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Hi all,
I was wondering if someone could share some of their thoughts on a series of shots that will need to be effected? Two things that will need to happen, one is the normal sky will have to be replaced with dark menacing cloud (normal behaviour, just dark to the degree that a thunderstorm could hit at any second) and the overall lighting of the world would need to match the fact that the dark clouds are blocking direct sunlight. The action: people running in a large open field. Live action footage will be shot on 35mm, there will be a lot of camera movement (dolly) following the runners. A fair amount will be shot from a low angle (hip-high) looking up toward the runners with daylight sky in the background. What is the best way of shooting/preparing for this kind of effect? Any tips what-so-ever would be much appreciated. Thanks so much for your time! – fxenvyWe’re trying to do this too for our short film, I think we’re just as stumped as you are. Our horizon lines are mainly of moving trees and buildings; not the sorts of things you want to mask out EVERY DAMN FRANE.
good way would be to shoot on a sunny day with no clouds and then just key out the sky. of course you would have to do some amount of roto. but the master keyer or lum keyer works well here. also when you process the film, do one telecine without blue(for the sky), this helps get a good matte(this can be used only for the matte of course)
Good idea and all, but our sky will look like this:
http://members.iinet.net.au/~kris.mar/Previs%201.jpg
A quick visualization I’ve made of a certain scene. The hard part is getting the sky like this every frame.A clear sky will give sunny lighting, and in a scene like this, that wouldn’t match. Unless there’s a method for changing lighting on a surface digitally?
if you want change a lighting in this scene you can
add in you action two layer of this image.
don’t change a first layer
in a second layer you can create a luminance mask
click f3 for adjust a matte
or you can corecct a luminance/lighting in color warper.sorry for my ugly english
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