compute_ndvi.md•479 B
### compute_ndvi
Compute NDVI from NIR and Red bands and save to GeoTIFF.
- Tool: `compute_ndvi`
Parameters
- source (string): Input raster path/URL
- red_band_index (integer)
- nir_band_index (integer)
- destination (string): Output NDVI path
Returns
- destination, status, message
Example
```json
{
"tool": "compute_ndvi",
"params": {
"source": "data/multiband.tif",
"red_band_index": 3,
"nir_band_index": 4,
"destination": "out/ndvi.tif"
}
}
```