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
• DRC scripts, reports and parallelism

  109 views 4 comments 0 points Most recent by Scafir February 2Verification
• Confusion about mouse_button_pressed_event vs mouse_button_released_event vs mouse_moved_event

  45 views 2 comments 0 points Most recent by taylorn February 2Verification
• Copy paste

  25 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
• Dark mode

  2K views 3 comments 0 points Most recent by OmegaLeon January 30Ruby Scripting
• LVS RuntimeError: "Terminal still connected after removing device"

  27 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

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

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

  110 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

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

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

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

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

  419 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
• Trace path bugfix #2201 now causes trace net to fail?

  119 views 6 comments 0 points Most recent by footang December 2025KLayout Support
• 'smoothening' jagged edges of a curved line

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

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

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

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

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

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

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

  175 views 7 comments 0 points Most recent by Matthias December 2025Python scripting
• How to use “demofab_klayout_colors.lyp”

  74 views 2 comments 0 points Most recent by zakaria December 2025Help wanted, Jobs wanted
• Package's templates

  101 views 4 comments 0 points Most recent by gwondaleya November 2025General
• Extracting device coordinates and obtaining unreduced netlists for Matching/LDE Analysis

  58 views 2 comments 0 points Most recent by Matthias November 2025Verification
• ERROR: Signal number: 11 Address: 0x0 Program Version: KLayout 0.28.12 (2023-09-12 r8212b7c)

  435 views 26 comments 0 points Most recent by Matthias November 2025KLayout Development