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I'm viewing a board layout file in Mentor PADS and there are X symbols all over the board. I'm not sure what they indicate, but they don't seem to be a part of any layer and I can't hide them. I'd at least like to know what they are, but also knowing how to disable them in this viewer would be helpful as well.

enter image description here

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The X indicates an airwire of zero length

Try activating route and clicking on it and moving it, then shift+left-click to place via.

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  • \$\begingroup\$ Are these airwires just the result of direct connections to a GND or PWR plane? I'm only using the free viewer, so I can't move anything. I don't see a ROUTE option. \$\endgroup\$
    – Crunchy
    Aug 6, 2013 at 18:10
  • \$\begingroup\$ (edited) There are several different reasons that could cause it. Try F9 or you should be able to find route in the Tool menu. Can you scroll on the top menu, tool->auto->general tab->Load->ee_autoroute.ctl? (might need to download ee_autoroute.ctl) \$\endgroup\$
    – Iancovici
    Aug 6, 2013 at 18:28
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When I use PADS, they generally indicate where you have vias or pads connected to net layers. They indicate where via connections will be made and thermal spokes will be generated.

edit: When copper is poured, it will be the location of a plane connection.

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