KLayout Forum

Discussion List

• Learn Klayout

  218 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?

  233 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

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

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

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

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

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

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

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

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

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

  105 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

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

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

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

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

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

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

  104 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

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

  144 views 1 comment 0 points Most recent by Matthias September 2025Help wanted, Jobs wanted
• Layers initialization failure

  140 views 7 comments 0 points Most recent by dick_freebird September 2025KLayout Support
• callback_impl pass through value changes

  57 views 1 comment 0 points Most recent by Matthias September 2025Python scripting
• Converting an SVG path to a gds path

  381 views 1 comment 0 points Most recent by Matthias September 2025File Formats
• unsigned long value overflow

  367 views 8 comments 0 points Most recent by StefanThiede September 2025KLayout Support
• rotating multiple shapes

  144 views 4 comments 0 points Most recent by tomas2004 September 2025Layout
• meaning of "Show As New Top"

  345 views 2 comments 0 points Most recent by halfmoonhalf September 2025General
• DRC: Measure distance corner to edge

  199 views 5 comments 0 points Most recent by Tabra September 2025KLayout Support