On Thu, 2008-01-17 at 10:05 +0000, Dan Andersson wrote: > First question that came to my mind was - Why? >
Because I wanted to be able to generate a DXF file with xref's to insert external references of 3D modeling blocks of packages in a mechanical cad application. > ALL pcb producers with the "professional" stamp have DXF to Gerber converters > already - which they are used to work with. By introducing one more source of > errors, you might not do yourself any favour... > IMHO, this has nothing to do with gerbers :) pcb does gerbers already :) > It's easy to convert DXF to Gerber. The pitfalls are the management of the > aperture diameters, which have to be done more or less manually - if your > Gerber plotter have fixed apertures, Also, the older Gerber formats didn't > deal with drilling and milling data. > An exporter for milling data would be nice. Then we could make prototype boards without the chemical stuff. Then again, don't ignore/overlook the respiratory hazards/problems FR4 milling could inflict. > Also, a professional pcb house want the drill file to be optimised ( or > charge > you to do it ). > > I did the Fortran IV dxf-gerber conversion in a PDP11-23 and the Gerber > plotter was driven by a HP1000 and we had Northern Europes largest Gerber > plotter. The Drill data paper punch was an ASR33. > So it wasn't yesterday... > > > //Dan, M0DFI Nice, would it happen to be free as in "free beer" or as in "freedom of speech" :) Portability ? The FSF would say "show us the code !" Kind regards, Bert Timmerman. _______________________________________________ geda-dev mailing list [email protected] http://www.seul.org/cgi-bin/mailman/listinfo/geda-dev
