Funny :)
Kim Bale wrote: > > > Kim, > > > > > > *ahem* > > Replying to myself there for some reason.. > > > K. > > > 2010/1/6 Kim Bale < ()> > > > Kim, > > > > > > This is to some extent what already happens with the mipmapping LOD that > > osgOcean currently uses. > > > > The problem is that the multi-res surface is dependant on the position of > > the camera and not on local features. The code to recompute the surface > > primitives is already pretty complicated, to do it based on both camera > > position and local features would be a nightmare (if at all possible). > > > > > > One way to address this would be to increase the resolution of the highest > > level of detail and only apply the iwave algorithm to tiles in close > > proximity to the camera. > > > > > > > > K. > > > > 2010/1/5 Trajce Nikolov < ()> > > > > > ok. I will have a look > > > > > > It is however a pretty expensive effect and the resolution of the ocean > > > has to be increased > > > > > > > > > > > > How about having multi-res ocean, what I mean to have it tiled with > > > different res on each tile > > > Nick > > > > > > http://www.linkedin.com/in/tnick (http://www.linkedin.com/in/tnick) > > > > > > Sent from Devlet, Ankara, Turkey > > > > > > > > > On Tue, Jan 5, 2010 at 12:10 PM, Kim Bale < ()> wrote: > > > > > > > Hi Nick, > > > > > > > > > > > > It isn't support in osgOcean at the moment. However, Tessendorf > > > > discusses a technique called iwave which can be used to create > > > > localised wave deformation in conjunction with the FFT ocean technique. > > > > You can read about it here: > > > > > > > > http://graphics.ucsd.edu/courses/rendering/2005/jdewall/tessendorf.pdf > > > > (http://graphics.ucsd.edu/courses/rendering/2005/jdewall/tessendorf.pdf) > > > > > > > > > > > > I had a student implement it in an ogl app a while back and the effect > > > > was quite good. It is however a pretty expensive effect and the > > > > resolution of the ocean has to be increased rather a lot otherwise its > > > > very chunky. > > > > > > > > > > > > > > > > (http://graphics.ucsd.edu/courses/rendering/2005/jdewall/tessendorf.pdf)K. > > > > > > > > > > > > 2010/1/5 Trajce Nikolov < ()> > > > > > > > > > > > > > > Hi gurus, > > > > > > > > > > Is it possible to have a wave generator at specific position in the > > > > > ocean? Like the rear or front of the boat, rain drops .. etc ..? Nick > > > > > > > > > > http://www.linkedin.com/in/tnick (http://www.linkedin.com/in/tnick) > > > > > Sent from Izmit, 41, Turkey > > > > > > > > > > > > > > > > > > > > _______________________________________________ > > > > > osg-users mailing list > > > > > () > > > > > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > > > > > > > > > (http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org) > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > _______________________________________________ > > > > osg-users mailing list > > > > () > > > > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > > > > > > > (http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org) > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > _______________________________________________ > > > osg-users mailing list > > > () > > > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > > (http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org) > > > > > > > > > > > > > > > > > > > > > ------------------ > Post generated by Mail2Forum ------------------ Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=22190#22190 _______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
