[Gdal-dev] convert GTIFF(NED) to BMP

Ayman Kamal kamal_jo at yahoo.com
Mon Feb 3 13:43:43 EST 2003


I appreciate very much if u can help me in finding
such tool to help me in opening 32 bit floating point
GeoTiff NED data

--- Andrey Kiselev <dron at ak4719.spb.edu> wrote:
> On Mon, Feb 03, 2003 at 10:10:15AM -0800, Ayman
> Kamal wrote:
> > The geotiff file that I have is for NED data,
> which is
> > supposed to be 32 bit floating point data, does
> this
> > give you any hint?
> 
> Yes, BMP format does not support such data type, it
> is limited by the
> 8-bit depth. It is a bug that GDAL does not produce
> any error message
> for such input. Tt is fixed now and your file will
> be rejected. You
> should explicitly specify output data type with -ot
> switch and play with
> -scale switch to properly adjust your data.
> 
> -- 
> Andrey V. Kiselev
> Home phone:  +7 812 5274898  ICQ# 26871517
> _______________________________________________
> Gdal-dev mailing list
> Gdal-dev at remotesensing.org
> http://remotesensing.org/mailman/listinfo/gdal-dev


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