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Viewport Preferences 823
rotoscoped (page 3–1003) background, even if your
animation plays at 1 frame per second. When
turned on, an IFL file (page 3–616), AV I f i l e ( p a g e
3–609),orMOV file (page 3–621) updates on each
frame when you click the Play button. Turn off
the real-time (page 3–1001) switch in the Time
Configuration dialog (page 3–725) to use this
feature.
In3dsMax,theviewportupdatesnotonlywhen
you click Play , but also when you drag the time
slider.
Filter Envir onment B a ckgr ounds—Affects the
background displa yed in the viewport only
when the Viewport Background dialog > Use
Environment Background switch is on.
WhenyouturnonFilterEnvironment
Backgrounds, the environment background is
filtered in the viewp ort, resulting in an antialiased
image. When you turn it off, the background
image is not filtered, resulting in an aliased,
pixelated image.
Note the following:
• Filtering slows down the recalculation of the
viewport background image about 30 to 40
percent. Unless you really need that smooth
display, it’s best to leave the opt ion off.
•Thisoptiondoesn’taffecttherendered
background image, and doesn’t effect the
viewport backgrounds when you turn on Use
Environment Background.
Low R es Env iro nment B a ck ground—Reduces the
size of the environment background map by half,
and then magnifies it to the size needed for the
viewport. This results in a chunkier, pixelated
appearance, but speeds the rendering in the
viewport by four times (because it halves the width
and the heig ht of the ori ginal image).
Tip: Unless you need fine detail in your
environment background, it’s best to leave this
item turned on.
Display World Ax is—Displa ys a world axis in the
lower-left corner of all viewports when turned on.
Default=on.
Grid Nudge Dista nce—Sets the nudge distance for
the Nudge Grid Down and Nudge Grid Up keys,
which you can use to move selected objects into
position.
Non Scaling Object S ize—Sets the display size of
cameras, lights, and other nonscaling objects.
Default=1.
Display Drivers group
Curr ently I nstalled Driver —Displays the name of
the currently installed dr iver.
Cho ose D ri ver—Displays the Display Dr iver Setup
dialog (page 3–838). Use this dialog to select a
different software display driver, or to switch
drivers if you installed a hardware accelerator card.
Configure Driver—Displays the Configure Driver
dialog (page 3–840), where you can change the
driver options for your currently selected driver.
Ghosting group
Ghosting Frames—Specifies the number of ghost
images that appear b efore and after the cur rent
frame when you choose Show Ghosting from the
Views menu. If you display ghosts both before and
after the current frame, t he total number of ghosts
is twice this number.
Display Nth Frame—Specifies the number of frames
between the appearance of each ghost. The smaller
this number, the closer the ghost images appear
to each other.
Ghost B efor e Current Fr ame—Displays only ghost
images that o ccur b efore t he cur rent frame. This
makes the ghosts trail the object.
Ghost A ft er Cur rent Fr ame—Displays only ghost
images that occur after the current frame.