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Natural Breaks Raster Symbology 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.
Classify and symbolize raster layers with Natural Breaks (Jenks), Equal Interval, or Quantile, with an optional histogram preview.
About
Adds a Processing algorithm that computes class breaks for a raster band using exact Fisher-Jenks Natural Breaks (dynamic programming), Equal Interval, or weighted Quantile methods, then applies a Singleband Pseudocolor (Discrete) renderer using any QGIS color ramp. Large rasters are read at a decimated resolution and summarized into a weighted histogram so the computation stays fast without loading every pixel into memory. An optional histogram preview (requires matplotlib) lets you compare methods and class counts visually before committing to a symbology. Originally built while producing an AHP + GIS flood-hazard map for Samarinda, Indonesia, then generalized into a standalone tool. Co-developed by Muhammad Fatahillah Mubarak together with Claude (Anthropic) as a coding assistant.
| Author | Muhammad Fatahillah Mubarak, with Claude (Anthropic) |
|---|---|
| Downloads | 239 |
| Latest version | 1.0.3 (experimental) |
| Last updated | 2026-08-21 (56 days ago) |
| Min QGIS | 3.18.0 |
| Max QGIS | 3.99.0 |
| QGIS 4 ready | No |
| Maintenance | Active |
| Categories | Cartography & layout, Raster & terrain |
| Tags | raster, symbology, classification, natural breaks, jenks, fisher-jenks, quantile, equal interval, histogram, color ramp, pseudocolor |
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Maintenance: Active = updated within 1 year, Quiet = 1–3 years, Likely abandoned = over 3 years.