[GRASSLIST:7891] Re: r.proj takes a very long time / does not complete

Morten Hulden morten at untamo.net
Sat Aug 13 12:14:13 EDT 2005

Jason Horn wrote:
> I have a long-standing problem with r.proj.  I have never been able to 
> complete a successful re-projection of a raster file.  For example, I am 
> trying to pull in a raster file from a location that is lat-lon, WGS84 
> into a location that is state-plane meters, NAD83.  The raster grid is 
> relatively small, 1000 cols by 830 rows.  I start r.proj like this:
> r.proj input=KEWX20040710_025420 location=TX_ll_WGS84 mapset=PERMANENT 
> output=proj1 method=nearest 
> Although my CPU stays pegged at close to 100% usage, the progress bar 
> never moves forward and nothing happens, even if I leave it for many 
> hours.  Can anyone tell me what's going on here?

In order to help you I would like to see:

1) The PROJ_INFO file for your latlon location
2) The cellhd file of the KEWX20040710_025420 map in the latlon location
3) The PROJ_INFO file for your NAD83 location
4) The WIND file for your NAD83 location

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