[GRASSLIST:696] Re: d.measure units
Tom Russo
russo at bogodyn.org
Thu Apr 13 01:36:22 EDT 2006
On Wed, Apr 12, 2006 at 11:16:49PM -0600, we recorded a bogon-computron collision of the <russo at bogodyn.org> flavor, containing:
> The manual for d.measure says that it outputs distances in the units of the
> current location, but as far as I can tell it only outputs in meters.
>
> I'm using grass 6.1cvs, updated a few days ago. My location was created
> by importing a shapefile with v.in.ogr and the "location=" flag. My shapefile
> came from a county GIS department, and had the following prj file:
>
> PROJCS["NAD_1983_HARN_StatePlane_New_Mexico_Central_FIPS_3002_Feet",
> GEOGCS["GCS_North_American_1983_HARN",
> DATUM["D_North_American_1983_HARN",
> SPHEROID["GRS_1980",6378137.0,298.257222101]],
> PRIMEM["Greenwich",0.0],
> UNIT["Degree",0.0174532925199433]],
> PROJECTION["Transverse_Mercator"],
> PARAMETER["False_Easting",1640416.666666667],
> PARAMETER["False_Northing",0.0],
> PARAMETER["Central_Meridian",-106.25],
> PARAMETER["Scale_Factor",0.9999],
> PARAMETER["Latitude_Of_Origin",31.0],
> UNIT["Foot_US",0.3048006096012192]]
Interestingly, when I run gis.m and use its measure tool instead of using
d.measure from the command line, it reports distances in US Feet just as I'd
expected d.measure to do.
--
Tom Russo KM5VY SAR502 DM64ux http://www.swcp.com/~russo/
Tijeras, NM QRPL#1592 K2#398 SOC#236 AHTB#1
"And, isn't sanity really just a one-trick pony anyway? I mean all you get is
one trick, rational thinking, but when you're good and crazy, oooh, oooh,
oooh, the sky is the limit!" --- The Tick
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