Darby Edelen
Forum Replies Created
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If the image was shot on a black background this should be fairly easy to do.
The way I would approach it would be by duplicating one of the channels and using levels to create an alpha channel. Click the channels tab in the layer palette, then drag one of the channels down to duplicate it and create an alpha channel. Apply a Levels adjustment and bring the lighter areas of the alpha channel way up until they’re white (lower the white input) then raise the black input to make sure that the black background is indeed black. Cmd-click (or ctrl-click on Windows) this alpha channel to create a selection, then go back to your photo and go to Layer > Layer Mask > Reveal Selection. This might need a bit of tweaking depending on the results you get, you may need to do a separate pass for hair for example.
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[juanfordroad] ”
Is there any way to fix PS 7.01 so I can hide it with a simple ctrl (apple) H? Can’t seem to find that upwards pointing arrow on my mac that works.”First: I don’t know what you mean by upwards pointing arrow. You mean like the arrow keys?
Second: Apple-H is the command to hide an open program (the Ctrl key isn’t the Apple key btw). You can also opt-click out of a program to hide it or use Option-Apple-H to hide all other programs (leaving the one you’re in visible).
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Just so you know what else is available, if you hold down opt/alt while using a selection tool you can subtract from your selection area as well.
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[zygotesoup] “I have 2GB RAM… i assumed that would be enough.”
That’s plenty, AE can’t use more than 2GB of RAM in Windows or 3GB on Mac OS X anyway.
The issue is that the frames are being rendered into AE’s Image Cache which is held in RAM (instead of onto your hard drive as a final render) and this uses up RAM quickly, especially since AE doesn’t want to use all of the RAM available to it for the Image Cache (the default is 60%, you can change this but I wouldn’t) as it needs RAM for other operations.
AE only empties this Image Cache as is necessary to maintain enough available RAM. It can end up getting big and bloated, giving you less space for RAM previews. It’s not a bad idea to Edit > Purge > Image Cache every now and then, but keep in mind that the Image Cache is also there to enable you to work faster. For example, when you move the playhead in the timeline to a new location AE renders that frame and stores it in the Image Cache. If you go back to that frame again AE doesn’t need to render it, it just grabs it from the Image Cache.
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Nevermind, I found that it’s an issue with trying to use Mac Plug-Ins compiled for PPC on an Intel Mac =/
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Hey Aharon, nice to meet you there at NAB =)
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[zygotesoup] “I’m really not learning much since everything is set up for you already and all you do it play with the values. I still dont understand what a null object is or how you set up these expressions.”
That doesn’t sound like a tutorial so much as an example project file that would be downloaded after viewing a tutorial. If you’re not comfortable learning by playing around with things/figuring things out for yourself you should probably view the tutorials first.
If something is too advanced for you, figure out what you’re having trouble understanding and find a more basic tutorial that goes into that. Or ask more specific questions here.
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[henry_b] “i want to make a dvd that will be seen in DVD players ( TV ) and on Computers”
Computers are very extensible and forgiving, as long as you have the right program/codec you can view just about anything on a computer. Set top DVD Players are not: they want something very specific.
You should create your DVD to spec for set top DVD players and let the computer worry about how to interpret that (most do a fine job using software emulation).
I don’t know what Country/Region you’re producing for but I can tell you that in the US your renders out of AE should be NTSC DV/D1 or Widescreen (depending on whether you want 4:3 or 16:9) which is the standard format for TV (non-HD).
Depending on what program you’re using to make the DVD you may have to encode your footage yourself into an MPEG-2 for video and AC3 for audio. iDVD and DVD Studio Pro can work with standard QT files and do this encoding for you, but you don’t get as much control over it.
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[EmilSvensson] “will they goaway ?”
Well it sounds like at least one of them has already gone away! =O
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I answered this question for you already in another thread. AE doesn’t have anywhere to put the frames when you run out of RAM. To maximize the RAM preview you can change the RAM Preview settings (look at the other thread for details) or go to Edit > Purge > All to free up RAM that was being used for the Image Cache and Previews (this will delete any RAM previews you had rendered from your RAM).