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The points.xml file is used define fixed point elements which can be used in maps instead of <point> elements based on latitude/longitude or cartesian x,y coordinates. These are especially useful when drawing airways or specific procedures based on waypoints (sid, star, loa information, etc…) (See also Point references
If cartesian X/Y attribute values are used, the point is calculated using the <origin> given in the FIR configuration file (config.fir). The format of the latitude/longitude values is Zdddmmsssss where:
The following is also valid: lon=“W0033535” → W003:35:35.000
<points> <point id="REMBA" lat="N0503944000" lon="E0045451000"/> </points>
Use predefined point elements in **points.xml** for often used coordinates in map drawing to make your map files more readable.