Yes, of course arcs are more important. But Cirilo mentioned that one could use arcs to appromimate the beiziers for DRC and gerber generation purposes
2016-09-14 13:44 GMT+02:00 José Ignacio <jose.cyb...@gmail.com>: > I don't see length matching splines to be any easier than length > matching polylines. If anything having arcs is a lot more important > than beziers as arcs can form circles while beziers can't exactly (you > need NURBS for that). Also iirc Gerbers support arcs natively so it > would end up generating better output. > > On Wed, Sep 14, 2016 at 6:16 AM, Simon Wells <swel...@gmail.com> wrote: >> i have no idea whether it is actually valid but could/would bezier >> curves be used in differential pairs that are also length matched? so >> that it would keep the seperation for the differential but would also >> allow the lengths to be equal? >> >> On Wed, Sep 14, 2016 at 10:51 PM, jp charras <jp.char...@wanadoo.fr> wrote: >>>> On Wed, Sep 14, 2016 at 7:44 PM, Nick Østergaard <oe.n...@gmail.com >>>> <mailto:oe.n...@gmail.com>> wrote: >>>> >>>> For some RF applications people would like to use curves for traces. >>>> So DRC support for >>>> beizier/arcs would be nice here. >>> >>> I perfectly understand the interest of arcs in traces. >>> >>> But what the interest of Bezier curves in traces or shapes on copper layers >>> ? >>> >>> I am not a microwave specialist, however I never saw cases where Bezier >>> curves are needed. >>> >>> The more complex case I know is a filter, which works fine with polygons >>> (seen demos/microwave). >>> >>> AFAIK, complex shapes are generated by specialized tools (you cannot easily >>> draw them by hand). >>> Are they generating shapes with Bezier curves. >>> >>> Moreover, remember Gerber format does not support Bezier curves, so they >>> will be converted to >>> polygons if they are supported by Pcbnew. >>> >>> -- >>> Jean-Pierre CHARRAS >>> >>> _______________________________________________ >>> 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 > > _______________________________________________ > 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
