kicad-developers team mailing list archive

[Wayne Stambaugh <stambaughw@xxxxxxxxxxx>]

On 5/13/2014 2:52 PM, Kelton Stefan wrote:
> I appreciate everyone's interest in getting this fixed. Unfortunately, I
> don't have on hand a board design that I can send, the particular design
> that I'm having this issue with is for a customer and I don't have the
> liberty to share it.
> 
> It looks like Wayne Stambaugh has experienced a similar if not identical
> problem, although I don't think I'm having any DXF export problems. He
> seems ready to send an offending board for debug purposes. Wayne, do you
> think you could send something to Lorenzo and JP Charras?
> 
> Lorenzo, I'm not exactly sure what the 'butterfly' is that you mention I
> should produce a summary test with. Can you explain?
> 
> Thanks everyone!
> Kelton

I already sent the problem board, gerber, and DXF files directly to JP
so he can duplicate the problem.

> 
> 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
>>
> 
> 
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