projection problem

[Ethan Alpert]

Well it's a right of passage for mapserver users.

STATUS DEFAULT means always on so when you switch to mode=map it will
still be on

STATUS ON really means that it can be controlled externally with the
layers= CGI parameter.

-e


-----Original Message-----
From: Camden Daily [mailto:cdaily at gmail.com] 
Sent: Wednesday, December 15, 2004 1:10 PM
To: Ethan Alpert
Subject: Re: [UMN_MAPSERVER-USERS] projection problem


That was it!  Why on earth would that break things?

Thanks a lot!
-Camden


On Wed, 15 Dec 2004 13:03:45 -0700, Ethan Alpert
<ealpert at digitalglobe.com> wrote:
> 
> 
> Did you try setting STATUS DEFAULT instead of STATUS ON?
> 
> -e
> 
> -----Original Message-----
> From: Camden Daily [mailto:cdaily at gmail.com]
> Sent: Wednesday, December 15, 2004 1:00 PM
> To: Ethan Alpert
> Subject: Re: [UMN_MAPSERVER-USERS] projection problem
> 
> I tried feet as well, but to no avail.  Could you point me to where I 
> can look up the EPSG code for my projection?
> 
> Thanks,
> -Camden Daily
> 
> On Wed, 15 Dec 2004 12:51:44 -0700, Ethan Alpert 
> <ealpert at digitalglobe.com> wrote:
> >
> > Looks like you have units meters and the data has units feet.
> >
> > Also is there NAD support in your version of libproj4? I seem to 
> > recal
> 
> > there are legality problems wrt distribution of NAD support in 
> > libproj4 and you need to dowload it separately.
> >
> > You may also want to look up the EPSG code for your projection and 
> > try
> 
> > that rather than the proj parameters.
> >
> > -e
> >
> > -----Original Message-----
> > From: Camden Daily [mailto:cdaily at gmail.com]
> > Sent: Wednesday, December 15, 2004 12:49 PM
> > To: Ethan Alpert
> > Subject: Re: [UMN_MAPSERVER-USERS] projection problem
> >
> > Yeah, I've given that a shot as well, but no luck!
> >
> > Thanks though,
> > -Camden Daily
> >
> > On Wed, 15 Dec 2004 12:46:23 -0700, Ethan Alpert 
> > <ealpert at digitalglobe.com> wrote:
> > > Have you tried putting the projection BLOCK in the MAP block 
> > > rather than the LAYER?
> > >
> > > -e
> > >
> > > -----Original Message-----
> > > From: UMN MapServer Users List 
> > > [mailto:MAPSERVER-USERS at LISTS.UMN.EDU]
> > > On Behalf Of Camden Daily
> > > Sent: Wednesday, December 15, 2004 12:11 PM
> > > To: MAPSERVER-USERS at LISTS.UMN.EDU
> > > Subject: [UMN_MAPSERVER-USERS] projection problem
> > >
> > > Hi all.  I'm working on a mapserver application, and running into 
> > > issues with projections.  I have absolutely no background in GIS, 
> > > but I've managed to hack together a pretty good map application 
> > > using tiger/line data, which I believe is in latlong format.
> > >
> > > However, I have a new shapefile I've grabbed for the mass transit 
> > > in
> 
> > > my city, and it's in a completely different projection, and I have

> > > no idea how to get it to work in mapserver.
> > >
> > > When I run ogrinfo on my new shapefile I get the following:
> > >
> > > ----------------------------------------------------------------
> > > INFO: Open of `CTA_Line.shp'
> > > using driver `ESRI Shapefile' successful.
> > >
> > > Layer name: CTA_Line
> > > Geometry: Line String
> > > Feature Count: 186
> > > Extent: (1101584.450000, 1841973.900000) - (1186739.850000,
> > > 1969991.020000) Layer SRS WKT: 
> > > PROJCS["NAD_1983_StatePlane_Illinois_East_FIPS_1201_Feet",
> > >     GEOGCS["GCS_North_American_1983",
> > >         DATUM["North_American_Datum_1983",
> > >             SPHEROID["GRS_1980",6378137.0,298.257222101]],
> > >         PRIMEM["Greenwich",0.0],
> > >         UNIT["Degree",0.0174532925199433]],
> > >     PROJECTION["Transverse_Mercator"],
> > >     PARAMETER["False_Easting",984250.0],
> > >     PARAMETER["False_Northing",0.0],
> > >     PARAMETER["Central_Meridian",-88.33333333333333],
> > >     PARAMETER["Scale_Factor",0.999975],
> > >     PARAMETER["Latitude_Of_Origin",36.66666666666666],
> > >     UNIT["Foot_US",0.3048006096012192]]
> > > CTALINE_ID: Integer (11.0)
> > > ROUTE: String (50.0)
> > > COLOR: String (7.0)
> > > SHAPE_LEN: Real (19.11)
> > > SHAPE_FID: Integer (9.0)
> > > ----------------------------------------------------------------
> > >
> > > For my mapfile, I'm using:
> > >
> > > ----------------------------------------------------------------
> > > MAP
> > >
> > >   NAME Chicago
> > >   STATUS ON
> > >   DEBUG ON
> > >   SIZE 300 300
> > >   IMAGETYPE PNG
> > >   IMAGECOLOR 240 240 240
> > >   SHAPEPATH "/web_system/data"
> > >   FONTSET "/web_system/fonts/fonts.list"
> > >   EXTENT 1101584.450000 1841973.900000 1186739.850000
1969991.020000
> > >   UNITS METERS
> > >
> > >   WEB
> > >     LOG "/web_system/logs/mapserver.log"
> > >     IMAGEPATH "/web_system/tmp/"
> > >     IMAGEURL "/tmp/"
> > >   END
> > >
> > >   LAYER
> > >     NAME "cta_line"
> > >     TYPE LINE
> > >     STATUS ON
> > >     DEBUG ON
> > >     DATA "CTA_Line"
> > >     CLASS
> > >       COLOR 0 0 0
> > >     END
> > >     PROJECTION
> > >       "proj=tmerc"
> > >       "lat_0=36.666666"
> > >       "lon_0=-83.333333"
> > >       "x_0=984250.0"
> > >       "y_0=0.0"
> > >       "k=0.999975"
> > >       "ellps=GRS80"
> > >       "datum=NAD83"
> > >       "to_meter=0.3048006096"
> > >       "no_defs"
> > >     END
> > >   END
> > >
> > > END
> > > ----------------------------------------------------------------
> > >
> > > Of course, no matter how hard I try, my map always comes up blank.

> > > If
> >
> > > anyone can see anything obvious I'm doing wrong, or can point me 
> > > in the right direction with how to debug projection issues, I'd 
> > > greatly
> 
> > > appreciate it.
> > >
> > > -Camden Daily
> > >
> >
>