PostGIS

summarystats

Prev

12.1. Raster Support Data types

Next

Name

summarystats — A composite type returned by the ST_SummaryStats and ST_SummaryStatsAgg functions.

Description

A composite type returned by the ST_SummaryStats and ST_SummaryStatsAgg functions.

[.term]# `+count +` integer #

Number of pixels counted for the summary statistics.

[.term]# `+sum +` double precision #

Sum of all counted pixel values.

[.term]# `+mean +` double precision #

Arithmetic mean of all counted pixel values.

[.term]# `+stddev +` double precision #

Standard deviation of all counted pixel values.

[.term]# `+min +` double precision #

Minimum value of counted pixel values.

[.term]# `+max +` double precision #

Maximum value of counted pixel values.

See Also