kicad-developers team mailing list archive

[Nick Østergaard <oe.nick@xxxxxxxxx>]

Ok, I guess that is the safest option and if one requires a track there one
could just draw it manually.

lør. 22. jun. 2019 18.52 skrev Jeff Young <jeff@xxxxxxxxx>:

> Yes.
>
> On 22 Jun 2019, at 17:39, Nick Østergaard <oe.nick@xxxxxxxxx> wrote:
>
> Ah, ok, it os the chamfers. I didn't realise that.  What are you
> proposing, to remove the spoke if the zone does not touch?
>
> lør. 22. jun. 2019 18.36 skrev Jeff Young <jeff@xxxxxxxxx>:
>
>> There’s no piece of the zone in the middle; that’s just the chamfers on
>> the ends of the spokes.
>>
>> The zone doesn’t go between the two pads because their thermal relief
>> value doesn’t allow enough room.
>>
>> Cheers,
>> Jeff.
>>
>>
>> On 22 Jun 2019, at 17:04, Nick Østergaard <oe.nick@xxxxxxxxx> wrote:
>>
>> Mmm, I am not sure I under stamd that screenshot. Why are the zone not
>> touchimg the thermal track between the pads while it looks like there is a
>> part of zone area on the middle of the thermal track?
>>
>> lør. 22. jun. 2019 17.58 skrev Jeff Young <jeff@xxxxxxxxx>:
>>
>>> Our current algorithm will produce thermal connections between two pads
>>> (with no connections to the zone):
>>>
>>>
>>> I assume no one will lose any sleep over dropping those?
>>>
>>> Cheers,
>>> Jeff.
>>>
>>>
>>> On 21 Jun 2019, at 19:49, Jean-Paul Louis <louijp@xxxxxxxxx> wrote:
>>>
>>> Wayne,
>>>
>>> Except in very hugh frequency design (higher UHF spectrum, microwaves
>>> and millimeter waves)
>>> were chamfers can create more problems than they solve.
>>>
>>> This chamfer should be user optional, the best being individual part
>>> layout optional.
>>>
>>> Just my extra data point,
>>>
>>> Jean-Paul
>>> N1JPL
>>>
>>>
>>> On Jun 21, 2019, at 8:05 AM, Wayne Stambaugh <stambaughw@xxxxxxxxx>
>>> wrote:
>>>
>>> Jeff,
>>>
>>> Users are going to expect chamfering if there is an option for it.  I
>>> don't see how you are going to avoid adding chamfering to the spokes
>>> unless we decide to do away with chamfering as an option.  I don't think
>>> that's good idea because right angles on board geometry is generally
>>> frowned upon.
>>>
>>> Wayne
>>>
>>> On 6/20/19 4:24 PM, Jeff Young wrote:
>>>
>>> Turns out there’s a slightly unintended side effect.
>>>
>>> Before:
>>>
>>> Note the two truncated thermal spokes to the surface-mount pads at the
>>> lower right.
>>>
>>> After:
>>>
>>>
>>>
>>>
>>> The bug is fixed, but not that the junctions between the spokes and the
>>> zone body are no longer chamfered.
>>>
>>> I’d say the “after” is better in that respect too, but again it’s
>>> definitely different.
>>>
>>> Thoughts?
>>>
>>> Cheers,
>>> Jeff.
>>>
>>>
>>> On 20 Jun 2019, at 19:50, Reece Pollack <reece@xxxxxxx
>>> <mailto:reece@xxxxxxx <reece@xxxxxxx>>> wrote:
>>>
>>> Memory is the second thing to go as one ages.
>>>
>>> I can't remember what the first one is.
>>>
>>> ------------------------------------------------------------------------
>>> *From: *"Jeff Young" <jeff@xxxxxxxxx <mailto:jeff@xxxxxxxxx
>>> <jeff@xxxxxxxxx>>>
>>> *To: *"jp charras" <jp.charras@xxxxxxxxxx <mailto:jp.charras@xxxxxxxxxx
>>> <jp.charras@xxxxxxxxxx>>>
>>> *Cc: *"KiCad Developers" <kicad-developers@xxxxxxxxxxxxxxxxxxx
>>> <mailto:kicad-developers@xxxxxxxxxxxxxxxxxxx
>>> <kicad-developers@xxxxxxxxxxxxxxxxxxx>>>
>>> *Sent: *Thursday, June 20, 2019 2:46:58 PM
>>> *Subject: *Re: [Kicad-developers] 6.0 Zone filling differences
>>>
>>> Wow.  That’s sobering.  I wrote the board outline clearance changes….
>>>
>>> Age sucks.
>>>
>>>
>>>   On 20 Jun 2019, at 19:04, jp charras <jp.charras@xxxxxxxxxx
>>>   <mailto:jp.charras@xxxxxxxxxx <jp.charras@xxxxxxxxxx>>> wrote:
>>>
>>>   Le 20/06/2019 à 19:24, Jeff Young a écrit :
>>>
>>>       I believe we now have a warning, but I can’t remember what
>>>       change it was for.  I thought it was for the outline changes,
>>>       but from what I can find on the mailing list archive it looks
>>>       like we were satisfied that one wouldn’t change anything.
>>>
>>>       So remind me what the warning is for?
>>>
>>>
>>>   AFAIK, it is for board outline clearance change (taking in accounf or
>>>   not the edge cut graphic items thickness, if I correctly remember).
>>>   Zone outline changes (only activated if the kicad_advanced
>>>   "ForceThickZones=0" option enables it), do not need any warning.
>>>
>>>
>>>       The reason behind this request is that I have a new fill
>>>       algorithm which fixes a long-standing bug regarding one pad’s
>>>       thermal ring knocking out another pad’s thermal spoke.  It
>>>       also allows thermal spokes on custom pad shapes (and would
>>>       allow us to support custom number of spokes if we wished).
>>>
>>>       While this should only change zone fills which would have been
>>>       considered errors in the past, it nevertheless changes them.
>>>        What’s the prescription for that?
>>>
>>>       Cheers,
>>>       Jeff.
>>>
>>>
>>>
>>>
>>>   --
>>>   Jean-Pierre CHARRAS
>>>
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>> <PastedGraphic-1.png>
>>
>>
>>
>