cache, rather than to file. As far as I can see this isn't an option 
  within OSG2.8, but I wanted to check if others new anything to the contrary 
  ?
  
  Thanks for any help/comments.
 
 Have you tried the internal cache of osg? I think it defaults to off, so
 you have to switch it on via:
 
 osgDB::ReaderWriter::Options* options = new osgDB::ReaderWriter::Options();
 options-setObjectCacheHint(osgDB::ReaderWriter::CACHE_ALL);
 
 osgDB::Registry::instance()-setOptions(options);
 
 For more infos see the documentation of osgDB::ReaderWriter::Options
 
 HTH,
 Stephan
 
 
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