calcAnchors: Select anchors pixels for H function
In ffuentesp7/METRICforR: Actual Evapotranspiration with Energy Balance models

Description Usage Arguments Author(s) References

automatically search end members within the satellite scene (extreme wet and dry conditions).

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calcAnchors(image, Ts, LAI, albedo, Z.om, n = 1, aoi,
  anchors.method = "CITRA-MCB", sat = "auto", ESPA = F, plots = TRUE,
  deltaTemp = 5, verbose = FALSE)

`image`	top-of-atmosphere landsat reflectance image
`Ts`	land surface temperature in K. See surfaceTemperature()
`LAI`	rasterLayer with Leaf Area Index. See LAI()
`albedo`	broandband surface albedo. See albedo()
`Z.om`	momentum roughness lenght. See momentumRoughnessLength()
`n`	number of pair of anchors pixels to calculate
`aoi`	area of interest to limit the search. If waterOptions(autoAOI) == TRUE, It'll use aoi object from .GlobalEnv
`anchors.method`	method to select anchor pixels. Currently only "CITRA-MCB" automatic method available.
`sat`	satellite sensor used for NDVI. Can be "L7" or "L8"
`ESPA`	Logical. If TRUE will look for espa.usgs.gov realted products on working folder
`plots`	Logical. If TRUE will plot position of anchors points selected
`deltaTemp`	deltaTemp for method "CITRA-MCB"
`verbose`	Logical. If TRUE will print aditional data to console