Date: Wed, 14 Apr 93 13:23:54 PDT
From: lewis!teresa@cerl.cecer.army.mil (Teresa Hansen)Hello,
Does anyone know of a conversion program within
GRASS, or anywhere else, that will convert State
Plane Coordinates to UTM coordinates ??? The area
in question is in Washington State. Any help is
much appreciated.Teresa Hansen
Fort Lewis, Washington.
You can use Unix or DOS proj (rel 4 from charon.er.usgs.gov 128.128.40.24).
A few notes.
Washington has two zones: 4601 for the northern half and
4601 for the southern half. Dividing line usually on a county line.
I have a list of counties and zones.
Which datum is being used: NAD27 or NAD83.
Washington is convered by two UTM zones: 10 for 126W-120W and
11 for 120W-114W
For data from the NW part of the state the following is an example
assuming input data in NAD27 SPCS coordinates:
proj -I +init=nad27:4601 -o <<EOF | proj -i +proj=utm +zone=10 +ellps=clrk66
496806.20 67808.27 somewhere in Seattle
488309.43 197730.10 somewhere in Bellingham
EOF
The results should look like:
550115.00 5271839.98
537967.66 5401427.49
If using NAD83, change +init=nad83:4601 and +ellps=GRS80. DO NOT mix
datum ellipsoids.
If there are any further questions, please contact me.
Gerald (Jerry) I. Evenden Internet: gie@charon.er.usgs.gov
voice: (508)563-6766 Postal: P.O. Box 1027
fax: (508)457-2310 N.Falmouth, MA 02556-1027