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Stairstepping on Scaled Graphics (Both FCP and Motion)
Posted by Dave Martin on December 21, 2006 at 6:49 pmHi Guys
I have a graphic with alpha channel that I’m scaling from 20 to 60 percent over 3 seconds. The position is also changing slightly (using even numbers). The stairstepping I’m getting is awful. I’ve tried all the deinterlace/flicker filters as well as gaussian blur/broadcast safe etc filters. I’ve tried this in FCP as well as Motion.
I’m fairly new to FCP but I’m a long time After Effects/Avid/DPS user…Can anyone tell me what I’ve missed?
I will cross post…Thanks so much!
Tim Martin
-MacBook Pro – 2.16GHz Intel Core Duo – 2 gig Ram
-FCP Studio 5.1.1 – QT 7.1 – OSX 10.4.6 – Lacie D2 dv external drive – G-raid dv drive
Dave Martin replied 19 years, 5 months ago 7 Members · 19 Replies -
19 Replies
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Dave Martin
December 21, 2006 at 8:20 pmHi Dave
Yes, I’m looking at a Sony Broadcast Monitor (Component). Also, I have a lot of experience doing graphics in AE.
Thanks for the reply…
Tim Martin
-MacBook Pro – 2.16GHz Intel Core Duo – 2 gig Ram
-FCP Studio 5.1.1 – QT 7.1 – OSX 10.4.6 – Lacie D2 dv external drive – G-raid dv drive
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Dave Martin
December 21, 2006 at 9:05 pmYes…it’s rendered. I rendered after every filter/change I’ve tried so far…
Tim Martin
-MacBook Pro – 2.16GHz Intel Core Duo – 2 gig Ram
-FCP Studio 5.1.1 – QT 7.1 – OSX 10.4.6 – Lacie D2 dv external drive – G-raid dv drive
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David Bogie
December 21, 2006 at 10:21 pmWelcome to the fmaily.
Jaggies are only going to show up if you’re looking at the individual pixels.
You can see the pixels if it’s scaled up beyond reason or is in an image format that FCP cannot process natively and so you’re getting a draft image. For instance, FCP has no vector abilities natively so, unlike After Effects, it will not continuously rasterize stuff from Illustrator or vectors from PS.What’s the source of the image?
bogiesan
This is my standard sigfile so do not take it personally: “For crying out loud, read the freakin’ manual.”
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Dave Martin
December 22, 2006 at 2:01 amI’ve tried .psd , .pct and .tga They have not been scaled past 100% but the psd was originally 1200 x 600. I eventually fit the image to 720 x 486…
Thanks….
Tim Martin
-MacBook Pro – 2.16GHz Intel Core Duo – 2 gig Ram
-FCP Studio 5.1.1 – QT 7.1 – OSX 10.4.6 – Lacie D2 dv external drive – G-raid dv drive
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Dave Martin
December 22, 2006 at 2:02 am8 bit uncompressed
Tim Martin
-MacBook Pro – 2.16GHz Intel Core Duo – 2 gig Ram
-FCP Studio 5.1.1 – QT 7.1 – OSX 10.4.6 – Lacie D2 dv external drive – G-raid dv drive
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Dave Martin
December 22, 2006 at 2:07 amThanks for the reply Dave
Sounds like you’re making a good honest assessment. I understand if FCP and Motion can’t perform like AE (as far as quality goes but it is much faster)..it’s just that so many people have said “Hey FCP and Motion can do everything AE does”…I had to try it to see.
Apparently AE won’t be going away any time soon…thanks again!
Tim Martin
-MacBook Pro – 2.16GHz Intel Core Duo – 2 gig Ram
-FCP Studio 5.1.1 – QT 7.1 – OSX 10.4.6 – Lacie D2 dv external drive – G-raid dv drive
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Jeremy Garchow
December 22, 2006 at 2:17 amYou’ve set the timeline to best rendering I take it? (Different from full or high quality rt).
have your timeline open, hit command-0 to bring up the sequence settings, hit the video processing tab and change the motion filtering quality from normal to best.
If you are only scaling a graphic it shouldn’t be this bad, scaling video SD video maybe, but not a graphic that is bigger than than the sequence to start with.
Jeremy
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Jeremy Garchow
December 22, 2006 at 2:30 amAlso, you said the graphic has an alpha, correct? What type of alpha is selected? Try cycling through different options and see if that gives you a better image.
Jeremy
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