[mapserver-users] WMS problem

Mon Mar 2 09:13:18 PST 2009

Hi Pietro and Jukka,     
Jukka says a very wise thing but not very 
useful to me. Unfortunately this is our client and we are not going to 
change it, as we are not developers but simply users without any kind of 
skill to play with. Sad but true.     
After that we changed our configuration on 
php.ini in order to generate a php log error (error_log directive: now we 
have a filename, relative path).     
Since we have a no more supported or developed configuration 
(Maplab), as Jukka said, we set the error log file to give only the 
"warning" level error and not the "notice" one. In this case we get only a 
warning (due to a forgotten file), but I dont' think this is the problem. Is 

this correct?     
On the contrary (with notice 
too) we had a lot of notice that I suppose not so important to get the 
problem.     

Thanks for your advice in any 
way.     
Ciao     
andrea

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

-----Original Message-----

From: Pietro Giannini <pgiannini at bytewise.it>

To: mapserver-users <mapserver-users at lists.osgeo.org>

Date: Fri, 27 Feb 2009 14:40:03 +0100

Subject: Re: [mapserver-users] WMS problem

Hi Andrea,

did you look on the php error log file?

pg

Andrea Ardito ha scritto:

Hi Pietro,

1.I've tried to invoke mapserver in cgi mode and it seems ok.

http://webgis.provincia.biella.it/cgi-bin/mapserv?map=/opt/fgs/apps/mapservergeo/map/basewms.map&mode=map&layer=stati 
[http://webgis.provincia.biella.it/cgi-bin/mapserv?map=/opt/fgs/apps/mapservergeo/map/basewms.map&mode=map&layer=stati]

2. We looked on the apache log file and we fixed some errors we
had in a php file.

Anyway things are not changed.

http://webgis.provincia.biella.it/apps/maplab/projects/gmf_apps/basewms4/wmdmap.php 
[http://webgis.provincia.biella.it/apps/maplab/projects/gmf_apps/basewms4/wmdmap.php]

Please, do you have anything else to suggest?

Thank you very much for your help

ciao

andrea

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

-----Original Message----- 

From: Pietro Giannini <pgiannini at bytewise.it> [mailto:pgiannini at bytewise.it] 

To: mapserver-users <mapserver-users at lists.osgeo.org> 
[mailto:mapserver-users at lists.osgeo.org] 

Date: Thu, 26 Feb 2009 16:11:41 +0100 

Subject: Re: [mapserver-users] WMS problem 

Hi Andrea, 

1. no 

2. no matters 

3. It is difficult to answer... 

If the problem is EXTENT & PROJECTION, remember that a .map file
has the PROJECTION set at map level and PROJECTIONs set at layers
level; the map Projection is the projection system of the result of the
map (i.e. the map image), the layer Projection is the projection system
of the data source of the layer. If a layer datasource projection
differs from the map projection, you must to set it, otherwise ms try
to project the data according with map projection. 

Try invoke mapserver in cgi mode to see the results: 
http://the.host/cgi-bin/mapserv?map=/path/of/the.map&mode=map&layer= 
[http://the.host/cgi-bin/mapserv?map=/path/of/the.map&mode=map&layer=]
... 

Imho your problem isn't the map, but occurs in your php script. Take a
look on the php error log: it is a text file, its path is set in your
php.ini file (error_log directive, can be an absolute or relative path)

4. obviously scale is nonsense when using non-projected reference
systems like epsg:4326, but mapserver does not know. 

hth 

ciao 

....................pg 

    -- Pietro Giannini Bytewise srl - Area GIS 41°50'38.58"N 
12°29'13.39"E

Andrea Ardito ha scritto:

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 
[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

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-- 
Pietro Giannini
Bytewise srl - Area GIS
41°50'38.58"N 12°29'13.39"E
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