(chinese) unicode labeling with postgis db

Christian Sengstock csengstock at GMAIL.COM
Wed Feb 14 06:37:40 EST 2007


Hi list,
i try to do labeling for chinese features but have some problems.
I tried to make it the way i found in some docs in the internet and in
the mail archive:

- use a postgis unicode db
- use unicode truetype fonts

But unfourtunately its not working for now.


I use a postgres/postgis dbms (PostgreSQL 8.0.9  POSTGIS 1.0.6) and
mapserver 4.10.0 (ms4w package).

My database is UNICODE encoded (imported with GB18030 client encoding).
The unicode chars seem to be ok, i can use these chinese strings in my
web application and they work.

I have a point layer which i render with UMN mapserver.
Now i tried to render the points like this...

LAYER
  NAME 'poi'
  TYPE POINT
  CONNECTIONTYPE postgis
  CONNECTION '...'
  DATA 'geom FROM geo.poi'
  METADATA
    'wms_title' 'poi'
  END
  STATUS ON
  TRANSPARENCY 100
  PROJECTION
  'proj=longlat'
   'ellps=WGS84'
   'datum=WGS84'
   'no_defs'
  END
  LABELITEM 'name'
  CLASS
     NAME poi
     STYLE
        SYMBOL 'circle'
        SIZE 3
        COLOR 255 150 150
     END
     LABEL
       ANTIALIAS true
       COLOR 255 255 255
       OUTLINECOLOR 0 0 0
       POSITION CC
       OFFSET 0 2
       BUFFER 2
       TYPE TRUETYPE
       FONT 'arialuni'
       ANGLE auto
       SIZE 8
       #ENCODING UTF-8 | UNICODE ???
    END
  END
END

where font 'arialuni' ist the microsoft arial unicode font:
arialuni ARIALUNI.TTF

If i use ENCODING UNICODE, its no labels at all.
If i use ENCODING UTF-8 (or GB18030), its like i have no ENCODING attribute.

Attached is a screenshot from the map.


Maybe someone can help or can point me to a good doc?
Thanx a lot,
Chris
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