ST_Is3D

ST_Is3D takes a geometry column and returns a boolean column. The function returns True if the geometry is three-dimensional; otherwise, it returns False. The geometry is considered three-dimensional if it has x,y,z coordinates.

Function	Syntax
Python	`is_3d(geometry)`
SQL	`ST_Is3D(geometry)`

For more details, go to the GeoAnalytics Engine API reference for is_3d.

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

Examples

Python

SQL

Use dark colors for code blocksCopy
from geoanalytics.sql import functions as ST, Point

data = [
    (Point(10,12,4), ),
    (Point(10,12), )
]

df = spark.createDataFrame(data, ["point"])

df.select(ST.is_3d("point").alias("is_3d")).show()

Result
Use dark colors for code blocksCopy
+-----+
|is_3d|
+-----+
| true|
|false|
+-----+

Version table

Release	Notes
1.0.0	Function introduced

SQL functions
Data sources
Coordinate systems and transformations

ST_Is3D

Examples

Version table

Related topics