[osg-users] Imported .obj file not showing textures.

[Trajce Nikolov NICK]

Hi,

the .mtl file is text file where the materials are defined. You can change
the ambient, diffuse there with text editor

On Wed, Jan 15, 2020 at 10:15 AM Voerman, L. <l.voerman at rug.nl> wrote:

> Hi Jiljith,
> I see no problem in your code, and it works when I add it to my osgviewer.
> with OSG_NOTIFY_LEVEL=NOTICE it generates 2 messages:
> Obj Found map in options, [DIFFUSE]=0
> Scaling image 'D:\laurens\Download\objDog/Dog_diffuse.jpg' from (450,450)
> to (512,512)
>
> I suggest you can convert your file with "osgconv -O DIFFUSE=0
> 12228_Dog_v1_L2.obj 12228_Dog_v1_L2.obj.osgt"
> so you can read it in your program with "osgDB::readRefNodeFile(path.
> toStdString() + ".osgt", opt);"
> maybe your scene has no light, or other reasons why the dog shows up black.
> Laurens.
>
>
> On Wed, Jan 15, 2020 at 8:10 AM JILJITH JOHN <jiljithjohncse at gmail.com>
> wrote:
>
>> Hi Laurens,
>>
>> The answer is so great. I am getting the texture applied. But it is in
>> the osgviewer.exe only.
>> Problematically I tried to add the option. Its not working.
>>
>> osgDB::Options* opt = new osgDB::Options;
>>
>>
>> opt->setOptionString("DIFFUSE=0");
>>
>>
>> osg::ref_ptr<osg::Node> model1= osgDB::readNodeFile(path.toStdString(), opt);
>>
>>
>>
>>
>> On Tuesday, January 14, 2020 at 6:39:07 PM UTC+5:30, L. Voerman wrote:
>>>
>>> repost in google group; It seems like my reply to the mailing list does
>>> not show up in google groups.
>>>
>>>
>>> Hi Jiljith,
>>>
>>> The material has both an ambient and a diffuse texture (both refer to
>>> the same file)
>>> while this can be made to work with a shader, using the fixed function
>>> pipeline means you'll have to choose one:
>>>
>>> osgviewer -O DIFFUSE=0 12228_Dog_v1_L2.obj
>>> Laurens.
>>>
>>> On Tuesday, January 14, 2020 at 10:52:54 AM UTC+1, JILJITH JOHN wrote:
>>>>
>>>>
>>>> Hi,
>>>>
>>>> I am developing a tool for editing 3D models using openscenegraph. When
>>>> I tried to load an .obj file, the texture is not applied. I am getting only
>>>> black shade.
>>>> The model is imported using the below code.
>>>>
>>>>
>>>>  osg::ref_ptr<osg::Node> model1= osgDB::readNodeFile(path.toStdString
>>>> ());
>>>>  model1->setDataVariance(osg::Object::DYNAMIC);
>>>>
>>>>
>>>>
>>>> --
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-- 
trajce nikolov nick
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