MSL Curiosity Lands Safely in Gale Crater, Landing and Commissioning Activity Period 1A, sols 0-8 |
MSL Curiosity Lands Safely in Gale Crater, Landing and Commissioning Activity Period 1A, sols 0-8 |
Aug 15 2012, 07:43 AM
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#991
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Senior Member Group: Moderator Posts: 2262 Joined: 9-February 04 From: Melbourne - Oz Member No.: 16 |
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Aug 15 2012, 08:38 AM
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#992
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Senior Member Group: Moderator Posts: 4279 Joined: 19-April 05 From: .br at .es Member No.: 253 |
Here's my take at SOL 3 - uploaded to 360cities.net in the form of that 457 MB TIFF I stitched together from the current raw images. You can revolve around in 360 degrees. I hope you enjoy. The resolution is awesome. Beautiful! I could stay the whole morning just moving around. Q: Is there any reason to use TIFF instead of JPG with "lossless" compression? The latter would save a lot of space. |
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Aug 15 2012, 08:41 AM
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#993
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Member Group: Members Posts: 161 Joined: 12-August 12 From: Hillsborough, NJ Member No.: 6546 |
Beautiful! I could stay the whole morning just moving around. Q: Is there any reason to use TIFF instead of JPG with "lossless" compression? The latter would save a lot of space. I don't know much about images. It was just luck that I even pulled it off. That said (me being a newb), I didn't want to risk it due to me not knowing, so I kept it in it's original size when it was done. I'm sure you're right. Actually, see? I didn't even know there WAS a lossless JPG! But I will check it out. And thanks for the compliment. -------------------- |
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Aug 15 2012, 08:53 AM
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#994
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Senior Member Group: Moderator Posts: 4279 Joined: 19-April 05 From: .br at .es Member No.: 253 |
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Aug 15 2012, 09:12 AM
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#995
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Senior Member Group: Moderator Posts: 2262 Joined: 9-February 04 From: Melbourne - Oz Member No.: 16 |
I'm not sure that setting quality=100 actually produces a lossless file (not JPEG-LS) I use PNG for lossless output. However as the source images are jpegs there is very little harm in using a little compression to get to more managable file sizes, I normally use jpeg quality between 90 and 95 with no obvious degradation to my eye.
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Aug 15 2012, 09:19 AM
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#996
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Member Group: Members Posts: 153 Joined: 4-May 11 From: Pardubice, CZ Member No.: 5979 |
Here is the MSL Sundial. I stacked a few images of the dial. I also did a 3x, trying to read the small print all over the dial... (no luck... due to JPG artifacts!) PDP8E & Toma B, happy to satisfy your curiosity MSL sundial / calibration target is spare piece of flight hw from MER project. It was many years on somebody's desk untill was decided to "update" it for MSL and mount it on Curiosity's deck. On the sidewalls you could see following messages and illustrations (for future human explorers): In hi-res, and more details in this article |
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Aug 15 2012, 09:33 AM
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#997
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Member Group: Members Posts: 691 Joined: 21-December 07 From: Clatskanie, Oregon Member No.: 3988 |
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Aug 15 2012, 09:39 AM
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#998
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Member Group: Members Posts: 691 Joined: 21-December 07 From: Clatskanie, Oregon Member No.: 3988 |
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Aug 15 2012, 01:13 PM
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#999
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Member Group: Admin Posts: 976 Joined: 29-September 06 From: Pasadena, CA - USA Member No.: 1200 |
PDP8E & Toma B, happy to satisfy your curiosity MSL sundial / calibration target is spare piece of flight hw from MER project. It was many years on somebody's desk untill was decided to "update" it for MSL and mount it on Curiosity's deck. On the sidewalls you could see following messages and illustrations (for future human explorers): ... I always wondered what is the functionality of the festooned collar on the central peg. Paolo -------------------- Disclaimer: all opinions, ideas and information included here are my own,and should not be intended to represent opinion or policy of my employer.
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Aug 15 2012, 01:50 PM
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#1000
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Member Group: Members Posts: 153 Joined: 4-May 11 From: Pardubice, CZ Member No.: 5979 |
I always wondered what is the functionality of the festooned collar on the central peg. Paolo I hope the explanation from this document might help: "The first problem we encountered was that the dial had to be fabricated long before the landing sites on Mars were to be selected, but a sundial’s hour lines very much depend on its latitude, whether you’re on Earth or on Mars. Thus, we couldn’t engrave hour and date lines onto the dial ahead of time. Instead, we decided to take advantage of the fact that everyone would be viewing images of the MarsDial and its shadow on the Web, so we could superimpose the needed lines later, by digital methods. Second, we realized that the dial’s gnomon needed a nodus, so we put a 2-centimeter (nearly 1-inch) diameter sphere on the top and a petal-like “daisy wheel” structure lower down. The sphere acts as our nodus when the Sun is nearly overhead (as will happen midday for the near-equatorial latitudes where the rovers will land), but when the shadow of the sphere falls off the 8- centimeter-square face of the dial, then the petal will step in to act as the nodus." |
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Aug 15 2012, 01:58 PM
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#1001
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Forum Contributor Group: Members Posts: 1372 Joined: 8-February 04 From: North East Florida, USA. Member No.: 11 |
I always wondered what is the functionality of the festooned collar on the central peg. Paolo This link explains it, hover your mouse pointer over the collar. Sundial |
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Aug 15 2012, 04:30 PM
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#1002
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Senior Member Group: Members Posts: 2920 Joined: 14-February 06 From: Very close to the Pyrénées Mountains (France) Member No.: 682 |
Just sharing a nice link I came across today. I haven't seen it on here yet so sorry if I am repeating. Curiosity - 360-degree panorama Thanks Zefler, I understand we must avoid whoua's and ho's but this is one of the best thing I've seen that give you the feeling to actually been there....except that we don't see Mt Sharp yet! Works beautifully on an IPad -------------------- |
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Aug 15 2012, 05:04 PM
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#1003
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Newbie Group: Members Posts: 3 Joined: 12-August 12 From: Berlin Member No.: 6547 |
The raw image site now has an instrument section: http://mars.jpl.nasa.gov/msl/multimedia/raw/
hope that has not been posted before! |
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Aug 15 2012, 05:12 PM
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#1004
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Member Group: Members Posts: 691 Joined: 21-December 07 From: Clatskanie, Oregon Member No.: 3988 |
Anyone know if they plan to image the deck with Mastcam before they start driving test's next week?
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Aug 15 2012, 07:48 PM
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#1005
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Senior Member Group: Members Posts: 2511 Joined: 13-September 05 Member No.: 497 |
MSL sundial / calibration target is spare piece of flight hw from MER project...this article Interesting article. One note: even though the artwork shows "Mars 2012" the actual cal target still said "Mars 2010" at the top the last time I saw it in early 2010 (it wasn't updated after the launch slip.) You can't see this in the Mastcam image because the gnomen occludes it. Maybe it got revised at JPL but I doubt it. -------------------- Disclaimer: This post is based on public information only. Any opinions are my own.
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