ndvi: ndvi

In RichardLemoine/LSTtools: LSTtools: An R package to process thermal data derived from Landsat and MODIS images

Description

Compute the Normalized Difference Vegetation Index (NDVI).

Usage

ndvi(x, y)

Arguments

x	NIR band.
y	Red band.

Details

Compute the Normalized Difference Vegetation index (NDVI) employing the surface reflectance NIR and Red bands of a satellite image.

Value

NDVI values ranging from -1 to 1.

References

Rouse, J.W., R.H. Haas, J.A. Schell, and D.W. Deering. (1974). Monitoring vegetation systems in the Great Plains with ERTS, In: S.C. Freden, E.P. Mercanti, and M. Becker (eds) Third Earth Resources Technology Satellite-1 Syposium. Volume I: Technical Presentations, NASA SP-351, NASA, Washington, D.C., pp. 309-317.

Examples

## Not run: # For Landsat 8 bands
ndviind <- ndvi(B5, B4)
## End(Not run)

RichardLemoine/LSTtools documentation built on Oct. 19, 2020, 12:50 a.m.