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Carrara Academy for Light of Heaven
Posted: 02 August 2014 06:32 PM   [ Ignore ]   [ # 376 ]
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LightofHeaven - 02 August 2014 06:17 PM

Would Strobe work too?
http://www.digitalcarversguild.com/plugin.php?ProductId=12

I haven’t seen it used tro get a better idea of wht it can do.

I don’t know strobe. My question is, are you trying for random flashes of lightning or regular flashes of light? Strobe to me implies a regular and rapid off and on cycle. This is not the effect of lightning light. In nature, many times lightning will pulse a few times along the path to the ground. This is not particularly visible to the human except as a slight flicker which is usually not visible due to the glare for nearby bolts, but may be visible in more distant bolts.

If you’re trying to mimic a high speed camera that records at many hundreds or thousands of frames a second, then a strobe or oscillating tweener may be what the Dr. ordered. If you’re trying to mimic what the human eye or a normal video camera would capture, then the noise tweener would be better. If it’s only supposed to flash a couple times, then it may be just as easy to hand keyframe the off and on yourself or use the discreet tweener.

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Posted: 02 August 2014 06:54 PM   [ Ignore ]   [ # 377 ]
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I don’t happen to have a lightning test, but I did use bulb lights with noise tweeners in these videos to create a flickering firelight. The one with the torch also uses an animated light gel as an experiment. The tweeners were very easy to set up. At the beginning of the timeline I set the brightness to 100% for the light, and at the end of the timeline I set it at something like 40% or 50% brightness. Then I just changed the tweener to Noise and set the time scale and selected Cubic.

https://www.youtube.com/watch?v=5T3txufuzLc
https://www.youtube.com/watch?v=tVypgQorn6M

These two videos are examples of the repeating effect you would get with the Oscillate tweener. The first one is a helicopter with a red running light flashing on the back of the helicopter.
https://www.youtube.com/watch?v=WqkRvyKYDgo

The next one is an old RKO inspired production tag with flashing bolts signifying radio waves or something. In this case I used the oscillate tweener to toggle the bolts’ visibility on and off. Like the Noise tweener it is super easy to use. The beginning of the timeline I have the bolts visible. At the end, they’re invisible. The oscillating tweener turns them off and on for me based on how many cycle I set. The chopper’s light was set up the same way, except I animated the glow channel in the shader.
https://www.youtube.com/watch?v=K9qgGcraH8s

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Posted: 02 August 2014 07:29 PM   [ Ignore ]   [ # 378 ]
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Thanks. I’ll mess with the noise tweener then. Randm is what I want.

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Posted: 02 August 2014 07:55 PM   [ Ignore ]   [ # 379 ]
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LightofHeaven - 02 August 2014 07:29 PM

Thanks. I’ll mess with the noise tweener then. Randm is what I want.

I think you’ll be happier with it.

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Posted: 03 August 2014 07:49 PM   [ Ignore ]   [ # 380 ]
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Yeah, if I can figure out the lighting

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Posted: 03 August 2014 07:53 PM   [ Ignore ]   [ # 381 ]
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What is supposed to be lit? Clouds? A flash of light through a window?

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Posted: 03 August 2014 08:06 PM   [ Ignore ]   [ # 382 ]
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Right now, an indoor scene with a storm going on outside. So yeah, flashes through windows.

I wouldn’t mind learning for outdoors too.

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Posted: 03 August 2014 08:16 PM   [ Ignore ]   [ # 383 ]
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My suggestion would be a distant light pointing in through the window. You may also want a faint and hazy cloud outside so that there is an “atmosphere” for the light to reflect on, which would give a sense of depth.

Unfortunately, I’m in the middle of a long render, so I can’t really test any settings right now. Plus it’s close to my bedtime. It’s too late for beauty sleep, but I can at least keep my eyes from getting redder and more evil. wink

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Posted: 04 August 2014 09:11 PM   [ Ignore ]   [ # 384 ]
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Uuuuummmm…I think I’m doing something wrong.

I have the light on at the start and off at the end with the noise tweener set. Watching my test scene render, it doesn’t seem to be working. It stays oon and turgns off only t the end.

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Posted: 04 August 2014 09:32 PM   [ Ignore ]   [ # 385 ]
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Can you post a screen shot?

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Posted: 04 August 2014 10:02 PM   [ Ignore ]   [ # 386 ]
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Yes i can

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Posted: 05 August 2014 04:01 PM   [ Ignore ]   [ # 387 ]
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Hmmmm….

I just did an experiment with the noise tweener. I set up a distant light that was at 0% brightness at the beginning and 200% at the end. I used the noise tweener. I lowered the time scale and didn’t like the line, so I experimented with lowering the seed value. I went to 500, and tried that. It worked, but to get the on cycle short enough, I had to really lower the time scale, and I didn’t like the effect.

I have another idea, but it may have to wait a couple days.

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Posted: 05 August 2014 06:46 PM   [ Ignore ]   [ # 388 ]
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I look forward to it.

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Posted: 09 August 2014 03:59 PM   [ Ignore ]   [ # 389 ]
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Any leads, EP?

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Posted: 09 August 2014 05:01 PM   [ Ignore ]   [ # 390 ]
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Sorry. Been super busy analyzing a video that was part of an open records request (local cops allegedly roughed up an 82 year old physically and mentally handicapped man) and then today I had to replace my sister in-law’s toilet. I’m super tired…

Edited to correct horrible writing. wink

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