kicad-developers team mailing list archive

[Chris Pavlina <pavlina.chris@xxxxxxxxx>]

I think it's just a UI/usability thing. Drawing a new section of zone 
intersecting the first is a significantly easier way to add area to a 
zone than the alternative (which as far as I'm aware is just to "Create 
Corner" a bunch of times and drag the corners).

TBH I've never personally needed overlapping zones of the same net, 
layer, and priority myself, though - I'm sure if I ever encountered such 
a need, I'd find it very annoying. ;)

Perhaps a mode to select the behavior would be useful. Most graphics 
applications have this for things like selections - drawing a selection 
can usually replace, add to, or subtract from the existing selection. 
Something like that for zones could be very useful, IMO, and it's a 
familiar UI element to anyone who's done graphics editing.

-- 
Chris

On Tue, Jan 12, 2016 at 05:28:44PM +0100, Tomasz Wlostowski wrote:
> Hi,
> 
> When one draws a copper zone over another zone (with the same net, and
> the same layer), the two zones are automagically merged in the default
> canvas. This is sometimes not desired - at least by me (example:
> repeated layout blocks with overlapping zones). Is there a non-obvious
> reason why Kicad works this way (related to insulated copper island
> removal/connectivity/DRC algorithms)?
> 
> Cheers,
> Tom
> 
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