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EAGLE User Chat (English) Filtering ratsnest by component
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Related

Filtering ratsnest by component

Former Member
Former Member over 11 years ago

Hey,

 

I recently purchaced Eagle standard and am currently laying out a few pcbs. Is there any way to filter the ratsnest by component? Or at least by layer? It becomes a giant mess with multiple layers of airwires all crossing one another, I can almost feel the myopia developing already. Any help would be greatly appreciated!

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  • autodeskguest
    autodeskguest over 11 years ago

    On 27.09.2013 00:44, J S wrote:

    Hey,

     

    I recently purchaced Eagle standard and am currently laying out a few

    pcbs. Is there any way to filter the ratsnest by component? Or at least

    by layer? It becomes a giant mess with multiple layers of airwires all

    crossing one another, I can almost feel the myopia developing already.

    Any help would be greatly appreciated!

     

    --

    To view any images and attachments in this post, visit:

    http://www.element14.com/community/message/90032#90032

     

     

     

    You can filter it by signals. From HELP RATSNEST:

     

     

    Hiding selected airwires

     

    Sometimes it may be useful to hide the airwires of selected signals, for

    instance if these will later be connected through a polygon. Typically

    this could be supply signals, which have a lot of airwires that will

    never be routed explicitly and just obscure the other signals' airwires.

     

    To hide airwires the RATSNEST command can be given the exclamation mark

    ('!'), followed by a list of signals, as in

     

    RATSNEST ! GND VCC

     

    which would hide the airwires of the signals GND and VCC.

    To have the airwires displayed again just enter the RATSNEST command

    without the '!' character, and the list of signals:

     

    RATSNEST GND VCC

     

    This will activate the display of the airwires of the signals GND and

    VCC and also recalculates them. You can also recalculate the airwires

    (and polygons) of particular signals this way.

    The signal names may contain wildcards, and the two variants may be

    combined, as in

     

    RATSNEST D* ! ?GND VCC

     

    which would recalculate and display the airwires of all signals with

    names beginning with 'D', and hide the airwires of all the various GND

    signals (like AGND, DGND etc.) and the VCC signal. Note that the command

    is processed from left to right, so in case there is a DGND signal the

    example would first process it for display, but then hide its airwires.

     

    To make sure all airwires are displayed enter

     

    RATSNEST *

     

    Note that the SIGNAL command will automatically make the airwires of a

    signal visible if a new airwire is created for that signal. The RIPUP

    command on the other hand will not change the state of hiding airwires

    if a wire of a signal is changed into an airwire.

     

     

     

    --

    Mit freundlichen Gruessen / Best regards

    Richard Hammerl

      CadSoft Support -- hotline@cadsoft.de

      FAQ: http://www.cadsoft.de/training/faq/

     

     

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