SettingsSettings\GeodesyGeodesy\Ellipsoids

Ellipsoids

This shows the list of ellipsoids included in the EPSG data base. It also allows the editing, deletion and creation of new user ellipsoids.

Each line of the list gathers the ellipsoid code and name separated by two points.

 

 

The drop down list of the section Data Source allows EPSG data consultation to be switched to user data and vice versa.

 

 

The Search by section allows the filtering of consultation data by Code and Name. The string to be searched must be entered in the box on the right and the  button pressed. If searching by code, this will only show the result if this same code can be found on the data base, whilst in the search by name, this will show all the ellipsoids whose name contains the string entered.

 

 

By double clicking an ellipsoid on the list its properties are displayed,   Semi-major Axis and Inverse Flattening.

 

 

It allows the creation of new user ellipsoids. The data requested are:

 

 

Code: An alphanumeric string of up to 16 characters is allowed.

Name: An alphanumeric string of up to 64 characters is allowed.

Semi-major Axis: In metres.

Inverse Flattening: In metres.

 

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