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Layout API

Introduction

Welcome Preface

Getting Started

Getting started Core concepts

Building Layouts

Placement Routing Route profiles Bookmarks Registry and physical test manifests

Working with PDKs

Working with PDKs Packages and project environments

Cookbook

Agent Workflows

Working with Phoebe

Reference & appendices

Cheat sheet Errors & warnings Glossary API reference

PDK authoring

Introduction

Welcome Preface

Anatomy

Anatomy of a PDK

Building blocks

Layers and design rules The physical stack Route profiles Components Layer transitions

Packaging & distribution

Packaging - the .lumpdk format Publishing Standard PDK checks and inspection artifacts

Cookbook

Cookbook - a minimal PDK from scratch

Reference & appendices

Manifest schema Glossary API reference

Validation

Introduction

Lumicron Validation API Conventional DRC Semantic DFX Results and applicability

Reference & appendices

Explore

Examples & recipes API reference Offline guides

Documentation editionOctober 2026Python API · Lumicron for Mac

Documentation/API reference/Layout API/lm.gdscell

lm.gdscell

Decorate an executable GDS-backed factory, with PCell parameters.

lm.gdscell(fn=None, *, symbol: 'str | None' = None, schematic: 'bool' = True)

Documentation edition · 6 October 2026Suggest an improvement ↗

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