Facebook

Login

Support Sailonline

If you haven't already - join the SAILONLINE YACHT CLUB!

Please also consider making a donation - all amounts are greatly appreciated!

Board » Technical Discussion » A new command for planning route?

I am a nembi here so maybe I might tell something you already have an answer for.
What I really REALLY would appreciate would be two commands like:

1) take this action when Latitude is => X, or latitude is <= Y.

2) take this action when Longitude is ......

They would be two alternative to the delayed command with time.
These two command would make me avoid big headache in computing or imagine where my boat would be in a certain time.
Also it would be much more similar to true navigation, because in a true race no one wold decide to tack because the time is 7 past 11. On the contrary one would decide to tack because the 7th parallel has been passed.

Thank you so much for your attention
best
Francom

Poll: would you like a command that make you take an action on certain latitude or longitude ?

You need to be logged in to vote.
sorry for the misspelling of some english.
I am a newbe, not a nembi.
Francom
This is what schakel did in his program "helm control" (which I can't find right now, maybe he's taken the download offline).

The problem with this is how the different commands combine. Right now the commands are ordered simply by their execution time. But when you have commands without execution time, how are they ordered? You will need an additional "number" to specify the order of the lat/lon commands. But how do you combine the order of lat/lon commands with the order of the timed commands?

There are multiple sensible answers to all these questions, a choice needs to be made about how to deal with these special cases. Then the server would need to get a large update, and the client needs an even larger update.
ok I understand the problem. My hypothesis was: I build the route in the
order from start to end. So the order of the actions is the order of
their creation and the actions could be ordered by creation time. But in this
way the modification of a previously planned route would be challenging
or maybe impossible.

A possibility could be to give together a position
condition and a timing condition. If the position condition is not
defined, the timing condition is the only valid. If the position
condition is defined, then the timing condition is only indicative (it
would be actually needed only for ordering purposes).
Cuccius,
Have a look at the DC Checker in this.
http://solfans.org/blog/weather/dc-checker-editor-grib-loader-and-more/

It will show you exactly where your boat will be, to within about 5 seconds.

Please login to post a reply.

Races

Next Race: 00d 00h 00m


Current Races:

The British Isles Circumnavigation 2026


The British Isles Circumnavigation is here! Inviting skippers to take on an epic 1,720nm clockwise voyage around Britain and Ireland! Starting and finishing in Cowes, the course passes some of the most iconic landmarks in offshore sailing, including Fastnet Rock, Tearaght Lighthouse, Black Rock, St. Kilda and Muckle Flugga before the long run home. Racing in our fast and versatile TP52, this Super-Buddy Championship race will reward smart routing, changing weather strategy and sustained concentration over every mile. Good luck!
Race #2052
INFO by brainaid.de
TP-52 PARTICULARS
WX Updates:
0430 / 1030 / 1630 / 2230
Ranking: SUPBUD - SYC
Race starts: Aug 09th 10:00 Registration Open!
▶ Flash
GO TO RACE

SSANZ Triple Series 2026 - Race 2

Welcome back to race two of the SSANZ Triple Series—it's time for the Lewmar 100! Our dynamic fleet of Young 88s returns for another exhilarating 65 nautical mile battle across the stunning waters off Auckland, New Zealand. Once again, our skilled Sailonline racers will test their strategic minds and endurance. With intense competition, shifting conditions, and plenty of tactical decision-making, this race promises high-energy sailing and edge-of-your-seat excitement from start to finish!
Race #2047
INFO by brainaid.de
Young 88 PARTICULARS
WX Updates:
0430 / 1030 / 1630 / 2230
Ranking: SSANZ - SUPBUD - SYC
Race starts: Aug 08th 21:15 Registration Open!
▶ Flash
GO TO RACE

Lake Vättern PYOC 2026


Back in 2013, longstanding SOLer Musigny and his friend xthyra invited us for a three race tour of beautiful Lake Vättern in the heart of southern Sweden. After many years, we return there for a quick sprint from a start in front of the village of Brandstorp, either way around Visingso island in the middle of the lake, but PORT HAND ROUND a buoy off the Granna piers on the eastern shore and back, once again avoiding Visingso as best you can. At least 20nm in trusty Scandinavian 11m One Designs; good luck!
Race #2046
INFO by brainaid.de
11m OD PARTICULARS
WX Updates:
0430 / 1030 / 1630 / 2230
Ranking: SPQ3 - SPCH - SYC
Race starts: Aug 08th 21:00 Registration Open!
▶ Flash
GO TO RACE

Easter Island to Tristan da Cunha 2026

Welcome to the second leg of our RNW series, rounding Cape Horn. This middle-most leg Round the New World, from Easter Island to Tristan da Cunha, is also part of our Ocean Championship, and as such the second race of OCQ3 2026. This race, like the previous race in the RNW series, will be sailed in our revised 'version 2' Imoca 60 Foil. Race #2050
INFO by brainaid.de
Imoca 60 Foil v2 PARTICULARS
WX Updates:
0430 / 1030 / 1630 / 2230
Ranking: OCQ3 - RNW - OCCH - SYC
Race starts: Aug 03rd 11:00 Registration Open!
▶ Flash
GO TO RACE

Go to race archive

SYC Ranking

  1. Sailonline Yacht Club Member KaSToR
  2. Sailonline Yacht Club Member WRmirekd
  3. Sailonline Yacht Club Member CriticalHippo
  4. Sailonline Yacht Club Member Panpyc
  5. Sailonline Yacht Club Member rafa
  6. Sailonline Yacht Club Member cdhinman
  7. Sailonline Yacht Club Member rthinman
  8. Sailonline Yacht Club Member ms0689
  9. Sailonline Yacht Club Member BRENTGRAY
  10. Sailonline Yacht Club Member Sax747

View full list

Series

Mobile Client

SYC members have the benefit of access to our mobile/lightweight web client!

The mobile client