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3

The AIVDM/AIVDO protocol decoding site contains the answer but there is a lot to sift through there. To answer the question posed, this is from the aforementioned site in that format: Here is a typical AIVDM data packet: !AIVDM,1,1,,B,177KQJ5000G?tO`K>RA1wUbN0TKH,0*5C And here is what the fields mean: Field 1, !AIVDM, identifies this as an ...


3

Basically you just need a PHP script that acts as a middle man and does the fetching for you, then returns what it gets directly to the client. I converted your JS snippet above into the relevant parts below. Notice that the url in your Leaflet tileLayer example has been changed to a PHP endpoint with URL parameters: ?s={s}&z={z}&x={x}&y={y} ...


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I have developed a package to do these kinds of tasks on GitHub. To enable/disable extensions, you can just do something like this: from restapi import admin #can also use full namespace restapi.admin # authentication params url = 'http://someserver.yourdomain.com:6080/arcgis/admin/services' usr = 'username' pw = 'password' # login to server, use ...


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I think you need to be using esri/layers/FeatureLayer somewhere in here, because the maps.map.addLayer method is expecting a layer class as input. It looks like you're just passing in a json object instead of a layer class object. Trap the URL from your esriRequest and build a new FeatureLayer from it, something like: featLayer = new ...


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There is a good github repository of Kurt Schwehr who works at the Center for Coastal and Ocean Mapping (to track whale activities for example). There you will find a decoder and documents to understand the nmea messages (mostly links menioned by the posts of @ianmayo and @GID Dev). Here is a small howto running under LINUX and python 2.7. To get some code ...



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