[osg-users] texture and DEM data for small area (free)

[OpenSceneGraph Users]

hello... please help me with this problem.
I want to create a particular area 3D terrain database using texture data
and dem data with osgdem.

but I can't found on any website for these textures and dem data for free.

so please me regarding this problem.
maybe most of you people are know the websites which are free for textures
and dem data.

this will useful for me in m.tech project.
actually I want Bangalore (HAL) airport 3d terrain data.

thank you all in advance.

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