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@karlfloersch

karlfloersch/OpenWeatherMap + OpenLayers 3 Cloud Cover Example

Created February 24, 2016 20:07
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OpenWeatherMap + OpenLayers 3 Cloud Cover Example
<!DOCTYPE html>
<html lang="en">
<head>
<link rel="stylesheet" href="http://openlayers.org/en/v3.5.0/css/ol.css" type="text/css">
<style>
.map {
height: 400px;
width: 100%;
}
</style>
<script src="http://openlayers.org/en/v3.5.0/build/ol.js" type="text/javascript"></script>
<title>OpenLayers 3 example</title>
</head>
<body>
<h2>My Map</h2>
<div id="map" class="map"></div>
<script type="text/javascript">
var map = new ol.Map({
target: 'map',
layers: [
new ol.layer.Tile({
source: new ol.source.OSM()
})
],
view: new ol.View({
center: ol.proj.transform([37.41, 8.82], 'EPSG:4326', 'EPSG:3857'),
zoom: 4
})
});
var layer_cloud = new ol.layer.Tile({
source: new ol.source.XYZ({
// Replace this URL with a URL you generate. To generate an ID go to http://home.openweathermap.org/
// and click "map editor" in the top right corner. Make sure you're registered!
url: 'http://maps.owm.io:8091/56cde48b4376d3010038aa91/{z}/{x}/{y}?hash=5',
})
});
map.addLayer(layer_cloud);
</script>
</body>
</html>
@karlfloersch
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Author

I made this gist because it was difficult to figure out these tools. A big reason for this is the tutorial for adding an OpenWeatherMap layer found here is using OpenLayers 2. If you're out there desperately trying to figure this out, comment and I'll be happy to help.

@showcasefloyd
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Thank you! I've been struggling with this for an hour and I then I realized that it was using a different library.

@profnimrod
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Many thanks indeed - great help!

@fanthomIII
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fanthomIII commented Dec 8, 2016 •
edited

Thanks man. I did it but it doesn't appear on my map.. any suggestion?
This is my code:

var layer_cloud = new ol.layer.Tile({
    title: "Clouds",
    source: new ol.source.XYZ({
        // Replace this URL with a URL you generate. To generate an ID go to http://home.openweathermap.org/
        // and click "map editor" in the top right corner. Make sure you're registered!
        url: 'http://maps.owm.io:8091/56cde48b4376d3010038aa91/{z}/{x}/{y}?hash=my_hash',
        crossOrigin: "anonymous"
    })
});
var weather_group = new ol.layer.Group({
    'title': "Climate Maps",
    layers: [layer_cloud]
});

map.addLayer(weather_group);

NOTE: I'm using the hash provided on Map Editor/Projects/my_project/Settings/Tile
Thanks again.

UPDATE

The problem is the crossOrigin instruction.

To allow crossOrigin, the code is the below:

var layer_cloud = new ol.layer.Tile({
    title: "Clouds",
    source: new ol.source.XYZ({
        // Replace this URL with a URL you generate. To generate an ID go to http://home.openweathermap.org/
        // and click "map editor" in the top right corner. Make sure you're registered!
        url: 'http://maps.owm.io:8091/56cde48b4376d3010038aa91/{z}/{x}/{y}?hash=my_hash',
        tileOptions: {
            crossOriginKeyword: 'anonymous'
        },
        crossOrigin: null
    })
});

@kaicyee
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kaicyee commented Dec 5, 2017 •
edited

Hi, Karl,
I've been struggling with this Openweathermap layer integrating with Google map for a few days now. Can I contact you for a few questions?
Thanks,
Kai

@DmytroMykhalchuk
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Thank you, it helps me)

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