ST_MultiPoint takes an array column and returns a multipoint column. The input array column must contain an array of point geometries.
| Function | Syntax |
|---|---|
| Python | multipoint(points) |
| SQL | ST |
| Scala | multipoint(points) |
For more details, go to the GeoAnalytics Engine API reference for multipoint.
This function implements the OpenGIS Simple Features Implementation Specification for SQL 1.2.1.
Examples
from geoanalytics.sql import functions as ST, Point
from pyspark.sql import functions as F
df = spark.createDataFrame([([Point(0, 0), Point(10, 0), Point(20, 0)], )], ["point_array"])
df.select(ST.multipoint("point_array").alias("multipoint")).show(truncate=False)Result
+--------------------------------+
|multipoint |
+--------------------------------+
|{"points":[[0,0],[10,0],[20,0]]}|
+--------------------------------+Version table
| Release | Notes |
|---|---|
1.0.0 | Python and SQL functions introduced |
1.5.0 | Scala function introduced |