Re: gEDA-user: DXF->PCB

[Levente Kovacs <leventelist@xxxxxxxxx>]

On Sat, 19 Jul 2008 18:04:44 -0700
Dave N6NZ <n6nz@xxxxxxxx> wrote:

Hi Dave,

Thank you for your answer.

> Hmmm... I guess pstoedit only does ps->dxf, not dxf->ps. In any case, 
> pstoedit handles some cases of ps->dxf quite oddly.

I meant dxf->ps with something else and ps->pcb with pstoedit.

> If you get forced to roll your own, QCad http://ribbonsoft.com has a 
> GPL'ed and very robust C++ library for reading .dxf files.  I've used 
> it, and it is reliable and reasonably easy to use.  Especially if you 
> confine yourself to only a few entities.  For instance, if you
> restrict yourself to reading a single layer of the drawing, and
> ignore anything but straight lines (for PCB outline) and circles (for
> screw holes) it should be pretty simple.  You can ignore color and
> dashed-line type and elliptical arcs and area fills and..... all the
> crap that makes processing dxf difficult.

I see. The idea came from my day job, where we receive data from Pro/E, and
there is a tool that converts it to a our PCB software (Zucken's BD).

> I guess the one trick is that in dxf files the origin can be
> anywhere, but in PCB we are always in quadrant IV so you would need
> to translate the coordinate space.

That could be easy to implement.

Any summer student to volunteer?

Levente

-- 
Levente Kovacs
http://logonex.eu



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