EPSG code for...

Christopher R. Thorne christhorne at SYMPATICO.CA
Wed Jun 8 14:35:19 EDT 2005


I was worried about that ;) Unfortunately, it is not an easy thing to 
pin point what the projection actually is.

Thanks again,
Chris

Dean C. Mikkelsen wrote:
> Hi Ken,
>  
> Thanks for the information.
>  
> The other problem I was looking at is that it may be a State Plane 
> Coordinate System as well.
>  
> California is divided into many zones and the dataset being worked with 
> did not include some of the projection information.
>  
> Cheers,
> Dean
>  
> Consultant, Terra ETL Ltd.
> North Vancouver, BC
> Canada
> Phone: +1 604 929 8630
> E-mail: dcmikkelsen at shaw.ca <mailto:dcmikkelsen at shaw.ca>
> 
>     -----Original Message-----
>     *From:* UMN MapServer Users List
>     [mailto:MAPSERVER-USERS at LISTS.UMN.EDU] *On Behalf Of *Ken Lord
>     *Sent:* Tuesday, June 07, 2005 12:44 PM
>     *To:* MAPSERVER-USERS at LISTS.UMN.EDU
>     *Subject:* Re: [UMN_MAPSERVER-USERS] EPSG code for...
> 
>     Dean,
>      
>     Make sure you have the Proj software installed, there's information
>     about it here:
>      
>     http://www.maptools.org/maplab/index.phtml?page=maplab_windows.txt
>      
>     and here:
>      
>     http://www.remotesensing.org/proj/
>     <http://proj.maptools.org/> 
>     If you haven't already, grab the windows binaries, unzip and place
>     the Proj folder on your C drive. 
>      
>     C:/Proj
>      
>     Cheers,
>     Ken Lord
>     Vancouver BC
>      
> 
> 
>      
>     On 6/7/05, *Christopher R. Thorne* <christhorne at sympatico.ca
>     <mailto:christhorne at sympatico.ca>> wrote:
> 
>         Dean C. Mikkelsen wrote:
>          > Hi Chris,
>          >
>          > It may be a directory problem, MapServer is not reading the
>         CONUS or
>          > NAD27/NAD83 files correctly in the proj directory.
>          >
>          > Are you using the MS4W or a later version of MapServer?
> 
>         I am using the latest version of ms4w, with Chameleon using
>         MapServer 4.4.2
> 
>         Any suggestions?
> 
>          >
>          > Cheers,
>          > Dean
>          >
>          > Dean C. Mikkelsen, B.Sc.,P.Eng.
>          > Consultant, Terra ETL Ltd.
>          > North Vancouver, BC
>          > Canada
>          > Phone: +1 604 929 8630
>          > E-mail: dcmikkelsen at shaw.ca <mailto:dcmikkelsen at shaw.ca>
>          >
>          >
>          >
>          > -----Original Message-----
>          > From: Christopher R. Thorne [mailto:christhorne at sympatico.ca
>         <mailto:christhorne at sympatico.ca>]
>          > Sent: Monday, June 06, 2005 4:10 PM
>          > To: Dean C. Mikkelsen
>          > Cc: MAPSERVER-USERS at LISTS.UMN.EDU
>         <mailto:MAPSERVER-USERS at LISTS.UMN.EDU>
>          > Subject: Re: [UMN_MAPSERVER-USERS] EPSG code for...
>          >
>          >
>          > Yes I used these projections where
>          >
>          > 26911 NAD 83 is the projection of the mapfile and where NAD27
>         <26711> is
>          >
>          > being reprojected.
>          >
>          > See first attached image to see how messed up the Nad27 layer
>         gets.
>          >
>          > If I don't define projection you can see the a shift between
>         the line
>          > layer and the solid polygon layers.
>          >
>          > Comments/suggestions??
>          >
>          > Thanks
>          > Chris
>          >
>          > Dean C. Mikkelsen wrote:
>          >
>          >>Hi Chris,
>          >>
>          >>Did you try the following?
>          >>
>          >># NAD27 / UTM zone 11N
>          >><26711> +proj=utm +zone=11 +ellps=clrk66 +datum=NAD27 +units=m
>          >>no_defs <>
>          >>
>          >># NAD83 / UTM zone 11N
>          >><26911> +proj=utm +zone=11 +ellps=GRS80 +datum=NAD83
>         +units=m  no_defs
>          >
>          >
>          >><>
>          >>
>          >>Cheers,
>          >>Dean
>          >>
>          >>Dean C. Mikkelsen, B.Sc.,P.Eng.
>          >>Consultant, Terra ETL Ltd.
>          >>North Vancouver, BC
>          >>Canada
>          >>Phone: +1 604 929 8630
>          >>E-mail: dcmikkelsen at shaw.ca <mailto:dcmikkelsen at shaw.ca>
>          >>
>          >>
>          >>
>          >>-----Original Message-----
>          >>From: UMN MapServer Users List
>         [mailto:MAPSERVER-USERS at LISTS.UMN.EDU
>         <mailto:MAPSERVER-USERS at LISTS.UMN.EDU>]
>          >>On Behalf Of Christopher R. Thorne
>          >>Sent: Monday, June 06, 2005 3:29 PM
>          >>To: MAPSERVER-USERS at LISTS.UMN.EDU
>         <mailto:MAPSERVER-USERS at LISTS.UMN.EDU>
>          >>Subject: [UMN_MAPSERVER-USERS] EPSG code for...
>          >>
>          >>
>          >>Hello all,
>          >>
>          >>If you were given the following information for two
>         projections for
>          >>California LA County region.
>          >>
>          >>
>          >>NAD83 UTM Zone 11 meters
>          >>
>          >>NAD27 UTM Zone 11 meters
>          >>
>          >>What would be your suggested codes? I have tried a few but
>         can not
>          >>seem
>          >>to get it.
>          >>
>          >>Thanks
>          >>Chris
>          >>
>          >>
>          >
>          >
>          >
> 
> 
>         --
>         Christopher R. Thorne, GIS Specialist
>         --
>         3406 Southgate Rd. Ottawa ON K1V 9P9
>         christhorne at sympatico.ca <mailto:christhorne at sympatico.ca>
>         Tel:(613)523-6593


-- 
Christopher R. Thorne, GIS Specialist
--
3406 Southgate Rd. Ottawa ON K1V 9P9
christhorne at sympatico.ca
Tel:(613)523-6593



More information about the mapserver-users mailing list