Hi, We just did some work using the pagedLOD stuff, which fits the topic well. But instead of pregenerating tiles, we are generating the tiles on the fly. Our geometry generator is implemented as a osg plugin, so we can use the databasepager as a background worker. :-) Well, it's kind of a hack but since the pager is implemented really nice we get the requested tiles fast. Infact we can create (rastered) vmap level 0 tiles using this online process.
Well, if I will continue working on that, I would make the following design decisions: * Split up the code into the rasterizer and the stuff for generating paged hierarchies. Both are mostly independent from another and require just a small interface. We would have like three interfaces for ** landscape geometry ** scene geometry ** landscape textures and there you are allowed to attach your arbitrary GIS tool. * Allow pagedLOD setup loading nodes from a cache as well as requesting them via "pseudo plugin" which generates stuff online. * Cache online generated nodes and invalidate nodes to create the online again. * If you still want the whole process offline, just write a node visitor which writes the files to an archive. So that our heading, would be great if we could use some stuff from osgDem (again). Richard Schmidt System Design Center Germany EADS, Defence and Security ________________________________________________ EADS Deutschland GmbH Registered Office: Ottobrunn District Court of Munich HRB 107 648 Chairman of the Supervisory Board: Dr. Thomas Enders Managing Directors: Dr. Stefan Zoller (chairman), Michael Hecht This E-mail and any attachment(s) to it are for the addressee's use only. It is strictly confidential and may contain legally privileged information. No confidentiality or privilege is waived or lost by any mistransmission. If you are not the intended addressee, then please delete it from your system and notify the sender immediately. You are hereby notified that any use, disclosure, copying or any action taken in reliance on it is strictly prohibited and may be unlawful. _______________________________________________ osg-users mailing list [email protected] http://openscenegraph.net/mailman/listinfo/osg-users http://www.openscenegraph.org/
