[mapserver-users] PHP mapscript recenter problem

[Alan Boudreault]

Donatas,

The x,y given to the zoomPoint function are in PIXEL, not lonlat. You cannot 
specify a half pixel. That said, pixel are integers, not double.
 
Alan

On January 22, 2010 03:22:30 am Donatas Malinauskas wrote:
> HGood day,
> 
> I have some problem. I want to recenter my map exactly to users given
> georeferenced coordinates. For that purpose I use php mapscript function
> - zoompoint(ZOOMFACTOR,$myXY, WIDTH, HEIGHT, EXTENT) with ZOOMFACTOR=1.
> But this function doesn't work correctly. ZoomPoint function centers map
> to rounded x,y position (then I have myX 235.5px and myY 330.42 it
> rounds to 235px, 330px) and moves map to incorect center coordinates.
> What should I do in this situation, please give me some advice, how
> recenter map with  best precision.
> 
> Thanks,
> Donatas.
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-- 
Alan Boudreault
Mapgears
http://www.mapgears.com