qgis-edge-bundling
A QGIS Processing toolbox plugin implementing force-directed edge bundling to visualize origin-destination flows.
Overview
QGIS Edge Bundling is a plugin for the QGIS Processing toolbox that implements force-directed edge bundling algorithms to visualize origin-destination flow data. It helps untangle complex networks of movement data, such as migration patterns or transportation flows, by grouping similar paths together to create clearer, more interpretable flow maps.
Key Features
- Force-Directed Edge Bundling — Applies physical simulation principles to bundle similar flow lines together, reducing visual clutter.
- Clustering Pre-processing — Includes optional clustering algorithms to group origin-destination lines before bundling for improved performance.
- Flow Summarization — Provides a summarization tool to aggregate bundled results for analysis.
- Multi-domain Examples — Demonstrated with diverse datasets including bird migration, US migration, Vienna traffic, and flight routes.
Philosophy
The plugin is designed to make advanced flow visualization techniques accessible directly within QGIS, following academic research on effective geographic information visualization.
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