Geocento presented at the very high profile Digital Globe ENGAGE 2017 conference, in London 25-26th of April. Whilst we already have a good set of platforms to show some nice, appealing demos on screens, we were looking to add something new, some unique eye-catching animation.
What makes us unique at Geocento is our supplier agnostic API, covering most of the satellite imagery suppliers on the market. We spent a tremendous amount of time building a generic mission and sensor description model. We built on this to cache most our suppliers’ archives as well as to provide mission planning capability, in partnership with our sister company Taitus Software, in Italy, within the EarthImages Pro platform.
In a previous blog we wrote about how we could easily extract interesting geospatial intelligence from our cached archive, notably on acquisitions being made. The generated heatmaps show in a (time) static way, hot spots of interest for a specific year. This time we decided to focus on the time dimension and provide an animation showing how these acquisitions happen over the day. The initial result is in the video below:
We used the well know d3js library to build this little web widget. D3js is very powerful and flexible, it took us less than a day of work to get the result above.
Whilst the result is eye-catching (mission accomplished!), many improvements could be made. The current application shows all types of sensors without distinction, obviously the large swaths appear more prominently, especially the free mission ones such as Sentinels and Landsat. Some filtering would come in handy 😉
We are also big fans of the Cesiumjs library. We could make use of our orbit simulation capability, to display in Cesium’s CZML language the actual satellites together with their acquisitions. Maybe a nice side project for the next ENGAGE conference?
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