[GRASSLIST:2153] Re: Where's the data within a cell?

Rich Shepard rshepard at appl-ecosys.com
Wed Jul 25 19:18:51 EDT 2001

On Wed, 25 Jul 2001, Roger Miller wrote:

> The location produced by d.what.rast is the cell center.  The location
> produced be d.where is something more like the pixel location.  The
> coordinates bounding a region covered by a raster map are the coordinates
> at the outside edge of the bounding row or column of the raster map.


  Thank you, that's very good to know. I wonder where the point is for USGS
DEMs imported via r.in.gdal. Perhaps Frank will answer this for us, or I
need to dig into the SDTS DEM metadata and see if it's defined there


Dr. Richard B. Shepard, President

                       Applied Ecosystem Services, Inc. (TM)
            2404 SW 22nd Street | Troutdale, OR 97060-1247 | U.S.A.
 + 1 503-667-4517 (voice) | + 1 503-667-8863 (fax) | rshepard at appl-ecosys.com
                 Making environmentally-responsible mining happen.

More information about the grass-user mailing list