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
