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Latest Cumulus MX V3 release 3.28.6 (build 3283) - 21 March 2024
Cumulus MX V4 beta test release 4.0.0 (build 4019) - 03 April 2024
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Download the Software (Cumulus MX / Cumulus 1 and other related items) from the Wiki
Error regarding USNO Sunmoon data
Moderator: saratogaWX
- saratogaWX
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Re: Error regarding USNO Sunmoon data
The WU api 'astronomy' JSON includes:
precentIlluminated
ageOfMoon
current_time.hour
current_time.minute
sunrise.hour
sunrise.minute
sunset.hour
sunset.minute
Not quite enough and no moonrise/moonset date/times.
precentIlluminated
ageOfMoon
current_time.hour
current_time.minute
sunrise.hour
sunrise.minute
sunset.hour
sunset.minute
Not quite enough and no moonrise/moonset date/times.
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Re: Error regarding USNO Sunmoon data
You've said Cumulus does provide times but does not provide dates for moon rise/set.
Being perdantic, Cumulus only provides a time when the moon rises or sets on the current day (so in those cases it does indicate the date), the time is reported as '--:--' when it rose the previous day or will set the next day (so in those cases it indicates the date but not the time).
Being perdantic, Cumulus only provides a time when the moon rises or sets on the current day (so in those cases it does indicate the date), the time is reported as '--:--' when it rose the previous day or will set the next day (so in those cases it indicates the date but not the time).
- saratogaWX
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Re: Error regarding USNO Sunmoon data
Yes, I've observed that behavior with Cumulus before. The USNO returns the nearest moonrise/moonset to the current date:time and returns both date and time so it's easy to see when only one event occurred 'today'. Of the weather software programs I have running, only Weather-Display provides both date and time for moonrise and moonset .. the others only provide times. The various scripts I've been trying also output a date and time for both events.
- mcrossley
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Re: Error regarding USNO Sunmoon data
The other thing to check is the effect of latitude. Some of the calculations start to lose accuracy once you get to 60+ degrees or so. It would be interesting to see the same table for say Tromsø at 70N! Especially when there is no sun rise or set in mid-winter/summer.
- ConligWX
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Re: Error regarding USNO Sunmoon data
looks like they are up again...
though looking at the API web page: http://aa.usno.navy.mil/data/docs/api.php
the title is: Astronomical Applications API v2.0.1
though looking at the API web page: http://aa.usno.navy.mil/data/docs/api.php
the title is: Astronomical Applications API v2.0.1
api version seems to be different. 2.0.1 <-> 2.0.0HTTP/1.1 200 OK
Date: Thu, 03 Aug 2017 23:29:50 GMT
Server: Apache
Access-Control-Allow-Origin: *
Connection: close
Transfer-Encoding: chunked
Content-Type: application/json
2c6
{
"error":false,
"apiversion":"2.0.0",
"year":2017,
"month":8,
"day":4,
"dayofweek":"Friday",
"datechanged":false,
Regards Simon
https://www.conligwx.org - @conligwx
Davis Vantage Pro2 Plus with Daytime FARS • WeatherLink Live • Davis AirLink • PurpleAir • CumulusMX v4.0.0
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- saratogaWX
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Re: Error regarding USNO Sunmoon data
I always trust the source code, not necessarily the documentation
They may have regressed the code base due to the problems of the last week.. would make some sense if they cut over 2.0.1 and began experiencing issues with the server.
They may have regressed the code base due to the problems of the last week.. would make some sense if they cut over 2.0.1 and began experiencing issues with the server.
- ConligWX
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Re: Error regarding USNO Sunmoon data
consistant as ever - I'm getting USNO errors again:)
Regards Simon
https://www.conligwx.org - @conligwx
Davis Vantage Pro2 Plus with Daytime FARS • WeatherLink Live • Davis AirLink • PurpleAir • CumulusMX v4.0.0
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- saratogaWX
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Re: Error regarding USNO Sunmoon data
After several months of trying/tweaking, I think I found a good set of calculations to allow replacement of the USNO for moon times/sun times.
This uses 3 classes with some mods from their originals. One does phase/illumination, one does rise/set times and one (from Jachym) is used for moon transit times.
Try: https://saratoga-weather.org/wxtemplate ... p?sce=view
Put in Settings.php to activate the calculations instead of the fetch from USNO.
Let me know how it works for you (and if you see any PHP errata from using it).
The calculated times are +/- 1 minute v.s. the built-in calcs (and the USNO) for sun/moon rise/set times -- see attached calcs comparison.
This uses 3 classes with some mods from their originals. One does phase/illumination, one does rise/set times and one (from Jachym) is used for moon transit times.
Try: https://saratoga-weather.org/wxtemplate ... p?sce=view
Put in Settings.php
Code: Select all
$SITE['useUSNO'] = false; // =false; use internal calcs, =true; use USNO Moon/Sun data
Let me know how it works for you (and if you see any PHP errata from using it).
The calculated times are +/- 1 minute v.s. the built-in calcs (and the USNO) for sun/moon rise/set times -- see attached calcs comparison.
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- ConligWX
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Re: Error regarding USNO Sunmoon data
Will do...
I take it the value in settings.php:
overides the
in get-USNO-sunmoon.php ?
noticed an issue already in https://www.conligwx.org/wxastronomy.php
Moonrise: 01:09 (01/Jan/1970)
Moonset: 17:35 (01/Jan/1970)
Waning Crescent
19% Illuminated
I take it the value in settings.php:
Code: Select all
$SITE['useUSNO'] = false; // =false; use internal calcs, =true; use USNO Moon/Sun data
Code: Select all
$useUSNO = true; // =true; use USNO data, =false; use computed values only (not as accurate)
noticed an issue already in https://www.conligwx.org/wxastronomy.php
Moonrise: 01:09 (01/Jan/1970)
Moonset: 17:35 (01/Jan/1970)
Waning Crescent
19% Illuminated
Regards Simon
https://www.conligwx.org - @conligwx
Davis Vantage Pro2 Plus with Daytime FARS • WeatherLink Live • Davis AirLink • PurpleAir • CumulusMX v4.0.0
https://www.conligwx.org - @conligwx
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- saratogaWX
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Re: Error regarding USNO Sunmoon data
Yes, the Settings.php entry overrides the default set in get-USNO-sunmoon.php script itself.
Here's a better comparison with the USNO v.s. other software for times -- the USNO timeout had to be set to 30 seconds to have the API respond
Here's a better comparison with the USNO v.s. other software for times -- the USNO timeout had to be set to 30 seconds to have the API respond
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- ConligWX
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Re: Error regarding USNO Sunmoon data
I noticed an issue already in https://www.conligwx.org/wxastronomy.php
Moonrise: 01:09 (01/Jan/1970)
Moonset: 17:35 (01/Jan/1970)
Waning Crescent
19% Illuminated
I renamed the USNO-moondata.txt to USNO-moondata.txt.old, but cant see a new file being created.
Moonrise: 01:09 (01/Jan/1970)
Moonset: 17:35 (01/Jan/1970)
Waning Crescent
19% Illuminated
I renamed the USNO-moondata.txt to USNO-moondata.txt.old, but cant see a new file being created.
Regards Simon
https://www.conligwx.org - @conligwx
Davis Vantage Pro2 Plus with Daytime FARS • WeatherLink Live • Davis AirLink • PurpleAir • CumulusMX v4.0.0
https://www.conligwx.org - @conligwx
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- saratogaWX
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Re: Error regarding USNO Sunmoon data
Oops, forgot to honor the $SITE['WDdateMDY'] setting for the output dates.
Change to and that should fix it up.
I've updated the beta script with that change.
Change
Code: Select all
$timeFormat = "H:i m/d/Y";
Code: Select all
$timeFormat = $useMDY?"H:i m/d/Y":"H:i d/m/Y";
I've updated the beta script with that change.
- ConligWX
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Re: Error regarding USNO Sunmoon data
Yep page now has good values.saratogaWX wrote:Oops, forgot to honor the $SITE['WDdateMDY'] setting for the output dates.
ChangetoCode: Select all
$timeFormat = "H:i m/d/Y";
and that should fix it up.Code: Select all
$timeFormat = $useMDY?"H:i m/d/Y":"H:i d/m/Y";
I've updated the beta script with that change.
there are some differences in timings from this page - using Brian Underdown's Homeweather Template
https://www.conligwx.org/pws/moon.php
and
https://www.conligwx.org/wxastronomy.php
moonset seems to be a whole hour out...
Regards Simon
https://www.conligwx.org - @conligwx
Davis Vantage Pro2 Plus with Daytime FARS • WeatherLink Live • Davis AirLink • PurpleAir • CumulusMX v4.0.0
https://www.conligwx.org - @conligwx
Davis Vantage Pro2 Plus with Daytime FARS • WeatherLink Live • Davis AirLink • PurpleAir • CumulusMX v4.0.0
- saratogaWX
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Re: Error regarding USNO Sunmoon data
Brian is using the same class Moon() for rise/set calculations as I am using (renamed to class calcMoon in my code).
That program was showing an hour off the USNO times due to a coding foible the original author had used.. setting the timezone offset by 15degree chunks based on the longitude. The original code was which I changed to use the actual timezone offset (based on $outTZ) to be so the values matched the Standard or Daylight times as needed. That resulted in the same (+/- 1 minute) times as the USNO specified.
Brian seems to have minified the PHP code for that in his livedata.php. I also used the MoonPhase class, with some mods to more accurately match the USNO's declaration of the phases of the moon based on % illumination. The original code kept the 'New', 'First Quarter', 'Full', 'Last Quarter' displays active longer than the USNO had done.
That's been why it took me so long (and several lunar cycles) to tease the algorithms to produce results comparable to the USNO output.
That program was showing an hour off the USNO times due to a coding foible the original author had used.. setting the timezone offset by 15degree chunks based on the longitude. The original code was
Code: Select all
$timezone = (int)($lon / 15);
$date = self::modifiedJulianDate($month, $day, $year);
$date -= $timezone / 24;
Code: Select all
// $timezone = (int)($lon / 15);
$date = self::modifiedJulianDate($month, $day, $year);
// $date -= $timezone / 24;
$timezone = date('Z')/3600; // KT
$date -= $timezone / 24;
Brian seems to have minified the PHP code for that in his livedata.php. I also used the MoonPhase class, with some mods to more accurately match the USNO's declaration of the phases of the moon based on % illumination. The original code kept the 'New', 'First Quarter', 'Full', 'Last Quarter' displays active longer than the USNO had done.
That's been why it took me so long (and several lunar cycles) to tease the algorithms to produce results comparable to the USNO output.
- ConligWX
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Re: Error regarding USNO Sunmoon data
nice.
I was going to see if i could fix that but I just had a hard disk failure! good job i have a cloned imaged:)
I was going to see if i could fix that but I just had a hard disk failure! good job i have a cloned imaged:)
Regards Simon
https://www.conligwx.org - @conligwx
Davis Vantage Pro2 Plus with Daytime FARS • WeatherLink Live • Davis AirLink • PurpleAir • CumulusMX v4.0.0
https://www.conligwx.org - @conligwx
Davis Vantage Pro2 Plus with Daytime FARS • WeatherLink Live • Davis AirLink • PurpleAir • CumulusMX v4.0.0