American Cinematographer - November 2013 - 43

Top: Before shooting
the actors in the LED
Box, Framestore
provided multi-screen
frame-by-frame
animations of the
technical packages,
including calculations
for robotic camera
movement (left),
reference frames
from the prelight
(top right) and
camera framing
(below the prelight),
and a dashboard
with key motion
variables for the
camera and actor
turntable. Middle: To
prepare for a scene in
which Stone floats in
a space capsule, the
filmmakers did a test
by suspending a
stand-in from a
"puppeteering" rig,
with motion
programmed to
match the previs.
Lubezki used
traditional lighting
for this sequence,
with reflective panels
standing in for the
capsule interior.
Bottom: A similar
stand-in test was
done for a scene in
which Stone fights a
fire inside the
capsule. Lubezki
played the CG fire on
LED panels through
diffusion (offscreen
left) to light the actor
with a virtual fire.

was able to design the lighting for the
entire film," says Lubezki, recalling that
there were about a dozen people working on the lighting of different scenes.
Paul Beilby, a CG lighting supervisor, notes that the prelight with
Lubezki was designed for speed and was
much more involved than the process
had been on any previous Framestore
project. "We worked directly with
Chivo," he says. "We used rough interpretations of very primitive objects
because he is used to very quick feedback in terms of what the light's going
to look like."
Senior visual-effects producer
Charles Howell explains that Gravity's
lengthy shots required the filmmakers to
make many decisions early in the
process. "I think there were only about
200 cuts in the previs animation,
[whereas] an average film has about
2,000 cuts. Because these shots had to
be mapped out from day one, many of
the lengthy shots didn't really change in
the three years of shot production.
Because we did a virtual prelight of the
entire film with Chivo, the whole film
was essentially locked before we even
started shooting."
Lubezki
emphasizes
that
Gravity's blending of real faces with
virtual environments posed a tremendous challenge. "The biggest conundrum in trying to integrate live action
with animation has always been the
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November 2013

43


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American Cinematographer - November 2013

Table of Contents for the Digital Edition of American Cinematographer - November 2013

Contents
American Cinematographer - November 2013 - Cover1
American Cinematographer - November 2013 - Cover2
American Cinematographer - November 2013 - 1
American Cinematographer - November 2013 - 2
American Cinematographer - November 2013 - 3
American Cinematographer - November 2013 - 4
American Cinematographer - November 2013 - Contents
American Cinematographer - November 2013 - 6
American Cinematographer - November 2013 - 7
American Cinematographer - November 2013 - 8
American Cinematographer - November 2013 - 9
American Cinematographer - November 2013 - 10
American Cinematographer - November 2013 - 11
American Cinematographer - November 2013 - 12
American Cinematographer - November 2013 - 13
American Cinematographer - November 2013 - 14
American Cinematographer - November 2013 - 15
American Cinematographer - November 2013 - 16
American Cinematographer - November 2013 - 17
American Cinematographer - November 2013 - 18
American Cinematographer - November 2013 - 19
American Cinematographer - November 2013 - 20
American Cinematographer - November 2013 - 21
American Cinematographer - November 2013 - 22
American Cinematographer - November 2013 - 23
American Cinematographer - November 2013 - 24
American Cinematographer - November 2013 - 25
American Cinematographer - November 2013 - 26
American Cinematographer - November 2013 - 27
American Cinematographer - November 2013 - 28
American Cinematographer - November 2013 - 29
American Cinematographer - November 2013 - 30
American Cinematographer - November 2013 - 31
American Cinematographer - November 2013 - 32
American Cinematographer - November 2013 - 33
American Cinematographer - November 2013 - 34
American Cinematographer - November 2013 - 35
American Cinematographer - November 2013 - 36
American Cinematographer - November 2013 - 37
American Cinematographer - November 2013 - 38
American Cinematographer - November 2013 - 39
American Cinematographer - November 2013 - 40
American Cinematographer - November 2013 - 41
American Cinematographer - November 2013 - 42
American Cinematographer - November 2013 - 43
American Cinematographer - November 2013 - 44
American Cinematographer - November 2013 - 45
American Cinematographer - November 2013 - 46
American Cinematographer - November 2013 - 47
American Cinematographer - November 2013 - 48
American Cinematographer - November 2013 - 49
American Cinematographer - November 2013 - 50
American Cinematographer - November 2013 - 51
American Cinematographer - November 2013 - 52
American Cinematographer - November 2013 - 53
American Cinematographer - November 2013 - 54
American Cinematographer - November 2013 - 55
American Cinematographer - November 2013 - 56
American Cinematographer - November 2013 - 57
American Cinematographer - November 2013 - 58
American Cinematographer - November 2013 - 59
American Cinematographer - November 2013 - 60
American Cinematographer - November 2013 - 61
American Cinematographer - November 2013 - 62
American Cinematographer - November 2013 - 63
American Cinematographer - November 2013 - 64
American Cinematographer - November 2013 - 65
American Cinematographer - November 2013 - 66
American Cinematographer - November 2013 - 67
American Cinematographer - November 2013 - 68
American Cinematographer - November 2013 - 69
American Cinematographer - November 2013 - 70
American Cinematographer - November 2013 - 71
American Cinematographer - November 2013 - 72
American Cinematographer - November 2013 - 73
American Cinematographer - November 2013 - 74
American Cinematographer - November 2013 - 75
American Cinematographer - November 2013 - 76
American Cinematographer - November 2013 - 77
American Cinematographer - November 2013 - 78
American Cinematographer - November 2013 - 79
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American Cinematographer - November 2013 - 81
American Cinematographer - November 2013 - 82
American Cinematographer - November 2013 - 83
American Cinematographer - November 2013 - 84
American Cinematographer - November 2013 - 85
American Cinematographer - November 2013 - 86
American Cinematographer - November 2013 - 87
American Cinematographer - November 2013 - 88
American Cinematographer - November 2013 - 89
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American Cinematographer - November 2013 - 101
American Cinematographer - November 2013 - 102
American Cinematographer - November 2013 - 103
American Cinematographer - November 2013 - 104
American Cinematographer - November 2013 - 105
American Cinematographer - November 2013 - 106
American Cinematographer - November 2013 - 107
American Cinematographer - November 2013 - 108
American Cinematographer - November 2013 - 109
American Cinematographer - November 2013 - 110
American Cinematographer - November 2013 - 111
American Cinematographer - November 2013 - 112
American Cinematographer - November 2013 - Cover3
American Cinematographer - November 2013 - Cover4
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