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HiRISE DEM's
elakdawalla
post Feb 1 2010, 05:47 PM
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I'd amend that to

early results = awesome!


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charborob
post Feb 1 2010, 06:10 PM
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If this is only "early results", I can't wait to see the finished work.
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djellison
post Feb 1 2010, 06:16 PM
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It's rendering now. Start with Pathfinder pan view like that screenshot - fade it out to DEM - fly up and out, round the back of Twin Peaks - over to Big Crater, a high pass over to the top of the DEM, then fly back past North Knob to the landing site with a view of Big Crater, and fade BACK to the Pathfinder Pan.

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djellison
post Feb 2 2010, 11:23 AM
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Time for DEM hatrick....

One of Pete Grindrod's DEM's - Candor Chasma
http://www.youtube.com/watch?v=yaEdssbD1LU

One of the HiRISE teams - Slope Streaks (NW scarp slope of Olympus Mons, I beleive)
http://www.youtube.com/watch?v=GQFyW4a-oDw

And the one I've been dreaming of for 3 years. Mars Pathfinder. DEM by Pete (with hindrance and biscuits by me ) last week.
http://www.youtube.com/watch?v=uE_Ih0hgnlw
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charborob
post Feb 2 2010, 02:11 PM
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Fantastic animations! Congratulations, Doug!
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ElkGroveDan
post Feb 2 2010, 02:38 PM
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blink.gif Go ahead and take the rest of the week off Doug and send me the tab for the first round at your favorite bar tonight.


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djellison
post Feb 2 2010, 02:49 PM
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When I first popped the pathfinder pan back over the pathfinder dem.... I swore quite loudly.

"**** off, no WAY is it going to match that well"

And it did.

I'm trying to improve it with an HRSC or CTX image as a virtual table-cloth under the place-mat that is the HiRISE dem. Sadly - the HRSC DEM of that site isn't available ( as far as I can tell. There were two observations on that orbit. 3147_0000 and 3147_0001 gues which one's pathfinder. Now guess which one's got a DEM available on ESA's PSA... yup - the OTHER one)



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hendric
post Feb 2 2010, 03:36 PM
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Doug,
Simply amazing. When you redo this one, can you add a few seconds pause after a slow fade back to the Pathfinder pan? That would be great.


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djellison
post Feb 2 2010, 04:24 PM
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I'm doing a MAJOR 2.0 that's quite different - but will end with a fade probably, to the twin peaks.

It starts about 20km above the deck smile.gif
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eoincampbell
post Feb 2 2010, 06:23 PM
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For some reason only Quicktime wants to play it smooth... for anyone with older machines...
Really is gorgeous, thanks for sharing.

Eoin


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nprev
post Feb 3 2010, 02:48 AM
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Man, oh man...watched each several times, never gets old. Thanks, Doug!


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Stu
post Feb 3 2010, 07:37 AM
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Truly excellent work Doug, I've toured the Pathfinder site a dozen or so times now, thanks to you!

Now, if we can just get you and James Cameron in the same room, maybe, just maybe, the two of you can bring "Red Mars" to the big screen...! smile.gif


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Hungry4info
post Feb 3 2010, 08:30 AM
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Very nice work!


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pgrindrod
post Feb 3 2010, 02:17 PM
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This was raised over in the Opportunity distant vistas thread, but I think this is probably the better home for it.

After helping Doug make the Pathfinder DEM, we were trying to figure out how well it matched up with the panorama from on the ground (suspiciously well!). So using the same method as in the other thread, here's my attempt at trying to show the distant features that show up for something about 1.5 m off the deck at Pathfinder's location.

Here's a hillshade basemap of the DEM, with a colour map overlain. I had to stretch the colour to show off the subtle topography at Pathfinder, hence the cut-off at big crater. You can also see the only error in the whole DEM near the top. The red dot is Pathfinder.
Attached Image


And here's basically the visibility of that DEM from Pathfinder. Same colours as before - green is visible, red is not. Twin peaks and big crater show up quite nicely.
Attached Image


Pete
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ElkGroveDan
post Feb 3 2010, 02:21 PM
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What a fantastic and useful technique Pete! The work you guys are doing is amazing!


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