st_contour
How PostGIS Raster runs Contour: st_contour.
| Engine | PostGIS Raster |
|---|---|
| Tool name | st_contour |
| Interface | sql |
| Implements | Contour |
| Documentation | Not stated |
| Effects | modifies input: no, network: no |
| Notes | Not stated |
| Status | active |
Parameters
| Name | Type | Required | Default | Choices | Note |
|---|---|---|---|---|---|
rast | raster | no | Not stated | Not stated | Not stated |
bandnumber | integer | no | 1 | Not stated | Not stated |
level_interval | double precision | no | 100.0 | Not stated | Not stated |
level_base | double precision | no | 0.0 | Not stated | Not stated |
fixed_levels | double precision[] | no | ARRAY[]::double precision[] | Not stated | Not stated |
polygonize | boolean | no | false | Not stated | Not stated |
SQL overloads
-
st_contour(rast raster, bandnumber integer DEFAULT 1, level_interval double precision DEFAULT 100.0, level_base double precision DEFAULT 0.0, fixed_levels double precision[] DEFAULT ARRAY[]::double precision[], polygonize boolean DEFAULT false) → TABLE(geom geometry, id integer, value double precision)
How it maps to the operation
| Operation parameter | Parameter here | Note |
|---|---|---|
raster | rast | Not stated |
interval | level_interval | Not stated |
base | level_base | Not stated |
band | bandnumber | Not stated |
field | Not stated | Returns rows of (geom, id, value); value is the level. |
Differences from the operation
None noted
Harvested by the postgis harvester from engine version
3.7.0. Names can change when an engine is harvested again.