kicad-developers team mailing list archive

[jean-pierre charras - INPG <jean-pierre.charras@...>]

Jonas Diemer a écrit :
> Am Montag, 7. September 2009 12:23:38 schrieb jean-pierre charras - INPG:
> > I do not believe Pcbnew must create a DRC error for each pad having a
> > non 0 or 90 deg orientation.
> > This will understand as a BUG for users who have such pads in their 
> board.
>
> True it is a poor fix, best fix would be to implement clearance check 
> for non-
> oriented pads. The question is what we do until this is implemented:
>
> Option 1 (current state): Ignore these and do not generate DRC marker. 
> This
> would mean that there are undetected DRC violations.
>
> Option 2 (my suggestion): Generate errors in those cases, where we can 
> not say
> whetern DRC rules are met. This will generate false positives...
>
> Option 3: Enhance Option 2 by simple bounding box check to reduce false
> positives.
>
> - Jonas

One can also display a warning when such pads are encoutered.

But the better way is to extract (and simplify) from zone to zone 
outline DRC control the code that test the distance between 2 polygon
that is exactly what is needed here.
see zones_test_and_combine_areas.cpp and 
BOARD::Test_Drc_Areas_Outlines_To_Areas_Outlines

--
Jean-Pierre CHARRAS
Maître de conférences
Directeur d'études 2ieme année.
Génie Electrique et Informatique Industrielle 2
Institut Universitaire de Technologie 1 de Grenoble
BP 67, 38402 St Martin d'Heres Cedex

Recherche :
Grenoble Image Parole Signal Automatique (GIPSA - INPG)
Grenoble France