[ka-Map-users] map center

Paul Spencer pspencer at dmsolutions.ca
Fri Mar 17 07:40:42 EST 2006


Kurt,

Do you mean the center of the map when it is first loaded?  This is  
normally controlled by the map file but it is possible to pass  
parameters to the index.html page to cause it to load at a different  
set of extents or at a center point and scale.

You can pass the following:

map=<map name> - loads <map name> instead of the default specified in  
config.php
extents=minx,miny,maxx,maxy - zoom to these extents.  kaMap will find  
the closest scale that completely contains the extents ... this  
relies on viewport size and may have unintended results
cps=centerx,centery,scale - center the map on the given point and set  
the scale to the given value.

All coordinates are in the coordinate system of the map file, no  
reprojection happens.  Scale is one of the pre-defined scale values  
for the map.

Cheers

Paul

On 17-Mar-06, at 2:36 AM, K Kuo wrote:

> Hi,
> Is the map center controled by "extent" in map file while running  
> ka-map? Can map center be variables?
> Thanks
>
> kurt
>
>
> _______________________________________________
> 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   |
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|Applications & Software Development                              |
|DM Solutions Group Inc                 http://www.dmsolutions.ca/|
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