ST_GeomFromGeoJSON

ST_GeomFromGeoJSON takes a string column and returns a geometry column. The input string column must contain the GeoJSON representation of geometries. You can optionally specify a spatial reference for the result geometry column. The sr parameter value must be a valid SRID or WKT string. Any spatial reference ID defined in the input GeoJSON strings will not be used.

This function should only be used when you don't know the geometry type represented by the input column or when the input column contains more than one geometry type. In other cases, use the function specific to the geometry type of your input data (i.e. ST_PointFromGeoJSON, ST_LineFromGeoJSON, ST_MPointFromGeoJSON, or ST_PolyFromGeoJSON).

FunctionSyntax
Pythongeom_from_geojson(json_str,sr=None)
SQLST_GeomFromGeoJson(json_str,sr)
ScalageomFromGeojson(json,sr)

For more details, go to the GeoAnalytics Engine API reference for geom_from_geojson.

Examples

PythonPythonSQLScala
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from geoanalytics.sql import functions as ST

point_geojson = '{"type": "Point","coordinates": [-7472618.18,5189924.02]}'
line_geojson = '{"type": "LineString","coordinates": [[-7489594.84,5178779.67],[-7474281.07,5176558.51],[-7465977.43,5179778.83]]}'

df = spark.createDataFrame([(point_geojson,),(line_geojson,)],["geojson"])

df.select(ST.geom_from_geojson("geojson", sr=8857).alias("geom_from_geojson")).show(truncate=False)
Result
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+----------------------------------------------------------------------------------------+
|geom_from_geojson                                                                       |
+----------------------------------------------------------------------------------------+
|{"x":-7472618.18,"y":5189924.02}                                                        |
|{"paths":[[[-7489594.84,5178779.67],[-7474281.07,5176558.51],[-7465977.43,5179778.83]]]}|
+----------------------------------------------------------------------------------------+

Version table

ReleaseNotes

1.0.0

Python and SQL functions introduced

1.5.0

Scala function introduced

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