[Mapserver-users] JOIN problem

Randy James rjames57 at yahoo.com
Wed Jul 14 09:21:36 PDT 2004


Hi

Will it work if you do not filter it by 'Disfchmt_R' ?

Randy
--- Rebecca Colwell <colwell at geog.umn.edu> wrote: > Hi,
> 
> I'm trying to work through building one of my first .map
> files, and have 
> hit a wall.  I can't seem to figure out how to do a
> one-to-one join.  I 
> keep getting the error messages:
> 
> msDrawMap(): Image handling error. Failed to draw layer
> named 'states'.
> msDBFGetItemIndex(): DBASE file error. Item 'Disfchmt_R'
> not found.
> 
> I triple checked the .dbf I'm trying to join, and that is
> the name of 
> the attribute field I want to access.
> 
> Below is my short bit of code so far.  I would be so
> thankful if anyone 
> could guide me in the right direction on how to get it to
> work.
> 
> ~Becky
> 
> 
> MAP
>    IMAGETYPE      PNG24
>    EXTENT         -2153561.581984760 4847233.565621579
> 2641846.236294404 
> -6178805.564371807
>    SIZE           800 500
>    SHAPEPATH      "data"
>    IMAGECOLOR     203 201 226
> 
>    PROJECTION
>      "proj=laea"
>      "ellps=clrk66"
>      "lat_0=45"
>      "lon_0=-100"
>    END
> 
>    # Start of LAYER DEFINITIONS 
> ---------------------------------------------
>    LAYER # States polygon layer begins here
>      NAME         states
>      DATA         STATES
>      STATUS       DEFAULT
>      TYPE         POLYGON
> 
>      PROJECTION
>        "init=epsg:4326"
>      END
> 
>      JOIN
>      	NAME 	"Felon Ethnicity"
> 	TABLE	"data/FelonEthnicity.dbf"
> 	FROM 	"STATE_NAME"
> 	TO 	"STATE"
>      	TYPE 	single
>      END #Join
> 
>      CLASS
> 	NAME "<21%"
> 	EXPRESSION ('[Disfchmt_R]' <= .021)
> 	COLOR 242 240 247
> 	OUTLINECOLOR 200 200 200
>        COLOR        232 232 232
>        OUTLINECOLOR 32 32 32
>      END
> 
>    END # States polygon layer ends here
>    # End of LAYER DEFINITIONS
> -------------------------------
> 
> END # end of map file/object
> 
> 
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> Mapserver-users at lists.gis.umn.edu
> http://lists.gis.umn.edu/mailman/listinfo/mapserver-users
>  

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