kicad-developers team mailing list archive

[Nick Østergaard <oe.nick@xxxxxxxxx>]

Seems like it did indeed not like the "beefy" image, but I got a link
for you all.

http://www.pasteall.org/pic/show.php?id=78550

2014-10-15 20:56 GMT+02:00 Nick Østergaard <oe.nick@xxxxxxxxx>:
> I have identified all the circles in the photo from Jon that creates
> the circles. The red indicates approximately where the circle was
> supposed to be and the green links that to the big circle.
>
> Nick
>
> 2014-10-15 20:11 GMT+02:00 Nick Østergaard <oe.nick@xxxxxxxxx>:
>> Hello
>>
>> I might have identified the issue. I did checkout Jon's board on his
>> github account, then I grepped around a bit and found that: grep
>> circle POE.kicad_pcb  | grep "0 0)"   matches almost the number of
>> circles that appear on silk.
>>
>> I then noticed that, at least the fp_circle entries ones use relative
>> coordinates to the module to draw that. The issue _I think_ is that
>> the gerber exporter do not interpret this coordinate as local to the
>> module but global. So this would match up pretty good to the images
>> that Jon is seeing on his board.
>>
>> An example is the P1 and P2 modules (which is a single pad with a
>> centered circle on the silk).
>>
>> So the isse could be that the exporter is mising the module origin
>> offset when using the fp_circles.
>>
>> I have attached a minimal board that I think should show the bug.
>> Mitch, can you please try to send that though your fabs viewer?
>>
>> Regards
>> Nick Østergaard
>>
>> 2014-10-15 20:00 GMT+02:00 Jon Neal <reportingsjr@xxxxxxxxx>:
>>> Since the image was not attached either here is a link to it:
>>> https://www.dropbox.com/s/3nffd78xj154txh/2014-09-22%2012.32.53.jpg?dl=0
>>>
>>>
>>> Jon
>>>
>>> On Wed, Oct 15, 2014 at 1:36 PM, Jon Neal <reportingsjr@xxxxxxxxx> wrote:
>>>>
>>>> Maybe I'm not allowed to attach zips? I can see it on my end! I will try
>>>> again with this email.
>>>>
>>>>
>>>> Jon
>>>>
>>>> On Wed, Oct 15, 2014 at 1:33 PM, Nick Østergaard <oe.nick@xxxxxxxxx>
>>>> wrote:
>>>>>
>>>>> Classic.If we assume you really attached a zip then it has been hidden
>>>>> pretty well on the way to my end.
>>>>>
>>>>> 2014-10-15 18:23 GMT+02:00 Jon Neal <reportingsjr@xxxxxxxxx>:
>>>>> > Hi,
>>>>> >
>>>>> > I had a board manufactured about a month ago and when I got it back
>>>>> > there
>>>>> > was a strange issue with the silkscreen. (see attached image) All of
>>>>> > the
>>>>> > circles in the silkscreen layers are absolutely giant and all centered
>>>>> > on a
>>>>> > point offset from the board.
>>>>> >
>>>>> > The gerbers were generated with KiCad BZR 5101, gerber format 4.6, mm
>>>>> > for
>>>>> > the units, and absolute positioning.
>>>>> >
>>>>> > Another person that used the same pcb service I used had the same
>>>>> > problem
>>>>> > using the same gerber settings with BZR 4988.
>>>>> >
>>>>> > The service (hackvana) believes this to be a KiCad issue rather than an
>>>>> > issue at the fab. I tried looking at the gerbers a bit, but I don't
>>>>> > know
>>>>> > enough about the gerber format to know what to look for.
>>>>> >
>>>>> > I attached the gerbers used for the board as a zip for those who want
>>>>> > to
>>>>> > look through them.
>>>>> >
>>>>> > Thanks!
>>>>> > Jon Neal
>>>>> >
>>>>> > _______________________________________________
>>>>> > Mailing list: https://launchpad.net/~kicad-developers
>>>>> > Post to     : kicad-developers@xxxxxxxxxxxxxxxxxxx
>>>>> > Unsubscribe : https://launchpad.net/~kicad-developers
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>>>>> >
>>>>
>>>>
>>>