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.