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Author Topic: Latest PIOMAS update (February)  (Read 889666 times)

psymmo7

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Re: Latest PIOMAS update (January)
« Reply #2700 on: February 05, 2019, 12:51:39 PM »
Sadly downloaded .mp4 doesn't work on my widows 10 computer and "gspot" program https://www.videohelp.com/software/GSpot can't identify codec needed.
What players are those others using that get it to work?

uniquorn

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Re: Latest PIOMAS update (January)
« Reply #2701 on: February 05, 2019, 12:58:59 PM »
Thanks Wipneus  :)
Works very well using VLC

binntho

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Re: Latest PIOMAS update (January)
« Reply #2702 on: February 05, 2019, 01:08:28 PM »
It worked for me flawlessly in the browser (Google Chrome) on a Windows 10 machine.

Neven

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Re: Latest PIOMAS update (January)
« Reply #2703 on: February 05, 2019, 01:13:57 PM »
I've taken the liberty of uploading it to YouTube (let me know if that's not okay with you, Wip):

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Wipneus

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Re: Latest PIOMAS update (January)
« Reply #2704 on: February 05, 2019, 04:25:12 PM »
Lots of people can see the animation within the forum, some have to download first and some have failed altogether.

On my Linux computer Chrome works fine but Firefox does not recognise the movie. I have uploaded a smaller animation that works fine here with both browsers.

Can people that had difficulties give it a try and report?

The post is here:
https://forum.arctic-sea-ice.net/index.php/topic,2558.msg188194.html#msg188194

psymmo7

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Re: Latest PIOMAS update (January)
« Reply #2705 on: February 05, 2019, 05:25:16 PM »
Hi Wipneus,
your short .mp4 test animation worked fine with both Firefox, Chrome and Microsoft edge under Windows 10.
I also tested the original post in Chrome. It worked fine, but it didn't play in either Firefox or Edge.
The problem clearly lies with Firefox / Edge.

After downloading the short test animation also played in most video players whereas the
original big .mp4 file didn't play in the same players  because its codec wan't recognized.

I hope this information is useful


Wipneus

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Re: Latest PIOMAS update (January)
« Reply #2706 on: February 05, 2019, 06:44:45 PM »
Thanks to all that have tried and responded.

The positive feedbacks gives me confidence that I have nailed a big source of the incompatibility. In short: do not create mp4 files with an odd number of rows.

Cropping the image height from 695 to 694 gives the attached "big" animation:

magnamentis

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Re: Latest PIOMAS update (January)
« Reply #2707 on: February 05, 2019, 09:32:57 PM »
Thanks to all that have tried and responded.

The positive feedbacks gives me confidence that I have nailed a big source of the incompatibility. In short: do not create mp4 files with an odd number of rows.

Cropping the image height from 695 to 694 gives the attached "big" animation:

works great on windows 7 chrome, windows 10 chrome, osx safari, osx mojave chrome and android 7.0 - 9.0 chrome browser, that's quite a lot of compatibilitiy IMO
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Stephan

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Re: Latest PIOMAS update (January)
« Reply #2708 on: February 05, 2019, 09:51:40 PM »
Wipneus - brilliant.
The original video worked finely without any problems on my laptop basing on a Windows 8 system. I am on www. using Google Chrome.

oren

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Re: Latest PIOMAS update (January)
« Reply #2709 on: February 06, 2019, 02:17:00 AM »
Thanks Wipneus. That is the most amazing animation I've seen for quite a while.

longwalks1

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Re: Latest PIOMAS update (January)
« Reply #2710 on: February 06, 2019, 04:27:34 PM »
Player  for .mp4
  "mpv"  It is supposed to work on Windows ( at least 7 and 10) 
https://mpv.io/installation/

For linux any distro should support.  It does not drag in "everything but the kitchen sink" like VLC. (which would make it smaller than VLC in Windows also.)  It has just worked for me for years. 

The video was definitely a keeper.  Mange tusen takk. (Many thousand thanks)

psymmo7

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Re: Latest PIOMAS update (January)
« Reply #2711 on: February 06, 2019, 07:39:33 PM »
Thanks to all that have tried and responded.

The positive feedbacks gives me confidence that I have nailed a big source of the incompatibility. In short: do not create mp4 files with an odd number of rows.

Cropping the image height from 695 to 694 gives the attached "big" animation:

Thanks Wipneus - works great even in Firefox and its a great video - brings home the message.
 
and thanks  longwalks1 for the "mpv" videoplayer tip.  The downloaded mp4s (either original or the latest one) all play fine with it.


RealityCheck

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Re: Latest PIOMAS update (January)
« Reply #2712 on: February 06, 2019, 08:03:27 PM »
Wow.
'Sic transit gloria mundi' - in one 2-minute video.
A truly stunning story. Many thanks Wipneus.
I intend to use this for educational purposes. How would you like to be credited, please?
Sic transit gloria mundi

Eric

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Re: Latest PIOMAS update (January)
« Reply #2713 on: February 10, 2019, 06:14:11 PM »
Here are the volume and volume-anomaly graphs updated to 2018.

Hello Wipneus,
I’ve been using your PIOMAS daily arctic ice volume webpage as a dashboard and communication tool whenever the issue comes up in a conversation for the last 6 years. Thanks so much for that !
I’m not sure if it’s due to the government shutdown or just missing space for 2019, but your latest charts are missing this year’s data.
I noticed the polar science center seems to have the latest data, but since your charts are much easier to read, I thought I’d point that out.
Anyway, keep up the good work
http://psc.apl.uw.edu/wordpress/wp-content/uploads/schweiger/ice_volume/BPIOMASIceVolumeAnomalyCurrentV2.1_CY.png

Neven

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Re: Latest PIOMAS update (January)
« Reply #2714 on: February 10, 2019, 06:48:43 PM »
Looks like the graphs have been updated, but the data not yet.

Edit: Data updated too now.
« Last Edit: February 10, 2019, 08:29:32 PM by Neven »
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crandles

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Re: Latest PIOMAS update (January)
« Reply #2715 on: February 10, 2019, 06:54:25 PM »
Have we noticed PIOMAS being 7th lowest before?

Neven

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Re: Latest PIOMAS update (January)
« Reply #2716 on: February 10, 2019, 10:58:41 PM »
PIOMAS February 2019 is up on the ASIB.
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TerryM

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Re: Latest PIOMAS update (January)
« Reply #2717 on: February 11, 2019, 01:36:34 AM »
Wipneus


Simply Wonderful!


Terry

Wipneus

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Re: Latest PIOMAS update (February)
« Reply #2718 on: February 11, 2019, 02:56:03 PM »
PIOMAS has released the official volume data up to the end of January. Unfortunately not the daily gridded data that I use for the animation and some other graphs.

Attached are the volume and volume-anomaly graphs. I tried to do something quick about the "reds problem", still not ideal but looks to me a little better.  If someone knows a source with optimum distinguishing colors for a line-style graphic with 20 or so lines...


gerontocrat

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Re: Latest PIOMAS update (February)
« Reply #2719 on: February 11, 2019, 05:40:03 PM »
Here is the volume data presented in the same format as I use for the JAXA ice extent tables and graphs. Daily volume increases mostly above average in January, hence 6th lowest became 7th lowest.
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gerontocrat

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Re: Latest PIOMAS update (February)
« Reply #2720 on: February 11, 2019, 06:58:48 PM »
And a couple of more graphs - data from Wipneus and Polar Science Center.
Monthly Averages and 365 day averages since 1979
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b_lumenkraft

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Re: Latest PIOMAS update (February)
« Reply #2721 on: February 11, 2019, 07:41:56 PM »
Following that polynomial, when is it at zero gerontocrat?

gerontocrat

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Re: Latest PIOMAS update (February)
« Reply #2722 on: February 11, 2019, 09:10:51 PM »
Following that polynomial, when is it at zero gerontocrat?
I have not looked - projecting any time into the future, especially that far, using these chart tools is where madness lies. I just added the x2 polynomial to see if it suggested currently volume loss is on an accelerating trend.

What matters is what will change in the Arctic, how that will affect Arctic sea ice, and how that will in turn change the changes in the Arctic and so on........
"Para a Causa do Povo a Luta Continua!"
"And that's all I'm going to say about that". Forrest Gump
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slow wing

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Re: Latest PIOMAS update (February)
« Reply #2723 on: February 12, 2019, 06:28:22 AM »
If someone knows a source with optimum distinguishing colors for a line-style graphic with 20 or so lines...
Wipneus, using the colours in going around a 'colour wheel' provides a partial solution, at least for graphs with up to 12 colours.

Interpolating to intermediate colours in an attempt to increase the number of colours doesn't work as the shades become too difficult to distinguish.

However, you can reasonably double the number of colours by also including a corresponding wheel of darker colours, where the colour values have been reduced in approximate proportion from those in the original colour wheel.

Attached is my suggestion for RGB colour values when doing graphs with up to 24 colours.

charles_oil

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Re: Latest PIOMAS update (February)
« Reply #2724 on: February 12, 2019, 08:32:54 AM »
... or how about dashed line(s) e.g 10 yr / 5y could be dashed ?   I wouldn't do last 5 dashed as they may be close.   Or earlier ones (pre 2000 / 2010 even) as faded colours / very fine lines.