[GRASS-user] Importing a binary file: (a) why isn't the command logged in the maps history? (b) why is the resolution of the imported map slightly different than expected?

Nikos Alexandris nikos.alexandris at felis.uni-freiburg.de
Tue Mar 18 09:07:56 EDT 2008


[ Sorry for bombing you with questions - I am close to complete my work
and need to clarify all details in my document. And BTW, GRASS plays
bouzouki!!! (something like the greek version of "GRASS Rocks!") ]


Here it goes:

1. cat projection_information.hdr
BANDS:      1
ROWS:    4256
COLS:    8064
INTERLEAVING:    NA
DATATYPE: U8   
BYTE_ORDER: NA      
UL_X_COORDINATE:            -25.99107192
UL_Y_COORDINATE:             71.99107144
LR_X_COORDINATE:             45.99998799
LR_Y_COORDINATE:             34.00000609
PIXEL_WIDTH:               0.00892857
PIXEL_HEIGHT:              0.00892857
[...]


2. r.in.bin in=GLC_EU_V2.bil out=glc2000_eu north=71.99107144
south=34.00000609 west=-25.99107192 east=45.99998799 rows=4256 cols=8064

3. r.info -h glc2000_eu
Data Source:
   
   
Data Description:
   generated by r.in.bin

4. r.info glc2000_eu

[...]
Projection: Latitude-Longitude                                      |
 |            N: 71:59:27.857184N    S: 34:00:00.021924N   Res:
0:00:32.1353  |
 |            E: 45:59:59.956764E    W: 25:59:27.858912W   Res:
0:00:32.13886
[...]



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