[OSM-talk] Updates to DigitalGlobe Imagery Layers

Christoph Hormann osm at imagico.de
Sat Jun 29 09:42:27 UTC 2019

On Saturday 29 June 2019, Kevin Bullock wrote:
> DigitalGlobe, now Maxar [1], is transitioning the OpenStreetMap
> imagery endpoints (from “DigitalGlobe Standard” to “Maxar Standard”;
> and from “DigitalGlobe Premium” to “Maxar Premium”). OSM users should
> see content parity between the old and the new layers by June 30,
> 2019. Starting July 1, 2019, there will be only two Maxar layers
> available from within the OSM editors – labeled with Beta.

My usual question: will there be image metadata available for these 
layers, preferably in a machine readable form that allows editors for a 
spatially selective suggestion of the best available imagery?

> The good news: imagery will be more recent and more frequently
> updated with our latest Maxar mosaic content. We hope that our
> improved production processes (bundle block adjustment, atmospheric
> compensation, continuous updates, etc.) will benefit OSM
> contributors.

A quick look at some critical areas shows that while coverage is similar 
or better than with the old layers there is a significant number of 
places where either the Standard and Premium layers now feature the 
same image or where a well mapping suitable image (at high latitudes 
usually: near snow and ice minimum) is being replaced by a less mapping 
suitable image:


There seem to be some rendering artefacts at the lower zoom levels:


Examples of useful improvements:


Christoph Hormann

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