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Board » Technical Support » Distance to go to finish and ranking

Posted by
Zembu


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2008-12-15 20:58:27
2009-01-01 18:17:22 - Distance to go to finish and ranking
It seems to me that the distance to go shown is the direct great circle distance from boat to finish. I think this is also used in the ranking - i.e if a boat has less distance to go directly it is ranked better than another even though the other is better placed for following the required route. I think it would be better if you could make the "distance to go" the distance by the shortest route following the required course - the rankings calculated on this basis would then be more accurate. This would also sort the problem where - e.g. in the Hobart to Sydney, the initial rankings were nonsense as we had to go South making the distance to go longer, before it could become shorter.
Posted by
jakob


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2007-09-04 10:05:30
2009-01-01 18:37:28 - Re: Distance to go to finish and ranking
We actually do exactly what you ask for but in the Hobart-Sydney race we had some other problems leading to incorrect dtg-calcs. Thanks.
...one of the guys behind the game...
Posted by
Zembu


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2009-01-02 20:57:15 - Re: Distance to go to finish and ranking
Thanks Jacob, I see it is all looking good now.
Posted by
Zembu


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2009-01-29 13:39:25 - Re: Distance to go to finish and ranking
Not so much a reply as a further comment. In the current Antwerpen to Belfast, it seems obvious that the ranking is in connection with closeness to the rhumb line, nothing to do with the route we actually have to follow. Could your ranking have been more accurate if you put at least one waypoint of landsend?
Posted by
Schakel


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2008-12-19 09:19:00
2009-01-29 13:43:11 - Re: Distance to go to finish and ranking
Zembu said @ 2009-01-29 13:39:25:
In the current Antwerpen to Belfast, it seems obvious that the ranking is in connection with closeness to the rhumb line ...
Ranking is based on the time sailing. Look at the Leaderboard at www.sailonline.org/board/show/0/

Philip
Posted by
Schakel


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2009-01-29 13:49:44 - Re: Distance to go to finish and ranking
Clipboard malfunction, let me try that link to the leaderboards again:

http://www.sailonline.org/races/all/

Philip

Posted by
Zembu


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2009-01-29 13:55:24 - Re: Distance to go to finish and ranking
Hi Philip - thanks for that - I had a look as you suggested but do you mean the ranking is based on the most distance travelled per time taken from start for each boat? i.e the average Nautical Miles per hour?

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