[mapserver-users] OGR - ArcInfo Coverage Help

Lowell Filak lfilak at medinaco.org
Fri Aug 9 05:35:39 PDT 2002


Alternately you could convert the annotations to two-point lines and label the lines without drawing them (thanks to Steven L. & Daniel M.).
http://mapserver.gis.umn.edu/cgi-bin/wiki.pl?PerlMapScriptExamples35ex10
Lowell F.

The following message was sent by Matthew Archer <ma at t-kartor.se> on Fri, 09 Aug 2002 12:38:25 +0200.

> Hi,
> 
> I am trying to draw ArcInfo annotation via OGR, using MapServer v3.6.1 
> (windows binary) on Windows NT.
> I cannot get MapServer to draw the actual annotation text.  Is this 
> possible, have i got a syntax error somewhere.
> 
> regards
> /Matthew
> 
> Extract from arc DESCRIBE command on cover:
> 
>                  Description of DOUBLE precision coverage anno15b
> 
>                                  FEATURE CLASSES
> 
>                                      Number of  Attribute     Spatial
> Feature Class          Subclass     Features   data (bytes)  Index?
> -------------          --------     ---------  ------------  -------
> ANNOTATIONS                 SDE          2188       524      Yes
> 
> Extract from arc ITEMS anno15b.tatsde command on cover:
> 
>    ITEM NAME        WIDTH OUTPUT  TYPE
> SDE#                   4     5     B
> SDE-ID                 4     5     B
> OBJECT_ID              4    10     B
> ANNOTYPE              30    30     C
> NAME                 250   250     C
> 
> ---------------------------------------------------------
> Using the following syntax with TYPE=Point:
> 
> LAYER
>    NAME anno15
>    TYPE POINT
>    CONNECTIONTYPE OGR
>    CONNECTION "C:\apache\htdocs\gt2\data\anno15b,0"
>    STATUS default
>    CLASS
>      COLOR 0 0 0
>    END
> END
> 
> Mapserver draws points at the start of where each annotation string should be.
> 
> ---------------------------------------------------------
> Using the following syntax with TYPE=Annotation:
> 
> LAYER
>    NAME anno15
>    TYPE ANNOTATION
>    CONNECTIONTYPE OGR
>    CONNECTION "C:\apache\htdocs\gt2\data\anno15b,0"
>    STATUS default
>    CLASS
>      COLOR 0 0 0
>    END
> END
> 
> Mapserver draws nothing for this layer, but gives no error either.  The 
> rest of the layers still draw.
> 
> ---------------------------------------------------------
> Using the following syntax with TYPE=Annotation and with a TEXT fixed label:
> 
> LAYER
>    NAME anno15
>    TYPE ANNOTATION
>    CONNECTIONTYPE OGR
>    CONNECTION "C:\apache\htdocs\gt2\data\anno15b,0"
>    STATUS default
>    CLASS
>      COLOR 0 0 0
>      TEXT "hello"
>      LABEL
>        COLOR 0 0 0
>      END
>    END
> END
> 
> Mapserver draws the default text where each annotation string should have been.
> 
> ---------------------------------------------------------
> Using the following syntax with TYPE=Annotation and with a LABELITEM:
> 
> LAYER
>    NAME anno15
>    TYPE ANNOTATION
>    CONNECTIONTYPE OGR
>    CONNECTION "C:\apache\htdocs\gt2\data\anno15b,0"
>    STATUS default
>    LABELITEM "NAME"
>    CLASS
>      COLOR 0 0 0
>    END
> END
> 
> MapServer gives the error:
> msOGRLayerInitItemInfo(): OGR error. Invalid Field name: NAME
> I have tried both NAME,name,Name without success
> 
> 




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