Hi,
we have this system working with MapServer version 4.8.2, PHP version 4.4.2.
I am trying to do a map that shows both layer (WGS84 shapefile) and WMS data
togheter. The starting response is ok, but I get the
blank image from the first pan or zoom on.
This is the example URL:
http://webgis.provincia.biella.it/apps/maplab/projects/gmf_apps/basewms4/wmdmap.php
I guess the problem is due to wrong parameters for EXTENT, SIZE and
PROJECTION in the mapfile.
These are:
EXTENT -15 25 40 70
SIZE 470 520
PROJECTION "init=epsg:4326".
The question are:
1. the SIZE (in pixel) has to be proportional to the EXTENT?
2. if yes, how to obtain the right values for the EXTENT?
3. if not, where is the problem?
4. in a map with geographic non-projected data like this, is correct to have
value for scale of the
representation since UNITS are DD?
I would be very grateful for any help from you all, thanks!
Best regards
andrea ardito
P.S. If I set no layer in the map file, and I try to represent only WMS
layer (adding them from "Servizi WMS"
button), it works.
arch. Andrea ARDITO
Sistema Informativo Territoriale Ambientale (S.I.T.A.)
Settore Pianificazione e Sicurezza del Territorio
Provincia di Biella
Via Quintino Sella, 12 - 13900 BIELLA
tel. 015.8480880
fax. 015.8480740
--http://www.provincia.biella.it------------------------------------------------------
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