On Fri, Dec 8, 2017 at 8:47 AM, Terry Brown <terrynbr...@gmail.com> wrote:
> On Fri, 8 Dec 2017 04:37:01 -0800 (PST)
> "Edward K. Ream" <edream...@gmail.com> wrote:
>
> > 3. The nodetags.py plugins caches vnodes. This is fine as long the
> > plugin (in effect) recreates the cache when the outline changes.
>
> Short version: in what way must the plugin "recreate" vnode data when
> the outline changes, assuming it's using c.vnode2position() when
> appropriate?
>
c.vnode2position should work. I think this answers your longer question.
However, it may be faster to do something like this (not tested)
# old_vnodes is the cached vnodes
new_vnodes = set()
for p in c.all_unique_positions():
if p.v in old_vnodes:
new_vnodes.add(p.v)
new_vnodes = list(new_vnodes)
Edward
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