Hi,
Is there any of you tough guys who can help me convert a projection from a ESRI
projection file into the matching MapInfo projection line
ESRI Projection file:
*********************************************
PROJCS["Accra_Ghana_Grid",GEOGCS["GCS_Accra",DATUM["D_Accra",SPHEROID["War_O
ffice",6378300.0,296.0]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.01745329251
99433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",900000.0
],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-1.0],PARAMET
ER["Scale_Factor",0.99975],PARAMETER["Latitude_Of_Origin",4.666666666666667]
,UNIT["Foot_Gold_Coast",0.3047997101815088]]
*********************************************
The Projection information from within ArcMap:
*********************************************
Projected Coordinate System:
Name: Accra_Ghana_Grid
Alias:
Abbreviation:
Remarks:
Projection: Transverse_Mercator
Parameters:
False_Easting: 900000.000000
False_Northing: 0.000000
Central_Meridian: -1.000000
Scale_Factor: 0.999750
Latitude_Of_Origin: 4.666667
Linear Unit: Foot_Gold_Coast (0.304800)
Geographic Coordinate System:
Name: GCS_Accra
Alias:
Abbreviation:
Remarks:
Angular Unit: Degree (0.017453292519943299)
Prime Meridian: Greenwich (0.000000000000000000)
Datum: D_Accra
Spheroid: War_Office
Semimajor Axis: 6378300.000000000000000000
Semiminor Axis: 6356751.689189189100000000
Inverse Flattening: 296.000000000000000000
*********************************************
A starting point :
*********************************************
"Accra_Ghana_Grid", 8, ???1, ???2, ???3, ???4, 0.999750, 900000, 0
???1 Datum
???2 Units, I guess feet (3) equals this unit ??
???3
???4
*********************************************
Any comments are welcome
Peter Horsb�ll M�ller
GIS Developer
Geographical Information & IT
COWI A/S
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