Re: Smooth credit roll — not yet!

September 2, 2013, 5:54 am

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Oh thanks, Rick. Sorry I thought PDF was in the Zip file. PDF is here. Im using quite thin type may have to fatten it up. FWIW I tried a bunch of speeds, (int values for s variable), 4 was recommended and it was a bit too slow and juddery. I tried adding a Reduce Interlace Flicker blur = 1.5 but it ate into the text too much (text too thin).

 

What's the seven second rule, again?

 

 

The pixel accuracy is perfect but the speed does not follow the rules so you are ending up with stroboscopic judder. Try 3 or 2 and the playback should be fine. Generally, follow the seven second rule.

What exactly are the rules I'm not following?  I thought it was whole number increments per frame and that's it. I seem to be missing something.

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Re: CS4 AE Won't Launch on a HP Z820

September 2, 2013, 6:09 am

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Hi saign,

 

I’m having exactly the same problem with AE C4. Also trying to run it on a dual Xeon machine. Just wondering if you found a solution..

 

Thanks

Re: Smooth credit roll — not yet!

September 2, 2013, 6:13 am

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Ever see stage coach wheels turn backwards in a western? Ever see helicopter blades behave oddly in a film? These stroboscopic effects depend on frame rate and motion. That's what is causing judder. Varying edge aliasing, especially in interlaced footage, cause edge flicker and are removed with whole number pixel movement per frame. The 4 pixels per frame suggestion is for interlaced footage because you need even numbers for interlaced footage. 4 does not work for 25fps footage, 3 does. If you don't want judder (strobing) at 25 fps then slow or fast is your only option. The range between 4 and about 8 is unusable.

 

The seven second rule is a cinematographers rule for doing camera movement when shooting at 24 fps (25) and it's in any good cinematography manual. There are speeds that just strobe. The strobing action is different on TV than it is on the big screen with a film projector. Basically, if an object of interest takes about 7 seconds to cross the screen the motion will appear to be smooth.

 

Read this from the FAQ on this forum.

Registering Cinema4D Lite

September 2, 2013, 6:16 am

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When going to Cinema4D site to register they ask for a serial# for C4D Lite. Where do I get it. I am a Creative Cloud member. All I have are the software # for the previous Creative Suite Products I have purchased in the past. So I guess for now I can't use the MoGraph fracture till I get this sorted out.

Re: CS4 AE Won't Launch on a HP Z820

September 2, 2013, 6:41 am

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I never found a solution to this problem and have since moved onto CS6.

 

Good Luck!

Re: How to 'randomize text constantly'?

September 2, 2013, 7:18 am

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Thanks, any suggestions for the expression?

Tracking markers for flight scenes

September 2, 2013, 7:49 am

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Hi,

 

Just a shot in the dark here - does anyone have some advice for tracking markers that we can use for tracking engines on our scaled models?

 

Since we are not using 3D apps, I have to track while shooting somehow. I did try somethings:

 

1) Created a square "dice" with a checker patter on it.

2) Attached to blue poles

3) Attached to ship

4) tracked

 

The problem with this, is the rate of movement of the tracer markers obviously doesnt match the actual engine - so the results were terrible.

 

Has anyone here had successfull experience with tracking markers for planes? any suggestions would be appreciated.

 

Here is a screenshot of the rig I first tested:

 

 

I am now going to try and find a way to attach the markers connecting horizontally to the engine, so they stay on the same plane.

 

Thank you

 

Pierre

Re: How to 'randomize text constantly'?

September 2, 2013, 8:10 am

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There are probably plenty of more elegant solutions, but if you're not comfortable with randomizing expressions, you could just hard code a bunch of "random:" values. If the
"buzz frame rate" is high enough, I doubt anyone would notice it repeating:

 

buzz_words = "ARBCGE|PWEFTP|OISTRE|MAPBFS|..........";

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How to 'randomize text constantly'?

September 2, 2013, 4:56 am

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Hey,

I need to know how to make a certian number of characters (6) randomize constantly as if the computer is 'hacking' a password!

 

THanks,

Harry Fish

Re: How to 'randomize text constantly'?

September 2, 2013, 8:17 am

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Thanks for the code, but I'm just getting errors reffering to 'Slider'?

Re: Registering Cinema4D Lite

September 2, 2013, 8:21 am

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If you are having trouble with the registration of Cinema 4D Lite, contact Maxon support:

http://www.maxon.net/support.html

Re: When I RAM Preview it shows 2 screens?

September 2, 2013, 8:32 am

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The problem is that the OpenGL feature to draw the results of the RAM preview to the screen requires features that that GPU doesn't provide.

 

See the system requirements for After Effects, and note that OpenGL 2.0 is required:

http://www.adobe.com/products/aftereffects/tech-specs.html

 

Your GPU only uses OpenGL 1.4:

http://www.intel.com/products/chipsets/gma950/

Re: system tells me quicktime not installed when trying to update to CC

September 2, 2013, 8:34 am

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The AME implementation of these formats is much, much better than the exporters for these formats in After Effects. If we had taken the time to incorporate the AME versions into After Effects, we would have had to pull resources from core After Effects features.

Re: How to 'randomize text constantly'?

September 2, 2013, 8:42 am

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Does this work?

 

buzz_words = "ARBCGE|PWEFTP|OISTRE|MAPBF";

split_buzz_words_array = buzz_words.split('|');

buzz_frame_rate = effect("Buzz Frame Rate")(1);

buzz_frame = Math.floor(time * buzz_frame_rate);

buzz_index = buzz_frame % split_buzz_words_array.length;

split_buzz_words_array[buzz_index];

Re: After effects EXTREMELY LAGGY

September 2, 2013, 8:46 am

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I'd do two things: First, I'd transcode the mp4 footage to quicktimes in ProRes 422 (if you have it), PNG or Animation.  Then I'd do the Twixtor work & render it out.  After that, you should be good to go. 

You're asking AE to do A LOT of  computing by working with a highly7-compressed codec like h.264, PLUS frame rate conversion.

 

It also wouldn't hurt to turn off multiprocessing temporarily if you're using it.

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Re: Mocha Corner Pin Data Changing Scale of Solid Layers (CS6)

September 2, 2013, 8:50 am

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I understand what you are trying to say, but i have been able to paste corner pin data on a masked layer before without any problems of rescaling. Also, in this video Andrew Kramer does it aswell with no problems.

Re: Smooth credit roll — not yet!

September 2, 2013, 7:04 am

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Thanks Rick. Yeah I read that already :-) Oh that seven second rule!

 

I understand the problem but I don't have any experience in crafting the solution.

 

I'm doing it in Motion now and results are significantly better at any gven speed but not 100% smooth yet. Slower seems to be better but not by much. I've read that there's a BorisFX plugin for AE and NLE apps that offers "butter smooth" credit rolls but haven't trialed it yet.

 

Back to first principles, I'm wondering if I can output at say 50fps in ProRes 4444 then resample footage down to 25fps with an application that will blend the frames.

 

I know a technique from back in the day video where animators outputting from a computer display to a 16mm film camera would expose each frame of film twice at one stop down. They would expose the film frame to a video frame, advance the video frame and then reexpose the film frame. Advance the film frame, expose again to same video frame then advance video. Repeat loop. Apparently it made for smoother motion.

 

Do you think the type is too thin? Would that help reduce strobing or not so much? What if I type the characters into the text editor of AE or Motion is it going to make the slightest bit of difference to the way that anti-aliasing / flicker blur is calculated?

Re: Tracking markers for flight scenes

September 2, 2013, 9:20 am

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How about trying AE's 3D tracker?  You may not even need dice & poles.

Re: Effects won't work on Text in After Effects

September 2, 2013, 10:36 am

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Thank you for the insight. One more question. Can I use Extrusion Depth and easily use the text effects on the same Composition?

Re: Can’t import any .psd files into after effects.

September 3, 2013, 12:31 am

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Unless I missed it somewhere we don't know anything about your system. It sounds like you don't have enough memory or that your preferences are not set up correctly.