OM - Overview » History » Version 29

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Peter Watkins, 05/29/2015 11:01 AM

OM - Overview

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The Monitor Lizard is continually taking data from the dispatcher and creating histograms in a 'current' root file. Users can stay on the main page, and it will automatically update to the most recent file with a latency of a few minutes. This web browser interface will allow shifters to easily inspect histograms with reference plots, to ensure the detector is operating normally.



To quickly get to the histogram that you are interested in, use the Navigation block on the far left.

This works exactly like a list that you can expand or collapse to explore the current file.


Once you have found the histogram you are interested in you have many options.
Each box has an expand, print, and minimize option in right corner of title bar.
-Can also save plot as image (using right-click, double finger click, or screen grab)
Press title bar to show only that box on a page.
-Or use navigation for same effect
User can grab an pull axis of plots to zoom in/out.
Press (l) or logscale check box to logscale plot.
Press (f) or fill check box to fill plot.
Press (b) or reference on top check box to place a reference plot on top of current plot.
Press (r) or reset button to return to original plot settings.
Drag and pull data to scroll horizontally.
Running cursor over plot gives x-axis location and y-axis hight for that bar of data, respectively, given by content which appears under the plot.

Under mapccc and mapwire under tpc:
Run cursor over crates/planes to magnify channels/wires and give a value.
-Or click on individual channel/wire to bring up individual plots and data
User can pull to adjust axis and scroll on bar plots in order to zoom on areas of interest, plots above adjust to show corresponding data.
Colors specify to specific numbers given by bar plot.
-Generally the hotter the color the more interactions


File Browser

Users can use the file browser tab at the top of the page in order to look at old data for comparisons

Navigation by URL (in progress)

You may also note the change in the URL. Something like would take you to run 1 subrun 6. would take you to run 1 subrun 6 and run 1 subrun 5. would take you to run 1 subrun 6 but stright to the pmt data
Some will find this to be a faster means of navigation.

  • Questions you might have
  • Scratchzone

    print full page->remove
    helps and hints tab->redirect to wiki
    reference not found->find suitable references
    non-scaling reference and leaving marks on plot
    logscale option missing from mapwire
    add vertical indicator under cursor to make sense of content
    or painting a region to have it give a value
    no reset button on mapccc
    no rest or logscale buttons on mapwire
    no logscale for triggerflag correlation matrix or framediffs bin contents
    > scale y-axis for now
    no calib on x-axis^
    not helpful descriptions under TPC and PMT plots
    reset on pmt summed wave form erases y-axis
    add frame number
    double click on logscale for tpc waveform makes plot overflow
    >press reset for now
    negative numbers in exponential when they don't need to be
    sibling plot buttons
    navigation expands too much and throws a single plot at the top you have to scroll to see->click the title in navigation again for now
    show first sigfig on mean
    PMT peak time instead of optical pulse time?