kicad-developers team mailing list archive

[Jeff Young <jeff@xxxxxxxxx>]

Got it.  Thanks for the pointer.


> On 18 Sep 2018, at 13:32, Tomasz Wlostowski <tomasz.wlostowski@xxxxxxx> wrote:
> 
> On 18/09/18 12:17, Jeff Young wrote:
>> When we check for collisions we do it first with the
>> worst-case-clearance value (m_maxClearance).  I imagine this is so that
>> we can search the RTree uniformly.
>> 
> Hi Jeff,
> 
> Yes, that's ^^^ the reason.
> 
>> But don’t we then have to check each collision for actual clearance
>> violation (ie: with the actual, not worst-case clearance values)?  I
>> can’t seem to find where this happens while routing.  (I’m looking
>> at DIFF_PAIR_PLACER::attemptWalk().)
> 
> Have a look at PNS::NODE::DEFAULT_OBSTACLE_VISITOR::operator(). It does
> exactly what you've mentioned.
> 
> Cheers,
> Tom