Hello
i made the change.
but with WD-Live only the primeval time is displayed.
please take a look.

http://wetter-uerdingen.de/ cu. Kalli
From: gjr80 
Sent: Monday, November 2, 2020 5:10 AM
To: weewx-user 
Subject: Re: [weewx-user] Re: Sunshine Hours

Kalli,


I've added an approximation for sunshine time to WeeWX-WD. The algorithm 
involves calculating the elapsed time in seconds for which the WeeWX field 
'radiation' is above a set threshold level and storing this time in field 
'sunshine' in the WeeWX-WD database weewxwd.sdb. The default threshold level is 
120 W/m2, but can be adjusted using the sunshine_threshold config item under 
the [Weewx-WD] stanza in weewx.conf. So in an archive record if radiation is 
above the threshold value the sunshine field will be set to the interval (in 
seconds) covered by the archive record. So if your archive interval is set to 
300, field sunshine in that archive record would contain 300, if radiation was 
below the threshold value then field sunshine will be 0. Field sunshine is not 
added to loop packets, only archive records. 


You can then use field sunshine in report tags just like other WeeWX fields, 
though you will need to set the binding for each tag. For example, the sunshine 
time for today would be:

$day($data_binding='wd_binding').sunshine.sum


I have also populated the sunshine hour tags in testtags.php, so any sites/apps 
that use sunshine hours from testtags.php should now display data. I am not 
sure what FreshWDL uses, let's get WeeWX-WD working properly with sunshine then 
we can come back to FreshWDL if necessary.



Unfortunately you are going to have to upgrade to WeeWX-WD v2.1.0, adding 
'sunshine' to a WeeWX-WD v1.x version was more work than I was prepared to do. 
The upgrade process is straight forward and I have detailed the steps below.

To upgrade WeeWX-WD v1.x to v2.1.0 (the following steps are based on you having 
a package install rather than a setup.py install, if you have a setup.py 
install let me know and I will provide appropriate instructions):

1. download the v2.1.0 extension package:

$ wget -P /var/tmp 
https://github.com/gjr80/weewx-weewx-wd/releases/download/v2.1.0/weewxwd-2.1.0.tar.gz


2. stop WeeWX and backup your WeeWX and WeeWX-WD databases:

$ sudo cp /var/lib/weewx/weewx.sdb /var/lib/weewx/weewx_backup.sdb
$ sudo cp /var/lib/weewx/weewxwd.sdb /var/lib/weewx/weewxwd_backup.sdb


3. install v2.1.0:

$ sudo wee_extension --install=/var/tmp/weewxwd-2.1.0.tar.gz


4. remove some v1.x residue that the installer cannot remove:

$ sudo rm -R /etc/weewx/skins/SteelGauges
$ sudo rm /usr/share/weewx/user/imageStackedWindRose3.py*
$ sudo rm /usr/share/weewx/user/wd_database
$ sudo rm /usr/share/weewx/user/wdAstroSearchX3.py*
$ sudo rm /usr/share/weewx/user/wdSearchX3.py*
$ sudo rm /usr/share/weewx/user/wdTaggedStats3.py*
$ sudo rm /usr/share/weewx/user/weewxwd3.py*


5. edit weewx.conf and make the following changes:

- under [StdReport] delete the [[wdSteelGauges]] stanza in full
- under [DataBindings] [[wd_binding]] change:

    schema = user.weewxwd3.schema

    to

    schema = user.wdschema.weewxwd_schema

- under [Engine] [[Services]] delete the user.weewxwd3.WdWXCalculate entry from 
process_services
- under [Engine] [[Services]] delete user.weewxwd3.WdArchive from 
archive_services


WeeWX-WD will now add a field 'sunshine' to each archive record but it will not 
be saved to database (whilst the WeeWX-WD database schema now includes field 
'sunshine' your WeeWX-WD database will not include field 'sunshine' as the 
database was created using the old WeeWX-WD schema). To add field sunshine to 
the WeeWX-WD database: 


1. use the utility wee_database to create a new copy WeeWX-WD database with the 
new schema and populate it with data from the old WeeWX-WD database:

$ sudo wee_database /etc/weewx/weewx.conf --reconfigure --binding=wd_binding


2. you will now have a new WeeWX-WD database named weewxwd.sdb_new that 
includes field sunshine, you now need to swap your old WeeWX-WD database for 
this new database:

$ sudo mv /var/lib/weewx/weewxwd.sdb /var/lib/weewx/weewxwd_orig.sdb
$ sudo mv /var/lib/weewx/weewxwd.sdb_new /var/lib/weewx/weewxwd.sdb


3. the daily summaries in the new database should be rebuilt on the next WeeWX 
startup but let's do it manually to make sure:

$ sudo wee_database /etc/weewx/weewx.conf --binding=wd_binding --rebuild-daily

You should now be able to restart WeeWX and WeeWX-WD will populate field 
sunshine in the WeeWX-WD database and the sunshine hours fields in testtags.php 
should also be populated.


Gary

On Monday, 2 November 2020 at 08:26:42 UTC+10 gjr80 wrote:

  Hi Kalli,

  Have written the code but just sorting out a couple of unrelated issues that 
are causing problems under WeeWX v3.8.0. Won't be long.

  Gary


  On Sunday, 1 November 2020 at 23:26:07 UTC+10 Kalli wrote:

Hello Gir80
I'm curious what you're doing great again.cu.Kalli

    Am Dienstag, 27. Oktober 2020 22:39:17 UTC+1 schrieb gjr80: 
      Thanks Kalli, I will put something together and email you. 

      Gary


      On Wednesday, 28 October 2020 at 01:52:30 UTC+10 Kalli wrote:

        Gir80 I have the weewx 3.8 weewx wd v1.3 


        tke...@gmail.com schrieb am Dienstag, 27. Oktober 2020 um 13:40:39 
UTC+1:

          Never mind!

          On Tue, Oct 27, 2020 at 5:39 AM gjr80 <gjrod...@gmail.com> wrote:

            Tom, 

            I suspect that in this case FreshWDL is displaying sunshine hours 
as measured by a sunshine recorder. Some PWS software approximates sunshine 
hours by calculating the cumulative time for a day where the solar irradiance 
is above a given level. From memory the measurement of sunshine hours has come 
up a couple of times here or in weewx-development.

            Gary
            On Tuesday, 27 October 2020 at 22:25:34 UTC+10 tke...@gmail.com 
wrote:

              The Seasons skin has something you can use. Look in the file 
celestial.inc. 

              If you just want amount of daylight, try something like (NOT 
TESTED):

              #set $sunrise_ts = $almanac.sun.rise.raw
              #set $sunset_ts = $almanac.sun.set.raw
              #if $sunrise_ts and $sunset_ts

                  #set $today_daylight = $sunset_ts -  $sunrise_ts
                  #set $seconds = $today_daylight
                  #set $hours = $seconds //3600
                  #set $seconds %= 3600
                  #set $minutes = $seconds//60
                  #set $seconds %= 60
                  #set $daylight_str = "%d hours, %d minutes, %d seconds" % 
($hours, $minutes, $seconds)



                  <p>Total daylight: $daylight_str</p>


              #end if

              -tk

              On Mon, Oct 26, 2020 at 7:55 PM gjr80 <gjrod...@gmail.com> wrote:

                Hallo Kalli,

                The short answer is at the moment sunshine hours is not 
provided by WeeWX or WeeWX-WD. Looking at the WeeWX-WD code it appears to be 
something I started working on but never fully implemented. Can you let me know 
hat version of WeeWX and WeeWX-WD you are running. It should be a simple 
function to implement.

                Gary


                On Tuesday, 27 October 2020 at 03:16:23 UTC+10 Kalli wrote:


                  Hello i have weewx-wd. in FreshWDL the sun is displayed. 
unfortunately i can't find any settings for it at weewx. Can anybody help me 
further. 
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