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Plotting a polygon from relative coordinates

Question asked by Sailing_Ed on Oct 12, 2018
Latest reply on Oct 25, 2018 by Hornbydd

Good afternoon all.

I am trying to plot a series of polygons that are regularly updated.

Each polygon is made up of a series of 8 points that are referenced with a range and bearing from a central point that has a location (given in WGS84 DDM2 format). Is there already a tool that exists that will plot a polygon based on points that don’t have individual XY cordiates, only relative to a single point? 

 

Example data below:

Header 1

Central point

40 30.10N

 

005 20.35W

Bearing

Range

001

30

045

35

090

38

135

42.5

180

38

225

30

270

27.65

315

25

 

Any advice or pointers greatly appreciated!!

Ed

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