KLayout Forum

Discussion List

• Red alert: KLayout Package Manager will stop working beginning of 2024 with GitHub-hosted packages

  1.5K views 15 comments 0 points Most recent by Matthias April 2025General
• How to read polygons from GDS into numpy arrays?

  335 views 1 comment 0 points Most recent by sekigawa April 2025KLayout Support
• Shapes object cannot be garbage collected

  196 views 4 comments 0 points Most recent by Matthias April 2025Ruby Scripting
• xSection: Line of Sight, Negative Angle Etch etc

  435 views 3 comments 0 points Most recent by r_user_ant April 2025Ruby Scripting
• Using two separate lyp files simultaneously

  136 views 3 comments 0 points Most recent by dick_freebird April 2025KLayout Support
• Error Message CenterRuler plugin (update from 0.28.xx to 0.29.12)

  105 views 2 comments 0 points Most recent by Sepbe April 2025KLayout Support
• DRC on current window range.

  146 views 2 comments 0 points Most recent by jiunnweiyeh April 2025KLayout Support
• question about min area drc check

  222 views 1 comment 0 points Most recent by Matthias April 2025Python scripting
• How to use different fonts in pcell

  374 views 1 comment 0 points Most recent by Matthias March 2025General
• import numpy

  7.7K views 23 comments 0 points Most recent by sekigawa March 2025Python scripting
• rasterize() to output 408.24 µm field as 1080BMP, 0.378 µm line became 2 pixels instead of 1 pixel

  325 views 7 comments 0 points Most recent by Matthias March 2025Python scripting
• The issue caused by changing the DPI when using rasterize() to convert a DXF to a BMP.

  114 views 1 comment 0 points Most recent by Matthias March 2025Python scripting
• The same rendering area produces different images

  203 views 8 comments 0 points Most recent by leo_cy March 2025Python scripting
• Combining designs (DEF -> GDS) ends up with lots of duplicate polygons

  232 views 5 comments 0 points Most recent by Matthias March 2025Python scripting
• QR Code PCell

  1.1K views 28 comments 0 points Most recent by Matthias March 2025General
• ImportError: cannot import name 'Qt' from 'pya' (/../lib/python3.8/site-packages/pya/__init__.py)

  236 views 6 comments 0 points Most recent by mole99 March 2025Python scripting
• Extract different devices with a single extractor

  176 views 3 comments 0 points Most recent by mole99 March 2025Verification
• Bug in macro shortcut keys?

  131 views 3 comments 0 points Most recent by Matthias March 2025General
• [newbie] select instances by rotation angle

  174 views 4 comments 0 points Most recent by Clod March 2025General
• Possible regression in DRC: with_density influences join operation

  181 views 4 comments 0 points Most recent by akrinke March 2025Verification
• Select layer connected to other layer

  225 views 8 comments 0 points Most recent by Matthias February 2025Verification
• How do I use goto position in script for batch coordinate?

  154 views 3 comments 0 points Most recent by Matthias February 2025Ruby Scripting
• DRC - Touching edges on the same layer

  300 views 5 comments 0 points Most recent by Matthias February 2025KLayout Development
• Converting OASIS file to PNG image file

  613 views 19 comments 0 points Most recent by sekigawa February 2025KLayout Support
• Select a cell and change layer

  3.5K views 7 comments 0 points Most recent by evahsmith February 2025Ruby Scripting
• Basic.TEXT --> Convert To Static: Cell Naming

  264 views 7 comments 0 points Most recent by Matthias February 2025KLayout Development
• Copy Cell from another layout.

  258 views 3 comments 0 points Most recent by Matthias February 2025KLayout Support
• Merging Polygons with Holes introduces cut lines that are offgrid

  268 views 3 comments 0 points Most recent by Matthias February 2025Python scripting
• DRC abutting edges.

  241 views 4 comments 0 points Most recent by kareemfarid February 2025Verification
• QT error when compiling my klayout based python script into binary

  273 views 2 comments 0 points Most recent by Ege_Bey February 2025Python scripting