Hi all,<br><br>Not a GDAL question at all, but one which might amuse some of you, and which has been unsolveable in a satisfactory fashion for me.<br><br>Given a list of compass headings in degrees, how can you reliably calculate the total change in direction?<br>
<br>Here's an example: [355.5, 10.0, 5.1]<br><br>This seemed like a simple thing to figure out, but seems to be more complicated than I had originally thought.<br><br>Roger<br>--<br>