Vegetation Health Module
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Vegetation Health
Section titled “Vegetation Health”The Vegetation Health Module (formerly known as Crop Health / Vegetation Prime) provides real-time processing of satellite imagery to compute biophysical indices (NDVI, EVI, MSAVI) over NGSI-LD AgriParcel entities.
Features
Section titled “Features”- Automated Ingestion: Connects directly to satellite data providers (e.g., Copernicus, Sentinel).
- Index Calculation: Computes Normalized Difference Vegetation Index (NDVI) and other spectral models.
- Time-Series Storage: Routes temporal variations into the platform’s TimescaleDB via Apache Arrow IPC.
- 3D Visualization: Generates color-mapped raster overlays directly onto the CesiumJS globe on the frontend.
Architecture
Section titled “Architecture”This module follows the standard Nekazari IIFE architecture:
- Frontend: Bundled as
nekazari-module.jsand served statically via MinIO. Registered dynamically at runtime. - Backend: Python-based API (FastAPI) responsible for triggering the worker pipelines.
- Workers: Celery/RabbitMQ based workers that download heavy TIF files and compute matrices via
rasterioandnumpy.