• Skip to main content
  • Skip to search
  • Skip to footer
Cadence Home
  • This search text may be transcribed, used, stored, or accessed by our third-party service providers per our Cookie Policy and Privacy Policy.

  1. Community Forums
  2. Allegro X PCB Editor
  3. Dynamic Shape no clearance with other elements

Stats

  • State Suggested Answer
  • Replies 3
  • Answers 1
  • Subscribers 161
  • Views 3047
  • Members are here 0
More Content

Dynamic Shape no clearance with other elements

xmlee
xmlee 11 months ago

My board has 12 layers. 4 layers of them can't be poured copper correctly.

In the normal layer, the copper has correct clearance with pins/clines/vias:

While in the abnormal layer, the copper only have clearance at the edge of the shape:

I can confirm they are dynamic copper

And the shape parameter has been set to smooth, no exception overrides:

The 4 problematic layers have conductor layers and plane layers.

In the constraint manager, they have same spacing settings:

How can I resolve this?

  • Sign in to reply
  • Cancel
Parents
  • avant
    0 avant 11 months ago

    Go into the cross section editor and make sure these are not set as negative planes.

    • Cancel
    • Vote Up 0 Vote Down
    • Sign in to reply
    • Verify Answer
    • Cancel
Reply
  • avant
    0 avant 11 months ago

    Go into the cross section editor and make sure these are not set as negative planes.

    • Cancel
    • Vote Up 0 Vote Down
    • Sign in to reply
    • Verify Answer
    • Cancel
Children
  • xmlee
    0 xmlee 11 months ago in reply to avant

    Both positive & negative layers showed the same problem, two GND, one PWR and one signal layer.

    • Cancel
    • Vote Up 0 Vote Down
    • Sign in to reply
    • Verify Answer
    • Cancel
  • xmlee
    0 xmlee 11 months ago in reply to xmlee

    Just tried created 4 new layers to replace these problematic layers. It is resolved and I don't know why.

    • Cancel
    • Vote Up 0 Vote Down
    • Sign in to reply
    • Verify Answer
    • Reject Answer
    • Cancel
Cadence Guidelines

Community Guidelines

The Cadence Design Communities support Cadence users and technologists interacting to exchange ideas, news, technical information, and best practices to solve problems and get the most from Cadence technology. The community is open to everyone, and to provide the most value, we require participants to follow our Community Guidelines that facilitate a quality exchange of ideas and information. By accessing, contributing, using or downloading any materials from the site, you agree to be bound by the full Community Guidelines.

© 2025 Cadence Design Systems, Inc. All Rights Reserved.

  • Terms of Use
  • Privacy
  • Cookie Policy
  • US Trademarks
  • Do Not Sell or Share My Personal Information