[mapguide-users] Wisconsin County Coordinate Systems Error on Transform

Flipper scotth at mpowerinnovations.com
Mon Aug 15 08:14:54 PDT 2016


In a follow up note, This turned out (in my case) to be Strictly Because
proj4js cannot parse County Coordinate codes for Either Minnesota or
Wisconsin, there is something it does not like at all. This will need to be
addressed if a new fusion viewer on a newer proj4js is to be utilized

Here is an example: In Mapguide this System will not parse out in proj4js
PROJCS["MowerMN-F",GEOGCS["LL83",DATUM["NAD83",SPHEROID["GRS1980",6378137.000,298.25722210]],PRIMEM["Greenwich",0],UNIT["Degree",0.017453292519943295]],PROJECTION["Lambert
Conformal Conic, Minnesota DOT
Variation"],PARAMETER["false_easting",500000.000],PARAMETER["false_northing",100000.000],PARAMETER["central_meridian",-93.95000000000000],PARAMETER["latitude_of_origin",43.50000000000000],PARAMETER["standard_parallel_1",43.80000000000000],PARAMETER["standard_parallel_2",43.56666666670000],PARAMETER["Average
Elevation (system unit)",1260.0000],UNIT["Foot_US",0.30480060960122]]

This is from a Minnesota website I found
PROJCS["NAD_1983_HARN_Adj_MN_Mower_Feet",GEOGCS["GCS_NAD_1983_HARN_Adj_MN_Mower",DATUM["D_NAD_1983_HARN_Adj_MN_Mower",SPHEROID["S_GRS_1980_Adj_MN_Mower",6378521.049,298.2572221008827]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",100000.0],PARAMETER["Central_Meridian",-93.95],PARAMETER["Standard_Parallel_1",43.56666666666667],PARAMETER["Standard_Parallel_2",43.8],PARAMETER["Latitude_Of_Origin",43.5],UNIT["Foot_US",0.3048006096012192]]

This parses out fine in proj4js, however Meastro and Mapguide Studio will
not reproject to the new coordinate system from the old MG coordinate system
so Every layer in the map also needs a coordinate system over-ride (VERY
tedious)





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