Post by iconPost by Elmerou | 2016-12-14 | 18:13:48

Dear zezo himself or zezo experts,

I am confused, about the tracking lines :
You wrote : "The blue one is loxodrome" see http://zezo.org/forum.pl?tid=5548
You wrote : " Blue is the straight (great circle) line " (orthodrome ?) see http://zezo.org/forum.pl?tid=5843

Which statement is correct ?

If I want to sail to point A, do I have to :
1) Put the blue line on point A and follow heading written in red ?
or
2) Put the red line on point A and follow heading written in red ?

I thank you very much for the clarification and this wonderful zezo tool !

commenticon 3 Comments
Post by iconPost by zezo | 2016-12-14 | 18:20:40
The red line corresponds to fixed heading in the game.

You should be able to follow the blue line in the game by placing a waypoint away enough. Then the number in red should take you along the blue path.
Post by iconPost by Elmerou | 2016-12-14 | 19:08:26
I thank you very much. Then Blue is orthodrome ?

One more : About the green one : Do we have to
1) read/use green TWA when having the green line crossing destination point ?
2) read/use green TWA when having the blue line crossing destination point ?

I thank you very much for your patience !
Post by iconPost by zezo | 2016-12-14 | 19:59:52
The numbers in the TWA and heading in the track tool should batch (unlike the router result which hast 5 degrees of noise sometimes)

So generally if you sail in that initial direction you go along the green line with fixed TWA and along the red line with fixed heading.

Just keep in mind that

1) Wind changes over time

2) The game engine seems to be using different wind data than the game interface, so even if the numbers of the interface and the router match you will end up in different place.

Here is an answer I wrote to a similar question in email few days ago:

> > My questionis : In this case, should the Virtual Regatta "Regulator" be
> > in the "ON" or "OFF" position?
> >

That depends. For the current heading you can use the track tool to see
if the red line (heading) or the green (TWA) is closer to the intended
track.

For the scheduler ... it's usually regulator on with optimum TWA when
sailing roughly downwind or upwind and tacking/gybing

But if the intended wind angle is not close to the optimum
upwind/downwind angles (let's say it's between 50 and 135 degrees) and
the track looks relatively straight then you should probably turn the
regulator off

And with shifting winds sometimes it's a mix with gradually changing angles.
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Shore detection by Zezo
2
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Nord Stream Race 2
7
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Trying to Break the VR Map Mistery !
3
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Navigating to "xxx.0" TWA
26
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Tara4 - no refresh
2
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Jules Verne: Inconsistency of headings and speeds, simulation !!
5
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VR, Zezo, Qtvlm card offsets
2
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Island's coordinates
34
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Tara Ocean 4
6
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Solo Maitre Coq
21
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Adjustable timeshift ?
3
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gate crossing question
7
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Expanded View on PC
3
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Panic at VR Nord
7
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Delays during the sail changes, or directions changes
3
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(Game wind = Zezo wind ) ⍯ (Grib winds = Windy.com)
7
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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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