[Mapbender-users] Extract coordinates from a mapbender map

[Christian Wygoda]

Hi,

if your main document and the iframe document fulfill the browser's same
origin policy, you're set to go, if not, expect trouble.

See
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Same_origin_policy_for_JavaScript for an explanation.

Cheers,
  Christian

On Thu, 2013-12-19 at 09:30 +0200, Geoset Ltd wrote:
> Thanks a lot! But what do you mean at the end "If the iframe and main
> document target different origins" ? The src of the iframe doesn't
> point to another html page. It points to the map itself. The link is
> the one of the Mapbender application.
> 
> 
> 
> 2013/12/18 Christian Wygoda <christian.wygoda at wheregroup.com>
>         Hi,
>         
>         you will need to gain access to the iframe's window object and
>         from
>         there use that window's jQuery object to gain access to the
>         map like so:
>         
>         // Code untested, so here be dragons:
>         
>         var iframe = $('iframe').get(0);
>         var iwindow = iframe.contentWindow || iframe;
>         var mapDiv = iwindow.$('.mb-element-map')
>         var olMap = mapDiv.data('mapbenderMbMap').map.olMap;
>         
>         Then, add a click listener to mapDiv and use the olMap to
>         convert the
>         viewport click position to world coordinates. See the
>         OpenLayer Map API
>         docs for that.
>         
>         If the iframe and main document target different origins, you
>         will
>         probably have trouble accessing them from each other in
>         JavaScript
>         though.
>         
>         Cheers,
>           Christian
>         
>         
>         On Tue, 2013-12-17 at 13:35 +0200, Geoset Ltd wrote:
>         > I'm using mapbender3
>         >
>         >
>         >
>         > 2013/12/17 Armin Retterath <armin.retterath at gmail.com>
>         >         sorry - do you use mapbender3 or mapbender2?
>         >
>         >
>         >
>         >
>         >         2013/12/17 Geoset Ltd <gsetit at gmail.com>
>         >                 Hello. I have a web application and in it,
>         an iframe
>         >                 with a Mapbender map. Is there a way to get
>         the
>         >                 coordinates of a point when I click on it on
>         the map?
>         >                 I want to use these coordinates in my web
>         app.
>         >
>         >                 Thanks.
>         >
>         >
>         >
>         >
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>         >
>         >
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>         
>         
>         --
>         ********************************************
>         Where2B Konferenz 2013
>         12. Dezember 2013 in Bonn
>         www.where2b-conference.com
>         ********************************************
>         --------------------------------------------
>         WhereGroup GmbH & Co. KG
>         Eifelstraße 7
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>         Germany
>         
>         Christian Wygoda
>         Anwendungsentwickler
>         
>         Fon: +49 (0)228 / 90 90 38 - 15
>         Fax: +49 (0)228 / 90 90 38 - 11
>         
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-- 
********************************************
Where2B Konferenz 2013
12. Dezember 2013 in Bonn
www.where2b-conference.com
********************************************
--------------------------------------------
WhereGroup GmbH & Co. KG
Eifelstraße 7
53119 Bonn
Germany

Christian Wygoda
Anwendungsentwickler

Fon: +49 (0)228 / 90 90 38 - 15
Fax: +49 (0)228 / 90 90 38 - 11

info at wheregroup.com
www.wheregroup.com
Amtsgericht Bonn, HRA 6788
--------------------------------------------
Komplementärin:
WhereGroup Verwaltungs GmbH
vertreten durch:
Olaf Knopp, Peter Stamm
--------------------------------------------