[Mapserver-users] center map on x,y coordinates
alhim at intracom.gr
Wed May 5 05:53:35 EDT 2004
maybe it's because of the URL( which I told you to try yesterday ;-)) ), try
this mapxy param without the double quotes "", like that :
On Wednesday 05 May 2004 12:13, Elisabeth Nolz wrote:
> hi paco.
> i've tried scale=15000000 or scale=5000, but there's still this error: "
> getNumeric(): Incorrect data type. "
> perhaps you have an idea what's causing this problem.
> On Tuesday 04 May 2004 16:04, Paco Regodon wrote:
> The scale parameter is not clear, as it is related with RESOLUTION.
> If your units are meters, you can calculate your escale using this formula:
> scale = ((EXTENT * 100) * RESOLUTION / 2.54 ) / image_width_in_pixels.
> RESOLUTION defaults to 72 dpi (dots per inch) but you can change it in the
> mapfile if you need to.
> Just try a big scale (scale=15000000).
> Have you tried using MAPXY/BUFFER instead of MAPXY/SCALE?
> On Tuesday 04 May 2004 11:24, Elisabeth Nolz wrote:
> hi list.
> in my application i have a drop-down menu with lots of addresses (addresses
> and appropriate x,y coordinates stored in a mysql-database). the user can
> choose one address and then click on the submit-button to show the map
> centered on the chosen address.
> the problem is, that i don't know how i could center my map on x,y
> i found the following entry in the mapserver-user-history:
> "If you have x,y coordinates for the centers of your parcels in your mysql
> database, you can just run your search, grab the results, and redirect to a
> url like:
> i tried this link with my coordinates but it doesn't work this way. could
> someone help me please?
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