Re: scale error for each pixel
Ken Mankoff <[email protected]>
| Newsgroups | gmane.comp.gis.grass.user |
|---|---|
| Message-ID | <[email protected]> |
Dear Helmut, On 2017-11-02 at 07:17, Helmut Kudrnovsky <[email protected]> wrote: > Ken Mankoff wrote >> Does GRASS (or GDAL?, proj4?) have a function (or addon) to provide the >> scale error for a given cell? > > AFAIR there is now an area function in r.mapcalc in GRASS trunk to calculate > the pixel area. There is. I've just built GRASS 7.5. But the area() function just returns nsres*ewres for each cell, it does not consider projection errors. I'll look into the lower-level proj code for this. Thanks, -k. _______________________________________________ grass-user mailing list [email protected] https://lists.osgeo.org/mailman/listinfo/grass-user