ERROR
When performing a Project operation on a Geometry Service from REST:
ArcGIS REST Services Directory Home > services > Utilities > Geometry (GeometryServer) > project,
the following error may be encountered:
"Invalid or missing parameters."
Some examples are shown in the following images:
One cause of this may be the formatting of the Geometries parameter. This parameter should be completed with an array of the geometries to be projected. The structure of each geometry in the array is the same as the structure of the JSON geometry objects returned by the ArcGIS REST API. For reference, see, the ArcGIS REST APIs documentation: JSON geometry objects.
Use the JSON Geometry objects and Geometries parameter documentation to make sure that the array is formatted correctly, based on the type of geometry.
The following example shows the formatting for the 3D esriGeometryPoint type:
{ "x": -118.15, "y": 33.80, "z": 10.0, "spatialReference": { "wkid": 4326 } }
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