Re: gEDA-user: kicad/gerbview vs. pcb/gerbv: interpretation of "Circular Interpolation"

[Rick Collins <gnuarm.2006@xxxxxxxxx>]

That seems to be a rather esoteric bug.  Is there 
any point where it causes a problem?  Even if PCB 
is within spec, if it fails to work with a large 
majority of the software out there, maybe it 
should be changed to conform with common 
usage?  But if there is no complaint that this 
causes a problem, what is the point?

Rick


At 12:08 PM 8/31/2010, you wrote:
> in ubuntu bug 611907 (http://bugs.launchpad.net/kicad/+bug/611907) a
> kicad guy thinks that pcb's gerber output does not conform to RS274X,
> because it always(?) uses "Multiquadrant (360°) Circular Interpolation
> (G75)" even for arcs which can be drawn with a "Single Quadrant
> Circular Interpolation (G74)" command. After reading the ucamco specs i
> think pcb is ok, but i want to let you know his opinion...
>
> --
> Kind regards/Mit freundlichen Grüßen, Stefan Tauner
>
>
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