2010/1/21 Milton Cezar Ribeiro <[email protected]> > Hi Maven, > > do you think that if you have min = -1267650600228229401496703205376.000000 > is the same value you used on r.null setnull=-1.26765060022823e+030 ? > Oh ,thanks ,my mistake. I used the " r.null map=...@permanent setnull=-1.267e+30--1.268e+30 " it seems that it works. And now I am using the r.fillnulls to do the Interpolation, it has taken a long time. :(
IS the tension and smooth parameter shoudle be configed? > > I think following the Hamish's suggestion you will get there :-) > > bests > > milton > > > > 2010/1/20 maven apache <[email protected]> > >> >> >> 2010/1/21 Hamish <[email protected]> >> >> maven apache wrote: >>> > I have a geotiff now, and some cells have a not-expected >>> > value, so I want to Interpolation them, and I notice that >>> > there is a command named r.fillnull, however the cell to be >>> > changed is not null, so I want to : >>> > 1) change the special cell value to null >>> > >>> > 2) use the r.fillnull to Interpolation. >>> > >>> > The problem is I do not know how to do the step 1 with >>> > grass, anyone can do me a favor? >>> >>> >>> try r.null. >>> >>> >>> Hamish >>> >>> >>> >>> Hi; >> It seems that the r.null does not work. >> >> 1) I use the r.info to get the info of the tiff which I have imported to >> grass and I got that: >> Hi: >> >> (Thu Jan 21 09:56:46 >> 2010) >> r.info map=...@permanent >> >> >> >> +----------------------------------------------------------------------------+ >> | Layer: a...@permanent Date: Tue Jan 12 16:02:39 >> 2010 | >> | Mapset: PERMANENT Login of Creator: >> Administrator | >> | Location: >> hdf5loc | >> | DataBase: >> D:\GrassDataBase | >> | Title: ( aaa >> ) | >> | Timestamp: >> none | >> >> >> |----------------------------------------------------------------------------| >> | >> | >> | Type of Map: raster Number of Categories: >> 499 | >> | Data Type: >> FCELL | >> | Rows: >> 720 | >> | Columns: >> 1440 | >> | Total Cells: >> 1036800 | >> | Projection: >> Latitude-Longitude | >> | N: 90N S: 90S Res: >> 0:15 | >> | E: 180E W: 180W Res: >> 0:15 | >> | Range of data: min = -1267650600228229401496703205376.000000 max >> = 4 | >> | >> | >> | Data >> Description: | >> | generated by >> r.in.gdal | >> | >> | >> | >> Comments: | >> | r.in.gdal input="D:\data\hdf5\aaa.tif" >> output="aaa" | >> | >> | >> >> >> +----------------------------------------------------------------------------+ >> (Thu Jan 21 09:56:47 2010) Command finished (0 >> sec) >> (Thu Jan 21 09:56:50 2010) >> >> >> 2)then I use r.null to set the null value to null: r.null >> setnull=-1.26765060022823e+030 >> >> >> 3) I use the r.info again to see if it is changed : >> r.info -r map=...@permanent >> >> min=-1.26765060022823e+030 >> max=498.5 >> (Thu Jan 21 09:56:50 2010) Command finished (0 >> sec) >> >> It seems that the valuse are not changed to null. >> >> I wonder why? >> >> _______________________________________________ >> grass-user mailing list >> [email protected] >> http://lists.osgeo.org/mailman/listinfo/grass-user >> >> >
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