Does r.poly support lat/lon?

Michael Shapiro shapiro at
Sun Mar 7 00:17:12 EST 1993

In info.grass.user you write:
r.poly was NOT included in the lat/lon work. In general, the lat/lon
is far from finished, and the vector side of grass is particular
ignorant of lat/lon (which the few exception of d.vect and

>We suspect r.poly may not work properly for lat/long projections.  
>Overlaying the resulting vector data over the original raster data
>shows the edge lines to be fractionally offset, both N to S, and E to W.

>Can anyone verify that lat/long support is implemented for r.poly?
>IF so, have we encountered a bug, or a user error?


>Greg Koerper                            Internet: greg at
>ManTech Environmental Technology, Inc.  UUCP:     hplabs!hp-pcd!orstcs!koerper
>200 SW 35th St., JSB                    
>Corvallis, OR   97333           "The 90s will make the 60s look like the 50s. 
>(503) 754-4490                          Just ask your kids."
> fax:  (503) 754-4338

Michael Shapiro U.S. Army CERL
Environmental Division       
P.O. Box 9005                
Champaign, Ill. 61826-9005

email:   shapiro at
phone:   (217) 352-6511  ext 526
fax:     (217) 373-7222

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