Re: [N8VEM-S100:3788] A question about FreeRoute and KiCAD

[Andrew Lynch <lyn...@yahoo.com>]

Hi

You need to delete the copper fill zones before you export the DSN to FreeRouting.  Then FR will route all the traces including the ground traces.  Once you reimport the Specctra session into PCBnew you can add the copper fill zones which will then absorb all the ground traces.

Thanks and have a nice day!

Andrew Lynch

--------------------------------------------
On Tue, 5/27/14, Malcolm Macleod <mal...@avitech.com.au> wrote:

 Subject: [N8VEM-S100:3788] A question about FreeRoute and KiCAD
 To: n8vem...@googlegroups.com
 Date: Tuesday, May 27, 2014, 2:14 AM
 
 I’m new to FreeRoute – and
 having a few teething problems.  I’m wondering if anyone
 here with more experience with FR can help me
 out.  I’m working on a double-sided
 board.  I successfully manually routed the whole board (way
 too many hours spent on this!) and I’m now comparing my
 manual results with FR’s capabilities.  There are copper
 “zones” on both sides, to be connected to GND.  When I
 route the board in FR, it doesn’t attempt to connect any
 of the pins that are intended to be connected to GND.  All
 other traces are routed correctly, in accordance with the
 design rules (track widths etc) that I defined in KiCAD. 
 FR seems to assume that KiCAD’s GND “zones” will
 connect all the GND pins, when the zones are later filled in
 by Pcbnew.  The problem is that when Pcbnew (in KiCAD) does
 fill in the zones, it can’t reach many of the required
 pins, as FR hasn’t left any space for the zones to flow
 between the traces that FR has laid.  Has anyone else had this
 problem?  I’ve found a workaround (disconnect the zones
 from GND, before running FR) but I assume there should be a
 better way to do this?  Malcolm
   
 
 
 
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