gEDA-user: avoid route on component layer for specific component

2007-04-04 Thread ludovic SMADJA

Hi,

On an home-made board, it's sometimes quite difficult to solder 
components on component side. The problem is that autoroute method use 
it to connect component layer and solder layer.


Is a way to easily declare for some components (like IC) but not for 
others (like resistor) not to route on component layer but only on 
solder layer ?



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Re: gEDA-user: avoid route on component layer for specific component

2007-04-04 Thread John Griessen

ludovic SMADJA wrote:

Is a way to easily declare for some components (like IC) but not for 
others (like resistor) not to route on component layer but only on 
solder layer ?


The way we have now is not per component, but per layer.  Before running 
autoroute,
stop showing the  component layer, then run.   Also you can create groups of 
layers,
then change some of them from one side to the other.

Also, after autorouting on all layers, you can select by area
including vias and footprints, then execute movetolayer  (key ctrlm or 
shiftm) to change the ones you want.
only the traces will be changed, not footprints.   (This won't do anything 
useful for SMT footrpints...just thru hole)


John Griessen


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Re: gEDA-user: avoid route on component layer for specific component

2007-04-04 Thread Ben Jackson
On Wed, Apr 04, 2007 at 09:04:55AM +0200, ludovic SMADJA wrote:
 
 On an home-made board, it's sometimes quite difficult to solder 
 components on component side. The problem is that autoroute method use 
 it to connect component layer and solder layer.

Turned pin sockets are a big help for that problem.

 Is a way to easily declare for some components (like IC) but not for 
 others (like resistor) not to route on component layer but only on 
 solder layer ?

In Eagle I used to use keepouts on the top layer around those components,
and via-keepouts under the chips.  In pcb you could probably get close
to the same effect by drawing walls around the pins in the copper which
you delete later.

-- 
Ben Jackson AD7GD
[EMAIL PROTECTED]
http://www.ben.com/


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Re: gEDA-user: avoid route on component layer for specific component

2007-04-04 Thread John Griessen

Ben Jackson wrote:
 In pcb you could probably get close

to the same effect by drawing walls around the pins in the copper which
you delete later.


Yes, this is easy using groups and changing the group shown when
autorouting vs. doing hand layout.When we get scripting to be easier,
it will be a snap to sequence steps like this and you could then prefer to
always show your keepout layer for that side, then autoroute, then un-show it...

John Griessen
Austin TX



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