Very strange... I have a Dual Core 2.8Ghz, 2 Gb RAM laptop and jsut today I've run i.rectify for a raster with similar dimensions of yours, 35 GCPs and 2nd order: 15/20 seconds to process it. GRASS 6.2.3
Giovanni 2008/1/19, Luis E Menoyo <[EMAIL PROTECTED]>: > > I'm using 1st order and 13 GCPs on an image and i.rectify has been running > over 3 hours. Is the process locking up or is this amount of time normal in > image rectification? Is i.rectify processing just the area of the image to > be rectified, of is it calculating for the whole target mapset area? In > other words, should I have applied a mask to the target mapset before > running the georectify tool in order to cut down on processing time? > > Any info would be greatly appreciated. > Thanks! > > Image info: > > +----------------------------------------------------------------------------+ > | Layer: [EMAIL PROTECTED] Date: Fri Jan 18 08:17:14 2008 > | > | Mapset: PERMANENT Login of Creator: me | > | Location: x-y > | > | DataBase: /gis/oahu_flightlines | > | Title: ( D-10 ) > | > | Timestamp: none > | > |----------------------------------------------------------------------------| > | > | > | Type of Map: raster Number of Categories: 255 > | > | Data Type: CELL > | > | Rows: 4171 > | > | Columns: 3280 > | > | Total Cells: 13680880 > | > | Projection: x,y > | > | N: 4171 S: 0 Res: 1 > | > | E: 3280 W: 0 Res: 1 > | > | Range of data: min = 0 max = 255 > | > | > | > | Data Description: > | > | generated by r.in.gdal > | > | > | > | Comments: > | > | r.in.gdal input="/gis/oahu_flightlines/D/D-10\ | > | .jpg" output="D-10" > | > | > | > +----------------------------------------------------------------------------+ > > Computer: > > Mac Pro 2.66GHz, 2 dualcore Intel Xeon (4 cores total), 4Gb RAM > > GRASS: > > GRASS 6.3.0RC4 (2008) > > > > Luis E. Menoyo > U.S. Geological Survey > 677 Ala Moana Blvd., Suite 415 > Honolulu, HI 96813 > [EMAIL PROTECTED] > 808-587-2428 > _______________________________________________ > grass-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/grass-user > > _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
