[OpenLayers-Users] Optimization of raster WMS layers

[Steve Way]

Are you able to narrow down if it is a particular layer that is causing an issue?

From: openlayers-users-bounces at lists.osgeo.org [mailto:openlayers-users-bounces at lists.osgeo.org] On Behalf Of jdmorgan
Sent: 10 July 2012 21:56
To: openlayers-users at lists.osgeo.org
Subject: Re: [OpenLayers-Users] Optimization of raster WMS layers

Hello,
I am following up on this posting as i am still having this issue.  I was it is possible to speed up openlayers without using a tileCache.  My test page is only working with three layers and yet it is fairly slow compared to loading the same data through a Flex viewer (that also doesn't use a cache).  I am sure it is just a matter of a config parameter I am not setting correction. Here is my js when loading the layer:

    var streetMap = new OpenLayers.Layer.ArcGIS93Rest(
        'ESRI Streets',
        'http://server.arcgisonline.com/ArcGIS/rest/services/World_Street_Map/MapServer/export?f=image',
        {layers: 'show:0'},
        {}
    );

    var stateMap = new OpenLayers.Layer.WMS(
        'States',
        'http://linuxserver/~user/html/vlayers',
        {layers: 'states', transparent: true},
        {
            isBaseLayer: false,
            transitionEffect: 'resize'
        }
    );

    var bigRasterLayer = new OpenLayers.Layer.WMS(
        'EFETAC-NASA_AllYrBaseline_current',
        'http://linuxserver/~user/fswms/html/ews',
        {layers: 'CONUSRasterData', transparent: true},
        {
            isBaseLayer: false,
            transitionEffect: 'resize',
            buffer: 0
        }
    );

    mainMap.addLayers([streetMap, stateMap, bigRasterLayer]);
    mainMap.setCenter(new OpenLayers.LonLat(-98.0859375, 39.095962936305476), 5);

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