Create COG Source

[DanielJDufour]

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A source in OpenLayers is a class that helps you access data. It doesn't deal with visualization.

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var source = new COG({
    attributions: 'Planet',
    url: 'https://s3-us-west-2.amazonaws.com/planet-disaster-data/hurricane-harvey/SkySat_Freeport_s03_20170831T162740Z3.tif'
});

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Additional context
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Might want to extend https://github.com/openlayers/openlayers/blob/4161831e299fbb9b16f6e37a7c8989a4cdaebb74/src/ol/source/Tile.js ?