# Generated by scripts/sync_indices.py from Awesome Spectral Indices (MIT).
# DO NOT EDIT BY HAND. Edit overlays (_asi_*.yaml, _folia_*.yaml) and re-run.
# Spec: docs/spec/SPECTRAL_INDICES.md
slug: snirvndpi
name: SWIR-enhanced Near-Infrared Reflectance of Vegetation for NDPI
short_name: sNIRvNDPI
formula: (N - (alpha * R + (1.0 - alpha) * S2))/(N + (alpha * R + (1.0 - alpha) * S2)) * N
bands:
- N
- R
- S2
constants:
- alpha
domain: vegetation
theme: vegetation
concepts: []
rank: null
display:
  colormap: rdylgn
  range:
  - -0.2
  - 0.9
references:
- url: https://doi.org/10.1029/2024JG008240
date_of_addition: '2024-05-16'
contributor: https://github.com/davemlz
platforms:
- Sentinel-2
- Landsat-OLI
- Landsat-TM
- Landsat-ETM+
- MODIS
source:
  authority: awesome-spectral-indices
  commit_sha: 7f28d3fe68af1287f7449faf0685659e73197212
  upstream_id: sNIRvNDPI
match_tags:
- enhanced
- for
- infrared
- n
- ndpi
- near
- r
- reflectance
- s2
- swir
- vegetation
status: stable