Grib Files update and routing
Post by iconPost by enzomelges | 2024-11-11 | 13:10:32

Do you know how Zezo calculates routes for the first two hours during the period between NOAA grib file updates and VR Game grib file updates?
(e.g., 9:40 GMT in the game vs. approx. 6:00 GMT for NOAA)?
Is it based on new gribs or based on the game gribs ?

commenticon 6 Comments
Post by iconPost by zezo | 2024-11-11 | 14:12:37
One of the changes with the 0.25 degree winds is that the forecast is no longer integrated with the current conditions. New data takes effect strictly in a future point of time.

So no need to interpolate between 3 files for the routing, and more importantly, your scheduled route won't change randomly during the weather updates.

Post by iconPost by enzomelges | 2024-11-11 | 14:45:50
Tks a lot !
Post by iconPost by enzomelges | 2024-12-15 | 09:29:13
Do the 0.25-degree winds support the routing of Zezo in VG, or are they 0.5/1.0-degree NOAA winds?"
Post by iconPost by zezo | 2024-12-15 | 14:10:48
Everything is 0.25. But rounded to 6 bit resolution, so the original NOAA float files won't match the game exactly.
Post by iconPost by zezo | 2024-12-15 | 14:20:21
BTW you can get the grib files from the game directly. Can be done with a little script or something. Someone should update the dashboard to do it ;-)

https://vro-api-client.prod.virtualregatta.com/dl?t=fwr gives you a list and like this


"references": [
"20241215.00.012",
"20241215.06.009",
...
"root": "https://static.virtualregatta.com/winds/fine/{YYYYMMDD}/",
"extension": ".grb"

which translates to

https://static.virtualregatta.com/winds/fine/20241215/20241215.00.012.grb
and so on. They started blocking certain user-agent strings recently, but that should not be a problem.
Post by iconPost by enzomelges | 2024-12-15 | 18:10:05
thanks a lot !!!
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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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