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Growth Region QGIS 4 compatibility
Not QGIS 4 ready Active
Not yet — the latest version declares max QGIS version 3.99.0, so it is not offered to QGIS 4 users.
Plugin to convert a seed-based raster segmentation (Region Growing) into a vector polygon, with options for geoprocessing overlay (Add, Difference, Clip, or Union).
About
This plugin creates a raster region using a point clicked on the image, known as a seed. The region starts at the seed and expands by comparing the seed's RGB values with those of neighboring pixels. If the difference in values is less than a defined threshold (for each channel), the region grows. Once the region is defined, a polygon is created. The user can then choose the vector operation to be performed with this polygon on the active vector layer: Add, Difference, Clip, or Union. This plugin is part of the Brazilian Fire Information System (Sisfogo), develop by National Center to Prevent and Combat Forest fires (Prevfogo/Ibama). Documentation: <a href="https://raw.githubusercontent.com/lmotta/growth_region/refs/heads/main/doc/growth_region_en.pdf">English</a> <a href="https://raw.githubusercontent.com/lmotta/growth_region/refs/heads/main/doc/growth_region_pt.pdf">Portuguese</a> <a href="https://raw.githubusercontent.com/lmotta/growth_region/refs/heads/main/doc/growth_region_es.pdf">Spanish</a>
| Author | Luiz Motta |
|---|---|
| Downloads | 912 |
| Latest version | 0.2 (experimental) |
| Last updated | 2025-10-26 (354 days ago) |
| Min QGIS | 3.40.0 |
| Max QGIS | 3.99.0 |
| QGIS 4 ready | No |
| Maintenance | Active |
| Category | Vector tools |
| Tags | polygon, region, sisfogo, prevfogo |
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Maintenance: Active = updated within 1 year, Quiet = 1–3 years, Likely abandoned = over 3 years.