Maybe there could be "slow" and "fast" mode for spoke (or in general zone) calculation. Fast for routing, slow for last pass.
On Mon, Jul 8, 2019 at 10:58 AM Jeff Young <j...@rokeby.ie> wrote: > Keep in mind that the total width of all the spokes (assuming they’re all > the same length) doesn’t control the current they’ll carry, only how hot > they will get for a given current. Most boards are designed with a huge > margin of error here. > > It’s correct that would *could* do all the calculations automatically > (both for heat-transfer during soldering and heat-generation during use), > but it would be *glacially* slow. > > Cheers, > Jeff. > > On 8 Jul 2019, at 18:04, Eeli Kaikkonen <eeli.kaikko...@gmail.com> wrote: > > > > ma 8. heinäk. 2019 klo 19.04 Evan Shultz (evan.shu...@gmail.com) > kirjoitti: > >> Because of varying pad shapes, sometimes "+" spokes are best and other >> times "x" may be preferred. So having a choice of those options, even >> though both have the same number of thermal spokes, may be desirable. I >> believe this is captured in the "initial angle" concept, but IMO having the >> choice of "+", "x", "8 way", and "solid" is more obvious that picking an >> initial angle. But perhaps I misunderstood. >> > > What I have felt need for is automatically finding locations for spokes so > that when a pad isn't fully surrounded by a zone it would still be > connected with 4 (or as many as possible) spokes. Sometimes changing the > direction between x and + would be enough, sometimes adding spokes from x > to spokes of +. For example N(orth), NW, W, SW instead of just N and W. > Because adding spokes is automatic anyways, exact positioning isn't > important. There should be as much copper as possible (and preferably in > many directions) while still having the thermal effect. Even the > thicknesses of the individual spokes could be calculated automatically to > meet the requirements. What counts is the total width of all the spokes > together, or am I wrong? > > Eeli Kaikkonen > _______________________________________________ > Mailing list: https://launchpad.net/~kicad-developers > Post to : kicad-developers@lists.launchpad.net > Unsubscribe : https://launchpad.net/~kicad-developers > More help : https://help.launchpad.net/ListHelp > > > _______________________________________________ > Mailing list: https://launchpad.net/~kicad-developers > Post to : kicad-developers@lists.launchpad.net > Unsubscribe : https://launchpad.net/~kicad-developers > More help : https://help.launchpad.net/ListHelp >
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