User Manual

Unlike the Split option for vertical alignment, which splits the alignment effect 50-50 between
both eyes, the Both option will apply 100-100 eye separation to both eyes. If you are changing
eye separation, it can be a good idea to enable per-pixel vertical alignment, or the results of
interpolating from both frames can double up.
Left/Right Eye Options
The left and right eye options contain depth ordering and warp direction controls
independently for the left and right eye.
Depth Ordering
The Depth Ordering is used to determine which parts of the image should be rendered on top.
When warping images, there is often overlap. When the image overlaps itself, there are two
options for which values should be drawn on top.
 Largest Disparity On Top: The larger disparity values will be drawn on top in the
overlapping image sections.
 Smallest Disparity On Top: The smaller disparity values will be drawn on top in the
overlapping image sections.
Clamp Edges
Under certain circumstances, this option can remove the transparent gaps that may appear on
the edges of interpolated frames. Clamp Edges will cause a stretching artifact near the edges of
the frame that is especially visible with objects moving through it or when the camera is moving.
Because of these artifacts, it is a good idea to use Clamp Edges only to correct small gaps
around the edges of an interpolated frame.
Edge Softness
Helps to reduce the stretchy artifacts that might be introduced by Clamp Edges.
If you have more than one of the Source Frame and Warp Direction checkboxes turned on, this
can lead to doubling up of the stretching effect near the edges. In this case, you’ll want to keep
the softness rather small at around 0.01. If you have only one checkbox enabled, you can use a
larger softness at around 0.03.
Source Frame and Warp Direction
The output of this node is generated by combining up to four different warps. You can choose
to use either the color values from the left or right frame in combination with the Forward
(left > right) Disparity or the Backward (right > left) Disparity. Sometimes you will want to replace
an existing eye. For example, if you want to regenerate the right eye, you would use only left
eye warps.
It’s good to experiment with various options to see which gives the best effect. Using both the
left and right eyes can help fill in gaps on the left/right side of images. Using both the Forward/
Backward Disparity can give a doubling-up effect in places where the disparities disagree with
each other.
 Left Forward: Takes the Left frame and uses the Forward Disparity to
interpolate the new frame.
 Right Forward: Takes the Right frame and uses the Forward Disparity to
interpolate the new frame.
 Left Backward: Takes the Left frame and uses the Back Disparity to
interpolate the new frame.
 Right Backward: Takes the Right frame and uses the Back Disparity to
interpolate the new frame.
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