Hi Martin I am going to office now Can you send me your input files and script Thank you Yann
Yann Chemin www.csu.edu.au On 09/11/2010, at 7:23, Martin Landa <[email protected]> wrote: > 2010/11/8 Martin Landa <[email protected]>: >> when playing with i.atcorr, input raster maps are very small (450x450) >> in my case. Without `ialt` i.atcorr runs for few seconds, with this >> parameter it runs for ten minutes and still computes - is that normal? >> - sorry knowing very few about i.atcorr. > > concretely > > $ g.region rast=Brg1 -p > projection: 1 (UTM) > zone: 33 > datum: wgs84 > ellipsoid: wgs84 > north: 5633223.50868776 > south: 5605657.62851621 > west: 497279.36486102 > east: 525403.19584718 > nsres: 60.05638382 > ewres: 59.96552449 > rows: 459 > cols: 469 > cells: 215271 > > $ i.landsat.toar -tr input_prefix=Brg output_prefix=B_rad > metfile=L4191025_02519840414_MTL.txt > > $ g.region -lg > ... > center_long=15.16068438 > center_lat=50.72648033 > ... > > $ r.univar --q map=demrg | grep mean: > mean: 552.711 > > $ cat atcorr.txt > 7 > 04 14 9.28 15.16068045 50.72664675 > 0 > 3 > 50 > -0.552 > -1000 > 31 # it's MSS1 > > $ i.atcorr iimg=B_rad1 ialt=demrg icnd=atcorr.txt oimg=B_cor1 --o > > Takes with `ialt` tens of minutes to finish computing... > > Is that expected? > > Martin > > -- > Martin Landa <landa.martin gmail.com> * http://geo.fsv.cvut.cz/~landa _______________________________________________ grass-dev mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-dev
