Re: [igraph] Error in lazy_dots

[Chris Watson]

Sorry for not replying sooner. I found that changing "V(g)[n]$name" to "V(g)$name[n]" fixed this issue. I'm not sure why, as calling the function on its own did not cause any bugs with either convention, nor does typing either into the command line directly. I'm not sure how I could create a reproducible example as the function in question is called by a GUI and was somewhat hacked together.

Hopefully this gives some more insight though.

Chris

On Wed, Dec 31, 2014 at 6:55 PM, Chris Watson <address@hidden> wrote:

Sure, I probably won't get to it until Friday though.

Thanks,
Chris

On Wed, Dec 31, 2014 at 6:30 PM, Gábor Csárdi <address@hidden> wrote:

Hi, it is probably my mistake. Can you please report the issue at
github with reproducible code? Thanks. G.

On Wed, Dec 31, 2014 at 6:26 PM, Chris Watson <address@hidden> wrote:
> Hello,
> I have a plotting function (plot_neighborhood) that is called by another
> function; it previously worked but currently does not. When I call this
> function from the command line, it works though. Below is the error message
> and the end of the trace. (in the example below, 'n' is an integer referring
> to vertex ID; it is supposed to plot the vertex and its neighborhood).
>
> Error in lazy_dots(i = i, ..., .follow_symbols = TRUE) :
>   use of NULL environment is defunct
>
>>
>> traceback()
> 8: .Call(make_lazy_dots, environment(), .follow_symbols)
> 7: lazy_dots(i = i, ..., .follow_symbols = TRUE)
> 6: `[.igraph.vs`(V(g), n) at plot_neighborhood.R#15
> 5: V(g)[n] at plot_neighborhood.R#15
>
>
> I have another very similar plotting function (also called from this
> 'helper' function) which works without issue. Any ideas?
>
> Thanks,
> Chris
>

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