Bart,

 

Although this does work well, I am getting a strange transition onmouseup
prior to OpenLayers rendering the new image. Onmouseup, the existing image
which is 1461px x 1009px is resized to 256px x 256px and is shown
momentarily until the new image is shown. I have tested in IE8, IE8 with
Google Chrome Frame, Chrome and FF: All show exactly the same issue.

 

Here's my code:

 

      myLayer = new OpenLayers.Layer.WMS(

            'My Layer',

            WMS_MapHostsArr,

            {

                  LAYERS: 'OSAll',

                  FORMAT: 'png'

            },

            {

                  isBaseLayer: true,

                  displayInLayerSwitcher: false,

                  //transitionEffect: 'resize',

                  singleTile: false,

                  buffer: 0,

                  visibility: false

            }

      );

      Map.addLayer(myLayer);

 

 

Let me know if you require any further information or example images. I will
add the contents of this email to GitHub.

 

Many thanks.

 

Regards,

 

Donald

 

 

 

From: Bart van den Eijnden [mailto:[email protected]] 
Sent: 04 January 2013 16:19
To: Donald Kerr
Cc: [email protected]
Subject: Re: [OpenLayers-Users] Change WMS Layer to Single Tile Dynamically

 

A very late reply that this is now possible in OL master:

 

https://github.com/openlayers/openlayers/pull/821

 

so basically just call layer.addOptions({singleTile: true}) for instance.

 

Best regards,

Bart

 

-- 
Bart van den Eijnden
OpenGeo - http://opengeo.org <http://opengeo.org/> 
Expert service straight from the developers.

 

 

 

On Apr 17, 2012, at 7:24 PM, Donald Kerr <[email protected]> wrote:





I have a WMS layer where I would like to be able to switch between
"singleTile: false" and "singleTile: true" dynamically as the user zooms to
a certain level. Is this possible to do?

I know that I can create two layers and switch baselayers by checking the
map.zoom on the layer.loadstart event but it would be nice to be able to
change the WMS layer options dynamically.

Thanks.

Donald

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