The computer will take the full image
and squeeze it to fit the television-size frame your
nonlinear editor or animation recorder uses. This
happens because widescreen is the incorrect resolution
for the standard video recorder. Resolution
also determines the pixel aspect ratio, and D1
(NTSC Widescreen) applies the incorrect setting
for converting widescreen to video.
Setting Limited Region
Every now and then, there might be a situation in
which the resolution settings are not the exact size
you need for rendering.You sometimes might need
to render just an area of an animation, saving valuable
rendering time. For example, if you have an
animation that has many objects, textures, reflections,
and more, test-rendering the full image might
take up too much of your time??”especially if you
want to see how one small area of the scene looks
in the final render.Using the Limited Region setting
helps you accomplish this. Activate it by choosing
Render Globals in the Render tab and selecting the
option, as shown in Figure 5.10.
Figure 5.9 You can interactively
control the pixel aspect ratio by
clicking and dragging the small
slider buttons.
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