For some RF applications people would like to use curves for traces. So DRC support for beizier/arcs would be nice here.
Den 14/09/2016 08.14 skrev "jp charras" <[email protected]>: > Le 14/09/2016 à 01:19, Tomasz Wlostowski a écrit : > > On 14.09.2016 00:00, Cirilo Bernardo wrote: > >> I think it would be nice to support Bezier curves but aside from adding > >> support for editing those curves, I think we need a good enough 2D > >> geometry kernel so that we can improve zone outlines and perhaps > >> even allow tracks to be straight, arc, or Bezier curve. In general > though > >> I think good support for "PolyLine" would be of more general use; after > >> all any 2D Bezier curve can be easily approximated with a series of > >> circular arcs (which a Polyline can do). > > > > Cirilo, JP, > > > > I agree we need copper layer arc support. I'm reluctant to add Bezier > > curves unless they are approximated as polylines because of the > > complexity of necessary DRC functions. Writing an accurate arc-to-arc or > > arc-to-segment collision/distance check is already quite difficult. > > > > Besides, what would be the use of such curves for PCB design other than > > fancy graphics (silkscreen, etc)? > > > > Tom > > AFAIK, it was never intended to be used on copper layers, only for fancy > graphics. > It is not yet in use because the cost to use Bezier curves is high > (editor, locate functions ...) > and the benefit is low. > > > -- > Jean-Pierre CHARRAS > > _______________________________________________ > Mailing list: https://launchpad.net/~kicad-developers > Post to : [email protected] > Unsubscribe : https://launchpad.net/~kicad-developers > More help : https://help.launchpad.net/ListHelp >
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