[OpenLayers-Users] RE: using default transparency from service

[spiveygb]

Andreas,

Yes. Here is how I'm building the layer:

lyrName = new OpenLayers.Layer.WMS(
                         layer.title,
                         baseUrl,
                         {
                           layers: layer.name,
                           format: 'image/png',
                           transparent: true
                         },
                         {
                                isBaseLayer: false,
singleTile: true,
                                 ratio: 1,
                                transitionEffect: 'resize'
                         }
                    );

Brett Spivey
NC OneMap Programmer
Center for Geographic Information & Analysis
Office of the State Chief Information Officer
919.754.6591
brett.spivey at its.nc.gov
http://www.cgia.state.nc.us

Email correspondence to and from this address may be subject to the North Carolina Public Records Law and may be disclosed to third parties by an authorized state official.

From: Andreas Hocevar-2 [via OSGeo.org] [mailto:ml-node+s1560n4541403h83 at n6.nabble.com]
Sent: Friday, March 02, 2012 9:48 PM
To: Spivey, Brett
Subject: Re: using default transparency from service

Hi,

do you have your WMS layer configured with something like

{layers: "mylayer", transparent: true, format: "image/png"}

Then things should work.

Andreas.

On Wed, Feb 29, 2012 at 9:17 PM, spiveygb <[hidden email]</user/SendEmail.jtp?type=node&node=4541403&i=0>> wrote:

> When accessing services from ArcGIS Server, either REST or WMS, the layers
> are opaque although they have some transparency by default. Is there no way
> to have the layers draw as intended directly from the service? I know I can
> set opacity when creating the layer but users can add or access
> services/layers from many different servers (that aren't mine). In other
> words, I don't know what services or layers they may add. Therefore, I don't
> want to "assign" a static transparency value for every one of them by
> default in the code.
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Andreas Hocevar
OpenGeo - http://opengeo.org/
Expert service straight from the developers.
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