summarystats — A composite type returned by the ST_SummaryStats and ST_SummaryStatsAgg functions.
A composite type returned by the ST_SummaryStats and ST_SummaryStatsAgg functions.
count integer Number of pixels counted for the summary statistics.
sum double precision Sum of all counted pixel values.
mean double precision Arithmetic mean of all counted pixel values.
stddev double precision Standard deviation of all counted pixel values.
min double precision Minimum value of counted pixel values.
max double precision Maximum value of counted pixel values.