[ka-Map-users] New User, few simple questions (set extents, iframe, xmlOverlay, precache)

[Paul Spencer]

Alvin

On 24-Jul-06, at 12:55 AM, Alvin Clay wrote:

> I am a new ka-map user and have a few questions that might be  
> simple but can't find the documentation for it, hopefully this list  
> can help set me straight. I already have ka-Map up and running  
> thanks to Steven Woodbridge, but need some immediate help now.
>
> I am planning on having ka-Map run in an iframe on a php page. This  
> page will need to display overlay points on the map depending on  
> the data requested. Here's what I need to do to have this work:
>
> 1) Extents - I want to be able to have the maps start out at a  
> certain center point and zoom level, but do not know how to send  
> this information to the iframe.html inserted frame. I tried  
> appending a simple array hardcoded to the query string, but got  
> weird results, it's probably the way I sent it.... iframe.html? 
> extents=[-75,40,5] ...?  Preferably I'd like to have the zoom level  
> be dynamic depending on the extent of the points I need to plot,  
> but if I can at least pick a center point and a standard zoom  
> level, that would be ok.

there is an example iframe.html in cvs that does this (see below)

>
> 2) I have installed ka-map 0.2, but I don't see neither the  
> precache.php script nor the overlay pages. What version do I need  
> and where/how do I find it, to get both the precache scripts and  
> the overlay scripts? I suppose these are in the CVS version but  
> don't know how to get it.

there are instructions on getting the cvs version at:

http://ka-map.maptools.org/index.phtml?page=cvs.html

Also, I believe that you can get a nightly snapshot of cvs from  
ominiverdi.org but I can't find a link ...

>
> 3) Are there any suggestions for the best way to send an overlay  
> xml file to the iframe map? The xml would only need to be generated  
> when the main page is loaded/reloaded depending on the data  
> requested, but since the map is in an iframe can it read variables  
> from the main page? I could probably figure this one out if I had  
> the xmloverlay files in my ka-map version, but I thought I'd throw  
> it out there in case someone has dealt with it before. The first  
> two questions are more important.
>
> Thanks all,
> Alvin
>

Cheers

Paul

>
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|Paul Spencer                           pspencer at dmsolutions.ca   |
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|Applications & Software Development                              |
|DM Solutions Group Inc                 http://www.dmsolutions.ca/|
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