This is one of those ugly, "not officially supported" things:

set gaHistogramData(threshMode) linear-opaque
set gaLinedVars(fopaqueflag) 1
SendLinkedVarGroup overlay


On Tue, Jun 26, 2007 at 11:27:39AM -0400, Robert Levy wrote:
> Hello,
> 
> Does anyone know if it is possible to set the overlay threshold to 
> "linear opaque" mode in tksurfer using TCL commands?   I looked at the 
> documentation, and I didn't see a method explicitly for that purpose, 
> but maybe there is some way to specify that option.
> 
> Thanks,
> Rob


-- 
Kevin Teich
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