kicad-developers team mailing list archive

[jp charras <jp.charras@xxxxxxxxxx>]

Le 23/06/2019 à 13:52, Jeff Young a écrit :
> I’ve pushed new bits which fix this corner case, and some performance
> enhancements to make up for the extra processing required.

Much better now!

> 
>> On 23 Jun 2019, at 10:01, jp charras <jp.charras@xxxxxxxxxx
>> <mailto:jp.charras@xxxxxxxxxx>> wrote:
>>
>> Le 22/06/2019 à 20:23, Jeff Young a écrit :
>>> Hi JP,
>>>
>>> Can you point me to some of the clearance violation issues?
>>>
>>> I’m aware of the one where a track that goes within the thermal
>>> clearance radius can produce a DRC error, but I’d consider that what
>>> DRC is for.  But it sounds like there are others?
>>>
>>> Thanks,
>>> Jeff.
>>>
>>
>> Hi Jeff,
>>
>> I attached a board that exhibit a DRC error between a pad and a thermal
>> stub.
>> See U2, pads 6 and 7.
>> The clearance is roughly 0.22 mm, but the GND min clearance is 0.28mm
>> and the zone clearance is 0.5mm
>>
>>>
>>>> On 22 Jun 2019, at 18:58, jp charras <jp.charras@xxxxxxxxxx
>>>> <mailto:jp.charras@xxxxxxxxxx>> wrote:
>>>>
>>>> Le 22/06/2019 à 18:37, Jeff Young a écrit :
>>>>> New, higher-performance bits in, with some (perhaps all) of the
>>>>> bugs fixed.
>>>>>
>>>>> Testing would be appreciated.
>>>>>
>>>>> Cheers,
>>>>> Jeff.
>>>>>
>>>>
>>>> Hi Jeff,
>>>>
>>>> Usually, when 2 bugs are fixed, one new bug is created.
>>>>
>>>> Thermal stubs are missing for pads having a different size in X and Y
>>>> direction.
>>>> They are missing for the biggest direction.
>>>>
>>>> Apart from that:
>>>> * The calculation time is bigger than the current algo, but no longer
>>>> blocking (for instance 2 sec instead of less than 1 sec in a bad case).
>>>> * Much more annoying, the thermal stubs can create DRC issues:
>>>> They do not always respect the zone clearance, and in some cases do not
>>>> respect the netclass clearance.
>>>>
>>>> They also create some shape artifacts.
>>>> They are of course not the same as the current algo, but they exist.
>>>>
>>>> -- 
>>>> Jean-Pierre CHARRAS
>>
>> -- 
>> Jean-Pierre CHARRAS
>> <pic_programmer_test_zone.kicad_pcb>
> 


-- 
Jean-Pierre CHARRAS