In general, this is a bit of a mess. The way that I do it is to use
piecewise and set the min and mid to the same thing (this is what linear
opaque was supposed to do). This way, anything that is over threshold
has color, everything else is transparent. BTW, everything over the mid
will be opaque. Values between min and mid will be semi-transparent.
Some people like to much around with the min and mid to improve the look
of the image, but really you want anything over threshold to be opaque.
doug
Juranek, Jenifer wrote:
Hi,
Running FSv405 on RHEL5.
Is any descriptive information available for threshold options in the configure overlay display gui?
Specifically the bases for linear, linear opaque, and piecewise thresholds?
Visually, the three options appear dramatically different. Are there specific
datatypes each overlay option is designed to handle?
Many thanks for any information you can provide,
Jenifer
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