From: Tatsuhiro N. <tat...@ni...> - 2006-11-19 17:01:33
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On Nov 18, 2006, at 9:34 AM, Martin Spott wrote: > PLIB 1.8.4 is very old and was released with known bugs, some of the > features in FlightGear require PLIB CVS in order to work correctly. > I'm > completely uncertain if this relates in any way to the geometry of the > sun, but you could at least have a try, Thanks! I checked out the plib cvs and built fgfs, which made me to change GUI/dialog.c a bit but it's OK. I compiled everything and ran it.... finding the same rectangle... sigh. On Nov 18, 2006 at 10:42 PM, ppm wrote: > This might not be 'help'..., but certainly same thing happens here: > iBook G4 with ATI Mobility Radeon 9200 > > I tested both 0.9.10 PPC / Universal. Sun itself seems rendered same > on two versions. > But surrounding light ('flare'?) doesn't seem rendered correctly. > > Thank you for your work on Universal version, Tat! You're welcome and thanks for the report. it helps me a lot! What you said is exactly the same as I see here, so this is not the hardware specific problem. Now I'm searching a target to lock on. so let me give some more time ;-) On Nov 19, 2006, at 1:09 AM, Mark wrote: > in 0.9.10 the sun was represented by a sphere and a square texture for > the halo. > So what your seeing is actually the halo texture. At sundown the whole > object is tilted and so it looks like a triangle, because you just > don't > see the the other half of the texture. There's nothing wrong with > this. > > However there seems to be a problem with transparency / alpha > channel in > your build. Normally the halo blends in smoothly and the edges aren't > visible. > Maybe this helps to point you in the right direction. > > I'd also check the PLIB version used, as Martin already said. I really appreciate your help. I've read SimGear / PLIB source and now have the same opinion. This rendering is done at simgear/scene/sky/oursun.cxx, especially in halo related methods / funcs. Weird thing about this is that it draws the sun as almost big solid color rectangle. As two different versions of PLIB have the same result, I think it has something to do with SimGear. I'm changing some code so I can try and error about this. Or should I try another version of SimGear? ------------------------------------------- Tatsuhiro Nishioka Mail: tat...@ni... ------------------------------------------- |