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With the 3D controls in Fusion, you also can simulate the light direction, atmospheric haze,
and realistic parallax camera movement, all elements that can make the difference between
a believable, sky replacement and a cheap, artificial fake.
Performance/Cosmetic Fixes
Correcting or improving an actor’s not-quite-perfect performance can avoid the need for
expensive reshoots. This common compositing task is rarely noticed by an audience and
can be simple to do, depending on the required fix. For instance, a detail often missed
during shooting (but painfully obvious in the screening room) is when an actor portraying
adead body involuntarily moves his eyes. Compositing closed eyes from one frame over
an entire shot is a skill that can save the shot and be repurposed for many similar fixes.
Removing scars, tattoos, or uneven tan lines all use similar techniques and can be performed
using Fusion’s planar tracker, paint tools, and rotoscoping.
Changing Locations
Production budgets always limit where and when you can shoot a scene, but simple
environmental enhancements can disguise those limits and change the feel of an entire
scene. Such effects can consist of replacing windows in a moving car because you couldn’t
close down Times Square to shoot your scene, or “moving” the ground-floor apartment
location you could afford to a penthouse view. These are not uncommon tasks for the
visual effects artist and can be very quick fixes for editors and colorists to perform.
Wire Removal
Visual effects are also used to add realism to already dangerous stunts. Getting performers
to fly across the screen either from explosive force or supernatural powers often requires
safety harnesses and wire rigs. You can hide those rigs and wires using Fusion’s simple
clone tools and tracking, a task that editors and colorists can take on in a pinch when the
visual effects artists are busy with larger composites. Plus, the wire removal skills you use
in Fusion techniques can also apply to removing lighting stands, telephone wires, and
unsightly antennas.
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