Hi,

https://www.electric-sheep.eu/0WPPnXhN8uAVGNnNzGBaIISw6z7U84p7srSE411BTQ.mkv. It's 16MB and I'll leave it there for a couple of days. Regrettably gitlab refused my registration, so I cannot use proper channel to hand it over to you. I don't mind handing over the project files, too. Just tell me it'll help.

no audio there, so pls follow the mouse moves.

I didn't mean "exclude from multi=channel", quite the opposite. My intention was to suggest "here multi-channel starts" marker at schematic/sub-schematic level. This comes from the fact, that currently implemented generation of zones based on sub-schematic creates areas, which reflect "currently" (that is "random") placement of components - because it's done before placement replication action. So in my work I had to re-generate zones after every attempt to replicate their configuration. Having a single flag at schematic level fixes that.

-R

On 16.06.2025 19:22, 'Seth Hillbrand' via KiCad Developers wrote:
Hi Rafał,

If there is a case where sub sheets can't find their matches in the multichannel tool, this sounds like it might be a bug.  Can you post a minimal example to a bug report?

It is not quite clear to me what additional benefit comes from specialized markers for 'exclude from multi-channel'.  When creating the multi-channel design, you can already pick and choose which rules areas and/or subsheets are included.  However, if you could post a video of your process along with what you are trying to achieve to the bug tracker, this would be helpful in either fixing the tool or fixing the documentation

Seth

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On Sat, Jun 14, 2025 at 10:40 PM Rafał Pietrak <sol...@electric-sheep.eu <mailto:sol...@electric-sheep.eu>> wrote:

    Hi all,

    For some time now I'm using-and-testing the multichannel tool. During
    that time I've stumbled upon cases where zone mapping of identical
    copied of sub-schematics fail to find isomorphism complaining of
    "topological missmatch". But those sub-shcematics ARE identical.

    So I was wondering, it it would be prudent and along the design roadmap
    if the "rules zones" based on subschematics were indicated as sub-sheet
    marker/flag available just like "exclude from simulation" or "exclude
    from board" are. An additional flag would be something like: "pin
    rule-zone to schematic" (or "schematic also defines role zone") and
    replace the "generate rule zone" step of defining area to replicate.
    Currently this becomes possible, as an option to indicate one part
    withing sub-sheet, that will "govern the placement and orientation" of
    replicated zones.

    I still haven't worked out how exactly and where in the kicad code the
    "Generate zone" maps the identity of parts involved in the bug/failure
    resulting in topological mismatches I've experienced during
    replication.
    I'd appreciate a helping hand in understanding the code.

    Regards,

    -R

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