SR2 Algorithm Specification

SR2

The SR2 operator algorithm computes the Simple Ratio (800 and 550 nm) from a given product.

The SR2 results from the following equation:

SR2 = N / G

, where:

The bands are:

- G is the Green band
- N is the NIR band


SR2-Flags

Also the processor computes an additional flags band called 'sr2_flags' with the following bit coding:

Bit Position Description
Bit 0 The computed value for SR2 is NAN or is Infinite
Bit 1 The computed value for SR2 is less than -1 (minus one)
Bit 2 The computed value for SR2 is greater than 1 (one)