[GRASS-user] Date import: setting projection units

[Helmut Kudrnovsky]

Rich Shepard wrote
> Trying to import an OpenFileGDB with the following parameters:
> 
> Layer name: WQStandards_BeneficialUseDesignations
> Geometry: Multi Line String
> Feature Count: 764329
> Extent: (607675.393548, 81930.638752) - (2554273.406512, 1355726.104279)
> Layer SRS WKT:
> PROJCS["NAD_1983_HARN_StatePlane_Washington_South_FIPS_4602_Feet",
>      GEOGCS["GCS_North_American_1983_HARN",
>          DATUM["NAD83_High_Accuracy_Reference_Network",
>              SPHEROID["GRS_1980",6378137.0,298.257222101]],
>          PRIMEM["Greenwich",0.0],
>          UNIT["Degree",0.0174532925199433]],
>      PROJECTION["Lambert_Conformal_Conic_2SP"],
>      PARAMETER["False_Easting",1640416.666666667],
>      PARAMETER["False_Northing",0.0],
>      PARAMETER["Central_Meridian",-120.5],
>      PARAMETER["Standard_Parallel_1",45.83333333333334],
>      PARAMETER["Standard_Parallel_2",47.33333333333334],
>      PARAMETER["Latitude_Of_Origin",45.33333333333334],
>      UNIT["Foot_US",0.3048006096012192]]
> 
>    I created a new location (Washington-LCC):
> 
> name: unnamed
> proj: lcc
> lat_1: 45.83
> lat_2: 47.33
> lat_0: 23
> lon_0: -120.5
> x_0: 0.1640416
> y_0: 0
> no_defs: defined
> datum: nad83harn
> ellps: grs80
> towgs84: 0.000,0.000,0.000
> 
> but the units are meters, not feet. I don't see where I can specify
> projection units when creating the location. Do I edit the
> PERMANENT/PROJ_UNITS file?
> 
> TIA,
> 
> Rich
> 
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You can define a GRASS  location also by a proj4 string.

Have a look at

https://epsg.io/102749

how the proj4 string may look for your data



-----
best regards
Helmut
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