kicad-developers team mailing list archive

[Alexander Shuklin <jasuramme@xxxxxxxxx>]

Hi,
Thanks for answer,
well, I think that's stupid things they do,
Just if we stay on that format we have, that's a point, I will use the
python scripts.
You see, that's very common PCB manufacturer in Russia. And if it's
decided to use scripts, and their company will change nothing, I will
write them instructions how to deal with their production with KiCad.
Just I want to be sure, that's I know the proper way to do it.

On Wed, 16 Oct 2019 at 11:08, jp charras <jp.charras@xxxxxxxxxx> wrote:
>
> Le 16/10/2019 à 09:36, Nick Østergaard a écrit :
> > A related issue was brought up on
> > https://forum.kicad.info/t/gerber-filenames-with-protel-extensions/14177
> >
> > I think the manufacturer should only make it a warning not an error. I
> > assume their reasoning is that they want to make sure only one project
> > is embedded in the gerber package they have, but I don't think that is
> > a fair way to determine if it is the same project.
> >
> > I think having the layer names in the file name helps to verify that
> > the layer is correct when viewed in a gerber viewer.
> >
> > I don't think the patch is good as is, as it changes the behaviour of
> > the protel file name extensions unconditionally. I think it should be
> > added as a option, but we already do have a lot of options. I think
> > you are better of using a python script for plotting and packing it up
> > as you like it. See for example
> > https://github.com/KiCad/kicad-source-mirror/blob/master/demos/python_scripts_examples/gen_gerber_and_drill_files_board.py
> >
> > Don't your fab support X2 and gerber job files?
> >
> I agree with Nick:
>
> Protel extensions is outdated (and inconsistent) since a long time.
>
> Please use X2 support and Gerber job files.
>
> "they demand drill files to be same precision as gerbers (for example
> 4:5). Can you confirm that proper Excellon format should be 3:3 precision"
>
> I confirm the best format is the decimal format, not x:y format.
> Excellon files have no way to specify the format actually used in files.
>
> The only one doc on Excellon format (this is a user manual of a CNC
> machine) says the metric format is 3:3 (units = micrometer) or 3:4 (or
> of course decimal format that avoid this issue.
>
> The Excellon format is not related to Gerber format (they are 2
> different formats, although based on G commands)
>
> For recent doc on drill files see:
> https://www.ucamco.com/files/downloads/file/305/the_xnc_file_format_specification.pdf
>
> Looks to me your manufacturer want files just like Altium does.
> But Kicad is not Altium.
>
>
> > On Wed, 16 Oct 2019 at 09:16, Alexander Shuklin <jasuramme@xxxxxxxxx> wrote:
> >>
> >> Hi,
> >> sorry, I'm not quite sure with that topic, as I never worked with
> >> protel gerber format before. My PCB manufacturer started to use some
> >> online tool to check gerbers
> >> (https://www.frontline-pcb.com/products/sales/insight-pcb-overview.html)
> >> and now they demand to send them files with protel extensions. But
> >> that tool expect all files with same name. But now if you switch "use
> >> protel extensions" in KiCad, it generate something like :
> >> project_name-F_Cu.gtl
> >> project_name-B_Cu.gbl
> >> If "project_name.gtl" is the proper way, can you please apply my patch?
> >> btw, Altium creates similar to "project_name.gtl"
> >>
> >> And another question:
> >> For some reason they demand drill files to be same precision as
> >> gerbers (for example 4:5). Can you confirm that proper Excellon format
> >> should be 3:3 precision? In that case, I would send bug report to
> >> them.
> >> _______________________________________________
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> >
> > _______________________________________________
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> >
>
>
> --
> Jean-Pierre CHARRAS
>
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