Le 10/05/2016 à 18:28, Chris Pavlina a écrit : > Part one of many to clean up pcbnew preferences and unify legacy vs GAL > options. > > This patch removes the option in legacy to hide via drills. As Tom > indicated[1], the layout should as much as possible be WYSIWYG, and if a via > has a drill it should show it. Therefore we chose to remove this option from > legacy rather than add it to GAL. > > This raises a question that needs to be resolved in a different way. There is > a > possibility to create vias with undefined drill diameter, in which case they > will have whatever diameter the net class is set to. Legacy had an option to > indicate this will drill presence or absence: absence of a drill mark > indicated > that the diameter was default. > > I believe this is a very bad way to do it and needs to be fixed. First of all, > if we *do* permit this behavior it needs to be shown in a different way. > Hiding > the drill is a particularly poor approach, because the netclass drill diameter > changing can have destructive consequences for the layout, and it needs to be > obvious that this has happened. In my view it is very unobvious to someone not > familiar that this even exists, and hiding the drills subject to this behavior > makes it *worse*. If we're keeping the behavior, we need a better way to > indicate that drills are dynamically sized.
This is an opinion, which can be discussed. AFAIK, since a long time the default via hole diameter does not exist. You can change the netclass drill diameter without changing the via drill diameter of existing vias. Therefore I do not see the problem you want to fix. (The default via hole diameter can exist only in old boards) > > Honestly I think the behavior needs to go away entirely and be replaced with a > new way to make drills match the net class. Orson suggested to me that there > could be a way to manually trigger an update of drill sizes. In GAL this can > already be done on a selection. I'd like a way to update all drills of a > certain size, though - for instance a quick "change drills that had the old > netclass size to the new netclass size". Thoughts? > > PLEASE, I'd like some input from people who actually do layout professionally, > if any are presently stalking the mailing list. The question of whether or not > things should change dynamically tends to be very important to them and I'd > like to know what they think. > > [1] https://misc.c4757p.com/pad/p/pcbnew-prefs > > > > _______________________________________________ > Mailing list: https://launchpad.net/~kicad-developers > Post to : [email protected] > Unsubscribe : https://launchpad.net/~kicad-developers > More help : https://help.launchpad.net/ListHelp > -- 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
