RS_Subtract

Subtract two spectral bands in a Geotiff image(band2 - band1)

Signatures

RS_Subtract (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 subtractDF = spark.sql("select RS_Subtract(band1, band2) as differenceOfOfBands from dataframe")

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