[postgis-users] point display in mapserver app.

Mark Cave-Ayland mark.cave-ayland at ilande.co.uk
Wed Jun 13 11:20:00 PDT 2007


On Wed, 2007-06-13 at 18:43 +0200, Giuseppe Molinario wrote:
> Hi everyone, 
> 
> I am working with a postgis point table that needs to be displayed in
> a mapserver application (pmapper). 
> 
> my problems:
> 
> 1. what happens when two points are in the same exact location? ( the
> rows in my table can sometimes have the identical lat long coordinates
> and therefore geometry column.) 
>       * how can i set the mapfile to show me both points and labels?
>         is this ever possible? I realize this is a bit of werid
>         question, but i am not asking about topology...just nuts and
>         bolt postgis/mapfile....
>       * the query tool does not respond anymore. seems like having two
>         identical points prevents the query tool from working 
>       * this all worked prior to me having "overlapping" points
> 2. different question. Layer>class in mapfile: I have an EXPRESSION
> object that goes like this  EXPRESSION ([ID_specie_att]=2) now how do
> i get the SAME class to display both points that have value 2,3,4,5,6?
> Do i really have to make 5 different classes? I would rather not
> because i don't want them in my legend. 
> 
> 
> thanks very much for any help. 
> 
> Giuseppe 


Hi Giuseppe,

These questions are to do with Mapserver rather than PostGIS, so I'd
suggest that you try the mapserver-users mailing list at
http://mapserver.gis.umn.edu/community/mailinglists/mapserver-users/.


Kind regards,

Mark.

-- 
ILande - Open Source Consultancy
http://www.ilande.co.uk





More information about the postgis-users mailing list