[GRASSLIST:5712] Re: v.proj problems - state plane to UTM
Philipp Molzer
phil at molzer.net
Sun Mar 2 17:43:03 EST 2003
So do you think NJDEP is being non-compliant, or the meta-data is
incorrect, or am I mis-interpreting the metadata?
more info:
Originator: New Jersey Department of Environmental
Protection (NJDEP),Office of Information Resources Management (OIRM),
Bureau of Geographic Information and Analysis (BGIA)
Publication_Date: 1992
Title: NJDEP 1990 Census Tracts for Essex County, New Jersey
Edition: 1992
Geospatial_Data_Presentation_Form: vector digital data
Publication_Information:
Publication_Place: Trenton, NJ
Publisher: NJDEP
Online_Linkage:
http://www.state.nj.us/dep/gis/digidownload/zips/trct/esstrct.zip
Eric G. Miller wrote:
>According to New Jersey Statutes:
>
>51:3-7. Official survey base established; plane co-ordinates
> 51:3-7. The official survey base for New Jersey shall be a system of
>plane co-ordinates to be known as the New Jersey system of plane co-ordinates,
>said system being defined as a transverse Mercator projection of the Geodetic
>Reference System of 1980, having a central meridian 74°30' west from Greenwich
>on which meridian the scale is set at one part in 10,000 too small. All
>co-ordinates of the system are expressed in meters, the x co-ordinate being
>measured easterly along the grid and the y co-ordinate being measured northerly
>along the grid, the origin of the co-ordinates being on the meridian 74°30'
>west from Greenwich at the intersection of the parallel 38°50' north latitude,
>such origin being given the co-ordinates x=150,000 meters; y=0 meters. The
>precise position of said system shall be as marked on the ground by
>triangulation or traverse stations established in conformity with the standards
>adopted by the National Geodetic Survey, formerly the United States Coast and
>Geodetic Survey for first and second-order work, whose geodetic positions have
>been rigidly adjusted on the North American Datum of 1983 or the most recently
>published adjustment by the National Geodetic Survey, and whose plane
>co-ordinates have been computed on the system defined. The New Jersey
>co-ordinate system defined by the North American Datum of 1927 may be used
>concurrently with or in lieu of the system defined by the North American Datum
>of 1983 for a period of 36 months after the effective date of this amendatory
>act, P.L.1989, c.218.
>
> Standard conversions from meters to feet shall be the adopted standards of
>the National Oceanic and Atmospheric Administration.
>
> Amended 1989,c.218,s.1.
>
>
>
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