KLayout Forum

Discussion List

• Python thread safety (3.14 freethreading)

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

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

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

  87 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)

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

  65 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

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

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

  130 views 2 comments 0 points Most recent by Matthias November 2025General
• KLayout DRC on large layouts

  335 views 8 comments 0 points Most recent by Matthias November 2025KLayout Support
• How to export size of layer for over 1000 GDS files?

  122 views 7 comments 0 points Most recent by jiunnweiyeh November 2025Ruby Scripting
• IQM looking for a Software Engineer to develop KQCircuits - a KLayout plugin

  153 views 1 comment 0 points Most recent by PavelSmirnov November 2025Help wanted, Jobs wanted
• DRC runs much slower in deep mode compared to default (flat) mode

  145 views 3 comments 0 points Most recent by Matthias November 2025Verification
• how to create a layer properties file ".lyp"?

  396 views 5 comments 0 points Most recent by blueman_44 November 2025KLayout Development
• PCell tweaking UI/UX issues, ideas & proposals

  76 views 1 comment 0 points Most recent by Matthias November 2025KLayout Development
• Key-bindings for display Back and Forward - glitch?

  100 views 5 comments 0 points Most recent by Matthias November 2025KLayout Support
• Length values in expressions using TilingProcessor

  168 views 10 comments 0 points Most recent by mole99 October 2025Ruby Scripting
• Trace Path issue

  109 views 2 comments 0 points Most recent by footang October 2025KLayout Support
• Use PCell's "display_text" when converting PCell to static

  109 views 9 comments 0 points Most recent by Tabra October 2025KLayout Development
• Learn Klayout

  192 views 2 comments 0 points Most recent by Ajaymoreb October 2025General
• What is the meaning of the appearance of horizontal lines in the layout layer?

  197 views 10 comments 0 points Most recent by Matthias October 2025KLayout Support
• "Basic" Library "TEXT" cell

  1.4K views 16 comments 0 points Most recent by jself October 2025General
• Refresh library entries programatically

  72 views 5 comments 0 points Most recent by Tabra October 2025KLayout Support
• xor result not clean.

  106 views 4 comments 0 points Most recent by stukov October 2025General
• top cell set criteria

  91 views 4 comments 0 points Most recent by dick_freebird October 2025KLayout Support
• Behavior of Region object when source is modified

  98 views 3 comments 0 points Most recent by Matthias October 2025Python scripting
• Region inserted in layout is empty / not shown

  105 views 3 comments 0 points Most recent by Matthias October 2025Python scripting
• force edge angle

  64 views 0 comments 0 points Started by laurent_c October 2025 KLayout Development
• "Edit Layer Stack" layers do not save on FreeBSD

  64 views 5 comments 0 points Most recent by Matthias October 2025KLayout Development
• Importing .py files from technology directory

  128 views 7 comments 0 points Most recent by Matthias October 2025Python scripting