Ben Madin wrote:
G'day Assefa,
On 05/05/2009, at 12:16 AM, Yewondwossen Assefa wrote:
Do you have the full URL that is received by the server?
No... I'm not sure how to get this(?) - I thought it might be shown if I
set the debug levels high enough, but so far no luck!
If you have access to the web server you can check the logs (with
Apache, it would be the access.log that would contain the request)
You can also get it in your browser by checking the URL referenced by
the image.
MapServer WMS 1.3.0 supports the following EXCEPTIONS : XML, INIMAGE,
or BLANK.
Is might be possible to add EXCEPTIONS: "XML" (or INIMAGE, or
BLANK) when building your OL wms 1.3.0 layer?
using either :
new OpenLayers.Layer.WMS( 'Countries',
'http://trade.murdoch.local/cgi-bin/mapserv?map=/Users/19022662/Sites/marketprices/mapserver/layers/ol_countries_wms.map&SERVICE=WMS&VERSION=1.3.0&EXCEPTIONS=INIMAGE&REQUEST=GetMap&STYLES=&SRS=EPSG:4326&;',
{layers: 'countries'} );
or
new OpenLayers.Layer.WMS( 'Tail Tag Areas',
'http://trade.murdoch.local/cgi-bin/mapserv?map=/Users/19022662/Sites/marketprices/mapserver/layers/ol_countries_wms.map&SERVICE=WMS&REQUEST=GetMap&STYLES=&SRS=EPSG:4326',
{layers: 'tailtagareas', transparent: 'true', version:
'1.3.0', exceptions: 'xml'} );
As I understand it, Openlayers (at least version 2.7) does not support
wms 1.3.0. But you can still do the following and use CRS:84 in your case:
var options2 = {
maxExtent: new OpenLayers.Bounds(-180, -90, 180, 90),
units: 'degree',
//projection: "EPSG:4326"
projection: "CRS:84"
};
map = new OpenLayers.Map( 'map', options2 );
layer = new OpenLayers.Layer.WMS( "gmap wms",
"http://127.0.0.1:8080/cgi-bin/mapserv.exe?map=f:/msapps/gmap-ms40/htdocs/gmap75_wms_4326.map";,
{layers: 'DEMO', VERSION:'1.3.0', EXCEPTIONS:'INIMAGE', CRS:'CRS:84'} );
map.addLayer(layer);
gives no error, but neither do I receive any images any more.
using the url (such as in the first example) works fine in QGIS, so I'm
guessing the web serving 'can' work... very confusing.
I think QGIS does support wms 1.3.0. At the end what the GetMap
parameters should be is:
...&CRS=EPSG:4326&BBOX=ymin,xmin,ymax,xmax or
...&CRS=CRS:84&BBOX=xmin,ymin,xmax,ymax
Best regards,
cheers
Ben
Ben Madin wrote:
G'day all,
I'm a little new to WMS, but I confess the GetLegendGraphic feature
available now in the 5.4 release caught my eye.
So I'm 5.4.0 and using OpenLayers 2.7. However, when I use the URL :
/cgi-bin/mapserv?map=/Users/19022662/Sites/marketprices/mapserver/layers/ol_countries_wms.map&SERVICE=WMS&VERSION=1.3.0&REQUEST=GetMap&STYLES=&SRS=EPSG:4326&
I get the following message (embedded in the tile) :
msWMSLoadGetMapParams(): WMS server error. Invalid format for the
EXCEPTION parameter.
If I drop the VERSION (either back to 1.1.1 or just completely loose
it, text below in the context of the OL script.
var pol_bnd = new OpenLayers.Layer.WMS(
'Countries',
'http://trade.murdoch.local/cgi-bin/mapserv?map=/Users/19022662/Sites/marketprices/mapserver/layers/ol_countries_wms.map&SERVICE=WMS&REQUEST=GetMap&STYLES=&SRS=EPSG:4326&;',
{layers: 'countries'}
);
map.addLayer(pol_bnd);
I get my maps.
I can work with this for now, but is there something I'm missing. I
did try fiddling with the reported CRS / SRS changes, but I think I
just confused myself - but that would be another topic!
Perhaps along with the mapfile in the documentation, a copy of a full
example of a request url would be great.
Some of the mapfile is attached for completeness (it has been sucked
across from a CGI Mapserv application):
--------------------------
MAP
NAME aus_boundaries
STATUS ON
UNITS DD
EXTENT 110 -35 130 -12 # WA extents
SIZE 900 650
SHAPEPATH "../geodata/"
FONTSET "../geodata/fonts/fonts.lst"
SYMBOLSET "../trade.sym"
IMAGECOLOR 230 240 255
CONFIG "MS_ERRORFILE" "/var/log/mserr.log"
DEBUG 5
PROJECTION
"init=epsg:4326"
END
WEB
METADATA
"wms_title" "GMS Livestock Trade"
"wms_onlineresource"
"http://trade.murdoch.local/cgi-bin/mapserv?map=/Users/19022662/Sites/marketprices/mapserver/ol_countries_wms.map&";
"wms_srs" "EPSG:4326"
END
IMAGEPATH "../../tmp/"
IMAGEURL "../../tmp/"
END
LAYER
METADATA
"wms_title" "Country Boundaries"
"wms_srs" "EPSG:4326"
"wms_group_title" "Political"
END
STATUS ON
NAME "countries"
GROUP "Political"
DATA "global/ctybnda"
TYPE polygon
OPACITY 100
CLASS
NAME "Country Borders"
COLOR 240 240 180
OUTLINECOLOR 0 70 0
END
END
----------------------------
--
----------------------------------------------------------------
Assefa Yewondwossen
Software Analyst
Email: ass...@dmsolutions.ca
http://www.dmsolutions.ca/
Phone: (613) 565-5056 (ext 14)
Fax: (613) 565-0925
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