[UMN_MAPSERVER-USERS] Creating querymap via CGI parameters

Richard Greenwood richard.greenwood at GMAIL.COM
Sun Oct 24 21:27:17 PDT 2004


On Thu, 21 Oct 2004 14:05:46 -0400, Kralidis,Tom [Burlington]
<tom.kralidis at ec.gc.ca> wrote:
> This doesn't work either for me.
> 
> Basically, I'm looking for a CGI GET style URL format, which will give me a map with my query highlighted.  Almost like a OGC:WMS GetFeatureInfo, but returned as an image (n.b. only text-based results are supported in MapServer WMS).
> 
> My inputs would be:
> 
> Layername
> Bbox
> img.x (of queried point)
> img.y (of queried point)
> 
> ...which I've tried to replicate with:
> 
> http://devgeo.cciw.ca/cgi-bin/mapserv/ecows?map=/usr/local/wwwsites/apache/devgeo.cciw.ca/apps/mapserv/services/ecows/config.map&mode=querymap&img.x=289&img.y=268&imgext=-96.49999999971898%2042.00000000017564%20-72.50000000028102%2056.99999999982436&layer=star_phosphorous&buffer=20
> 
> ..but get nothing.
> 
> Doing this via OGC:WMS GetFeatureInfo gives me results, so I know data is there:
> 
> http://devgeo.cciw.ca/cgi-bin/mapserv/ecows?SERVICE=WMS&VERSION=1.1.1&REQUEST=GetFeatureInfo&SRS=EPSG%3A4326&BBOX=-96.49999999971898,42.00000000017564,-72.50000000028102,56.99999999982436&WIDTH=560&HEIGHT=350&LAYERS=star_phosphorous&STYLES=&FORMAT=image%2Fpng&BGCOLOR=0xFFFFFF&TRANSPARENT=FALSE&QUERY_LAYERS=star_phosphorous&INFO_FORMAT=text%2Fhtml&X=289&Y=268&FEATURE_COUNT=5
> 
> ..Tom
> 
> 
> 
> 
> > -----Original Message-----
> > From: Skweda O'Bomsawin [mailto:sobomsawin at kassini.com]
> > Sent: Monday, 18 October, 2004 10:01
> > To: Kralidis,Tom [Burlington]; MAPSERVER-USERS at LISTS.UMN.EDU
> > Subject: RE : [UMN_MAPSERVER-USERS] Creating querymap via CGI
> > parameters
> >
> >
> > I never be able to get Mapserver 4.0 works in querymap mode
> > (error 500).  I finally succeeded with Mapserver 4.2.  My URL
> > looks like this:
> >
> > http://localhost/cgi-bin/mapserv_42?map=/var/www/html/demo.map
> > &layers=poly+
> > bkgd+lakes+roads&mapsize=791+749&imgext=-2341026.679536+-97627
> > 9.05923496
> > bkgd+lakes+69+3
> 
> 
> > 029014.36292+4108266.1303309673&mode=nquerymap&imgbox=53+221+664+721
> >
> > Coordinates are in Lambert (meters).  You can also cache some
> > variables like mode and mapsize.  You need a dummy query
> > layer in your mapfile (or in hidden tag).  I use an imgbox
> > because this is a nquerymap (query with a rubberband square).
> >
> > Skweda O'Bomsawin
> >
> > -----Message d'origine-----
> > De : UMN MapServer Users List
> > [mailto:MAPSERVER-USERS at LISTS.UMN.EDU] De la > part de
> > Kralidis,Tom [Burlington] Envoyé : 15 octobre 2004 20:00 À :
> > MAPSERVER-USERS at LISTS.UMN.EDU Objet : [UMN_MAPSERVER-USERS]
> > Creating querymap via CGI parameters
> >
> > Hi,
> >
> > In the itasca demo, querying features displays a standard
> > querymap, as well as cached query.
> >
> > Looking at the HTML, it looks like:
> >
> > Standard querymap: ms_tmp/DEMO10978846173120.gif
> >
> > Cached query:
> > /cgi-bin/mapserv.exe?map=c:/ms4w/apps/itasca/demo.map&queryfil
> > e=c:/ms4w/
> > tmp/ms_tmp/DEMO10978846173120.qy&layer=lakespy2&layer=dlgstln2
> > &mode=map&
> > size=200+200
> >
> > How can one replicate this behaviour (i.e. output a querymap)
> > with CGI parameters through MapServer CGI?
> >
> > Thanks
> >
> > ..Tom
> >
> > =========================
> > Tom Kralidis
> > Systems Scientist
> > Environment Canada
> > Tel: +01-905-336-4409
> > http://www.ec.gc.ca/


Can't you just use a mode=query (or mode=nquery) and for the qlayer,
provide an html file that has an image tag like src='[img]'

Maybe I do not understand your question, but it seems like that's how i do it.

Regards,
-- 
Richard Greenwood
richard.greenwood at gmail.com
www.greenwoodmap.com



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