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  • Platform: Mac OS X 10.13.5
  • Eagle Version: 9.1.1

For some reason, when I apply my ground pour (draw polygon with name GND and hit ratsnest), the ground pour covers my other components as well as air wires in the Eagle board view.

I don't think I experienced this with other board designs.

Is there something that I'm doing wrong?

enter image description here

Edit: This is what it looks like in an Eagle tutorial: enter image description here

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  • \$\begingroup\$ Looks normal to me. What were you expecting? \$\endgroup\$
    – brhans
    Jul 18, 2018 at 0:17
  • \$\begingroup\$ @brhans please see edited post \$\endgroup\$
    – Allen Houng
    Jul 18, 2018 at 0:31
  • \$\begingroup\$ To me, it looks like you had put all components on the bottom layer instead of the top layer. Your PCB is upside down. See the BERG label on your USB connector. It's mirrored. \$\endgroup\$
    – Janka
    Jul 18, 2018 at 0:37
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    \$\begingroup\$ I think a tight clearance & low-resolution pic are making it look like the pour is connected to pads it shouldn't be and actually isn't. You can see where it is properly connected to pads by the 'reliefs'. As for the 'air wires' - they're not 'real' - there's no copper to prevent the pour from being there. I'm confused as to why you've poured the ground plane before routing anything else ... ? \$\endgroup\$
    – brhans
    Jul 18, 2018 at 1:17
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    \$\begingroup\$ The air wires are connections not routed yet. It does not make sense to isolate them from a ground pour. Do the routing first and then add a ground pour. At least route 1 or 2 air wires to see the effect on ground pour. Ground pour requires to set the isolation distance before. \$\endgroup\$
    – Uwe
    Jul 27, 2018 at 10:05

3 Answers 3

Reset to default
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It's a known, reported bug, first seen over here.

Until a fix is issued in a future update, the only work around by now is running this command in the command line of Eagle:

set Option.LayerSequence 23 1 16
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  • \$\begingroup\$ AWESOME IM GLAD IM NOT CRAZY \$\endgroup\$
    – Allen Houng
    Aug 3, 2018 at 2:11
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Ensure that the shape for the ground pour was named GND Then hit the ratsnets command.

enter image description here

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  • \$\begingroup\$ confirmed that is what i have. still not working :\ \$\endgroup\$
    – Allen Houng
    Jul 18, 2018 at 8:10
  • \$\begingroup\$ @AllenHoung what setting do you have for isolate? If it 0, as shown in the screenshot above, then of course it will cover everything. Isolate is the clearance between the plane and any other traces/pads/planes. \$\endgroup\$
    – Tom Carpenter
    Jul 18, 2018 at 10:17
  • \$\begingroup\$ @ConcernedCitizen, you might want to use sensible settings in your screenshots. \$\endgroup\$
    – Tom Carpenter
    Jul 18, 2018 at 10:17
  • \$\begingroup\$ @TomCarpenter such as? Having isolate as 0 gives me no issues when i hit ratsnets. It will default to your DRC settings... \$\endgroup\$
    – Concerned Citizen
    Jul 19, 2018 at 11:07
  • \$\begingroup\$ @TomCarpenter what's your value for isolate? \$\endgroup\$
    – Allen Houng
    Jul 19, 2018 at 12:47
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So after trying routing, it seems like this is a new feature in the latest eagle? It seems that eagle will only highlight the specific airwire that you are trying to route as shown in the screenshot below:

enter image description here

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  • \$\begingroup\$ Or watch some more videos. \$\endgroup\$
    – Concerned Citizen
    Jul 28, 2018 at 4:26
  • \$\begingroup\$ @Uwe it's a bug! see solution \$\endgroup\$
    – Allen Houng
    Aug 3, 2018 at 2:12

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