kicad-developers team mailing list archive

[Jon Evans <jon@xxxxxxxxxxxxx>]

Hi Andrew,

The attached file does not open in PcbNew, it appears to be truncated.
It would be helpful if you could attach the full file to a GitLab issue
along with the exported DXF:
https://gitlab.com/kicad/code/kicad/-/issues/new?issue%5Bassignee_id%5D=&issue%5Bmilestone_id%5D=

Thanks,
Jon

On Tue, Jan 12, 2021 at 7:44 AM Andrew Zonenberg <azonenberg@xxxxxxxxxxxxxxx>
wrote:

> Hi,
>
> Kicad's DXF export seems to be broken, causing many tools (such as the
> Sonnet field solver, example attached) to not import layouts correctly.
> I contacted Sonnet support and they did some digging; it seems like
> KiCAD is producing malformed DXFs that have non-closed polygons in them.
>
> I've also encountered two other problems getting KiCAD designs into Sonnet:
>
> 1) Sonnet's DXF import expects a *single* DXF, with one drawing layer
> per PCB/via layer. KiCAD generates one DXF per layer and I don't think
> there is currently a way to do a multilayer export. This isn't a fatal
> problem as I can just do multiple imports, but it's annoying.
>
> 2) More seriously, There does not seem to be any way to get via drill
> *outlines* in DXF format. The "drill map" file just has an X at each via
> location which is useless when trying to import layout into an external
> tool.
>
> Anybody have suggestions on how to proceed, or interested in helping to
> fix this? I'm not super familiar with the DXF file format although back
> in the v4.x days I did do some work on the microvia/blind via Excellon
> drill export code so I've done at least a little bit of work there.
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