 17 Jun 2019, Stefan Ritt, Bug Fix, removed modbset() from mhttpd.js
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A ladder of promise event handlers is certainly one possibility to enforce the order of ODB writes, but I wonder if we could so something simpler:
- modbset creates an object remembering the status of the RPC request. Initially, this object receives the status "open request"
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18 Jun 2019, Konstantin Olchanski, Bug Fix, removed modbset() from mhttpd.js
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> A ladder of promise event handlers is certainly one possibility to enforce the order of ODB writes, but I wonder if we could so something simpler:
>
> - modbset creates an object remembering the status of the RPC request. Initially, this object receives the status "open request"
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18 Jun 2019, Stefan Ritt, Bug Fix, removed modbset() from mhttpd.js
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Just to make this point clear: The "write-to-odb-read-via-hotlink" was never meant to guarantee the receiving side to see each change. If changes happen
too often, updates might get lost. If one relies on the
sequence of updates, one should use direct RPC calls to the frontend or use a midas buffer and encode updates in events.
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18 Jun 2019, Konstantin Olchanski, Bug Fix, removed modbset() from mhttpd.js
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> Just to make this point clear: The "write-to-odb-read-via-hotlink" was never meant to guarantee the receiving side to see each change. If changes happen
too often, updates might get lost. If one relies on the
> sequence of updates, one should use direct RPC calls to the frontend or use a midas buffer and encode updates in events.
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 14 Aug 2019, Konstantin Olchanski, Bug Fix, incorrect recursion in ss_suspend() via the user event handler
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The ROOTANA midas analyzer uncovered a problem with recursive use of ss_suspend().
When running in graphical mode, the ROOT graphics main event loop was calling
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27 Sep 2019, Konstantin Olchanski, Bug Fix, improvement for midas web page resource use
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I noticed that midas web pages consume unexpectedly large amount of resources, as observed by the chrome browser
"task manager" and by other tools.
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27 Sep 2019, Konstantin Olchanski, Bug Fix, improvement for midas web page resource use (alarm sound)
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> I noticed that midas web pages consume unexpectedly large amount of resources, as observed by the chrome browser
> "task manager" and by other tools.
>
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28 Nov 2019, Konstantin Olchanski, Bug Fix, improvement for midas web page resource use (alarm sound and fit_message)
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> > I noticed that midas web pages consume unexpectedly large amount of resources, as observed by the chrome browser
> > "task manager" and by other tools.
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28 Nov 2019, Konstantin Olchanski, Bug Fix, improvement for midas web page resource use (alarm sound and fit_message)
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> > > I noticed that midas web pages consume unexpectedly large amount of resources, as observed by the chrome browser
> > > "task manager" and by other tools.
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24 Jun 2021, Konstantin Olchanski, Bug Fix, changes in history plots
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I am updating the history plots. Main changes:
- the old history display code should again be easily usable (use the "open in old history display" checkbox)
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24 Jun 2021, Stefan Ritt, Bug Fix, changes in history plots
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I disagree with the proposed change to scale the HV current for a "nice" display. If values are scaled, the axis should be
scaled in the same way. Otherwise people might read the current from the plot, look at the axis, and again get the wrong
value (the factor of 25x you mention). Sure you can hover with the cursor over the graph, and see the right value, but think
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25 Jun 2021, Stefan Ritt, Bug Fix, changes in history plots
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A general warning: With the recent history changes implemented in the develop branch, starting from a fresh ODB and editing
any history panel, on gets tons of errors and debug output from mhttpd:
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25 Jun 2021, Marco Francesconi, Bug Fix, changes in history plots
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We are using the new history formula as a quick way to convert signals from sensors to actual physical values (for example Voltage->Temperature, Voltage->relative
humidity
...), so it is great that the shown voltage is the calculated one.
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25 Jun 2021, Konstantin Olchanski, Bug Fix, changes in history plots
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> A general warning: With the recent history changes implemented in the develop branch, starting from a fresh ODB and editing
> any history panel, on gets tons of errors and debug output from mhttpd: ...
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25 Jun 2021, Konstantin Olchanski, Bug Fix, changes in history plots
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> I disagree ...
I am happy with disagreement and differences of opinions. Zest of life, driver of progress and improvements, etc.
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25 Jun 2021, Konstantin Olchanski, Bug Fix, changes in history plots
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> > The only "correct" way in my opinion is to implement two vertical axis, as can be seen in some papers. One for the HV, and a
> > new TBD right axis for the current values, then indicating for each graph if the left or right vertical axis applies. For
> > the secondary axis we can have autoscaling or fixed scaling, as we have for the primary axis.
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25 Jun 2021, Konstantin Olchanski, Bug Fix, changes in history plots
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I will have to post an example of a scaled plot. I figure everybody forgot how they look like.
K.O.
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30 Jun 2021, Konstantin Olchanski, Bug Fix, changes in history plots
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> I am updating the history plots.
> So the idea is to use this computation:
> y_position_on_plot = offset + factor*(formula(history_value) - voffset)
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14 Jul 2021, Konstantin Olchanski, Bug Fix, changes in history plots
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Moving in the direction of this proposal. History plot editor is updated according to it. Remaining missing piece is the "show
raw value" buttons and code behind them.
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14 Jul 2021, Konstantin Olchanski, Bug Fix, changes in history plots
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> Moving in the direction of this proposal. Remaining missing piece is the "show
> raw value" buttons and code behind them.
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