QSFCGAL - Documentation

Description: This plugin integrates SFCGAL functions into the QGIS Processing toolbox and expressions for advanced spatial analysis. Implementing the SFCGAL library in a QGIS plugin using the pysfcgal wrapper.
Author and contributors: Oslandia
Plugin version: 0.3.0-DEV
QGIS minimum version: 3.40
QGIS maximum version: 3.99
Source code: https://gitlab.com/Oslandia/qgis/qsfcgal
Last documentation update: 03 June 2025

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Usage

• Installation
• Features
• Sponsors

QSFCGAL

• Algorithm
• Straight skeleton
• Convex Hull
• Difference
• Intersection
• Union
• Minkowski sum
• Alphes Shapes
• Optimal Alphes Shapes
• Approximate Medial Axis
• Force LHR
• Force RHR
• Translate
• Translate_3D
• 3D Intersection
• 3D Extrude
• Line sub string
• Straight skeleton
• Extrude polygon straight skeleton

Contribution guide

• Contributing Guidelines
• Development
• Documentation
• Manage translations
• Packaging and deployment
• Testing the plugin
• CHANGELOG