Loading Xtides with Forecast

[philip....@gmail.com]

Im loading weewx V5 from new and while installing the forecast program I notice that XTides is no longer available.

Can somebody point me in the right direction please as to how I can get XTides to work

Thanks

[John Kline]

Which version of weewx-forecast are you using?  I mention this issue and how to work around it in the README of my fork of weewx-forecast (https://github.com/chaunceygardiner/weewx-forecast):

If you want tide forecasts, install xtides:
  sudo apt-get install xtide
Then determine your location:
  http://tides.mobilegeographics.com/

Note: current versions of debian (bookworm) do not include xtide.
This is perhaps true of other distributions.
You'll need to build it yourself and set the 'prog' variable in the xtide
section.
Example (building xtide)
  wget https://flaterco.com/files/xtide/xtide-2.15.5.tar.xz
  (decompress and cd to directory)
  sudo apt-get install libpng-dev
  sudo apt-get install libtcd-dev
  ./configure
  make
Example (setting prog variable t point to where you have built xtide):
[Forecast]
    ...
    [[XTide]]
        location = Palo Alto Yacht Harbor, San Francisco Bay, California
        prog = /home/jkline/software/xtide-2.15.5/tide
You'll still need to install xtide-data.  Example:
    apt install xtide-data
and you'll need to create an /etc/xtide.conf file to tell xtide where to find the harmonic
data you installed with xtide-data.  Example:
/etc/xtide.conf:
    /usr/share/xtide
(xtide-data installs harmonic data in the /usr/share/xtide directory)

On Jun 16, 2024, at 10:10 AM, philip....@gmail.com <philip....@gmail.com> wrote:

Im loading weewx V5 from new and while installing the forecast program I notice that XTides is no longer available.

Can somebody point me in the right direction please as to how I can get XTides to work

Thanks

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[vince]

In the absence of any logs... or console transcripts... or snippets from your weewx.conf file... sorry, nobody can help much....

[philip....@gmail.com]

Im using the latest 64bit Debian 12 Bookworm on a Pi5 and building weewx V5 on a new installation.

My first extension to load was the forecast extension and when i type 

sudo apt-get install xtide

it tells me the package is not available is only available from another source so logs are not available

I downloaded from https://github.com/chaunceygardiner/weewx-forecast John and I did try and follow your update but I couldnt get it to work

It told me NO TIDE data was available.

[Chuck Rhode]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On Sun, 16 Jun 2024 10:17:11 -0700
"'John Kline' via weewx-user" <weewx...@googlegroups.com> wrote:

> Note: current versions of debian (bookworm) do not include xtide.

Apparently, it is available in the "Unstable (Sid)" repository.

+ deb http://ftp.us.debian.org/debian/ unstable main contrib

I'm not sure how it's being built. There seems to be an outstanding
year-old compile bug:

+ https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1026439

- --
.. Be Seeing You,
.. Chuck Rhode, Sheboygan, WI, USA
.. Weather: http://LacusVeris.com/WX
.. 69° — Wind SSE 21 mph

-----BEGIN PGP SIGNATURE-----

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=QpY5
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[philip....@gmail.com]

Im trying yours again John and its OK when I do ./configure but when I try   make     it replies

make: ***No targets specified and no makefile found. Stop

I take it thats not what I should get back

Phil

[vince]

Easiest option is to just run 32-bit raspios and it'll all be there, but other options include grabbing. a 32bit .deb and compiling your own from sources.   I 'think' that you can download a .deb from https://packages.debian.org/bullseye/armhf/xtide/download which also has instructions for how to add that repo.

[Ian Millard]

Vince,

Following your often used advice, Google has the answer: -

sudo apt-get -y install xtide-data

Install and works perfectly with Bookworm.

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[Ian Millard]

root@dvm:/var/www/html/divumwx/heatmaps# sudo apt-get -y install xtide-data

Reading package lists... Done

Building dependency tree... Done

Reading state information... Done

The following packages were automatically installed and are no longer required:

  libwpe-1.0-1 libwpebackend-fdo-1.0-1 linux-headers-6.1.0-18-amd64 linux-headers-6.1.0-18-common linux-image-6.1.0-18-amd64

Use 'sudo apt autoremove' to remove them.

The following NEW packages will be installed:

  xtide-data

0 upgraded, 1 newly installed, 0 to remove and 8 not upgraded.

Need to get 588 kB of archives.

After this operation, 2115 kB of additional disk space will be used.

Get:1 http://deb.debian.org/debian bookworm/main amd64 xtide-data all 20191229-1.1 [588 kB]

Fetched 588 kB in 0s (3211 kB/s)

Selecting previously unselected package xtide-data.

(Reading database ... 406470 files and directories currently installed.)

Preparing to unpack .../xtide-data_20191229-1.1_all.deb ...

Unpacking xtide-data (20191229-1.1) ...

Setting up xtide-data (20191229-1.1) ...

On 16 Jun 2024, at 19:41, vince <vince...@gmail.com> wrote:

[John Kline]

> Im trying yours again John and its OK when I do ./configure but when I try   make     it > replies

>make: ***No targets specified and no makefile found. Stop

>I take it thats not what I should get back

That’s hard to imagine if you are in the correct directory.  Exactly what directory were you in when you typed make?

On Jun 16, 2024, at 11:41 AM, philip....@gmail.com <philip....@gmail.com> wrote:

Im trying yours again John and its OK when I do ./configure but when I try   make     it replies

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[John Kline]

Also, are we sure the configure finished without error (there are dependencies you need to install as stated in my instructions)?

Do you see a file named Makefile in the xtide-2.15.5 directory?

[philip....@gmail.com]

Theres a Makefile.am and Makefile.in in the xtide-2.15.5 directory

Here are the lines from the terminal

[John Kline]

configure generates a Makefile (with no extensions).

Take a look at what you sent me, configure ended in an error.  Look right before you typed make!

Did you install the prerequisite packages listed?

I have this running on 64-bit Raspberry OS Bookworm.

On Jun 16, 2024, at 12:40 PM, philip....@gmail.com <philip....@gmail.com> wrote:

Theres a Makefile.am and Makefile.in in the xtide-2.15.5 directory

To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/c5a84c9f-a94d-49e1-bf92-ef18002ffd24n%40googlegroups.com.

<Xtide.txt>

[vince]

On a pi5 with 64bit bookworm this worked.....

sudo apt-get install -y libpng-dev libtcd-dev xtide-data xtide-coastline xtide-data-nonfree

wget http://deb.debian.org/debian/pool/main/x/xtide/xtide_2.15.2.orig.tar.bz2

tar jxvf xtide_2.15.2.orig.tar.bz2

cd xtide-2.15.2

./configure --without-x

make

sudo make install

sudo ldconfig         # optional but doesn't hurt

tide -l SEATTLE

(returns the tide estimates for seattle)

[John Kline]

Yes, xtide-data installs, and is needed (per the README), but it is xtide itself that is not available.

On Jun 16, 2024, at 1:23 PM, vince <vince...@gmail.com> wrote:

On a pi5 with 64bit bookworm this worked.....

To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/4fd86ba7-9694-4637-a209-9c64ec23f5e9n%40googlegroups.com.

[John Kline]

Philip,

Rather than try to walk you through building a package, attached is a zip of the tide executable that you need.

unzip it anywhere you like and point to it by following the instructions on the README page in github or in my email.

[philip....@gmail.com]

Hi John

Still no joy

Unzipped your file and loaded it into directory xtide-2.15.5 as tide

In weewx.conf under [[XTide]] prog = /home/phil/xtide-2.25.5/tide

Then carried on from your readme notes

sudo apt install xtide-data

sudp apt instal xtide-data-nonfree

Both loaded OK

created /etc/xtide.conf

Added /usr/share/xtide   into the file 

The 2 harmonics exixts in /usr/share/xtide    harmonics-dwf-20100529-nonfree.tcd  and  harmonics-dwf-20191229-free.tcd 

In the weewx.conf under [[XTide]] added 

location = "Cromer, England"

interval = 86400

duration = 86400

max_age = 86400

sudo systemctl restart weewx

sudo systemctl status weewx

2 lines for xtideThread

user.forecast: XTideThread: XTide: generating tides from 2024-06-17 00:00:: BST (1718578800)) to 2024-06-18 00:00:00 (1718665200)

user.forecast: XTideThread: XTide: got no tidal events

Change the location to whats in your readme notes

location = "Palo Alto Yacht Club Harbor, San Francisco Bay, California"

Still no tidal events

Phil

[philip....@gmail.com]

Thought that your file needs to be an executable so from the xtide-2.15.5 directory

[philip....@gmail.com]

Sorry sent to early

Thought that your file needs to be an executable so from the xtide-2.15.5 directory

sudo chmod +x tide

Still no tidal events

[John Kline]

I don’t see a “prog = “ line in the XTide section (per my instructions).  Did you do that?

And did you create a /etc/xtide.conf file?

Would you please follow the instructions line by line?

On Jun 17, 2024, at 2:26 AM, philip....@gmail.com <philip....@gmail.com> wrote:

Sorry sent to early

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[philip....@gmail.com]

If you look at my 1015 post it has this in it

created /etc/xtide.conf

Added /usr/share/xtide   into the file 

Ive sent you my weewx.conf file it has prog = /home/phil/xtide-2.15.5/tide  in it I forgot to add it to my 1015 post

[John Kline]

And what happens when you type:

/home/phil/xtide-2.15.5/tide

on the command line?

Does the program run?

If so, grep XTideThread in the logs and send the results.  How you look at logs will vary depending on how you have set this up (but probably journalctl).

On Jun 17, 2024, at 6:52 AM, philip....@gmail.com <philip....@gmail.com> wrote:

If you look at my 1015 post it has this in it

To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/985974b1-b378-4b69-845f-fa9f4cb550ffn%40googlegroups.com.

<weewx.conf>

[philip....@gmail.com]

phil@raspberrypi:~ $ /home/phil/xtide-2.15.5/tide
/home/phil/xtide-2.15.5/tide: error: '/home/phil/xtide-2.15.5/.libs/tide' does not exist
This script is just a wrapper for tide.
See the libtool documentation for more information.

Is this what you expected ?

[John Kline]

I got a message that the file was too large.

Let’s try again:

It is not what I expected.  I’ll give you the whole built directory tree:

You can download it at:

From your home directory, remove the exiting xtide directory, then untar what you just downloaded:

rm -rf xtide-2.15.5

tar -zxvf xtide-2.15.5.tar.gz

Now try executing tide again.  If that works, restart weewx and see if it works.

On Jun 17, 2024, at 8:48 AM, John Kline <jo...@johnkline.com> wrote:



It is not what I expected.  Here is the whole built directory tree:

<xtide-2.15.5.tar.gz>

From your home directory, remove the exiting xtide directory:

rm -rf xtide-2.15.5

tar -zxvf xtide-2.15.5.tar.gz

Then try executing tide again.  If that works, restart weewx and see if it works.

On Jun 17, 2024, at 8:04 AM, philip....@gmail.com <philip....@gmail.com> wrote:

phil@raspberrypi:~ $ /home/phil/xtide-2.15.5/tide

To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/5c7d44a5-634b-4aa6-b7d8-4ca5b16fb735n%40googlegroups.com.

[philip....@gmail.com]

rm -rf xtide-2.15.5      This removed the directory OK

copied your xtide-2.15.5.tar.gz into my Downloads directory and from that directory tar -zxvf xtide-2.15.5.tar.gz
which went ok.

restarted weewx

From the xtide-2.15.5 directory  $ tide got this

phil@raspberrypi:~ $ /home/phil/xtide-2.15.5/tide
/home/phil/xtide-2.15.5/.libs/tide: error while loading shared libraries: libxtide.so.1: cannot open shared object file: No such file or directory
phil@raspberrypi:~ $

copied and paste the xtide-2.15.5 directory into my home directory. 

restarted weewx

phil@raspberrypi:~ $ /home/phil/xtide-2.15.5/tide
/home/phil/xtide-2.15.5/.libs/tide: error while loading shared libraries: libxtide.so.1: cannot open shared object file: No such file or directory
phil@raspberrypi:~ $ 

After this the log still no tidal events

[John Kline]

If you try executing tide and it doesn’t work, you need not try anything further.  The problem is the path /home/jkline (my home directory) is hardcoded by configure.

You need to be able to build xtide.  If you want to try again, and configure fails again, I can have a look.  Please [re-]confirm that you have installed the prerequisites.  If configure fails again, there is no point to try make.

I am surprised that you can’t configure since we’re running the same OS.  I have the lite version of Bookworm 64-bit installed.  Do you have the full version?

On Jun 17, 2024, at 9:36 AM, philip....@gmail.com <philip....@gmail.com> wrote:

rm -rf xtide-2.15.5      This removed the directory OK

To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/27ad32bb-29f9-4cd3-968f-43ce156b4cb7n%40googlegroups.com.

[philip....@gmail.com]

I use the Raspberry Pi Imager with Pi5 and Pi 5 64 Bit software so Im assuming its the full package.

What Im going to do is have a fresh install of Pi5 using the Raspberry Imager and load weewx again and start a fresh with your XTide-=2.15.5.tar.gz

I shall copy all terminal responses to this post and see what you think.

Im hoping ./configure and then make works.

Will send you all terminal responses.

Phil 

[philip....@gmail.com]

Hi John

Built a fresh build using the Raspberry pi imager

Loaded weewx   All OK

Then used  tar -zxvf xtide-2.15.5.tar.gz and changed to that directory

then sudo apt-get install libpng-dev and then sudo apt-get install libtcd-dev

./ configure

and then make and this time got

make  all-am
make[1]: Entering directory '/home/phil/xtide-2.15.5'
make[1]: Nothing to be done for 'all-am'.
make[1]: Leaving directory '/home/phil/xtide-2.15.5'

so then sudo apt-get install xtide-data

and then in xtide-2.15.5 folder type tide and got

phil@raspberrypi:~/xtide-2.15.5 $ tide
bash: tide: command not found

As this didnt work I stopped as I believe you said if that does not work its no good

Have put all this in the text file I hope ??

[John Kline]

> Then used  tar -zxvf xtide-2.15.5.tar.gz and changed to that directory

Which tar did you use?  You cannot use the file I sent you.

On Jun 18, 2024, at 6:24 AM, philip....@gmail.com <philip....@gmail.com> wrote:

Hi John

To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/644cb6ac-4442-4e1d-96a9-abaa1aae9cfen%40googlegroups.com.

<tides>

[philip....@gmail.com]

OOPs  Yes I did

Oh well 3rd time luck

[philip....@gmail.com]

This time i used the correct file but as you can see from the file Im attaching going down your readme file when I get to make it seems to fail so I didnt go any further

[John Kline]

Try:

sudo apt install libfreetype6

And then re-run configure.  Again, there is no need to run make (which you did again) if the configure ends in an error.

On Jun 18, 2024, at 11:37 AM, philip....@gmail.com <philip....@gmail.com> wrote:

This time i used the correct file but as you can see from the file Im attaching going down your readme file when I get to make it seems to fail so I didnt go any further

To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/69587e25-dbbb-49b2-81f5-4a688e1da3c1n%40googlegroups.com.

<tides1>

[philip....@gmail.com]

phil@raspberrypi:~/xtide-2.15.5 $ sudo apt install libfreetype6

Reading package lists... Done
Building dependency tree... Done
Reading state information... Done

libfreetype6 is already the newest version (2.12.1+dfsg-5).
libfreetype6 set to manually installed.

The following packages were automatically installed and are no longer required:

  libcamera0.2 libraspberrypi0 libwpe-1.0-1 libwpebackend-fdo-1.0-1

Use 'sudo apt autoremove' to remove them.

0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
phil@raspberrypi:~/xtide-2.15.5 $ 

[John Kline]

OK, the difference is that you are building on the full install of bookworm and I am building on lite.  Try this for the configure step:

./configure --with-x=no

That *should* build what I am building (tide, but not xtide).  I’m guessing this will work, but let me know.  If it does, I’ll update the README.

On Jun 18, 2024, at 1:27 PM, philip....@gmail.com <philip....@gmail.com> wrote:

phil@raspberrypi:~/xtide-2.15.5 $ sudo apt install libfreetype6

To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/1a7fc18a-d6d8-4fd5-bd12-ee52fc8aa7f2n%40googlegroups.com.

[philip....@gmail.com]

It looks more promising.

I haven't gone pass   make    but if  its what you expected will carry on but not until tomorrow.

But thanks so far

Phil

[philip....@gmail.com]

sorry forgot to add the txt file

[John Kline]

I checked your output.  It looks like configure and make succeeded.  You should be good to go.

On Jun 18, 2024, at 2:16 PM, philip....@gmail.com <philip....@gmail.com> wrote:

sorry forgot to add the txt file

To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/997be9f6-298b-4a94-a029-a65c00fc2afdn%40googlegroups.com.

<tides 2>

[philip....@gmail.com]

Added location = "Palo Alto Yacht Harbor, San Francisco Bay, California"

prog = /home/phil/xtide-2.15.5/tide

sudo apt install xtide-data

Added /etc/xtide.conf with /usr/share/xtide   where the harmonic is

Still I get no tidal data

If i do /home/phil/xtide-2.15.5/tide   it comes  back tide command not found

[John Kline]

When you did the make, it didn’t create tide?

Do make again and then send a listing of the directory.

ls -l /home/phil/xtide-2.15.5

On Jun 19, 2024, at 2:17 PM, philip....@gmail.com <philip....@gmail.com> wrote:

Added location = "Palo Alto Yacht Harbor, San Francisco Bay, California"

To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/edcd457f-83a9-4de4-8651-32b1ab992f2an%40googlegroups.com.

[John Kline]

Actually, after the make, if you don’t see the tide program, do a “make tide”. And the check for the tide program.

If you see it, execute it.  You should see some help info.  If you see that, then go ahead and try it in weewx.

There is not point to doing anything else until you have a tide program that you can execute.

On Jun 19, 2024, at 2:19 PM, John Kline <jo...@johnkline.com> wrote:



[philip....@gmail.com]

The tide program was there but I had changed the cd /home/phil/xtide-2.15.5.

I put tide there it failed.

If I go to the home directory and put in /home/phil/xtide-2.15.5 tide it displays the help

If i put in /home/phil/xtide-2.15.5/tide -l Boston it displays the Info for Boston but in the logs it says No tidal available.

[John Kline]

My god.  Don’t be moving the program around.  It was built it /home/phill/xtide-2.15.5.  Leave it there and point prog to it.

You need to be able to execute whatever the prog line says.  For example:

In my case:

prog = /home/jkline/software/xtide-2.15.5/tide

So, I need to be able to execute:

/home/jkline/software/xtide-2.15.5/tide

If that works, you’ll be good to go.  ***Restart*** WeeWX and wait for it to decide to run the XTideThread again.  If you have any further issues, send the XTideThread lines in the log.

The tide forecast doesn’t run very often.  To hurry it along, you can stop weewx, delete the forecast.sdb database in the archive directory, restart weewx and wait for a 5 minute interval.  That is when the forecast xtide thread will attempt to generate the data.  Again, any issues, send the XTideThread lines in the log.

You should see something like this in the logs:

2024-06-19T15:15:03.495496-07:00 judygirldog5 weewxd[1638636]: INFO user.forecast: XTideThread: XTide: generating tides from 2024-06-19 00:00:00 PDT (1718780400) to 2024-07-17 00:00:00 PDT (1721199600)

2024-06-19T15:15:03.563622-07:00 judygirldog5 weewxd[1638636]: INFO user.forecast: XTideThread: XTide: saved 108 forecast records

2024-06-19T15:15:03.585208-07:00 judygirldog5 weewxd[1638636]: INFO user.forecast: XTideThread: XTide: deleted forecasts prior to 1716416103

On Jun 19, 2024, at 2:44 PM, philip....@gmail.com <philip....@gmail.com> wrote:

The tide program was there but I had changed the cd /home/phil/xtide-2.15.5.

To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/88b042e7-595c-4c7c-942f-37c1ab2cec01n%40googlegroups.com.

[philip....@gmail.com]

Sorry bad wording on my part. Didnt move anything just went into different sun-directories from the terminal prompt.

Have deleted forecast.sdb and get the same 2 lines every 5 min cycle and these are in the txt.file

 From the prompt 

 phil@raspberrypi:~ $ /home/phil/xtide-2.15.5/tide -l Cromer

I get Cromer tides so that seems to be working

The 2 lines are in the txt file along with my weewx.conf [[xtide]] info.

[Gerard Cerchio]

For my my site  I simply run a cron job once a day:

rm /var/www/html/weewx/backgrounds/tide.png; /usr/bin/tide -l "Ocean Beach, outer coast, California" -f p  -m g -o /var/www/html/weewx/backgrounds/tide.png > /dev/null

and in index.html.tmpl post the tide.png:

        <p>&nbsp;</p>
        <a href="https://www.oceanbeach.org/weewx/backgrounds/tide.png">
        <img src="backgrounds/tide.png" border="1" width="440" height="240">
        </a>

[John Kline]

Philip,

You are using the non-free xtide data presumably to get data for Cromer.  I don’t have that installed.

Let’s first confirm if this will work for Palo Alto.  Change your weewx.conf to use location: Palo Alto Yacht Harbor, San Francisco Bay, California

While you are at it, remove the interval, duration and max_age lines.

You’ll then have an identical set up to me.

If that works, we can move on to Cromer.  BTW, when we do move on, it would be good if you compare the same thing between the command line and within weewx.  I see that you’ve used “Cromer” on the command line, but “Cromer, England” in weewx.  Just put Cromer (no quotes) in weewx.conf.

On Jun 20, 2024, at 4:08 AM, philip....@gmail.com <philip....@gmail.com> wrote:

Sorry bad wording on my part. Didnt move anything just went into different sun-directories from the terminal prompt.

To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/f1f4cdcd-6dfb-44dd-bda4-67d6d88e7cbdn%40googlegroups.com.

<New3>

[philip....@gmail.com]

Changed weewx.conf

Deleted forecast.sdb

Restarted weewx

Still no change after about 3hrs

Still no data available

[John Kline]

I just installed the non-free xtide data package and set my location to Cromer, England.

    [[XTide]]

        location = Cromer, England

        prog = /home/jkline/software/xtide-2.15.5/tide

It works perfectly:

2024-06-20T11:35:03.159036-07:00 judygirldog5 weewxd[2845024]: INFO user.forecast: XTideThread: XTide: generating tides from 2024-06-20 00:00:00 PDT (1718866800) to 2024-07-18 00:00:00 PDT (1721286000)

2024-06-20T11:35:03.326879-07:00 judygirldog5 weewxd[2845024]: INFO user.forecast: XTideThread: XTide: saved 109 forecast records

2024-06-20T11:35:03.352681-07:00 judygirldog5 weewxd[2845024]: INFO user.forecast: XTideThread: XTide: deleted forecasts prior to 1716489303

You would see your results if it could not find the harmonic data.  When you redid the setup, did you remember to create the /etc/xtide.conf file?  What are its contents?

On mine, the file contains “/usr/share/xtide”

In turn, /usr/share/xtide contains:

harmonics-dwf-20100529-nonfree.tcd  harmonics-dwf-20191229-free.tcd

On Jun 20, 2024, at 11:25 AM, philip....@gmail.com <philip....@gmail.com> wrote:

Changed weewx.conf

To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/38f7ebdd-8505-46e6-96ce-ee553b449776n%40googlegroups.com.

<new5.txt>

[philip....@gmail.com]

/usr/share/xtide contains harmonics-dwf-20100529-nonfree and harmonics-dwf-20191229-free-tcd

and /etc/xtide.conf  has /usr/share/xtide in.

[John Kline]

The only other thing I can think of is permissions.  I assume you are running as phil when you try it manually and have it working.  What user is weewx running as?  If it isn’t phil, can you try manually as the the weewx user?  If that’s not easy for you, you can send the permission (ls -l) on file and directory that we need to access.

In particular, starting with bookworm, a user’s home directory is not acessible by other users.  As such,

ls -ld /home/phil

would be particularly useful command to run. 

On Jun 20, 2024, at 12:28 PM, philip....@gmail.com <philip....@gmail.com> wrote:

/usr/share/xtide contains harmonics-dwf-20100529-nonfree and harmonics-dwf-20191229-free-tcd

To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/f4bc899b-cd59-4ef3-9979-f9097280c3cbn%40googlegroups.com.

[philip....@gmail.com]

Not familiar with much to do with permissions but as a starting point is this what you meant

phil@raspberrypi:~ $ ls -l
total 604
drwxr-xr-x 2 phil phil   4096 Mar 15 15:05 Bookshelf
drwxr-xr-x 2 phil phil   4096 Jun 18 16:43 Desktop
drwxr-xr-x 2 phil phil   4096 Jun 18 16:43 Documents
drwxr-xr-x 2 phil phil   4096 Jun 19 16:28 Downloads
drwxr-xr-x 2 phil phil   4096 Jun 18 16:43 Music
drwxr-xr-x 2 phil phil   4096 Jun 20 16:05 Pictures
drwxr-xr-x 2 phil phil   4096 Jun 18 16:43 Public
drwxr-xr-x 2 phil phil   4096 Jun 18 16:43 Templates
drwxr-xr-x 2 phil phil   4096 Jun 18 16:43 Videos
drwxrwxrwx 8 phil phil   4096 Jun 18 22:06 xtide-2.15.5
-rw-r--r-- 1 phil phil 574972 May 11  2022 xtide-2.15.5.tar.xz
phil@raspberrypi:~ $ ls -id /home/phil
1046530 /home/phil

You will have to talk me through anything deeper

[John Kline]

It’s unfortunate that you didn’t tell me what user weewx runs as.

Also, you did an ‘eye-dee’ instead of an “ell-dee”.

please run the following (perhaps cut and paste it):

ls -ld /home/phil

After you do the ls -ld (so you can send me the answer), please run the following:

chmod 755 /home/phil

And then see if the tides populate on the next run.

On Jun 20, 2024, at 1:22 PM, philip....@gmail.com <philip....@gmail.com> wrote:

Not familiar with much to do with permissions but as a starting point is this what you meant

To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/bef3cf3a-ea07-460b-80bd-e04745806d40n%40googlegroups.com.

[philip....@gmail.com]

phil@raspberrypi:~ $ ls -ld /home/phil
drwx------ 15 phil phil 4096 Jun 20 20:31 /home/phil

phil@raspberrypi:~ $ chmod 755 /home/phil


phil@raspberrypi:~ $ ls -ld /home/phil
drwxr-xr-x 15 phil phil 4096 Jun 20 20:31 /home/phil

and the last 3 lines from the log

2024-06-20T21:45:19.234716+01:00 raspberrypi weewxd[1323]: INFO weewx.manager: Added record 2024-06-20 21:45:19 BST (1718916319) to database 'forecast.sdb'
2024-06-20T21:45:20.082129+01:00 raspberrypi weewxd[1323]: INFO user.forecast: XTideThread: XTide: saved 108 forecast records
2024-06-20T21:45:20.082229+01:00 raspberrypi weewxd[1323]: INFO user.forecast: XTideThread: XTide: deleted forecasts prior to 1716497120

So thanks for your patience as for what weewx runs as sorry i didnt know and didnt know how to find out

So thanks again

Phil

[philip....@gmail.com]

Debian 12 was freshly installed onto a new sd card and then I loaded weewx v5 using Installation on Debian systems and ran it in simulator mode

Forecast / xtide was loaded next so wondered what could have done as far as permissions were concerned.

[John Kline]

It’s really about being familiar with the OS.  You’re installing something in your home directory tree.  Clearly (since it works now), weewx is running as another user.  Weewx is attempting to access the tide program.  To do so, it must traverse through your home directory.  You either have to allow that, or put xtide somewhere else where the weewx user does have access.  We took the easiest path to resolve the issue.  If you did it all over again, you would have to do the same thing.  I did add the chmod 755 instruction to the readme.

On Jun 20, 2024, at 2:11 PM, philip....@gmail.com <philip....@gmail.com> wrote:

Debian 12 was freshly installed onto a new sd card and then I loaded weewx v5 using Installation on Debian systems and ran it in simulator mode

To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/a5474b43-9d62-468f-97a6-1b17fd9c877en%40googlegroups.com.