do you mean this kind of data :
ssgSimpleState: Name=NoName
Userdata = 00000000
Translucent = False
ExternalProp = 0
Don't Care = CULLFACE
Enabled = TEXTURE2D COLOR_MATERIAL LIGHTING
TexHandle = 2
TexFilename =
'c:/flightgear/cvs/fgfsbase/Aircraft/c172/Models/c172-02.rgb'
Shade Model = 7425
Shininess = 72.000000
AlphaClamp = -431602080.000000
ColourMatMode= GL_AMBIENT_AND_DIFFUSE
Ambient :
(-431602080.000000,-431602080.000000,-431602080.000000,-431602080.000000)
Diffuse :
(-431602080.000000,-431602080.000000,-431602080.000000,-431602080.000000)
Specular : (0.000000,0.000000,0.000000,1.000000)
Emission : (0.000000,0.000000,0.000000,1.000000)
Shouldn't the values of color component in the range [0..1] ?
-Fred
----- Original Message -----
From: "Norman Vine" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Monday, July 22, 2002 8:21 PM
Subject: RE: [Flightgear-devel] Lighting
> Norman Vine writes:
> >
> >Curtis L. Olson writes:
> >>
> >>The problem only seems to happen when the 3d model is in the view. To
> >>me, that would point to a problem with the model, or a problem with
> >>plib's handling of the model. For instance if the 3d model tickles
> >>some material or lighting feature that plib doesn't normally handle or
> >>doesn't handle at all. But, I would be (maybe very) surprised to find
> >>such a bug in plib that no one else has discovered previously.
> >
> >It might be informative to dump out or use gdb to look at the
> >the actual
> >OpenGL state values being used
> >i.e the ambient, emissive, specular ect
> >in the pre and post callbacks for the 3d model
> >
> >If one of these is being 'tromped on' then funny things are
> >bound to happen !
>
> Not really sure what all it means and / or how they get there but ...
> There are some 'interesting values in the file this generates
>
> void
> FGAircraftModel::init ()
> {
> _aircraft = new FGModelPlacement;
> string path = fgGetString("/sim/model/path",
"Models/Geometry/glider.ac");
> try {
> _aircraft->init(path);
> } catch (const sg_exception &ex) {
> SG_LOG(SG_GENERAL, SG_ALERT, "Failed to load aircraft from " << path);
> SG_LOG(SG_GENERAL, SG_ALERT, "(Falling back to glider.ac.)");
> _aircraft->init("Models/Geometry/glider.ac");
> }
> _scene->addKid(_aircraft->getSceneGraph());
> _selector->addKid(_aircraft->getSceneGraph());
> globals->get_scenery()->get_aircraft_branch()->addKid(_selector);
> #if 0
> FILE *fp;
> fp = fopen("model.ascii", "wt");
> _aircraft->getSceneGraph()->print(fp);
> fclose(fp);
> #endif
> }
>
>
> e.g.
> ssgVtxTable: Name=NoName
> Userdata = 0x0
> Num Parents=1
> ssgSimpleState: Name=NoName
> Userdata = 0x0
> Translucent = True
> ExternalProp = 0
> Don't Care = CULLFACE
> Enabled = TEXTURE2D COLOR_MATERIAL BLEND LIGHTING
> TexHandle = 3
> TexFilename =
> '/home/nhv/FlightGear/Aircraft/c172/Models/c172-01.rgb'
> Shade Model = 7425
> Shininess = 2.000000
> AlphaClamp = -0.326197
> ColourMatMode= GL_AMBIENT_AND_DIFFUSE
> Ambient : (-0.455241,-0.326197,0.526312,-0.455241)
> Diffuse : (-0.326197,-0.468420,-0.832415,-0.326197)
> Specular : (0.000000,0.000000,0.000000,1.000000)
> Emission : (0.000000,0.000000,0.000000,1.000000)
>
>
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>
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