[OpenLayers-Dev] ANN: OpenLayers 2.2 release candidate 1

Bart van den Eijnden (OSGIS) bartvde at osgis.nl
Fri Oct 20 16:14:04 EDT 2006

Hi Chris,

thanks. That did the trick.

Thanks also for the detailed explanation.

Best regards,

Christopher Schmidt schreef:
> On Fri, Oct 20, 2006 at 09:48:42PM +0200, Bart van den Eijnden (OSGIS) wrote:
>> Hey Schuyler,
>> I just tried the 2.2RC1, is WMS Untiled still working? I don't get any 
>> map anymore.
>> It seems OpenLayers is now requesting images larger than 2048 pixels. 
>> Which is over Mapserver's maximum.
> To obtain the behavior of 2.1 in 2.2RC1, you must pass an option of
>  'ratio': 1
> to the WMS Untiled constructor. This was to correct bad behavior on the
> part of the Untiled layer, where the slightest, 1 pixel movement would
> cause the entire map to reload, a significant user interaction problem.
> The 'ratio' number can be any factor, and will be the amount the WMS
> Untiled layer should scale by. This example will adjust one of your
> layers to use this option correctly: 
> var layer = new OpenLayers.Layer.WMS.Untiled( "WorldGen_Outline",
>     "http://www2.dmsolutions.ca/cgi-bin/mswms_world?", 
>     {layers: 'WorldGen_Outline', 'format':'image/png', 'transparent':'true'}, 
>     {'ratio':1}); // <- your change
> This is also a bug fix for users who have large screens, since now it's
> possible for them to adjust their map images to have a relative size to
> the map which is smaller than that maximum.
> The default behavior was seen as the best choice for user interaction in
> the standard case.
> Regards,

Bart van den Eijnden
OSGIS, Open Source GIS
bartvde at osgis.nl

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