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10 May
2020
10 May
'20
12:17 p.m.
On 10 May 2020, at 00:01, Bruce Horrocks
wrote: You can save extracting the xparts and yparts by using direct subtraction of pairs and comparing with (0,0) like this:
Aaaargh, no, ignore that, it's nonsense. It's amazing how you can stare at something for minutes but only see the flaw the moment you press send. Sorry for the noise.
Instead, I would like to thank you for thinking about it and trying to help. Wrestling with it (and making mistakes) is part of all that (I’ve probably made more than most). G