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