Hi,

The data should have geographic metadata so don't use -xx -yy. Have
you tried gdalinfo with your data?  (part of gdaltools wich yoo need
installed for VPB proper working)

Reqards,

-- A.


On Sat, Dec 25, 2010 at 3:45 AM, Vijeesh Theningaledathil
<vije...@nal.res.in> wrote:
> Hi,
> I'm new to vpb/osg. I have a tiff file which is only 5x5km. Also I dowloaded 
> the srtm hgt data from dds.cr.usgs.gov. I want to create a terrain out of 
> these two files. I tried osgdem with --xx 10 --yy 10 as specified in vpb 
> tutorial. Terrain is created but when it is loaded, Only a small portion at 
> one corner of the terrain is having the elevation data and rest are all flat. 
> What could be the reason. Also I would like to know what exactly --xx --yy 
> argument specifies. I'm a new bie in the terrain modelling. Also I want to 
> know how to check whether the tiff file is actually georeferenced or not. 
> Please help me
>
> ...
>
>
> Thank you!
>
> Cheers,
> Vijeesh
>
> ------------------
> Read this topic online here:
> http://forum.openscenegraph.org/viewtopic.php?p=35166#35166
>
>
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