On Fri, Jun 19, 2015 at 11:38 AM, ben Gee <grben...@gmail.com> wrote:

> If you set the number of channels in the Freq sink block > 10 (in my case
> 11), grc will throw an error.
> "if len(labels[i]) == 0:
> IndexError: list index out of range"
>
> Upon further investigation, the source code it generates only has 10
> arguments in the alphas, colors, widths and labels fields. If I manually
> edit the source and add an 11th argument to the alphas, colors, widths and
> labels fields, then run the code from a terminal, it runs no problem. Seems
> like a GRC only error.
>
> Just wanted to report.
>
> thanks,
> -b
>

Yep, that's a known limitation. You can see in the GRC file that there's no
good way to arbitrarily extend a list in the XML, so we made a decision to
limit it to this many entries.

Tom
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