Perijove 1 (PJ1), August 27, 2016 |
Perijove 1 (PJ1), August 27, 2016 |
Sep 2 2016, 04:45 PM
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#1
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Administrator Group: Admin Posts: 5172 Joined: 4-August 05 From: Pasadena, CA, USA, Earth Member No.: 454 |
New images released!
And raw images at various processing levels from PJ1 are now in the JunoCam gallery. -------------------- My website - My Patreon - @elakdawalla on Twitter - Please support unmannedspaceflight.com by donating here.
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Sep 9 2016, 12:45 PM
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#2
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Newbie Group: Members Posts: 16 Joined: 4-September 16 Member No.: 8038 |
Gerald : Wow, thank you so much for informing me about SPICE! I had no idea that even existed. It looks like an incredibly deep system but I’ll start chipping away at it and seeing if I can figure out how to get useful 3D data out for this purpose. The program I’m using for the 2D work is also python enabled and has a full 3D environment, so I’m curious how far I can go to integrate the SPICE python wrapper into the process! I feel like optimism is key, here
mcaplinger : That’s very kind of you to say, thank you. I definitely agree that the 2D solution will likely become more difficult on the next closer orbit (and the lat/lon disparities are likely already quite large). I do wonder how much a hybrid method would improve the process - first reprojecting the JunoCam frames onto a geometric Jupiter stand-in in 3D (with data from SPICE), and then using that as a guide to improve the warping I am currently doing in 2D (hopefully minimising the lat/long issue in the process). I'll actually be starting my write-up of the first method this afternoon, and will post a link to it here once I've finished. Cheers and thanks again for the encouragement - it's very much appreciated! |
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Sep 9 2016, 03:57 PM
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#3
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Junior Member Group: Members Posts: 54 Joined: 7-July 16 From: Austin, Texas Member No.: 7991 |
Matt,
You might have come across SpiceyPy - I've had good luck with using it - there's a small example here - http://www.unmannedspaceflight.com/index.php?showtopic=8219. And I must say the documentation for SPICE is excellent... There's another system called ISIS which lets you attach SPICE information to a labelled image and automatically project it to a map, then project from a map to camera space. It also apparently handles image registration and alignment to correct for inaccurate SPICE pointing information (which is an issue with Voyager images, not sure about Juno). Your system might handle similar situations, or you might be able to get it to work with less trouble than learning ISIS - I'm still banging my head on it! Good luck! https://github.com/AndrewAnnex/SpiceyPy https://isis.astrogeology.usgs.gov/ |
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