XNegative abscissa of a reference point located on the soil line.
Default value0.08
Vegetation
sla * (N - sla * R - slb) / (sla * N + R - sla * slb + X * (1 + sla ** 2.0))VegetationMultispectralN: Near-Infrared (NIR).R: Red.No radar polarizations are used in this index.
XNegative abscissa of a reference point located on the soil line.
slaSoil line slope. N = sla * R + slb (only for soil pixels/measurements).
slbSoil line intercept. N = sla * R + slb (only for soil pixels/measurements).
Index contributed by https://github.com/davemlz on 2021-05-14.