Hi Ruben, Ah Quintijn yes of course, I thought I recognised the name at the top of the poster.
> We'll start to work on this submission, it could take us some > time to test it with the newest osgOcean revision, etc. That would be great. With all the tools available for terrain rendering in osg I think being able to add attractive rivers into the mix would be a real boon. Cheers, Kim. On 10 May 2010 09:06, Smelik, R.M. (Ruben) <[email protected]> wrote: > Hi Kim, > > Sure, we were not yet sure whether there would be enough interest for > this, but of course we would be happy to submit it. The student's name > is Quintijn, he already submitted some smaller contributions to osgOcean > before. We'll start to work on this submission, it could take us some > time to test it with the newest osgOcean revision, etc. > > Kind regards, > > Ruben > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Kim > Bale > Sent: maandag 10 mei 2010 9:53 > To: OpenSceneGraph Users > Subject: Re: [osg-users] Create a simple river > > Hi Ruben, > > I just noticed this thread. I don't suppose your student is interested > in contributing his code to the osgOcean project? > > Rivers have been asked for a number of times in the past and his > approach would be a nice addition. > > Regards, > > Kim. > > > On 10 May 2010 08:13, Smelik, R.M. (Ruben) <[email protected]> wrote: >> Dear Daniele, >> >> I don't think Bruneton's research, although very impressive, is the >> simplest way to render a river :-) >> >> The simplest way I see is to create the OSG geometry for this river >> with some code. You would have to segment your curve/spline into small > >> quad sections, use a tiling texture and let the u-coords go from 0 to >> width_of_river / texture_scale in the lateral direction and the >> v-coords along the curve itself from 0 to total_length_of_river / > texture_scale. >> As the texture is tiling, you can "scroll" it along the river in a >> fragment shader, where you add time-dependant amount to the v-coord >> before the texture lookup. You can use osg_SimulationTime for this. >> >> If you're using Bezier curves, you might want to look at this >> http://graphics.tudelft.nl/~ruben/PosterI3D2010.pdf, a student of mine > >> did work on rendering Bezier-curve based river networks, as an >> extension of osgOcean. >> >> Kind regards, >> >> Ruben Smelik >> >> -----Original Message----- >> From: [email protected] >> [mailto:[email protected]] On Behalf Of >> Mhondoz >> Sent: woensdag 5 mei 2010 13:08 >> To: [email protected] >> Subject: Re: [osg-users] Create a simple river >> >> Hi, >> >> You may find something on creating rivers here: >> http://www-evasion.imag.fr/Membres/Eric.Bruneton/ >> >> /Mhondoz >> >> On Wed, 05 May 2010 12:31:47 +0200, daniele argiolas >> <[email protected]> >> wrote: >> >>> Hi, >>> >>> I have to make a river. What's the simplest way? >>> I think try to import animated textures with ImageSequence class but >>> is it possible to map texture on a curve surface? >>> >>> thanks >>> daniele >>> >>> ------------------ >>> Read this topic online here: >>> http://forum.openscenegraph.org/viewtopic.php?p=27560#27560 >>> >>> >>> >>> >>> >>> _______________________________________________ >>> 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. >> or >> g >> This e-mail and its contents are subject to the DISCLAIMER at >> http://www.tno.nl/disclaimer/email.html >> >> _______________________________________________ >> 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.or > g > This e-mail and its contents are subject to the DISCLAIMER at > http://www.tno.nl/disclaimer/email.html > > _______________________________________________ > 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

