[ka-Map-users] Map Query
David William Bitner
bitner at gyttja.org
Fri Jun 23 10:36:44 EDT 2006
Steve --
Did you see this example?
http://kappa.gonfi.org/ka-map-query/htdocs/index_query.html
Not quite the same as it creates a tiled layer with the query results that
you can zoom/pan just like everything else, but IMHO a better way for
showing query results as it's a bit more 'sticky'.
The valuable application for the approach that you're talking about would be
to zoom to an area and then use a single, size-of-the-viewport map for time
sensitive data. Think: zoom to an area and then have a weather radar that
auto-refreshed every so many seconds.
db
On 6/23/06, Steve Lime <Steve.Lime at dnr.state.mn.us> wrote:
>
> Sure, I'll have a go. One question that is sort of related. It is possible
> to overlay
> an map generated at the same scale/cellsize as the viewport contents, but
> arbitrary
> size? You'd know the extent so presumably you'd know where to place the
> overlay.
>
> The reason I ask is that it might be a slick way to hilite a feature. For
> example, you
> could have MapServer or whatever generate a small map with the feature
> hilited and
> then use it as an acetate.
>
> Steve
>
> >>> Paul Spencer <pspencer at dmsolutions.ca> 6/23/2006 7:59:55 AM >>>
> Steve,
>
> this seems like it would be good to put in the wiki at http://ka-
> map.ominiverdi.org/wiki/index.php/Query
>
> I copied/pasted your response there but it is lacking some details.
> Could you edit the page and include details on hooking up the ka-Map
> side of things as well.
>
> This would be portable to the OpenLayers stuff too so I think its
> worth the effort to document how to do it
>
> Cheers
>
> Paul
>
> On 22-Jun-06, at 1:22 PM, Steve Lime wrote:
>
> > Have you installed the stock mapserver demo? It shows you how to do
> > a simple query pretty easily. Here's another example from a site here:
> >
> > http://maps/cgi-bin/mapserv46?map=/usr/local/www/docs_maps/
> > mapserver_demos/tests46/query/test.map&program=/cgi-bin/
> > mapserv46&htmlroot=/mapserver_demos/tests46&map_web_imagepath=/usr/
> > local/www/docs_maps/tmp/&map_web_imageurl=/tmp/
> >
> > The mapfile and template file are available.
> >
> > The idea is pretty straight forward, there are 2 steps:
> >
> > 1) author a template file
> >
> > Although typically HTML files you can return XML or whatever. For
> > example,
> > if you have a DBF file with 3 attributes ITEM1, ITEM2 and ITEM3
> > then a template
> > might look like:
> >
> > <html>
> > <head><title>Sample Template</title></head>
> > <body>
> > <li> item 1 is [ITEM1]
> > <li> and item 2 is [ITEM2]
> > <li> but item 3 is [ITEM3]
> > </body>
> > </html>
> >
> > 2) reference the template in the LAYER
> >
> > Typically that means adding the line:
> >
> > TEMPLATE 'mytemplate.html'
> >
> > to the mapfile.
> >
> > In my ka-map example all I am doing is using ka-map properties to
> > make standard query calls to MapServer...
> >
> > Steve
> >
> >>>> "Mike D'Ambrogia" <miked at jamagination.com> 6/21/2006 7:20:27 PM >>>
> > Steve,
> >
> > I'm fully lost in the query side of things (after being fully lost
> > virtually everywhere else...) is there a snippet of the mapfile
> > that you
> > could send back that would show how you setup the mapfile to pass the
> > query event. The code below makes total sense, I just can't
> > connect the
> > dots between clicking the "i" icon in ka-map and firing the jscript
> > snippet below, my thought is that it's a mapfile setup thing that I'm
> > not understanding
> >
> > Any help appreciated
> >
> > Mike
> >
> > -----Original Message-----
> > From: ka-map-users-bounces at lists.maptools.org
> > [mailto:ka-map-users-bounces at lists.maptools.org] On Behalf Of Steve
> > Lime
> > Sent: Wednesday, June 21, 2006 12:16 PM
> > To: pspencer at dmsolutions.ca; absarz at hotmail.com
> > Cc: ka-map-users at lists.maptools.org
> > Subject: Re: [ka-Map-users] Map Query
> >
> >
> > I have a simple query capability working in this example:
> >
> > http://maps.dnr.state.mn.us/ka-map/compass.html
> >
> > It's pretty straight-forward. I just take the output from the query
> > event and pass that along to your mapping application. In my case I'm
> > handing the query off to a standard MapServer CGI application in a new
> > window. The relevant code looks like:
> >
> > function myQuery( eventID, queryType, coords ) {
> >
> > window.open("/cgi-bin/mapserv410?
> > maps=COMPASS_MAPFILE&mode=query&mapxy="
> > + coords[0] + "+" + coords[1]); }
> >
> > Steve
> >
> >>>> Paul Spencer <pspencer at dmsolutions.ca> 6/20/2006 12:45:36 PM >>>
> > sorry, I don't have anything like that. Perhaps someone on the
> > mailing list does ...
> >
> > On 20-Jun-06, at 1:09 AM, Absar Ali wrote:
> >
> >>
> >> Dear Paul Spencer,
> >>
> >> Thnkx for ur prompt response, if you have the code for query then
> >> please email me, i will be very thnk ful to u.
> >>
> >> Regards,
> >>
> >> Absar
> >>
> >>> From: Paul Spencer <pspencer at dmsolutions.ca>
> >>> To: absar ali <absarzaidi at yahoo.com>
> >>> CC: ka-map-users at lists.maptools.org
> >>> Subject: Re: [ka-Map-users] Map Query Date: Mon, 19 Jun 2006
> >>> 17:09:48 -0400
> >>>
> >>> Absar,
> >>>
> >>> the info tool is an example of how you can integrate a query
> >>> capability into your application. It ensures that you have the
> >>> coordinates requested by the user. You need to implement the
> >>> capability to search your data.
> >>>
> >>> Cheers
> >>>
> >>> Paul
> >>>
> >>> On 19-Jun-06, at 1:36 AM, absar ali wrote:
> >>>
> >>>> I have sucessfully installed ka map n its worknig but when i
> >>>> select the info tool and click on the polygon a java script
> >>>> message window appear with some extent values and x y values of
> >>>> the map,
> >>>> what i want is when i click on the polygon a new window will
> >>>> appear with values from the dbf files.
> >>>>
> >>>> Waiting for a v good n working response.
> >>>>
> >>>>
> >>>> Regards,
> >>>>
> >>>> Absar Ali
> >>>>
> >>>> Yahoo! Messenger with Voice. PC-to-Phone calls for ridiculously
> >>>> low rates.
> >>>> _______________________________________________
> >>>> ka-Map-users mailing list
> >>>> ka-Map-users at lists.maptools.org
> >>>> http://lists.maptools.org/mailman/listinfo/ka-map-users
> >>>
> >>> +-----------------------------------------------------------------+
> >>> |Paul Spencer pspencer at dmsolutions.ca |
> >>> +-----------------------------------------------------------------+
> >>> |Applications & Software Development |
> >>> |DM Solutions Group Inc http://www.dmsolutions.ca/|
> >>> +-----------------------------------------------------------------+
> >>>
> >>>
> >>>
> >>>
> >>> _______________________________________________
> >>> ka-Map-users mailing list
> >>> ka-Map-users at lists.maptools.org
> >>> http://lists.maptools.org/mailman/listinfo/ka-map-users
> >>
> >>
> >
> > +-----------------------------------------------------------------+
> > |Paul Spencer pspencer at dmsolutions.ca |
> > +-----------------------------------------------------------------+
> > |Applications & Software Development |
> > |DM Solutions Group Inc http://www.dmsolutions.ca/|
> > +-----------------------------------------------------------------+
> >
> >
> >
> >
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> >
> >
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> +-----------------------------------------------------------------+
> |Paul Spencer pspencer at dmsolutions.ca |
> +-----------------------------------------------------------------+
> |Applications & Software Development |
> |DM Solutions Group Inc http://www.dmsolutions.ca/|
> +-----------------------------------------------------------------+
>
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>
>
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--
************************************
David William Bitner
bitner at gyttja.org
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