Dear Irene,
when you display one channel in GRASS, it is displayed by default with a
color scheme ranging form green to yellow or blue to red. Under Raster
-> Manage Map Color you can change this.
Regarding the import of Landsat images I prefer the following way,
though not purely with open source software: Import your image with
ERDAS and save it as img-file. img is a rather wide spread satellite
image data format, which can be read inmediately by ERDAS, ENFI, ARC GIS
etc. And, img.-files can be imported without any problems into GRASS.
You even can build your location with a few clicks using an img file.
I guess that in Potsdam there is an ERDAS Licence somewhere.
Best regards
Niels
rosa schrieb:
hello,
i'm new on this list since yesterday.
some postgraduates are trying to introduce GRASS in our university and so I'm
writing one of the first thesis' with GRASS. Unfortunately nobody here knows
the program really well.
I bought a landsat scene, recieved it in hdf.L1G-format and have problems
importing landsat the hdf.L1G-data into GRASS. r.in.bin does
somehow work, but the channels it imports are severely damaged. instead of
having the normal black/white picture, the chanels are only green and yellow
and it's not possible to combine them, f.e. with r.composite.
does anybody know the problem?
warm regards from potsdam, germany
irene
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-----------------------------------------------------
Dr. Niels Thevs
Chair of Geobotany and Landscape Ecology
Institute of Botany and Landscape Ecology
Greifswald University
Grimmer Strasse 88
17487 Greifswald
Germany
Tel.: +49-3834-86-4137
Fax: +49-3834-86-4114
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