[GRASSLIST:5742] mercator coordinates

grass grass seir9 at hotmail.com
Thu Mar 6 02:12:35 EST 2003


>Hi,
>We are brand new grass users and we would like some advice on how to open a
>mercator map in grass (if it is not a UTM) with longitude and latitude
>coordinates instead of this weird easting and northing stuff that seems to
>come up when you use d.where. We are using the option d for other 
>projection
>when setting up our locations, we enter merc for projection, sphere for
>ellipsoid and  then enter our region info in long & lat but when the map is
>loaded we cant view these coordinates and will require them later for
>digitizing.
>
>Command line follows:
>
>A   x,y
>B   Latitude-Longitude
>C   UTM
>D   Other Projection
>RETURN to cancel
>d
>
>follow all other instructions by agreeing
>
>then enter our region coordinates
>
>    DEFINE THE DEFAULT REGION
>
>
>
>
>                        ====== DEFAULT REGION =======
>                        | NORTH EDGE:-20_______     |
>                        |                           |
>             WEST EDGE  |                           |EAST EDGE
>             60________ |                           |105_______
>                        | SOUTH EDGE:-70_______     |
>                        =============================
>
>
>
>            PROJECTION: 99 (Other Projection)          ZONE: 0
>
>                              GRID RESOLUTION
>                                  East-West:     1_________
>                                North-South:     1_________
>
>
>            AFTER COMPLETING ALL ANSWERS, HIT <ESC><ENTER> TO CONTINUE
>                             (OR <Ctrl-C> TO CANCEL)
>
>
>Thanks for any advice


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