RS_NormalizedDifference

Returns Normalized Difference between two bands(band2 and band1) in a Geotiff image(example: NDVI, NDBI)

Signatures

RS_NormalizedDifference (Band1: ARRAY[Double], Band2: ARRAY[Double])

Band1

ARRAY[Double]

required

The first spectral band.

Band2

ARRAY[Double]

required

The second spectral band.

An array of double values.

val normalizedDF = spark.sql("select RS_NormalizedDifference(band1, band2) as normdifference from dataframe")

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