The Out of Range tool uses pseudo colors
to display pixels above or below user specified threshold. It is
also capable of outputting a mask of the out-of-range pixels or
its inverse, so that corrective action can be taken by other tools
downstream. The Out of Range tool is in the Channel folder in the Tools
tab.
The Out of Range tool
has the following parameters:
- Channel Select
the source image channel to analyze.
- Minimum Set
the minimum value threshold of the source image channel.
- Maximum Set
the maximum value threshold of the source image channel.
- In Range RGB Select
the source image channel to display as the “In Range” color or deselect
to use arbitrary color.
- In Range Alpha Select
the source image alpha channel to display as the “In Range” alpha
or deselect to use arbitrary alpha value.
- Below Range Select
color to display pixels below the specified threshold.
- In Range Select
color to display pixels within the specified threshold.
- Above Range Select
color to display pixels above the specified threshold.
Examples
The following examples
show you how the Out of Range tool can be used.
- Viewing out of range
alpha in a player Set the display modifier as a range display
tool. An alpha below range will show up as opaque blue, an alpha above
range will show up as opaque red, and all others will have their
original alpha value.
- Generating a matte from
out of range alpha Using the range display tool, take
the matte from the output image. Out of range pixels will have alpha of
1.0, all others will have alpha of 0.0.
