KLayout Forum

Discussion List

• Klayout impoprt multi-GDS

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

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

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

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

  76 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

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

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

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

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

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

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

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

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

  165 views 5 comments 0 points Most recent by Tabra September 2025KLayout Support
• Inconsistent resizing operation

  60 views 2 comments 0 points Most recent by Tabra September 2025KLayout Support
• fill multiorigin and manufacturing grid

  315 views 5 comments 0 points Most recent by Matthias September 2025Ruby Scripting
• Design / Library Management

  1.3K views 6 comments 0 points Most recent by kurisu September 2025Layout
• Trace net export with XML post-processing

  81 views 2 comments 0 points Most recent by dixit September 2025Python scripting
• Your mail may not reach me

  69 views 0 comments 0 points Started by Matthias September 2025 General
• Klayout version update.

  156 views 3 comments 0 points Most recent by Matthias September 2025Ruby Scripting
• install klayout_pyxs for Xsection on Windows

  135 views 0 comments 0 points Started by sciencezhu September 2025 Help wanted, Jobs wanted
• Optimizing Shape Movement Between Cells

  47 views 1 comment 0 points Most recent by Matthias August 2025KLayout Development
• Programmatic LayoutToNetlist with "flat" mode

  110 views 5 comments 0 points Most recent by Tabra August 2025KLayout Support
• Multi-step OASIS stream file writer

  441 views 4 comments 0 points Most recent by dion August 2025Python scripting
• XSection Loops/User Defined Process Blocks

  69 views 4 comments 0 points Most recent by CreatedByCreator August 2025KLayout Support
• Multiple redundant callback triggers in the PyCell creation,update flow

  66 views 2 comments 0 points Most recent by charavan August 2025KLayout Support
• maximum number of threads in DRC and LVS scripts

  86 views 1 comment 0 points Most recent by Matthias August 2025Verification
• Metal was not cut to small like expect when use RNetExtractor

  57 views 2 comments 0 points Most recent by Matthias August 2025Layout
• Cursor grid snapping

  401 views 6 comments 0 points Most recent by mpee August 2025KLayout Development
• DRC - Comparison of widths of the largest areas of shapes in the two layers

  178 views 4 comments 0 points Most recent by laurent_c August 2025Python scripting