This nodekit is a godsend! And the license seems pretty permissive, too. Christian
2013/1/18 Limberger, Daniel <daniel.limber...@hpi.uni-potsdam.de> > ** ** > > ** ** > > *From:* Limberger, Daniel > *Sent:* 18 January 2013 15:50 > *To:* Engel, Juri > *Subject:* Integration of a NodeKit for Sky Rendering into OSG**** > > ** ** > > Hi,**** > > ** ** > > I would like to present you my open source library osgHimmel that allows > simple noninvasive rendering of background imagery (i.e., skies) within > OSG. It currently is an OSG extending lib, that features two different > techniques for sky rendering (or in traditional terms, skybox rendering): > texture based (traditional) and computational (astrophysical).**** > > ** ** > > The first approach handles rendering of skies via common texture mapping > techniques, extended by time based transitions, rotation around the zenith, > horizon blending as well as an (experimental) faked sun.**** > > ** ** > > The second approach, renders astrophysical based skies with good results > not only but especially at nightly scenes: correct star positions, > atmosphere approximation, moon rendering including lunar eclipses and more. > **** > > ** ** > > Further Contributions to OSG:**** > > **- **A useful, minimal astronomy library.**** > > **- **Good resources for both, texture based and physical based, > approaches.**** > > **- **Solutions for common OSG issues, e.g., placing skies in > arbitrary node structures, texture ping-ponging for post/pre processing, > environment map rendering for reflection/illumination.**** > > **- **Starting point for cloud rendering. The current > implementation is not very efficient though (TODO..)**** > > **- **Introduces no third parties, purely based on OSG (and > optionally Qt for the editor)!**** > > ** ** > > For now, osgHimmel is mainly used internally at the Computer Graphics > Systems group at the HPI (hpi3d.de), and the first integration into a > commercial product is already in progress. We have two research projects, > trying to extend the library by HDR, temporal-glare, Glare, simple as well > as image based illumination.**** > > ** ** > > I would like to suggest an integration of osgHimmel into OSG, since a > larger user base would convince me to keep osgHimmel alive and spent > further development time on the library. **** > > What requirements must be met and what further steps have to be taken to > make this integration possible (we can rename the lib to osgSky if this is > a problem ;) )?**** > > Or is it better practice for such library to stay independent, without a > direct OSG integration?**** > > ** ** > > I’m strongly interested in any ideas and concerns of this community > concerning osgHimmel.**** > > ** ** > > ** ** > > All resources (including videos, demos, poster, my master’s thesis, and a > recent vmv2012 paper) are available at:**** > > http://osghimmel.googlecode.com**** > > ** ** > > recent poster with some images: > https://osghimmel.googlecode.com/files/Daniel_Limberger_Poster.pdf**** > > ** ** > > Thanks a lot! And also thanks to this mailing list, which was of great > help during development of osghimmel.**** > > _______________________________________________ > osg-users mailing list > osg-users@lists.openscenegraph.org > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > >
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