[GRASSLIST:3361] Re: landsat5_bsq
ian_macmillan at umail.ucsb.edu
Wed May 5 20:39:10 EDT 2004
I think that you can get those files as geotiffs if you want by going through
their web interface. It might be easier to import into GRASS, I haven't ever
had trouble that way at least.
> Maciek Sieczka wrote:
> > I've downloaded Landsat 5 data from the
> > .TM-USGS/
> > They are provided as 7 separate bands in raw files (gzipped).
> > I managed to load them into a Grass 5.0.3 location with r.in.bin, but the
> > resolution I get is different from the one specified in a *.HD file
> > with my Landsat 5 data set. In the *.HD file it's 28.5 both the NS and WE
> > but in Grass I get something around 30, and the NS and WE res differ. I'm
> > also not sure if I use the proper corner coordinates.
> > Should I use some other Grass program? If not - what should the r.in.bin's
> > options be exactly in my case?
> > the LT4191025009219110.HD file is listed and a thumbnail image shipped by
> > the data provider is attached
> > UPPER_LEFT_CORNER=0141500.0042E,0511547.6328N,447671.547,5679365.027;
> > UPPER_RIGHT_CORNER=0165706.5136E,0505151.0288N,637351.781,5636535.711;
> > LOWER_RIGHT_CORNER=0162013.7030E,0491632.8889N,597259.322,5458976.331;
> > LOWER_LEFT_CORNER=0134309.6950E,0493942.1275N,407579.088,5501805.647;
> This data isn't aligned to any known coordinate system, so you can't
> just import it directly. You would need to use e.g. i.rectify to
> transform it to the desired coordinate system.
> Glynn Clements <glynn.clements at virgin.net>
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