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Name	pererik
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2008-03-29 22:04:19

DTG and leaderboard

Board » General Discussion

From Jakob I understood the distance (DTG) calculation as the following; The distance no next rounding is calculated as the shortest distance from where the boat is to the line (bisector) straight out from the WP. From that point the distance straight to the next actual WP (not to a point on the line from that WP) is added and then the distance from WP to WP to goal. This means that DTG can actually increase at a rounding because as for Cabo San Lucas in the "route for gold", when passing the Cabo San Lucas rounding line, the next rounding is moved from the Big Sur WP out in the ocean to the closest point on the line. And then the DTG increases because the distance from the rounding line point to goal has increased.

The "correct" way would probably be to keep calculating to the closest points on the rounding lines all the way to goal but that would consume too much computer power according to Jakob.

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