KLayout Forum

Discussion List

• DRC runs much slower in deep mode compared to default (flat) mode

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

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

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

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

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

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

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

  256 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?

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

  1.5K views 16 comments 0 points Most recent by jself October 2025General
• Refresh library entries programatically

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

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

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

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

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

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

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

  194 views 7 comments 0 points Most recent by Matthias October 2025Python scripting
• Interface / Ergonomics detail when adding a cell instance

  117 views 2 comments 0 points Most recent by ocasta October 2025General
• XFAB XH035 iPDK

  143 views 1 comment 0 points Most recent by dick_freebird October 2025General
• scaling in one direction

  1.8K views 3 comments 0 points Most recent by jself October 2025Layout
• build klayout on RHEL 8.10

  360 views 2 comments 0 points Most recent by Matthias October 2025General
• Installation settings for Ubuntu 18.04

  148 views 3 comments 0 points Most recent by Matthias October 2025Python scripting
• Klayout impoprt multi-GDS

  163 views 6 comments 0 points Most recent by Matthias October 2025KLayout Support
• LVS using L2N files

  111 views 3 comments 0 points Most recent by Matthias October 2025Verification
• How to modify some polygons with multiple points?

  261 views 5 comments 0 points Most recent by jiunnweiyeh October 2025General
• How to draw a circle with pcell rather than polygon points?

  457 views 6 comments 0 points Most recent by tomas2004 September 2025Python scripting
• How to only keep layout in fixed area?

  178 views 5 comments 0 points Most recent by blueman_44 September 2025Layout
• KLayout version 0.30.4 doesn't let me import Plugin python class

  204 views 3 comments 0 points Most recent by Matthias September 2025Python scripting
• Fracturing a big polygon in smaller shapes

  190 views 1 comment 0 points Most recent by Matthias September 2025Help wanted, Jobs wanted