Update: When the current aircraft model is the c172, rgba textures glow in external view but when it is the glider, nor the model neither the buildings are glowing.
-Fred ----- Original Message ----- From: "Frederic Bouvier" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Sunday, July 21, 2002 5:19 PM Subject: Re: [Flightgear-devel] lighting > From: "Frederic Bouvier" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Sunday, July 21, 2002 4:58 PM > Subject: Re: [Flightgear-devel] lighting > > > > From: "David Megginson" <[EMAIL PROTECTED]> > > To: <[EMAIL PROTECTED]> > > Sent: Sunday, July 21, 2002 4:31 PM > > Subject: re: [Flightgear-devel] lighting > > > > > > > Curtis L. Olson writes: > > > > > > > However, the C172 still stays fully illuminated all the time, even in > > > > the dead of night. Futhermore it is not shaded at all during the day > > > > relative to sun position. So, I my theory at this point is that this > > > > model must have the emmissive property set???? so it is always fully > > > > self illuminating? > > > > > > The glow (as opposed to sun illumination) is the result of a different > > > and strange effect -- it depends on the non-textured rgb value of the > > > surface, even though the surface is textured. Set rgb in the *.ac > > > file to 1 1 1 (the default for many AC3D models exported from Blender) > > > and the model glows at night; set rgb to 0 0 0 and the model is always > > > black, even in the day time; set it to .5 .5 .5 and the model is > > > always grey, etc. > > > > > > But wait, there's more ... > > > > > > For reasons unknown, the effect is different depending on whether > > > you're inside or outside the plane. This is best illustrated by two > > > screenshots of the same buildings, one from inside view and one from > > > outside view: > > > > > > http://www.megginson.com/flightsim/inside-lighting.jpg > > > > > > http://www.megginson.com/flightsim/outside-lighting.jpg > > > > > > Notice that not only the plane starts to glow, but also the water > > > tower and most of the buildings. For some reason, the rgb colour gets > > > blended with the texture in external view (also in the two tower > > > views) but not in cockpit view. > > > > I have just noticed that too, but models I send you yesterday are not > > glowing. Compare small-glass-office-building and cube-apartment. > > The first glow and not the second in the external (chase) view. > > I think your textures are rgba while mine are only rgb. Going to verify > > that point. > > > > Wait... the tower-hexa only glow on certain faces and not on others. > > It's going strangers... > > Confirmed: when the tower-hexa-2.rgb is rgba, it glows, and when it is > only rgb, it don't glow anymore. Only in external views. Perhaps because > in the inside view, we are looking through the window ! > > Cheers, > > -Fred > > _______________________________________________ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel
