Hi Chris, Is there a reason to why you don't use setUserData(osg::Referenced*) ? If you provide the proper read/write routines for your osg::Referenced derived class it would also persist across .osg file writes/reads.
Mattias On Sun, Nov 29, 2009 at 11:10 PM, Chris 'Xenon' Hanson <xe...@alphapixel.com> wrote: > I'm looking for a way to annotate nodes with numeric information at runtime. > The data > need not be stored during scenegraph writes, but I don't mind if it is. I've > used the > Description before for similar purposes, but you can't precisely and > reversibly store a > floating-point value in a string. > > I'm considered extending the Description API to support storing, and > search/retrieving > typed key=value pairs (MYVALUE_FP, 3.14159265) in the description container. > Non-text-compatible types like floats/doubles would be stored by converting > the FP value > to the actual binary value, then encoding that binary value as text, either > as decimal, > hex, or base64. > > Is there already a good way to do this, or is this a technique that others > would find > useful in core OSG? > > -- > Chris 'Xenon' Hanson, omo sanza lettere Xenon AlphaPixel.com > PixelSense Landsat processing now available! http://www.alphapixel.com/demos/ > "There is no Truth. There is only Perception. To Perceive is to Exist." - Xen > _______________________________________________ > osg-users mailing list > osg-users@lists.openscenegraph.org > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > _______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
