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Topic:
greenscreen set-up plan
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Lukemax
Registered:
Aug '07
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Date Posted:
6/17 1:27pm
Subject:
greenscreen set-up plan
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Hi all i am planning up this greenscreen set-up for my room
http://img170.imageshack.us/img170/5817/setupjpeges7.jpg
Any thoughts or suggestions would be ace!
Thanks
Joergen
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backdeskproductions
Registered:
Aug '07
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Date Posted:
6/17 1:35pm
Subject:
RE: greenscreen set-up plan
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do you only have 4 lights to work with?
Basically you need to have even lighting on the floor (if you will be using the floor) as well as on the background green screen. That should be lit first. Then you should light the talent. Make sure they have even lighting in front and enough back lighting to define the talent's outline when keying out the green screen.
But if you have 4 lights to work with... have one light dead on on the talent and fill in the rest of the green evenly.
What is the project about?
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drewjmore
Registered:
Aug '07
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Date Posted:
6/17 1:42pm
Subject:
RE: greenscreen set-up plan
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How large is that room? If it is drawn roughly to scale, I'd guess 6m x 5m.
In a room that size you are going to experience a LOT of green-light spill onto the front of your actors.
So one suggesion that comes to mind is black cloth on the other 3 walls, and a flat/matte black ceiling.
I'd also suggest some climate control, as lights are the most efficient heaters you'll ever use.
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Cole-W
Registered:
Jun '08
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Date Posted:
6/17 1:57pm
Subject:
RE: greenscreen set-up plan
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I will second what the above poster mentioned about the lights getting hot, your gonna want some sort of fans or somthing.
Also, what are you planning on making the green screen out of?
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Lukemax
Registered:
Aug '07
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Date Posted:
6/17 2:28pm
Subject:
RE: greenscreen set-up plan
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Greenscreens made out of cloth put onto a frame, the project is a film project, if anyone could possibly edit my picture to how they feel it should be done would be ace, Also what lights should be high/low and so forth?
Lukemax
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Cole-W
Registered:
Jun '08
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Date Posted:
6/17 2:45pm
Subject:
RE: greenscreen set-up plan
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See if this link will help you out, it seems to cover most of the basics in green screen lighting.
http://www.videomaker.com/article/10914/
Also depending on what type of fabric your using it may absorb the light in a lot of different ways that you will have to account for in your lighting.
Oh and another thing is maker sure your fabric is really thick, so that nothing will bleed through from behind when lit, as that will be a pain when it comes to keying it.
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backdeskproductions
Registered:
Aug '07
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Date Posted:
6/17 5:38pm
Subject:
RE: greenscreen set-up plan
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Lukemax posted:
the project is a film project
Lukemax
This is true... is it an action film, news reel, commercial?
What genre?
All these have different lighting techniques.
How will the lights be positioned? (Are they on pedestals or are they hanging?)
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I now have surround sound capabilities!
I just need a project to exploit my newly discovered powers.
Tee hee
-Jon C. Maxwell
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Lukemax
Registered:
Aug '07
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Date Posted:
6/18 1:37am
Subject:
RE: greenscreen set-up plan
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Out of the 2, my greenscreen material can either be 1
1 Lighter Green, rather shiny and thin
2, slighty thicker and a darker shader of green, less shiny
Which is better to use?
Joergen
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bgii_2000
Registered:
Jan '05
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Date Posted:
6/18 3:27am
Subject:
RE: greenscreen set-up plan
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The less shiny the better. A word to look for when looking for "not shiny" materials is "matte".
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Cole-W
Registered:
Jun '08
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Date Posted:
6/18 8:52am
Subject:
RE: greenscreen set-up plan
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Also the thicker the better....you don't want bleed through.
Just make sure the darker green isn't too dark.
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WormieSaber
Registered:
Oct '00
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Date Posted:
6/19 1:45am
Subject:
RE: greenscreen set-up plan
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My greenscreen is a smooth cloth that you stretch out to the shape of a huge square.
I agree about the lighting, do it evenly. Light the front and the back light, shadow will show up if you don't eliminate it.
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madhorizons
Registered:
May '06
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Date Posted:
6/19 12:27pm
Subject:
RE: greenscreen set-up plan
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I would suggest moving light 2 onto the backdrop as well. With only 1 light for the backdrop, you won't get it evenly lit.
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TaunTaunHerder
Registered:
Oct '07
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Date Posted:
6/19 1:37pm
Subject:
RE: greenscreen set-up plan
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Light up the greenscreen with two 1000-watts lights, one on each side,
and put them further away from the greenscreen than your diagram shows
because you may end up with a hotspots if the lights are too close, and
have light to dark gradients from the center to the edges and corners.
Hook up your camera to a monitor to see how the greenscreen looks
on tv so you can know how to adjust the lights.
It really helps to be able to see the greenscreen on a large monitor
instead of only the small LCD pull-out screen on a camera.
Greenscreen can be tricky and even the pros have to resort to rotoscoping.
I saw the making of Revenge Of The Sith and it showed one of the employees
rotoscoping the legs of Hayden Christiansen on a graphics tablet.
You're just going to have to go through some trial and error.
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WormieSaber
Registered:
Oct '00
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Date Posted:
6/21 12:20am
Subject:
RE: greenscreen set-up plan
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If you do get some green spill, you can always use the spill suppressor in after effects; the choker. I have some green spill that I need to remove because my actor was too close to the green screen. Trial and error, yes.
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