Where is Rosetta Interactive


rosettatss

Rosetta and Philae are working hard at comet 67P and how they got there makes for some good interactive content.

Technical:
ESA teamed up with the visualization lab at TECField for this one and chose webGL for the interface. TEC used the ThreeJS javascript library for visualization. Data was loadied into the interface using two csv coordinate files – one for the paths and another for the timestamped milestones on the journey. All 3D model data was stored as OBJ files and texture mapped with png images. Audio uses ogg.

Interface:
Elegant simple clean interfaces work best when exploring new content that stands on its own. The dash and interface are a DOM overlay on the webgl allowing for simpler responsive layout changes for window size. The milestones really pull the interactive together and it would be interesting to have them denoted as points on the scrubber timeline or allow sequential navigation between them (i.e. [next milestone: encounter with asteroid Stein 3D] )

Maintenance:
With exportable and maintainable csv files, data compression is not optimized but export from content creators is kept simple. The app is kept up to date on a daily basis and no web backend is really needed for DB entry. It will be interesting to see if how it is kept up to date while the imagery from Philae on the surface starts coming in. It is likely there is a custom CSV editor to ensure that no errors are made and that orbital data can be imported from other engineering tools.

Reuse:
Any mission can use an interface like this. The spacecraft and target models could be changed up and of the CSV data on paths and milestones.

Social Media:
The big social media aspects for ESA are webcast links, first images, and animated GIFs and simulations of approach and landing. Interactive content showing a timeline has to justify itself in comparison social media and outreach tools which are dense and event-based. They attract a different set of users who want to share in exploration actions not simply the results of the exploration. To bridge the two, embedding of Twtter feed tool, YouTube videos in the milestones section would make this a gateway interface to social media. In the other direction, a ‘goto’ function and embedding capability would make this a tool that could be quickly reference on social media channels (i.e. share this viewpoint and 3 days of orbit time)

 

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