Re: gEDA-user: gEDA-dev: Arc intersection connectivity bug

[Ineiev <ineiev@xxxxxxxxx>]

On 11/13/09, Gabriel Paubert <paubert@xxxxxxx> wrote:
> On Fri, Nov 13, 2009 at 01:42:33AM +0000, Peter Clifton wrote:
> Anyway, right now you won't be able to produce the corresponding
> photoplotter files.
>
> While as far as I know Gerber only allows circular interpolation:
>
> http://www.artwork.com/gerber/274x/rs274xrevd_e.pdf
>
> it may be possible to produce elliptical arcs by using the SF
> command (scaling factor). Neither the PCB nor the Gerber file
> format allow to describe ellipses with arbitrary orientation.

IMO if PCB would fully support such complicated curves, it would
better support something general like beziers; it would not be much
harder, but more useful.

Regards,
Ineiev


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