Mars Explorer with HiRISE DEM/Texture |
Mars Explorer with HiRISE DEM/Texture |
Feb 2 2010, 01:34 AM
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#1
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Junior Member Group: Members Posts: 37 Joined: 26-January 10 From: Reading, UK Member No.: 5192 |
I've modified my Mars Explorer terrain engine to use the new HiRISE data. This video shows me flying around the Gullies DEM. It's running at about 30 fps.
http://www.youtube.com/watch?v=5Gt7XDaXAWg I hope to make a download of the software available in the next week or two. - Adrian |
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Mar 3 2010, 08:12 AM
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#2
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Junior Member Group: Members Posts: 37 Joined: 26-January 10 From: Reading, UK Member No.: 5192 |
I've upgdraded my RAM and tweaked the software and now I'm able to use the full HiRISE texture resolution (~25cm). Here's my first animation at the full resolution, this one shows Candor Chasma.
http://www.youtube.com/watch?v=0WsjeJiAR4E |
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Mar 3 2010, 09:17 AM
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#3
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Member Group: Members Posts: 713 Joined: 30-March 05 Member No.: 223 |
Simply amazing ! your best one yet ...
I've upgdraded my RAM and tweaked the software obviously you must be using a true 64 bit operating system with > 4GB RAM EDIT: I just read your video info in youtube: QUOTE The animation was created using Mars Explorer and was captured in realtime. in realtime !! Wow, that is very impressive: rendering such high quality, wide horizon views with what must be several millions of polygons at 30 fps ... I thought this nearly impossible without exploiting hardware/GPU to the limit. For example, the relatively simple render engine I wrote for my still DEMs (written directly in plain C, optimized code but without GPU support) takes several seconds to render 10 million polygons. |
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Mar 3 2010, 11:16 AM
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#4
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Junior Member Group: Members Posts: 37 Joined: 26-January 10 From: Reading, UK Member No.: 5192 |
in realtime !! Wow, that is very impressive: rendering such high quality, wide horizon views with what must be several millions of polygons at 30 fps ... I thought this nearly impossible without exploiting hardware/GPU to the limit. For example, the relatively simple render engine I wrote for my still DEMs (written directly in plain C, optimized code but without GPU support) takes several seconds to render 10 million polygons. I have a 8800GTS which can give me up to 250 Million polys/second. I render less than 3 Million polygons per frame as I am using an LOD alogirthm. I get mostly above 60 frames per second. Now I am using the full texture resolution there is some slowdown if I turn quickly because of the amount of texture data that is being loaded from system memory to the graphics card. More RAM on the graphics card should cure this though. |
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