[Mapserver-users] Reprojection of shape file.

[Pericles S. Nacionales]

Jason,

Try these coordinates:
40.430850 -111.779615

-Perry

On Fri, 2004-02-06 at 09:31, Jason M. Nielsen wrote:
> Quoting Pericles Nacionales <nacional at cbs.umn.edu>:
> 
> > Jason,
> > 
> > It seems to me that the projection parameters you're passing are not quite
> > right.  You need to also pass lat_0, lon_0, lon_1, and the x and y
> > shifts--that should all be part of your stateplane coordinate system.
> > Check the epsg file, for your particular cs.  Or google it for more info.
> > 
> > One other thing, be consistent with your datum--NAD83 isn't WGS84.  I
> > realize there might not be that big of a difference but it might matter to
> > you.
> > 
> > -Perry
> 
> Ok. I tried another approach here and I think it looks right with regard to the
> parameters passed and the settings being used but my coordinates are still all
> wacked. I checked the coordinates using a program called  "Corpscon" and the
> extents indicate the correct coordinates output from it. Unfortunately I have no
> clue what Corpscon is doing behind the scenes. Below is what I tried with cs2cs
> and I suspect is what is happening with my .map file as well since
> those are the espg systems I am using.
> 
> Am I still doing things incorrectly? lol
> 
> Thanks.
> 
> [root at vad3rZIM data]# cs2cs +init=epsg:4326 +to +init=epsg:2281 -r -v
> # ---- From Coordinate System ----
> #Lat/long (Geodetic)
> #
> # +init=epsg:4326 +proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs
> # +towgs84=0,0,0
> #--- following specified but NOT used
> # +ellps=WGS84
> # ---- To Coordinate System ----
> #Lambert Conformal Conic
> #       Conic, Sph&Ell
> #       lat_1= and lat_2= or lat_0
> # +init=epsg:2281 +proj=lcc +lat_1=40.65 +lat_2=39.01666666666667
> # +lat_0=38.33333333333334 +lon_0=-111.5 +x_0=500000.0001504
> # +y_0=1999999.999992 +ellps=GRS80 +datum=NAD83 +to_meter=0.3048 +no_defs
> # +towgs84=0,0,0
> #--- following specified but NOT used
> # +ellps=GRS80
> 40.430850 111.779615
> -23236890.32    31173897.64 0.00
> 
> 
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