kicad-developers team mailing list archive

[jp charras <jp.charras@xxxxxxxxxx>]

Le 13/05/2014 19:47, Wayne Stambaugh a écrit :
> On 5/13/2014 1:23 PM, Lorenzo Marcantonio wrote:
>> On Tue, May 13, 2014 at 01:14:07PM -0400, Kelton Stefan wrote:
>>
>>> I'm experiencing this strange issue where the gerbers I generate produce
>>> warnings when I try to import them into GC-Prevue. The warning says that
>>> there are self-crossing polygons. It is my understanding that Clipper is
>>> supposed to convert any self crossing polygons into several simple polygons.
>>> What can be done to ensure that it is doing its job thoroughly. Has anyone
>>> else experienced this issue?
>>
>> Never happened to me... however it's correct that gerbers can't have
>> self intersecting polygons... have you tried at least the 'butterfly'
>> for a summary test?
>>
>> Otherwise the incriminated board could be useful to pinpoint the issue
>>
> 
> I've had this problem several times as well when I view gerbers with
> Pentalogix ViewMake.  My board vendor seems to be able to deal with it
> just fine so I haven't flagged the issue.  I also think this issue is
> related to the odd DXF exports that I am experiencing.  I'm not terribly
> familiar with the zone polygon clipping code so I don't know how much
> help I will be in resolving the issue.  I would be more than happy to
> send someone an offending board to debug the problem.
> 

Please, send me this kind of board.

Zone polygons are expected be not self-intersecting in Pcbnew.


-- 
Jean-Pierre CHARRAS