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14 Aug 2019, Stefan Ritt, Info, New history plot facility
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06 Sep 2019, Andreas Suter, Info, New history plot facility
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06 Sep 2019, Stefan Ritt, Info, New history plot facility
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06 Sep 2019, Andreas Suter, Info, New history plot facility
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07 Sep 2019, Stefan Ritt, Info, New history plot facility
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08 Sep 2019, Stefan Ritt, Info, New history plot facility
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10 Sep 2019, Andreas Suter, Info, New history plot facility
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16 Sep 2019, Konstantin Olchanski, Info, New history plot facility
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17 Sep 2019, Andreas Suter, Info, New history plot facility
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17 Sep 2019, Konstantin Olchanski, Info, New history plot facility
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16 Sep 2019, Konstantin Olchanski, Info, New history plot facility
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16 Sep 2019, Stefan Ritt, Info, New history plot facility
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Message ID: 1688
Entry time: 16 Sep 2019
In reply to: 1662
Reply to this: 1690
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Author: |
Konstantin Olchanski |
Topic: |
Info |
Subject: |
New history plot facility |
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> During my visit at TRIUMF we rewrote the history plotting functionality of midas.
This is a most amazing achievement. We wanted to do this "for years" and I think we have
benefitted greatly from the delay - tools available for building interactive web graphics
have improved so much so recently.
For example, delivering binary data from mhttpd to javascript (avoiding json encoding and decoding
saves tons of CPU cycles) went from "how do I do this?!?" to "I did it in only 3 hours!".
> We are now in a state where this is still work in progress, but already at this stage it might
> be useful for others to report any feedback.
The old gif-based history plots took a lot of effort and a long time to get where they work well
for most experiments and where we are happy with them.
From the TRIUMF side of things, lots of polishing of the graphics and of the user interface came
through use at our bigger experiments - TWIST (TRIUMF), ALPHA (CERN), T2K/ND280 (Japan).
So, much improvement and polishing of the new graphics is still ahead for us.
> Simply upgrade the the newest develop branch of midas, and you will see two menu items
> "OldHistory" which is the old system and "History" which is the new system.
I hope to start the new release branch for midas-2019-09 soon. For the release, we will try
to have both the old and the new history graphics to integrate smoothly. The old graphics
still has to work well, as some users may prefer the old graphics and the old user interface.
Also the new system is still incomplete, i.e. there is no trivial way to save a history plot into a file:
> Following items are planned, but not yet implemented:
> - Printing of run markers as in the old history
> - Export / Printing / Sending to ELOG any history plot
K.O. |