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Edited
Oct 10, 2021
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md`# Calculate Normalized Difference Vegetation Index (NDVI)
Equation:
Source: https://en.wikipedia.org/wiki/Normalized_difference_vegetation_index
`
geoblaze = require('geoblaze')
georaster = geoblaze.load('https://s3.amazonaws.com/geoblaze/color_infrared_dir_st_louis.tif')
georaster.toCanvas({ width: 500, height: 500 })
ndvi = geoblaze.bandArithmetic(georaster, '(a - b) / (a + b)');
ndvi.toCanvas({ width: 500, height: 500 })
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