[Geoserver-users] GIF - transparent

Hi!

I would like to animate a wms layer from javascript. I use a image/gif output format. I animate a viewparam - type datetime. It works but the gif is not transparence.

If I add a ’transparent:true’ pair to layer params, its wrong.

I use OpenLayers with Geoserver 2.3.1 and Windows7

My script:

it works

wms_l = new OpenLayers.Layer.WMS(“Mérések”,

wMS_ServiceURL,

{

layers: wms_layer

, request:“animate”

, featurePrefix: featureprefix

, viewparams: view_Params

, aparam:“time”

, avalues:“2014-02-01,2014-02-05”

, format:“image/gif”;subtype=animated"

, format_options: “gif_frames_display:200;gif_loop_continuosly:true”

, version:“1.1.1”

},

{

isBaseLayer: false

, yx: { ‘EPSG:4326’: false }

}

);

it does not work

wms_l = new OpenLayers.Layer.WMS(“Mérések”,

wMS_ServiceURL,

{

layers: wms_layer

, request:“animate”

, featurePrefix: featureprefix

, viewparams: view_Params

, aparam:“time”

, avalues:“2014-02-01,2014-02-05”

, format:“image/gif”;subtype=animated"

, format_options: “gif_frames_display:200;gif_loop_continuosly:true”

, version:“1.1.1”

, transparent: true

},

{

isBaseLayer: false

, yx: { ‘EPSG:4326’: false }

}

);

Can anybody help me?

Thank’s

Endre Holb