KLayout Forum

Discussion List

• FOR NEW APPLICANTS: you will need to do better than ChatGPT

  Announcement Closed 5.6K views 1 comment 0 points Started by klayoutadmin December 2015 General
• Confusion about mouse_button_pressed_event vs mouse_button_released_event vs mouse_moved_event

  95 views 7 comments 0 points Most recent by Matthias February 12Verification
• Hide markers frames

  30 views 1 comment 0 points Most recent by Matthias February 12KLayout Support
• Macro for L/S

  12 views 0 comments 0 points Started by Ajaymoreb February 12 Python scripting
• How to run a plugin in a secondary LayoutViewWidget

  31 views 2 comments 0 points Most recent by taylorn February 10Python scripting
• How to finding if a point lies inside a specified layer.

  611 views 13 comments 0 points Most recent by Matthias February 8Python scripting
• Trace path bugfix #2201 now causes trace net to fail?

  141 views 8 comments 0 points Most recent by Matthias February 8KLayout Support
• Dark mode

  2.1K views 4 comments 0 points Most recent by EugeneZelenko February 4Ruby Scripting
• DRC scripts, reports and parallelism

  129 views 4 comments 0 points Most recent by Scafir February 2Verification
• Copy paste

  35 views 1 comment 0 points Most recent by Matthias February 1General
• Making an array of cells using python

  1.3K views 6 comments 0 points Most recent by CreatedByCreator January 31Python scripting
• LVS RuntimeError: "Terminal still connected after removing device"

  29 views 1 comment 0 points Most recent by Matthias January 29Verification
• Can we automate the process of merging layers?

  2.1K views 10 comments 0 points Most recent by thangzero January 24Ruby Scripting
• Drag objects with a single click

  75 views 4 comments 0 points Most recent by Tabra January 20KLayout Development
• Hide "editor options" box in klayout

  77 views 3 comments 0 points Most recent by dick_freebird January 19General
• DRC: get centerline of selected edges

  116 views 7 comments 0 points Most recent by Matthias January 15Verification
• KLayout Keyboard Shortcuts

  6.6K views 7 comments 0 points Most recent by thangzero January 13General
• Feasibility and Approach for Opening GDSII Files in KLayout via Plugin

  137 views 6 comments 0 points Most recent by sekigawa January 12KLayout Development
• Antenna check using 'evaluate_nets'

  74 views 6 comments 0 points Most recent by mole99 January 11Verification
• Modifying PCell parameters

  61 views 1 comment 0 points Most recent by Matthias December 2025KLayout Support
• KLayout DRC .space() algorithm

  87 views 2 comments 0 points Most recent by katherine December 2025KLayout Development
• Image to layout alignment using 3 landmarks registrartion

  421 views 4 comments 0 points Most recent by Matthias December 2025Python scripting
• Want to Open a Custom Extension File from Klayout

  73 views 3 comments 0 points Most recent by Matthias December 2025General
• 'smoothening' jagged edges of a curved line

  109 views 3 comments 0 points Most recent by Matthias December 2025General
• switch layouts but without losing the handle

  108 views 7 comments 0 points Most recent by Matthias December 2025Python scripting
• Ruby macro changes in editor not showing up when running

  35 views 1 comment 0 points Most recent by Matthias December 2025Ruby Scripting
• Bug report: Trying to insert Text on a hidden layer causes crash

  60 views 1 comment 0 points Most recent by Matthias December 2025General
• ERROR ON XSECTION - KLAYOUT 0.29.0

  68 views 3 comments 0 points Most recent by Matthias December 2025KLayout Support
• Accessing "List of Landmarks" from Image import GUI

  53 views 3 comments 0 points Most recent by LeoTrois December 2025Python scripting
• Discontinuities while drawing curves on Nazca

  61 views 2 comments 0 points Most recent by sekigawa December 2025Help wanted, Jobs wanted
• Python thread safety (3.14 freethreading)

  178 views 7 comments 0 points Most recent by Matthias December 2025Python scripting