Hi
I’m using AutoCAD civil 3d 2015 and I would like to create custom coordinate system with Ellipsoid = GRS 1980/WGS 84 , and 7 parameters Datum and origin latitude 0, central meridian 48, scale 1 false, Easting 500000, false northing 0. I tried a lot of time and couldn’t do it please if anybody can guide me I appreciate it. My work stopped on this .
T,
In Planning and Analysis:
Map Setup Tab >> Coordinate System Panel >> Create:
Follow the Steps:
The late Sinc made a good video of the process. He did the video in C3D 2010, and 2015 is a bit different, but it'll give you an overview. Click <<Here>>.
Dave
Dave Stoll
Las Vegas, Nevada
T,
The 7 parameters only come into play if you are defining a new Datum. Since you are using WGS84 as your datum, your 7 parameter transformation is essentially {0,0,0,0,0,0,0}. Unless you really are re-defining your Datum, all you need to do is choose your projection type (Lambert, Transverse Mercator, etc...), Scale Factor (scale factor = (R + h) / R), ( define your Central Meridian (48) and Origin Latitude (Equator, 0), and supply a false northing and false easting.
Dave
Dave Stoll
Las Vegas, Nevada