Author Topic: XTide  (Read 118 times)

Neil Waldhauer

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XTide
« on: January 17, 2026, 03:54:07 pm »
The XTide program shows the tide table for a particular location. It worked for years, but stopped a couple of weeks ago when the harmonics fiie expired.

http://hobbesarchive.com/?dir=%2F&stype=all&sort=type_name&search=xtide&submit=Search


It's still under development here:
https://flaterco.com/xtide/files.html

But there is no longer any OS/2 version.

Although it is an X program, there is also a command line version, tide.exe, which was more useful for OS/2.

Is there any hope for building the current release; at least the command line version?
« Last Edit: Today at 02:27:27 am by Martin Iturbide »
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Dave Yeo

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Re: Re: General Software Testing
« Reply #1 on: January 17, 2026, 05:28:51 pm »
Martin, can you split Neil's xtide comment into a separate thread?
Also perhaps create git archives of https://flaterco.com/files/xtide/libtcd-2.2.7-r3.tar.xz and https://flaterco.com/files/xtide/xtide-2.15.6.tar.xz

Dave Yeo

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Re: XTide
« Reply #2 on: Today at 05:06:26 am »
Hi Neil, can you test tide.exe. Need https://flaterco.com/files/xtide/harmonics-dwf-20251228-free.tar.xz along with SET HFILE_PATH=location/of/harmonics-dwf-20251228-free.tcd adjusted to your install. Not sure of the expected dir separator in the SET statement. I'll include the man page.
Still working on the web server, stupid IPv6 stuff and how to handle daemon. Might try the xtide too.
Edit: The missing DLL
« Last Edit: Today at 05:08:39 am by Dave Yeo »

Martin Iturbide

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Re: XTide
« Reply #3 on: Today at 02:32:55 pm »
Hello Dave

I created this repo: https://github.com/OS2World/APP-SCIENCE-XTide
Let me know if you think that way is fine (the program and the library), otherwise, just delete the files and set it as you like it.

Also, a quick tutorial on how it works would be appreciated just to test it out.

Regards
Martin Iturbide
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Neil Waldhauer

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Re: XTide
« Reply #4 on: Today at 03:49:24 pm »
I unzipped the program files into a directory. I downloaded and extracted the harmonics file

https://flaterco.com/files/xtide/harmonics-dwf-20251228-free.tar.xz

I set and environment variable to the location of my harmonics file

Code: [Select]
set hfile_path=\suntanv6\apps\xtide\dist\harmonics-dwf-20251228-free.tcd
I ran the program, but I now get a message about time zone support.

Code: [Select]
tide -l "Santa Cruz"

Indexing \suntanv6\apps\xtide\dist\harmonics-dwf-20251228-free.tcd...
XTide Fatal Error:  BROKEN_ZONEINFO
Your platform appears to have broken time zone support.  You need to have a
reasonably modern version of the time zone database that is available from
http://www.iana.org/time-zones.
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