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Editorial Team
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Asked: 2026-05-16T14:36:40+00:00

I have a map with locations as shown in the image below. These locations

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I have a map with locations as shown in the image below.

alt text

These locations are held in a C# Dictionary object with both Latitude/Longitude and Cartesian (x, y, z) coordinates. The area is covered by 5 teams, the first of which is in the south west of the area. What I need is to be able to order the points so that the most south westerly point is first – this would be the green ‘3’ marker near Enniskillen on the map. I’ve been trying different approaches but not getting the result I want.

Can anyone explain an approach that would work?

Mark

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1 Answer

  1. Editorial Team

    Assuming you know the Lat / Long of the South West corner of this map, I would calculate the distance of each point from that corner using the Aviation Formulary. Then you just have to sort based on the distance calculated.

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