Altium NEXUS Documentation


Created: June 11, 2016 | Updated: April 11, 2017
This documentation page references Altium NEXUS/NEXUS Client (part of the deployed NEXUS solution), which has been discontinued. All your PCB design, data management and collaboration needs can now be delivered by Altium Designer (with Altium Designer Enterprise Subscription) and a connected Altium 365 Workspace. Check out the FAQs page for more information.

Parent page: CAMtastic Commands

The following pre-packaged resource, derived from this base command, is available:

Applied Parameters: None


This command is used to locate any invalid polygons within the current document. Polygons in a CAM document are continuous outlined boundaries that are Raster filled. Raster-filled boundaries cannot support overlapping or multiple shared vertices. Such instances are deemed invalid polygons and, if left unchecked, could cause undesirable results when photoplotting.


This command is accessed from the CAMtastic Editor by choosing the Analysis » Invalid Polygon Search command from the main menus.


After launching the command the cursor will change to a small square and you will be prompted to "Select Draws". Simply drag a selection box around polygons in the design or, more efficiently, drag the selection box around the entire design. Once the selection is made, right-click. An information dialog will appear, either stating that No Invalid Polygons were Found, or that n Invalid Polygons were Found. In the latter case, the offending polygons will be assigned to the next unused Dcode and will become unfilled in the main design workspace.


  1. You can restore an invalid polygon by using the Undo command.


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