Code Examples

Simple but useful code snippets

Mosaic rasters

R

GEE

Landsat

image-processing

library(terra)

terra 1.8.5

Constrast stretching

R

Landsat

enhancement

Let’s read in a raster and set a color palette to visualize by. This example file is a modified normalized difference water index image within interior Alaska.

Raster manipulation using terra

R

Landsat

image-processing

This R script reads in NDWI images derived the blue-red/blue+red equation, converts them to binary images using a threshold from the literature, and then removes outlier…