topic Re: WMS Service not showing in map in ArcGIS JavaScript Maps SDK Questions

WMS Service not showing in map

Anonymous User — Sat, 11 Dec 2021 22:09:09 GMT

I am trying to load my first WMS Service into an ArcGIS API for JavaScript web app. To start I am testing the 'Florida Mosaic' demo service from LizardTech, browsable here:

http://demo.lizardtech.com/lizardtech/iserv/browse

This is my code to add the service:

wmsTest : new WMSLayer("http://demo.lizardtech.com/lizardtech/iserv/ows", {                    
    resourceInfo: {                      
        extent: new Extent(-82.908008,26.740052,-81.248255,29.572644, new SpatialReference({ wkid:4326 })), // must be in PCS of service
        getMapURL: "http://demo.lizardtech.com/lizardtech/iserv/ows",
        layerInfos: [
            new WMSLayerInfo({
                name: "Florida_Mosaic"
            })
        ],
        spatialReferences : [4326, 26917],                        
    },
    spatialReferences : [4326, 3857],
    version : "1.1.1",
    visibleLayers : ["Florida_Mosaic"]
})
‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍

I can see the HTTP Request sent to the demo site, and that their is an image download:

But when I zoom in to Florida, no imagery is displayed.

Some other posts have discussed the need for the service to be in Web Mercator, but the API documentation doesn't say that's required. Is that my issue? Other thoughts?

Thanks for any help/ideas!

Re: WMS Service not showing in map

FC_Basson — Sat, 11 Dec 2021 22:09:12 GMT

Hi Sarah

This is how got the layer to load and display:

var resourceInfo = {
 extent: new Extent(-180, -90, 180, 90, {
 wkid: 4326
 }),
 layerInfos: [
  new WMSLayerInfo({
    name: 'Alaska_IFSAR',
    title: 'Alaska_IFSAR'
  }),
  new WMSLayerInfo({
    name: 'Colorado',
    title: 'Colorado'
  }),
  new WMSLayerInfo({
    name: 'Florida_Mosaic',
    title: 'Florida_Mosaic'
  })
 ]
};

wmsLayer = new WMSLayer('http://demo.lizardtech.com/lizardtech/iserv/ows', {
 resourceInfo: resourceInfo,
 visibleLayers: ['Florida_Mosaic'] 
});
 
wmsLayer.version = '1.1.1';
wmsLayer.spatialReferences[0] = 3857;
 
map.addLayer(wmsLayer);‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍

It seems like the "version" parameter does not apply immediately during layer construction, but setting it afterwards solves it. The version is obviously important for the bbox parameter format and SRS (CRS for 1.3.0)

Re: WMS Service not showing in map

Anonymous User — Tue, 16 May 2017 15:06:56 GMT

Amazing! Thanks!