The new Datum "Geocentric Datum of Australia 1994" uses the GRS80 Ellipsoid, and is
based on ITRF
1992 Epoch 1994.0.
The rest of the parameter swill not change to calc grid coordinates.
If you want to call me sometime Paul, I am in Perth, at work on 08 9322 4955 and will
help you with
anything I can.
Mal Jones
Email: [EMAIL PROTECTED]
----- Original Message -----
From: Clifford J. Mugnier <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
Sent: Friday, February 11, 2000 5:07 AM
Subject: (GIS-L) RE: MI Transverse Mercator Projection
---------------------------------------------------------------------
The Integrated Survey Grid (ISG) is used in New South
Wales. That as well as all other Grids I have ever heard
of being used in Australia since WWII have been
Gauss-Kruger Transverse Mercator Grids. The ISG Central
Meridians are every two degrees starting at 141* East and
continue through 153* East. Scale Factor at Origin is
0.99994, the False Easting is 300 Km, and the False
Northing is 5,000,000 meters at the Equator. These
parameters are for the Australian Geodetic Datum of 1966
(AGD66). I do not know offhand (I am home while writing
this; I'm not at the Lab), what the current parameters are
for the new Datum.
Clifford J. Mugnier ([EMAIL PROTECTED])
The Topographic Engineering Laboratory
Department of Civil and Environmental Engineering
UNIVERSITY OF NEW ORLEANS
New Orleans, Louisiana 70148
Voice and Facsimilie: (504) 280-7095
On Thursday, 10 February, 2000 3:33 PM, Paul Grambauer
[SMTP:[EMAIL PROTECTED]] wrote:
> G'Day,
> I'm trying to import a DXF file into MapInfo that is
> provided in a
> Transverse Mercator Projection for New South Wales,
> Australia the
> coordinate units are in metres. Does anybody know the
> MapInfo equivalent
> projection, or the correct parameters for entry into the
> MapInfo projection
> file. Any thoughts from MapInfo Australia ?
>
>
> Thanks in advance,
>
> Paul Grambauer
> Cessnock City Council
> PO Box 152,
> 68-72 Vincent St,
> Cessnock, 2325
> Phone : +61 02 49934192
> Fax : +61 02 49934200
> Email : [EMAIL PROTECTED]
>
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