Plugin CrownVisualizer

🌳 Introducing the Treesta Crown Visualizer Plugin for QGIS

We’re excited to announce the release of the Treesta Crown Visualizer – a brand-new QGIS plugin designed to visualize tree crown dimensions in a precise and intuitive way.

🍃 What does it do?

The plugin generates realistic crown polygons based on directional radiuses data for each tree. Many urban forestry datasets record crown radiuses toward the four cardinal directions (North, East, South, West). This plugin takes that data and uses cosine-based smoothing to interpolate the crown shape between those directions.

The result: natural-looking crown outlines, even with minimal input data.

🛠️ How it works

  1. Select your tree point layer
    The layer must contain crown diameter values in four directions. Default field names are:
    • crown_radius_1 (North)
    • crown_radius_2 (East)
    • crown_radius_3 (South)
    • crown_radius_4 (West)
  2. Assign the correct fields
    You can adjust field selection in the plugin GUI.
  3. Choose a target CRS
    The output needs to be generated in a projected coordinate system with meters as units (e.g. UTM zones like EPSG:25832). The plugin checks for this and warns if a geographic CRS is selected.
  4. (Optional) Select features
    If you pre-select trees in the layer, only those will be processed. Otherwise, the entire layer is used.
  5. Run the plugin
    A new memory layer named “Crown” is added to your project, showing one crown polygon per tree.
Turn this…
…into this!

📥 How to install

The plugin is available in the official QGIS Plugin Repository.

To install it:

  1. Open QGIS
  2. Go to Plugins → Manage and Install Plugins…
  3. Search for Treesta Crown Visualizer
  4. Click Install

Once installed, the plugin can be found in the plugin toolbar or via Plugins → Treesta Tools → Treesta Crown Visualizer

📌 Why this plugin?

Whether you’re preparing visual reports, working on urban forest planning, or simply want a clearer view of crown extent based on field data – Treesta Crown Visualizer helps you create data-driven crown geometry in just a few clicks.

🚀 Get Started

Try it out and let us know what you think! Feedback and suggestions are always welcome.

URLs
https://plugins.qgis.org/plugins/treesta_crown_visualizer/
https://github.com/baumsicht/crown_visualizer/