Actual value rather than symbol

Jason FU tsfu at HKUCS.ORG
Tue Aug 16 03:42:25 EDT 2005


I'm to show the value of elevation in the chart. What should the map file
look like?


Jason


On Tue, 16 Aug 2005 02:41:01 -0500, Jason FU <tsfu at HKUCS.ORG> wrote:

>If I've got to show the actual value to the point mentioned by the the_geom
>column from the table below:
>
>CREATE TABLE sounding.sdgonly_20050722point
>(
>  gid serial NOT NULL,
>  recno int8,
>  elevation float8,
>  dataflags int8,
>  dispx float8,
>  dispy float8,
>  size float8,
>  angle float8,
>  scale int8,
>  keyword varchar,
>  usernum int8,
>  fcode varchar,
>  datatype int4,
>  descflags int8,
>  themenum int8,
>  indexkey varchar,
>  superflags int8,
>  sourceid varchar,
>  the_geom geometry,
>  CONSTRAINT sdgonly_20050722point_pkey PRIMARY KEY (gid),
>  CONSTRAINT enforce_dims_the_geom CHECK (ndims(the_geom) = 2),
>  CONSTRAINT enforce_geotype_the_geom CHECK (geometrytype(the_geom) =
>'POINT'::text OR the_geom IS NULL),
>  CONSTRAINT enforce_srid_the_geom CHECK (srid(the_geom) = -1)
>)
>WITH OIDS;
>
>what do I do for the map file?
>
>Thanks!
>
>Jason



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