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HiRISE DEM's
nprev
post Jan 27 2010, 10:43 PM
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Man, am I glad I finally got a new computer for Christmas...fantastic work, all!!!!


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A few will take this knowledge and use this power of a dream realized as a force for change, an impetus for further discovery to make less ancient dreams real.
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djellison
post Jan 27 2010, 10:52 PM
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Update : - Gale Crater uploaded
http://www.youtube.com/watch?v=Lh_bfrl9wk0


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The Singing Badg...
post Jan 27 2010, 11:18 PM
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Dude, you made it onto the Huffington Post!

http://www.huffingtonpost.com/2010/01/27/m...s_n_439304.html
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belleraphon1
post Jan 28 2010, 12:49 AM
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TOTALLY AWESOME.

Gold standard Forum this is!

Craig
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Bjorn Jonsson
post Jan 28 2010, 01:29 AM
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QUOTE (djellison @ Jan 27 2010, 10:42 PM) *
It's done in the renderer as required by each frame - I've done actual models of most of these as well, up to about 1.2 million polygons, and in the near-field, these renders look better than those models. Certainly several hundred thousand in each rendered frame. Technically - you could pull about 50 million polys out of each one.

This is simply awesome. But only 1.2 million polygons - are you thinning the polygon mesh by reducing the number of polygons where the terrain is flat?
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djellison
post Jan 28 2010, 07:28 AM
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I think it's being selective in not generating more polys than the are pixels to enjoy them - so in the distance, they are less dense. It regenerates every frame, producing the polys as they're needed. You can turn it up and down, and I basically turn it up till till it start having artifacts, or stops improving in detail. There are far better ways of dong it - you and Adrian have the know-how there. I'm just a tempramental artist smile.gif
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charborob
post Jan 28 2010, 02:33 PM
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Its interesting to compare Doug's Mojave crater flyover to the flyover posted on the HiRise HiClips page: http://hirise.lpl.arizona.edu/media/. (The link to the movie itself is: http://hirise.lpl.arizona.edu/media/clips/...002_web_720.mov)
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djellison
post Jan 28 2010, 06:08 PM
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Interesting in what way smile.gif Good/bad/indiferent
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helvick
post Jan 28 2010, 07:46 PM
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I prefer your lighting, and you have a better flight path IMO (which is entirely subjective). They have the drop on you with the texture overlay though.
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charborob
post Jan 28 2010, 08:38 PM
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Doug, your animations are great. The flyover on the HiRise site has finer detail on the ground, it seems. Maybe they made their animation with a different data set than the DEMs that they posted. Personally, I also prefer their color overlay.
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djellison
post Jan 29 2010, 07:17 PM
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Two more - http://www.youtube.com/watch?v=wswCRehrBNY - West of Juventae Chasma and http://www.youtube.com/watch?v=c4w4d_pfBS0 Bahram Vallis.
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pgrindrod
post Jan 29 2010, 07:54 PM
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they are sweet doug - well done!

take a break now, otherwise you'll have nightmares about render farms and tie points. but hey, at least they'll be in 3D! that said, i'm still looking forward to your home-brewed DEM...

pete
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climber
post Jan 29 2010, 08:16 PM
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I believe I can fly.
Thanks Doug.


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Poolio
post Jan 30 2010, 07:23 PM
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Finally got the chance to watch these full screen and in HD. Just... wow. Greedily I await the next.
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djellison
post Feb 1 2010, 02:35 PM
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Just getting the data that Pete helped me make (in the same way a surgeon 'helps' a patient have surgery) into 3DS Max.

Early results = promising.
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