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Is there a way to make a speciffic routing rule applicable only for selected components (or component class)?

I want to define some "routing width" rules that will start routing the same net (e.g. GND) with a wide tracks from components with wide pads and use thiner tracks for smaller components.

Is there a way to do that without defining some extra rooms around components?

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  • \$\begingroup\$ Perhaps a neckdown rule will do? wiki.altium.com/display/ADOH/SMD+Neck-Down \$\endgroup\$ Dec 3, 2013 at 18:20
  • \$\begingroup\$ That's not exactly what I was looking for. You can only limit the maximum track width with it. I wanted to do the oposite - define the minimal track width. \$\endgroup\$
    – pa0los
    Dec 3, 2013 at 21:26
  • \$\begingroup\$ I think the way to resolve this is using from-to classes. Within it you can define connections between chosen components. However when I specify routing rule to the specific from-to class it doesn't seem to apply at all. Any ideas on how to make this work? \$\endgroup\$
    – pa0los
    Dec 19, 2013 at 12:35

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With a PCB doc open, go to Design -> Rules, select Routing -> Width

Create a Query, such as:

inNet('GND') or inComponent('U1') 

Alternately, you can use the Query Helper or Query Builder to set up your rule.

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