Re: How to average images with clouds and ignore these cloud pixels?
Posted: Mon Feb 13, 2023 10:43 am America/New_York
Thanks George for pointing out the difference between the average of geophysical parameters and the math average.
Hope I get it right this time --
((chlor_a_M >= 0.0 ? chlor_a_M : 0) +(
chlor_a_D0 >= 0.0 ? chlor_a_D0 : 0) +
(chlor_a_D1 >= 0.0 ? chlor_a_D1 : 0)) /
(((chlor_a_M >= 0.0 ? 1 : 0) +
(chlor_a_D0 >= 0.0 ? 1 : 0) +
(chlor_a_D1 >= 0.0 ? 1 : 0))
If you do Math Band after collocation.
(($1.chlor_a >= 0.0 ? $1.chlor_a : 0) +
($2.chlor_a >= 0.0 ? $2.chlor_a : 0) +
($3.chlor_a >= 0.0 ? $3.chlor_a : 0)) /
(($1.chlor_a >= 0.0 ? 1 : 0) +
($2.chlor_a >= 0.0 ? 1 : 0) +
($3.chlor_a >= 0.0 ? 1 : 0))
if you do Math Band directly on the three bands.
Hope I get it right this time --
((chlor_a_M >= 0.0 ? chlor_a_M : 0) +(
chlor_a_D0 >= 0.0 ? chlor_a_D0 : 0) +
(chlor_a_D1 >= 0.0 ? chlor_a_D1 : 0)) /
(((chlor_a_M >= 0.0 ? 1 : 0) +
(chlor_a_D0 >= 0.0 ? 1 : 0) +
(chlor_a_D1 >= 0.0 ? 1 : 0))
If you do Math Band after collocation.
(($1.chlor_a >= 0.0 ? $1.chlor_a : 0) +
($2.chlor_a >= 0.0 ? $2.chlor_a : 0) +
($3.chlor_a >= 0.0 ? $3.chlor_a : 0)) /
(($1.chlor_a >= 0.0 ? 1 : 0) +
($2.chlor_a >= 0.0 ? 1 : 0) +
($3.chlor_a >= 0.0 ? 1 : 0))
if you do Math Band directly on the three bands.