QGIS/resources/function_help/json/z

{
  "name": "z",
  "type": "function",
  "groups": ["GeometryGroup"],
  "description": "Returns the z coordinate of a point geometry, or NULL if the geometry has no z value.",
  "arguments": [ {"arg":"geometry","description":"a point geometry"}],
  "examples": [ { "expression":"z( geom_from_wkt( 'POINTZ(2 5 7)' ) )", "returns":"7"}
  ]
}
[expressions] Allow make_point to accept z/m values, add new make_point_m for creation of PointM geometries. Also add m(point) and z(point) functions for retrieving z/m value of a point or node. 2015-11-06 20:09:13 +11:00			`{`
			`"name": "z",`
			`"type": "function",`
Add groups to function_help files 2020-07-02 01:46:48 +01:00			`"groups": ["GeometryGroup"],`
Harmonize NULL spelling in function help 2020-07-29 08:51:06 +02:00			`"description": "Returns the z coordinate of a point geometry, or NULL if the geometry has no z value.",`
Replace geom parameter with geometry, for harmonization 2020-07-29 17:39:43 +02:00			`"arguments": [ {"arg":"geometry","description":"a point geometry"}],`
[expressions] Allow make_point to accept z/m values, add new make_point_m for creation of PointM geometries. Also add m(point) and z(point) functions for retrieving z/m value of a point or node. 2015-11-06 20:09:13 +11:00			`"examples": [ { "expression":"z( geom_from_wkt( 'POINTZ(2 5 7)' ) )", "returns":"7"}`
			`]`
			`}`