I can't insert the 7 geodetic parameters into the datum in MAP3D. My parameters are not present in the Autocad Map3D 2025 database and I can create the Geodetic Transformation with the 7 parameters, but when I go to create the DATUM I don't know at which point the software accepts my 7 transformation parameters.Thanks
Davide
Hi Davide,
Welcome to the Autodesk Forums.
In the WKT's you should see:
TOWGS84[-223.7,-67.38,1.34,0,0,0,0]
Your Datum and Geodetic Transformation definitions probably need some work. Please post a drawing(blank is OK) with your coordinate system assigned, and EPSG numbers or parameters for all.
Dave
Dave Stoll
Las Vegas, Nevada
Davide,
I had some time, so I looked into this. MAPCSLIBRARY has some wrong information. I fixed things up. MAPCSLIBRARY does not show a "TOWGS84" in the WKT for my custom coordinate system.
"ENI_DP_1088_Sistema" (Custom Coordinate System. I couldn't find an EPSG listing.)
Transverse Mercator
Central Meridian: 15.0
Latitude of Origin: 0
False Easting: 2520000.000
False Northing: 0.0
Scale Factor: 0.9996
Unit: Meter
WGS84 bounds:
18.99 34.76
5.93 47.1
"Monte_Mario" (Datum)
EPSG:6265
International 1924 "INTNL" (Spheroid)
EPSG:7022
"MonteMario_to_WGS84" (Geodetic Transformation)
EPSG:1088 (-223.7, -67.38, 1.34, 0.0, 0.0, 0.0, 0.0)
ENI_DP_1088_Sistema-CRS Drawing attached.
Dave
Dave Stoll
Las Vegas, Nevada
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