Teradata Package for Python Function Reference | 17.10 - z - Teradata Package for Python - Look here for syntax, methods and examples for the functions included in the Teradata Package for Python.

Teradata® Package for Python Function Reference

Product
Teradata Package for Python
Release Number
17.10
Published
April 2022
Language
English (United States)
Last Update
2022-08-19
lifecycle
previous
Product Category
Teradata Vantage
teradataml.geospatial.geodataframecolumn.GeoDataFrameColumn.z
DESCRIPTION:
    Get the Z coordinate of an ST_Point value.
 
PARAMETERS:
    None
 
SUPPORTED GEOMETRY TYPES:
    ST_Point
 
RAISES:
    TypeError, ValueError, TeradataMlException
 
RETURNS:
    GeoDataFrameColumn
 
EXAMPLES:
    from teradataml import GeoDataFrame, load_example_data
    from teradataml import Point, LineString, Polygon
    # Load example data.
    load_example_data("geodataframe", "sample_shapes")
    # Create a GeoDataFrame.
    gdf = GeoDataFrame("sample_shapes")
    gdf = gdf.select(["skey", "points", "linestrings"])[(gdf.points.is_3D == 1) &
    (gdf.points.geom_type == "ST_Point")]
    gdf
 
    # Example 1: Get the Z coordinate of all geometries in column "points".
    gdf.assign(res=gdf.points.z)