kicad-developers team mailing list archive

[Tomasz Wlostowski <tomasz.wlostowski@xxxxxxx>]

On 10.10.2016 14:16, Strontium wrote:
> On 10/10/16 19:43, Tomasz Wlostowski wrote:
>> On 10.10.2016 07:25, Strontium wrote:
>>> On 09/10/16 23:11, Wayne Stambaugh wrote:
>>>> On 10/8/2016 1:20 PM, Nox wrote:
>>>>
>>>> There is nothing here that has not been discussed before.  The reason
>>>> that freely assigning nets to vias has not been implemented is that
>>>> every implementation is a compromise.  If we allow random net naming of
>>>> vias, all manner of bad things can happen that are completely out of
>>>> the
>>>> control of kicad.  Instead of your wtf moment being some tracks and
>>>> vias
>>>> with no associated net being ripped up when you import a new netlist,
>>>> your wtf moment is a stack useless pcbs that you just spend money
>>>> on.  I
>>> Wayne, respectfully this is where I believe you have missed the point.
>>> If a designer assigns a net to a via, then THEY are responsible for the
>>> WTF moment.  IF Kicad rips up the nets the designer assigned to vias
>>> then KICAD is responsible for the WTF moment.  In one case the designer
>>> screwed up and in the other Kicad screwed the designer over.
>>>
>>> Its as simple as that.
>>>
>>> My original patch, posted many moons ago, fixed this problem neatly.  It
>>> did not allow a user to assign arbitrary nets, but if you plonked a via
>>> on a GND fill, it had a GND net, and that via would ALWAYS have a GND
>>> net until you did something explicitly to change it.
>> Don't shout man.... What if your board has more than two layers. For
>> instance, there's a full VCC plane on one internal layer and another
>> full GND plane on another internal layer? Which plane the via you place
>> would belong to if vias were to take their nets from copper fills?
>>
>> Cheers,
>> Tom
>>
> Hi Tom,
> 
> Its very simple, you place the via on the layer you want to stitch.
> Just like when you want to lay a track.

Aah, so the the net would be assigned right after the placement. I
perhaps misunderstood you. Looks OK for me.

Tom