ST_MPointFromEsriJSON

ST_MPointFromEsriJSON takes a string column and returns a multipoint column. The input string column must contain the Esri JSON representation of multipoint geometries. You can optionally specify a spatial reference for the result multipoint column. The sr parameter value must be a valid SRID or WKT string. Any SRID defined in the input strings will not be used. If a multipoint cannot be created from the input string the function will return null.

FunctionSyntax
Pythonmpoint_from_esri_json(json_str,sr=None)
SQLST_MPointFromEsriJson(json_str,sr)
ScalamPointFromEsriJson(json,sr)

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

Examples

PythonPythonSQLScala
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from geoanalytics.sql import functions as ST

mpoint_esri_json = '{"points": [[1.231,6.149],[1.230,6.149],[1.240,6.152],[1.242,6.153]]}'

df = spark.createDataFrame([(mpoint_esri_json, )], ["esri_json"])

df.select(ST.mpoint_from_esri_json("esri_json", sr=4326).alias("mpoint_from_esri_json")).show(truncate=False)
Result
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+------------------------------------------------------------------+
|mpoint_from_esri_json                                             |
+------------------------------------------------------------------+
|{"points":[[1.231,6.149],[1.23,6.149],[1.24,6.152],[1.242,6.153]]}|
+------------------------------------------------------------------+

Version table

ReleaseNotes

1.0.0

Python and SQL functions introduced

1.5.0

Scala function introduced

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