You can set truncate like this from command-line:

freeview -f surface_filename:overlay=overlay_filename:overlay_color=truncate

Best,
Ruopeng

> On Jun 3, 2017, at 1:03 AM, Rita Elena Loiotile <rloiotile@gmail.com> wrote:
>
> Hi,
>
> Is there an easy command to only load positive values of an overlay in Freeview.  I know in tksurfer it's truncphaseflag. Freeview does have the "truncate" option in the surface pane of the GUI.  But, I don't see a command line flag.  I'm hoping there's a way that's not in the help documentation.
>
> Thanks!
> Rita

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