PostGIS
Name
ST_MinDist4ma — Raster processing function that returns the minimum distance (in number of pixels) between the pixel of interest and a neighboring pixel with value.
Synopsis
+double precision +
ST_MinDist4ma
(+`double precision[][][]
`+value
, integer[][] pos
, text[] VARIADIC userargs`
)`;
Description
Return the shortest distance (in number of pixels) between the pixel of interest and the closest pixel with value in the neighborhood.
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Availability: 2.1.0