Hi Robert,
Sorry for late reply because of my school exams. I have tried "gdalinfo
E020N90.DEM -mm" pattern and result is like this;
Driver: EHdr/ESRI .hdr Labelled
Size is 4800, 6000
Coordinate System is:
GEOGCS["WGS 84",
DATUM["WGS_1984",
SPHEROID["WGS 84",6378137,298.257223563,
AUTHORITY["EPSG","7030"]],
TOWGS84[0,0,0,0,0,0,0],
AUTHORITY["EPSG","6326"]],
PRIMEM["Greenwich",0,
AUTHORITY["EPSG","8901"]],
UNIT["degree",0.0174532925199433,
AUTHORITY["EPSG","9108"]],
AXIS["Lat",NORTH],
AXIS["Long",EAST],
AUTHORITY["EPSG","4326"]]
Origin = (20.000000000000004,90.000000000000000)
Pixel Size = (0.008333333333330,-0.008333333333330)
Corner Coordinates:
Upper Left ( 20.0000000, 90.0000000) ( 20d 0'0.00"E, 90d 0'0.00"N)
Lower Left ( 20.0000000, 40.0000000) ( 20d 0'0.00"E, 40d 0'0.00"N)
Upper Right ( 60.0000000, 90.0000000) ( 60d 0'0.00"E, 90d 0'0.00"N)
Lower Right ( 60.0000000, 40.0000000) ( 60d 0'0.00"E, 40d 0'0.00"N)
Center ( 40.0000000, 65.0000000) ( 40d 0'0.00"E, 65d 0'0.00"N)
Band 1 Block=4800x1 Type=UInt16, ColorInterp=Undefined
Min=-9999.000 Max=5483.000 Computed Min/Max=1.000,65535.000
Minimum=-9999.000, Maximum=5483.000, Mean=-4412.900, StdDev=5088.600
NoData Value=-9999
The result is showing up NoDataValue problem like your approach. How can I fix
this problem, only solution is using gdal_vrt?
Thanks so much.
ÜMİT UZUN
----------------------------------------
> Date: Fri, 16 May 2008 08:42:48 +0100
> From: [EMAIL PROTECTED]
> To: [email protected]
> Subject: Re: [osg-users] VPB: texture banding at all tile levels
>
> HI Umit,
>
> The issue you are seeing is totally unrelated to the one John has
> seen. The problem you see looks like an issue with the elevation
> data, most likely related to the problems with the NoDataValue.
> However, without the data I can't do any tests to look at it. At
> your end try:
>
> gdalinfo E020N90.DEM -mm
>
> Robert.
>
>
>
>
>
>
> On Thu, May 15, 2008 at 5:46 PM, ümit uzun wrote:
>>
>> Hi Robert;
>>
>> I have try to create the earth database like John's;
>>
>> osgdem --bluemarble-west -t land_shallow_topo_west.tif --bluemarble-east -t
>> land_shallow_topo_east.tif --geocentric -o earth/earth.ive --so build.source
>>
>> osgdem -s build.source -d E020N90.DEM -d /E020N40.DEM -v 1.4 -l 6
>>
>> And the result is http://img127.imageshack.us/my.php?image=earthto6.png Land
>> height relief didn't created, only Sea height relief could be seen. I don't
>> understand why its command created this dirty database. Any thinking about
>> it?
>>
>> Thanks so much..
>>
>>
>> ÜMİT UZUN
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