> Kim, *ahem*
Replying to myself there for some reason.. K. 2010/1/6 Kim Bale <[email protected]> > 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 <[email protected]> > >> 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 >> Sent from Devlet, Ankara, Turkey >> >> On Tue, Jan 5, 2010 at 12:10 PM, Kim Bale <[email protected]> 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 >>> >>> 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 <[email protected]> >>> >>>> 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 >>>> Sent from Izmit, 41, Turkey >>>> >>>> _______________________________________________ >>>> osg-users mailing list >>>> [email protected] >>>> >>>> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >>>> >>>> >>> >>> _______________________________________________ >>> osg-users mailing list >>> [email protected] >>> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >>> >>> >> >> _______________________________________________ >> osg-users mailing list >> [email protected] >> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >> >> >
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