Editing User Guide (section)

==Preferences Panel==
===GUI coordinate system===
[[Image:Fanomos7.png |left|32px]]

Fanomos uses a fixed internal coordinate system used for all calculations. This cannot be changed by the user and depends on the initial installation. Besides this the user can choose in which coordinate system the GUI will represent the data.
Some coordinate system also have a several representation forms within the chosen coordinate system. The preview label will show the current selected system.

[[Image:GUICoordinateSystem.png |top|300px]]

Currently following systems are available;


*  RD - Rijksdriehoek system https://nl.wikipedia.org/wiki/Rijksdriehoeksco%C3%B6rdinaten
*  UTM (DFS) - UTM system, DFS https://en.wikipedia.org/wiki/Universal_Transverse_Mercator_coordinate_system
*  UTM - not fully operational
*  WGS84 (deg) - Lat/Lon system https://en.wikipedia.org/wiki/World_Geodetic_System#WGS84
*  EPSG 3857 - Web Mercator system https://en.wikipedia.org/wiki/Web_Mercator_projection
*  ECEF - Earth-centered, Earth-fixed system https://en.wikipedia.org/wiki/Earth-centered,_Earth-fixed_coordinate_system