Post by iconPost by pcayrol | 2009-08-09 | 00:40:14

Hello,

Sorry but I don't understand the meanings of Predicted Tracks Duration ?

Someone can explains to me in details this fonctionalty ?

Thanks.

Paco

PS: I read the Q&A but without success... :-(

commenticon 3 Comments
Post by iconPost by zezo | 2009-08-11 | 20:39:40
It does not really matter with short races like this one, but is quite useful on ocean crossings.

The short answer is that the optimizer calculates the isochrones for the set period, then chooses the nearest point to the destination and displays the path from current position to that point.

1 or 2-day tracks on a long leg will miss things like weather systems. On the other hand 7-day track will depend too much on unreliable 7-day forecast, so there is no single 'correct' duration.
Post by iconPost by pcayrol | 2009-08-12 | 09:09:59
Thanks...

So for Leg of 400 nm, 3 or 4 are good settings ?

Paco
Post by iconPost by zezo | 2009-08-12 | 12:01:38
Generally the shortest period that reaches the finish point is probably best as shorter periods use smaller steps and have less error and the calculated times are closer to the reality.

The 7-day simulation uses 1-hour steps and therefore all times are rounded to 1-hour. That is OK for checking long-term strategy, but not useful to steer the boat. That's why I advise checking the long term track, setting destination point a day or two ahead somewhere on it and then switching to 1/2 day period to get exact event time stamps.
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VR ending the ELO ranking.
34
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NMEA feed
128
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Dashboard Map Track Label not including the segment.tag
5
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VR ingame time
6
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VIRTUAL REGATTA and Phillip Ganier. Worst and worst every day...
7
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beta.realsail.net
2
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Escort Frigate
6
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Out of memory. If you are the developer of this content ....
17
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Question about GFS Grib
5
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RORC Caribbean 600
14
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sliding VSR
16
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Trying to use Zezo to select best combination of sails to select
7
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TARA OCEAN 3
9
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RORC Transatlantique Race
6
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Game appears stuck on 00Z weather from yesterday
4
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Sydney to Auckland
28
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Personal Message pages deleted
7
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New zezo fonction
2
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VR Ranking 2021
7
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Autosail malfunction
3
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Comments from a newbie to "long term" routing
1
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Massive thanks to Cvetan
7
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Fleet section mode record not working
2
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Possible routes on the Map tab
3
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Purple skippers on VR Dashboard
3
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UTC or CET time ?
2
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multiple routes?
2
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Real Sail
4
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Map a little gloomy
8
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Trophée Jules Verne - Route à l'envers ?
2
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Looks like weather updates offline for next 18h
26
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Bring the good old days back
7
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All.grib 0.0k ?
9
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different speed
3
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Strange 0.5 mille VR Scale
3
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Just an idea for a new feature...
7
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Connexion impossible
1
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Donations
7
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New leader - seems to be using Zezo
38
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Bravo Zezo
4
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zezo : Huge job - Huge thx
2
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Difference between boat speed display on VR, dashboard and polar curves
7
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Vendée Globe: Track lines falling too short of ischrones
8
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Tara Ocean
29
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VR winds currently not up to date ?
1
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"Sails Change" within the Programming
3
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RORC Transat finish moved to Antigua
3
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Weather update not appearing...
19
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Dashboard not updating.
6
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Boats Skins Vendée Globe
3
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Safari on iOS: Bearing lines gone
3
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Wrong coordinates in zezo
2
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Winds in the chart do not show changes between 78 hours and 114 hours forecast
2
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Decoding of All grib
6
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I CANNOT ENTER FOR 3 HOURS IN THE GAME
23
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Why the vc data is yellow underlined ?
3
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Jules Verne 2020 - "Start NOW" discrepancy VS real time
7
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Would like to know the reasenable time to update your pisition on zezo
16
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Arrival Vendée Globe in Normandy !!?
4
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MIssing the Obvious: How to get Zezo routes back into VR
2
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VG 2020-01-02 has Zezo a problem with geographic or ...
8
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How to retrieve a waypoint (TWA/HDG) that already passed...
16
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Track duration window
3
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Ways to bypass the client to give orders?
6
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Problem to Load zero route in windy.com
40
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French tutorial for zezo
4
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boat positioning
2
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Export routes in GPX format ?
4
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Sail selection issue ?
11
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Your friends boats in Google Earth
2
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Delay in Wind update ?N
1
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VR Dashboard
54
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