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Autodesk EAGLE
EAGLE User Chat (English) Routing in stages by net-class
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Related

Routing in stages by net-class

autodeskguest
autodeskguest over 16 years ago

Well I found my own solution to priority based routing using net classes.

Its not perfect, but at least it allows some control for staged routing

without having to dig to hard for all the nets.

 

The reason for this is to provide the ability to route critical signal first

(and potentially lock them) and then routing other signals in some sort of

order. The way to achieve this is by setting a call for each net that

requires priority based routing.

 

The execute the ULP which provides board stats, and select all the nets of a

certain class. Copy that list to a text editor and make it all one line of

text.

 

The select the autorouter icon | select and paste that line of net names

into the command line followed by a ;  The semi-colon tells the autorouter

to start routing the selected net set.

 

Repeat this process for other net classes (priorities) until your board is

routed. You may want to stop and hand optimize some of the routing between

steps.

 

Hope this helps someone, because the autorouter SUCKS at routing fine pitch

SMD.

 

Thanks,

Eldon.

 

 

 

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