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| |
| # ST_ZMax |
| |
| Introduction: Returns Z maxima of the given geometry or null if there is no Z coordinate. |
| |
|  |
| |
| Format: `ST_ZMax(geom: Geometry)` |
| |
| Return type: `Double` |
| |
| Since: `v1.3.1` |
| |
| SQL Example |
| |
| ```sql |
| SELECT ST_ZMax(ST_GeomFromText('POLYGON((0 0 1, 1 1 1, 1 2 1, 1 1 1, 0 0 1))')) |
| ``` |
| |
| Output: |
| |
| ``` |
| 1.0 |
| ``` |