I think that you will have to parse the MTL files yourself and translate them into suitable calls to glLightfv. I do not know of anything with Qt that will do this for you.

Have you checked out the Qt3d [qt.gitorious.org] stuff in gitorious? This may have some classes that can help you. I certainly think that it provides helpers fo rthe .obj format.

ZapB wrote:

I think that you will have to parse the MTL files yourself and translate them into suitable calls to glLightfv. I do not know of anything with Qt that will do this for you.

Have you checked out the Qt3d [qt.gitorious.org] stuff in gitorious? This may have some classes that can help you. I certainly think that it provides helpers fo rthe .obj format.

Thanks. I was just hoping that someone would’ve already done something like parsing the mtl files and could possibly help me with that. I will checkout Qt3d though and see what’s in it.

Hi,
Two others possibilities :

• you can use GLC_lib [glc-lib.net] to load and view your model
• you review code of the class : GLC_ObjMtlLoader [glc-lib.net]

@+

laumaya wrote:

Hi,
Two others possibilities :

• you can use GLC_lib [glc-lib.net] to load and view your model
• you review code of the class : GLC_ObjMtlLoader [glc-lib.net]

@+

Thanks. That sounds interesting. Let me dig my teeth into that see how it tastes… :D
laumaya, is that project something you run all by yourself?

karthiksrini wrote:

laumaya, is that project something you run all by yourself?

Yes.

Laumaya, I am trying to build glc_lib and the examples. The main glc library builds fine. But when I tried to build example09, I get a linker error. Any idea? I have the .pro file configured to find the include files and libs.

It seems that you have not installed GLC_lib correctly.
Please, check the help page of GLC_lib : http://www.glc-lib.net/help.php [glc-lib.net]

ZapB, I tried Qt3d and the model viewer example directly loaded the obj file along with mtl files! Thanks!
I however had some difficulty loading the 3ds format of the same model though.

laumaya wrote:

It seems that you have not installed GLC_lib correctly. Please, check the help page of GLC_lib : http://www.glc-lib.net/help.php [glc-lib.net]

Thanks! I was using qt creator and I didn’t realize that I had forgotten the make install.
Another quick question. Can I load animated models too using GLC_lib?

No, GLC_lib doesn’t support animated model.

hi karthik,

i have just started learning Qt.I m getting problems in loading 3D textures from obj files.Can u please send me some examples showing how to load 3d textures from obj files…

Regards
hurr[i]cane

hurricane wrote:

hi karthik,

i have just started learning Qt.I m getting problems in loading 3D textures from obj files.Can u please send me some examples showing how to load 3d textures from obj files…

Regards
hurr[i]cane

You can use both Qt 3D and GLC_Lib as mentioned. Both these have examples. I was able to directly load them using the examples.

I want to load 3D models and textures for symbian 3 devices using Qt with openGL ES 1.1 . Can u provide some example for that…

Regards
hurr[i]cane

hurricane wrote:

I want to load 3D models and textures for symbian 3 devices using Qt with openGL ES 1.1 . Can u provide some example for that…

Regards
hurr[i]cane

Ah, for symbian… Then I guess you can’t use GLC Lib. (laumaya?)
However I think you should be able to use Qt 3d. I haven’t tried it on symbian. So I don’t have exact pointers for you there.