On Wed, Mar 18, 2009 at 4:05 PM, Marcus Lindblom <[email protected]> wrote: > Allen Bierbaum wrote: >> Hello all: >> >> As part of the on-going work to consume less memory in our >> application, are starting to use the osgsquish library to create DXT >> images from our existing PNG images. The issue we are running into is >> that we don't want to have to reprocess these image each time we load >> them from cache. Instead we would like to download them once, convert >> them to DXT once, and then store them to cache for future use. >> >> The question is, how can we store and OSG::Image (in DXT pixel format) >> in a binary form to disk that will read/write as fast as possible. I >> was thinking of something like .osb, but it doesn't support individual >> FCs. Then I thought of looking for a binary image file format, but I >> don't see anything like that. Is there some other option that I am >> missing? > > (I've believe I've answered this before.) > > You can save/load OSG::Images to an .osg file as a raw fieldcontainer. > That worked very well in 1.8 for us, doing something similar. (I > uploaded an old version of this to the contrib page, see > http://opensg.vrsource.org/trac/attachment/wiki/PotentialContributions/filecache.zip) > > IIRC there was some NewFileIO required for that, but a bit of digging in > the headers should uncover it, unless it's name have changed to 2.x.
Thanks, I will take a look at this. I didn't think there was a way any more to save raw field containers, but maybe there is after all. -Allen ------------------------------------------------------------------------------ Apps built with the Adobe(R) Flex(R) framework and Flex Builder(TM) are powering Web 2.0 with engaging, cross-platform capabilities. Quickly and easily build your RIAs with Flex Builder, the Eclipse(TM)based development software that enables intelligent coding and step-through debugging. Download the free 60 day trial. http://p.sf.net/sfu/www-adobe-com _______________________________________________ Opensg-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/opensg-users
