KLayout Forum

Discussion List

• FOR NEW APPLICANTS: you will need to do better than ChatGPT

  Announcement Closed 5.6K views 1 comment 0 points Started by klayoutadmin December 2015 General
• DRC scripts, reports and parallelism

  31 views 1 comment 0 points Most recent by Matthias January 22Verification
• Drag objects with a single click

  55 views 4 comments 0 points Most recent by Tabra January 20KLayout Development
• Hide "editor options" box in klayout

  60 views 3 comments 0 points Most recent by dick_freebird January 19General
• DRC: get centerline of selected edges

  105 views 7 comments 0 points Most recent by Matthias January 15Verification
• KLayout Keyboard Shortcuts

  6.5K views 7 comments 0 points Most recent by thangzero January 13General
• Feasibility and Approach for Opening GDSII Files in KLayout via Plugin

  123 views 6 comments 0 points Most recent by sekigawa January 12KLayout Development
• Antenna check using 'evaluate_nets'

  64 views 6 comments 0 points Most recent by mole99 January 11Verification
• Modifying PCell parameters

  47 views 1 comment 0 points Most recent by Matthias December 2025KLayout Support
• KLayout DRC .space() algorithm

  68 views 2 comments 0 points Most recent by katherine December 2025KLayout Development
• Image to layout alignment using 3 landmarks registrartion

  404 views 4 comments 0 points Most recent by Matthias December 2025Python scripting
• Want to Open a Custom Extension File from Klayout

  70 views 3 comments 0 points Most recent by Matthias December 2025General
• Trace path bugfix #2201 now causes trace net to fail?

  115 views 6 comments 0 points Most recent by footang December 2025KLayout Support
• 'smoothening' jagged edges of a curved line

  85 views 3 comments 0 points Most recent by Matthias December 2025General
• switch layouts but without losing the handle

  99 views 7 comments 0 points Most recent by Matthias December 2025Python scripting
• Ruby macro changes in editor not showing up when running

  31 views 1 comment 0 points Most recent by Matthias December 2025Ruby Scripting
• Bug report: Trying to insert Text on a hidden layer causes crash

  57 views 1 comment 0 points Most recent by Matthias December 2025General
• ERROR ON XSECTION - KLAYOUT 0.29.0

  64 views 3 comments 0 points Most recent by Matthias December 2025KLayout Support
• Accessing "List of Landmarks" from Image import GUI

  49 views 3 comments 0 points Most recent by LeoTrois December 2025Python scripting
• Discontinuities while drawing curves on Nazca

  56 views 2 comments 0 points Most recent by sekigawa December 2025Help wanted, Jobs wanted
• Python thread safety (3.14 freethreading)

  162 views 7 comments 0 points Most recent by Matthias December 2025Python scripting
• How to use “demofab_klayout_colors.lyp”

  68 views 2 comments 0 points Most recent by zakaria December 2025Help wanted, Jobs wanted
• Package's templates

  96 views 4 comments 0 points Most recent by gwondaleya November 2025General
• Extracting device coordinates and obtaining unreduced netlists for Matching/LDE Analysis

  54 views 2 comments 0 points Most recent by Matthias November 2025Verification
• ERROR: Signal number: 11 Address: 0x0 Program Version: KLayout 0.28.12 (2023-09-12 r8212b7c)

  431 views 26 comments 0 points Most recent by Matthias November 2025KLayout Development
• Klayout connect to Bitbucket

  51 views 1 comment 0 points Most recent by Matthias November 2025General
• Batch Mode LVS Fails on Sky130 with "Netlists don't match" -Even with extracted netlist as reference

  56 views 4 comments 0 points Most recent by Matthias November 2025KLayout Support
• Extracting GDS files from Lumerical (FDTD)

  60 views 0 comments 0 points Started by bigChill November 2025 Help wanted, Jobs wanted
• How to add custom libraries

  71 views 2 comments 0 points Most recent by Matthias November 2025General
• Editor Options showing empty in 0.30.5 version

  95 views 3 comments 0 points Most recent by Matthias November 2025Help wanted, Jobs wanted
• KLayout DRC on large layouts

  238 views 8 comments 0 points Most recent by Matthias November 2025KLayout Support