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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 ?

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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.

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