ST_AsText

ST_AsText takes a geometry column and returns the well-known text (WKT) representation of the geometry as a string column.

FunctionSyntax
Pythonas_text(geometry)
SQLst_AsText(geometry)
ScalaasText(geometry)

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

This function implements the OpenGIS Simple Features Implementation Specification for SQL 1.2.1

Examples

PythonPythonSQLScala
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from geoanalytics.sql import functions as ST, Point

df = spark.createDataFrame([(Point(-178, -17),)], ["point"])

df.select(ST.as_text("point").alias("as_text")).show(truncate=False)
Result
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+----------------+
|as_text         |
+----------------+
|POINT (-178 -17)|
+----------------+

Version table

ReleaseNotes

1.0.0

Python and SQL functions introduced

1.5.0

Scala function introduced

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