Hi, maybe check what texture units are used by terrain and particles.
jp CG wrote: > I've ported Joseph's particle tutorial to osg version 2.4 and it works > perfectly on my side. I'll try to find out the cause of this culling, > thanks for the help so far. > > ------------------------------------------------------------------------ > > Date: Thu, 26 Jun 2008 23:14:04 -0600 > > From: [EMAIL PROTECTED] > > To: osg-users@lists.openscenegraph.org > > Subject: Re: [osg-users] Particles being culled > > > > I'm totally guessing, but perhaps setting the max particle size > > smaller and the number of particles larger will help, as perhaps your > > particles are large enough to be touching the terrain and thereby > > being culled? More smaller particles might show some noticable > > difference...again, I'm totally guessing. I hope someone else can > > provide some help here. Are Joseph's tutorials up to date even? I > > haven't looked there in a long time. Sorry can't be more help. > > -c > > > > 2008/6/26 CG <[EMAIL PROTECTED]>: > > > Hi Charles, > > > > > > Thanks for your help, I've narrowed it down to my terrain, when I use > > > Joseph's terrain, the particles look good. But when I switch over to my > > > terrai n, some of the particles will get culled. How does a terrain > affect > > > the particles? > > > > > > Regards, > > > Cg > > > > > > ________________________________ > > >> Date: Thu, 26 Jun 2008 21:18:51 -0600 > > >> From: [EMAIL PROTECTED] > > >> To: osg-users@lists.openscenegraph.org > > >> Subject: Re: [osg-users] Particles being culled > > >> > > >> Well, make a bare-bones test program and isolate the cause, and post > > >> it if necessary (in a new thread so someone else is compelled to jump > > >> in and help you!). It looks like, to me, that they are just rotated, > > >> not culled. Also, I guess you're using the connected system, and I > > >> didn't really look at that class ... try the bare-bones debug program! > > >> Good luck, > > >> Charles > > >> > > >> 2008/6/26 CG <[EMAIL PROTECTED]& gt;: > > >> > Hi Charles, > > >> > > > >> > That didn't work too. Just don't seem to see what is culling the > > >> > particles? > > >> > > > >> > Regards, > > >> > Cg > > >> > > > >> > ________________________________ > > >> >> Date: Thu, 26 Jun 2008 08:14:55 -0600 > > >> >> From: [EMAIL PROTECTED] om > > >> >> To: osg-users@lists.openscenegraph.org > > >> >> Subject: Re: [osg-users] Particles being culled > > >> >> > > >> >> CG: > > >> >> One more try: I'm just looking at old code b/c I know I've had a > > >> >> similar problem...and I didn't notice the next line of my code: > > >> >> > > >> >> ps->SetAlignVectorX(osg::Vec3(0.,1.,0.)); > > >> >> > > >> >> Hopefully that 'll make a difference. > > >> >> -Charles > > >> >> > > >> >> On Thu, Jun 26, 2008 at 6:24 AM, Charles Cossé <[EMAIL PROTECTED]> > > >> >> wrote: > > >> >> > Sorry, then, I tried ... maybe you should repost so Robert > sees it. > > >> >> > Charles > > >> >> > > > >> >> > On Thu, Jun 26, 2008 at 3:08 AM, CG <[EMAIL PROTECTED]> wrote: > > >> >> >> Hi Charles, > > >> >> >> > > >> >> >> I've tried the setParticleAlignment and it didn't work . > > >> >> >> > > >> >> >> Regards, > > >> >> >> Cg > > >> >> >> > > >> >> >> _______ _________________________ > > >> >> >>> Date: Wed, 25 Jun 2008 23:28:53 -0600 > > >> >> >>& gt; From: [EMAIL PROTECTED] > > >> >> >>> To: osg-users@lists.openscenegraph.org > > >> >> >>> Subject: Re: [osg-users] Particles being culled > > >> >> >>> > > >> >> >>> try: > > >> >> >>> > ps->setParticleAlignment(osgParticle::ParticleSystem::BILLBOARD); > > >> >> >>> > > >> >> >>> > > >> >> >>> On Wed, Jun 25, 2008 at 11:23 PM, CG <[EMAIL PROTECTED]> wrote: > > >> >> >>> > Hi Charles, > > >> >> >>> > > > >> >> >>> > Thanks for the reply, what are the settings for the eye point > > >> >> >>> > facing?< BR>> >> >>> > > > >> >> >>> > Regards, > > >> >> >>> > Cg > > >> >& gt; >>> > > > >> >> >>> > ________________________________ > > >> >> >>> >> Date: Wed, 25 Jun 2008 23:18:07 -0600 > > >> >> >>> >> From: [EMAIL PROTECTED] > > >> >> >>> >> To: osg-users@lists.openscenegraph.org > > >> >> >>> >> Subject: Re: [osg-users] Particles being culled > > >> >> >>> >> > > >> >> >>> >> I think the default for particle systems is that > particles are > > >> >> >>> >> little > > >> >> >>> >> billboards which always face the viewer's eye point. It > looks > > >> >> >>> >> like > > >> >> >>> >> you've undone that setting somehow, and that the > billboards are > > >> >> >>> >> facing > > ; >> >> >&g t;> >> different directions. > > >> >> >>> >> > > >> >> >>> >> On Wed, Jun 25, 2008 at 11:07 PM, CG <[EMAIL PROTECTED]> > wrote: > > >> >> >>> >> > Hi all, > > >> >> >>> >> > > > >> >> >>> >> > I'm trying to simulate a smoke trail emitting from a > moving > > >> >> >>> >> > tank > > >> >> >>> >> > by > > >> >> >>> >> > using > > >> >> >>> >> > Joseph's codes but some particles are being culled (see > > >> >> >>> >> > attached > > >> >> >>> >> > picture). > > >> >> >>> >> > Any ideas what are the causes? > > >> >> >>> >> > > > >> >> >>> >> > Thanks, > > >> >> >>> >> > > > >> >> >>> >> > Cg > > >> >> >>> >> > > > >> >> >>> >& gt; > ________________________________ > > >> >> >>> >> > Make the most of what you can do on your PC and the > Web, just > > >> >> >>> >> > the > > >> >> >>> >> > way > > >> >> >>> >> > you > > >> >> >>> >> > want. Windows Live > > >> >> >>> >> > _______________________________________________< BR>> >> > > > >> >> >>> >> > osg-users > > >> >> >>> >> > mailing list > > >> >> >>> >& gt; > osg-users@lists.openscenegraph.org > > >> >> >>> >> > > > >> >> >>> >> > > > >> >> >>> >> > > > >> >> >>> >> > > > >> >> >>> >> > > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > >> >> >>> >> ; > > > >> >> >>> >> > > > >> >> >> ;> >> > > >> >> >>> >> > > >> >> >>> >> > > >> >> >>> >> -- > > >> >> >>> >> AsymptopiaSoftware | [EMAIL PROTECTED] > > >> >> >>> >> www.asymptopia.org > > >> >> >>> >> _______________________________________________ > > >> >> >>> >&g t; osg-users mailing list > > >> >> >>> >> osg-users@lists.openscenegraph.org > > >> >> >>> >> > > >> >> >>> >> > > >> >> >>> >> > > >> >> >>> >> > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > >> >> >>> > > > >> >> >>> > > > >> >> >>> > ________________________________ > > >> >> >>> > Share your beautiful moments with Photo Gallery. 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Windows Live Writer > > >> > _______________________________________________ > > >> > osg-users mailing list > > >> > osg-users@lists.openscenegraph.org > &g t; >> > > > >> > > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > >> > > > >> > > > >> > > >> > > >> > > >> -- > > >> AsymptopiaSoftware | [EMAIL PROTECTED] > > >> www.asymptopia.org > > >> _______________________________________________ > > >> osg-users mailing list > > >> osg-users@lists.openscenegraph.org > > >> http://lists.openscenegraph.org/listinfo.cgi/osg-users-opensceneg > raph.org > > > > > > > > > ________________________________ > > > Always-on security tools provide safer ways to connect and share > anywhere. > > > Find out more. 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