On 29.06.2017 18:36, Heikki Pulkkinen wrote: > Hi > > Just start implementing my tools to new connectivity algorithm, and > noticed that via stitchin chain needs to as many copper pour fills as > there are chain links. Videos show what I mean. >
Hi Heikki, Can you send us the board that you have on this video? It would let me debug the problem much faster... Tom > regards > > Heikki > > new: https://youtu.be/ZV4AMstIdQY > old: https://youtu.be/QGr2p6M6Su0 > > On Tue, Apr 25, 2017 at 6:23 PM, Tomasz Wlostowski > <tomasz.wlostow...@cern.ch <mailto:tomasz.wlostow...@cern.ch>> wrote: > > > Hi all, > > I've pushed the branch [1] containing a rewrite of the pcbnew's > connectivity algorithm. By this algorithm, I mean: > - computing the ratsnest and checking if all connections are complete > - propagating net codes from the pads to the tracks/vias > - removing unconnected copper islands in zones > > Compared to the old algorithm, it introduces several new > features/improvements: > - no limitations in via/zone connections - you can have loose (stitching > vias), overlapping copper zones or zones connecting pads/vias without > direct track connections. > - items no longer loose their nets when not connected to any pad. > connecting to a new pad causes automatic net code propagation. > - the algorithm makes zero assumptions about connectivity of the items, > vias in particular. This removes another obstacle importing designs from > other tools (neither Eagle nor Altium make difference between stitching > and 'ordinary' vias). > - ratsnest can be calculated between any sort of copper items (not only > pads). This is a must-have if we want to have copper arcs or arbitrary > copper shapes in the future. > - show local ratsnest works for the GAL > - marking missing connections between overlapping objects on different > layers > - free via placement tool > > The branch also contains a bit of refactoring of the base pcbnew code: > - hidden DLISTS behind iterators. Now you can use ordinary C++11 range > based for to iterate over board's primitives. This is the first step > towards cleanin up the storage model. > > As with all new stuff, there are some still some issues to sort out: > - the legacy autorouter is currently disabled, as it relies a lot on the > old connectivity algorithm's data model. We're working to migrate it to > the new one alongside porting it to the GAL canvas. > - there's no automated via stitching tool yet. I'm waiting to review > Heikki's patches for the automagic via stitcher. > - the message panel does no longer show the 'links' and 'nodes' counters > as the new ratsnest has no direct counterpart for these. Is there any > purpose for these counters other than diagnostics/debug? > - some code formatting/cleanup may still be necessary > > @Heikki - once again, the sooner you'll publish your entire via > stitching code, the higher the chance you'll get it integrated in Kicad. > We can help with that. > > I encourage you to check out the branch, build it and test with your > designs. In particular, if you tried zone stitching with single-pad > components, try replacing them with vias and check if the board > connectivity is correctly resolved and there are no DRC errors. > > I'll send some boards demonstrating the new features soon. > > Your feedback will be greatly appreciated! > > Cheers, > Tom > > [1] > https://github.com/twlostow/kicad-dev/tree/tom-connectivity-apr24 > <https://github.com/twlostow/kicad-dev/tree/tom-connectivity-apr24> > > PS. The final branch will also support per-net rat line visibility and > colors as a bonus ;-) > > _______________________________________________ > Mailing list: https://launchpad.net/~kicad-developers > <https://launchpad.net/~kicad-developers> > Post to : kicad-developers@lists.launchpad.net > <mailto:kicad-developers@lists.launchpad.net> > Unsubscribe : https://launchpad.net/~kicad-developers > <https://launchpad.net/~kicad-developers> > More help : https://help.launchpad.net/ListHelp > <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