Thanks for reply,
I have converted terrain model to osg and opened it with text editor. osg
file format like below;
------------------------------------------------------------------------------------------------------
Group {
name "db"
nodeMask 0xffffffff
cullingActive TRUE
num_children 1
Geode {
DataVariance STATIC
name "p1_437"
nodeMask 0xffffffff
cullingActive TRUE
StateSet {
UniqueID StateSet_0
DataVariance STATIC
rendering_hint DEFAULT_BIN
renderBinMode INHERIT
GL_CULL_FACE ON
GL_LIGHTING OFF
Material {
ColorMode OFF
ambientColor 0.722 0.722 0.729 1
diffuseColor 0.918 0.918 0.918 1
specularColor 0.137 0.137 0.137 1
emissionColor 0 0 0 1
shininess 10
}
CullFace {
UniqueID CullFace_1
mode BACK
}
textureUnit 0 {
GL_TEXTURE_2D ON
Texture2D {
file "Cell 23.rgb"
wrap_s REPEAT
wrap_t REPEAT
wrap_r CLAMP
min_filter LINEAR
mag_filter LINEAR
maxAnisotropy 1
borderColor 0 0 0 0
borderWidth 0
useHardwareMipMapGeneration TRUE
unRefImageDataAfterApply TRUE
internalFormatMode USE_IMAGE_DATA_FORMAT
resizeNonPowerOfTwo TRUE
}
TexEnv {
mode MODULATE
}
}
}
num_drawables 1
Geometry {
DataVariance STATIC
useDisplayList TRUE
useVertexBufferObjects FALSE
PrimitiveSets 1
{
DrawArrays QUADS 0 1600
}
......
.....
......
etc.
------------------------------------------------------------------------------------------------------
The TexEnv configuration have MODULATE mode. And I have changed it to
GL_MODULATE and GL_LIGHTING OFF to ON but there is no light effect on
terrain too. Then I deleted the TexEnv code block from the osg file format
then lighting not effect too.
Peter, I added "lightSS->setMode(GL_LIGHTING,osg::StateAttribute::ON);"
pattern to my code but there is no change on the state of terrain too.
Jean, if I write a node visitor for TexEnv, I thing there won't be any
change too, because of I have removed the TexEnv pattern from osg file
format but there wasn't any change on terrain.
Any idea for lightiing the terrain like other components.
Thanks for all advices.
Best Regards.
Ümit UZUN
2008/7/19 Peter Wraae Marino <[EMAIL PROTECTED]>:
> Hi,
>
> isnt there missing a
> *setMode*( GL_LIGHT1, osg::StateAttribute::ON );
>
> for your terrain group? (or did I miss something?)
>
> Peter
> http://osghelp.com
>
>
>
> On Sat, Jul 19, 2008 at 12:39 AM, Ümit Uzun <[EMAIL PROTECTED]> wrote:
>
>> Hi All,
>>
>> I have an simple question about light the terrain model problem. I have
>> added two sphere(osg::Sphere) and one terrain(JoeDirt.flt) to the scene. I
>> am trying to effect the components of scene with green light. Although green
>> light could effected two of sphere, couldn't get success on the terrain
>> model. What can I do to effect the terrain with green light? I have tried
>> this code block;
>>
>>
>> --------------------------------------------------------------------------------------------------------------------------------------------------
>> *int main()
>> {
>> osgViewer::Viewer viewer;
>> osg::ref_ptr<osg::Group> root (new osg::Group);
>>
>> osg::ref_ptr<osg::MatrixTransform> terrainScaleMAT (new
>> osg::MatrixTransform);
>> osg::Matrix terrainScaleMatrix;
>> terrainScaleMatrix.makeScale(0.05f,0.05f,0.03f);
>>
>> //Lighting code
>> osg::ref_ptr<osg::Group> lightGroup (new osg::Group);
>> osg::ref_ptr<osg::StateSet> lightSS (root->getOrCreateStateSet());
>> osg::ref_ptr<osg::LightSource> lightSource1 = new osg::LightSource;
>>
>> // create a local light.
>> osg::Vec4f lightPosition (osg::Vec4f(0.0,0.0,3.0,1.0f));
>> osg::ref_ptr<osg::Light> myLight = new osg::Light;
>> myLight->setLightNum(1);
>> myLight->setPosition(lightPosition);
>> myLight->setAmbient(osg::Vec4(0.2f,0.2f,0.2f,1.0f));
>> myLight->setDiffuse(osg::Vec4(0.1f,0.4f,0.1f,1.0f));
>> myLight->setConstantAttenuation(1.0f);
>> lightSource1->setLight(myLight.get());
>>
>> lightSource1->setLocalStateSetModes(osg::StateAttribute::ON);
>> lightSource1->setStateSetModes(*lightSS,osg::StateAttribute::ON);
>>
>> lightGroup->addChild(lightSource1.get());
>>
>> //Light markers: small spheres
>> osg::ref_ptr<osg::Geode> lightMarkerGeode (new osg::Geode);
>> lightMarkerGeode->addDrawable(new osg::ShapeDrawable(new
>> osg::Sphere(osg::Vec3f(-5.0f,-2.0f,3.0f),0.5f)));
>>
>>
>> //lightMarkerGeode->getOrCreateStateSet()->setMode(GL_LIGHTING,osg::StateAttribute::OFF);
>>
>> //Second light marker
>> lightMarkerGeode->addDrawable(new osg::ShapeDrawable(new
>> osg::Sphere(osg::Vec3f(2.0f,-1.0f,3.0f),0.5f)));
>>
>> //Loading the terrain node
>> osg::ref_ptr<osg::Node> terrainnode
>> (osgDB::readNodeFile("JoeDirt.flt"));
>> terrainScaleMAT->addChild(terrainnode.get());
>> terrainScaleMAT->setMatrix(terrainScaleMatrix);
>>
>> //adding the terrain node to the root node
>> root->addChild(terrainScaleMAT.get());
>>
>> //lighting code
>> root->addChild(lightGroup.get());
>> //Adding the light marker geode
>> root->addChild(lightMarkerGeode.get());
>>
>> // add the state manipulator
>> viewer.addEventHandler( new
>> osgGA::StateSetManipulator(viewer.getCamera()->getOrCreateStateSet()) );
>>
>> viewer.setSceneData( root.get() );
>>
>> return (viewer.run());
>> }*
>>
>> --------------------------------------------------------------------------------------------------------------------------------------------------
>>
>> _______________________________________________
>> osg-users mailing list
>> osg-users@lists.openscenegraph.org
>> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
>>
>>
>
>
> --
> Regards,
> Peter Wraae Marino
>
> www.osghelp.com - OpenSceneGraph support site
>
> _______________________________________________
> osg-users mailing list
> osg-users@lists.openscenegraph.org
> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
>
>
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