both is a python object that is visible to C++ that is stuffed at each distance
test point
in the DRC? At least one of the two members would need to be updated on each
compare.
Hi Dick,
I'm not sure, it might be the case if a single matching expression
refers to both items. A crude solution would be to input two expressions
(one for each object), and calculate their values prior to running the
actual DRC. A****m works this way and its DRC is maybe not the fastest
in the world (~20 secs for a moderately complex 12-layer board), but
certainly quite flexible.
It will definitely be a bottleneck. Maybe we should measure how bad soon,
otherwise this
is a suggestion which serves as a roadblock to progress, and the roadblock
itself it not
currently a solution.
P&S is currently the top priority for me, I can't spend time evaluating
DRC speed. Another bottleneck in the DRC is the lack of spatial indexing
and numerically unstable clearance calculations. There's a lot of stuff
to be improved there.
The idea is innovative, and if it is not like watching snails race, it may have
some merit.
Thanks.
Tom
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