kicad-developers team mailing list archive

[Simon Wells <swel024@xxxxxxxxx>]

i have no idea whether it is actually valid but could/would bezier
curves be used in differential pairs that are also length matched? so
that it would keep the seperation for the differential but would also
allow the lengths to be equal?

On Wed, Sep 14, 2016 at 10:51 PM, jp charras <jp.charras@xxxxxxxxxx> wrote:
>> On Wed, Sep 14, 2016 at 7:44 PM, Nick Østergaard <oe.nick@xxxxxxxxx <mailto:oe.nick@xxxxxxxxx>> wrote:
>>
>>     For some RF applications people would like to use curves for traces. So DRC support for
>>     beizier/arcs would be nice here.
>
> I perfectly understand the interest of arcs in traces.
>
> But what the interest of Bezier curves in traces or shapes on copper layers ?
>
> I am not a microwave specialist, however I never saw cases where Bezier curves are needed.
>
> The more complex case I know is a filter, which works fine with polygons (seen demos/microwave).
>
> AFAIK, complex shapes are generated by specialized tools (you cannot easily draw them by hand).
> Are they generating shapes with Bezier curves.
>
> Moreover, remember Gerber format does not support Bezier curves, so they will be converted to
> polygons if they are supported by Pcbnew.
>
> --
> Jean-Pierre CHARRAS
>
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