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Old 08-01-03, 08:30 PM   #1
MikeC
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Default "Trilinear" Filtering in Motion

I've posted two 5MB video clips.

One is from a GeForce FX 5900 Ultra using the 44.03 Detonator drivers:



The other is from a Radeon 9800 Pro using the 3.6 Catalyst drivers:



Video was taken from UT2003 at 800x600 using FRAPS and compressed in Microsoft's MPEG4 format.

Download the Codec here for Windows Media Player -
http://www.cabcconnection.com/support/CodecDownLoad.asp


http://www.nvnews.net/temp/1.avi

http://www.nvnews.net/temp/2.avi


UseTrilinear=True and LevelOfAnisotropy=1 in UT2003.ini file.

MoveForward speed in the User.ini file was changed from the default of +300 to +1 when capturing the video.
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Old 08-01-03, 09:20 PM   #2
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First of all images are NOT identical gun is looking slightly in different location at start and throu out the test buts its ok

Second very hard to see any differences would need bigger resolution , both looks ok.


EDIT: looked at it from zoom first file <1> Looks better , what card is it Rad or Fx ?
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Old 08-01-03, 09:38 PM   #3
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Quote:
Originally posted by -=DVS=-
Second very hard to see any differences would need bigger resolution , both looks ok.
Yes, you have to have a keen eye to spot the differences, but they are there

Hint: Look at the "smoothness" of the mipmap transitions between the textures on the ground. Imagine that there's a horizontal line across the video that passes through the cross hair.

Also save both videos to your PC and play them back one after the other multiple times. The most important tip is to stay focused on the ficticious horizontal line as the crosshair moves. If you're still having trouble, decrease the playback speed.
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Old 08-01-03, 09:43 PM   #4
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Mike, maybe if you had a high quality 200-500MB video we would be able to spot the difference.
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Old 08-01-03, 09:49 PM   #5
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Video 1 looks better to me. Clear mipmap levels in video 2. Viewed each video once.
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Old 08-01-03, 09:49 PM   #6
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Cant see a difference .. both good .
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Old 08-01-03, 09:52 PM   #7
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Quote:
Originally posted by K.I.L.E.R
Mike, maybe if you had a high quality 200-500MB video we would be able to spot the difference.
Heh. They were about 100MB before I compressed them. The quality of the compressed videos is very good though.

Maybe if I smacked your ass a couple of times, you could see the difference. Some of the folks at B3D were able to point them out
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Old 08-01-03, 09:56 PM   #8
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Video 1 looks better
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Old 08-01-03, 10:03 PM   #9
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Quote:
Originally posted by SH64
Cant see a difference .. both good .
I've noticed that some people say they can't tell a difference even when I changed the forward speed from 300 to 1. Plus, the video was recorded at 30 frames per second.
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Old 08-01-03, 10:03 PM   #10
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Ya, have to agree there... quality looked about the same but at the horizon, vid 1 looks alot better.
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Old 08-01-03, 10:09 PM   #11
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Boy won't there be egg on a whole lot of people's faces if it is in fact the 5900 that folks are saying looks better.

I'm not gonna vote, though.
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Old 08-01-03, 10:13 PM   #12
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Quote:
Originally posted by saturnotaku
Boy won't there be egg on a whole lot of people's faces if it is in fact the 5900 that folks are saying looks better.

I'm not gonna vote, though.
Well difference is small hard to see realy my vote goes on 1 even if it is GeforceFx ( but in case it is you need to use aplication setting to get such results ?)
Now second question would be what FPS were you getting on both ?

And why didn't MiceC made comparision without aplication settings , make them on Quality settings in Control panel with 8xAF maybe with 4xAA also , that is how moust people play
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