[Kst] ASCII data - confusion about multiple plots

Barth Netterfield netterfield at astro.utoronto.ca
Thu Feb 4 01:58:40 UTC 2016


-P <name> says all future plots will be in a plot internally titled
<name>.  Later, you can specify -P <another name> to start putting curves
in a new plot.  You can use -A to send all future curves into their own
plots.



On Wed, Feb 3, 2016 at 8:55 PM, Daniel Miller <dmiller at vitalconnect.com>
wrote:

> Oh My !!!  Thanks, sorry, parsing error on my part... yep, that works
> beautifully!!  I'll have to automate it somewhat, for others here, but it
> indeed works great...  Thank you very much!!
>
> On Wed, Feb 3, 2016 at 5:51 PM, Barth Netterfield <
> netterfield at astro.utoronto.ca> wrote:
>
>> kst -P *1* .....
>>
>> You forgot the 1.
>>
>> Also - the handbook, unfortunately, is for kst 1.x.  kst 2.x has some
>> changes.
>>
>> On Wed, Feb 3, 2016 at 8:45 PM, Daniel Miller <dmiller at vitalconnect.com>
>> wrote:
>>
>>> BTW, *most* of the CL examples do not work with the Windows kst; running
>>> from command line *only* works if data filename is specified first on
>>> line... is that a bug??  Or is there just some other option that I need to
>>> use for filename??
>>>
>>>
>>> On Wed, Feb 3, 2016 at 5:42 PM, Daniel Miller <dmiller at vitalconnect.com>
>>> wrote:
>>>
>>>> /filed/failed/
>>>>
>>>> On Wed, Feb 3, 2016 at 5:41 PM, Daniel Miller <dmiller at vitalconnect.com
>>>> > wrote:
>>>>
>>>>> Okay, I have three files - accel_x.asc, accel_y.asc, accel_z.asc
>>>>> Each contains two columns:
>>>>>
>>>>> bsp_count accel_x
>>>>> 84835791 -104
>>>>> 84835812 -104
>>>>> 84835832 -104
>>>>> 84835853 -104
>>>>> ...
>>>>>
>>>>> I executed the following command:
>>>>> c:\kst-2.0.8\bin\kst2 -P accel_x.asc -x bsp_count -y accel_x
>>>>> accel_y.asc -x bsp_count -y accel_y accel_z.asc -x bsp_count -y accel_z
>>>>>
>>>>> However, command filed with:
>>>>> "No data files specified"
>>>>>
>>>>> I got this message previously, when I tried following the command-line
>>>>> instructions literally; i.e., I put options before data file.  I fixed it
>>>>> by using for example:
>>>>>
>>>>> c:\kst-2.0.8\bin\kst2 rssi.asc -x bsp_count -y rssi
>>>>>
>>>>> So that filename was first.  However, I cannot do that in this case
>>>>> with multiple filenames...
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> On Wed, Feb 3, 2016 at 5:26 PM, Daniel Miller <
>>>>> dmiller at vitalconnect.com> wrote:
>>>>>
>>>>>> Anyway, I'll test out your test... if that works, I'll be done!!
>>>>>> Thanks!!
>>>>>>
>>>>>>
>>>>>> On Wed, Feb 3, 2016 at 5:25 PM, Daniel Miller <
>>>>>> dmiller at vitalconnect.com> wrote:
>>>>>>
>>>>>>> I'm using kst V2.0.8 on Windows 7, 64-bit.
>>>>>>> When I do --help, I get a pop-up window that shows only:
>>>>>>> KST Command Line Usage
>>>>>>> ************************
>>>>>>> *** Load a kst file: ***
>>>>>>> kst [OPTIONS] kstfile
>>>>>>>
>>>>>>> [OPTIONS] will override the datasource parameters for all data
>>>>>>> sources in the kst file:
>>>>>>>      -F  <datasource>
>>>>>>>      -f  <startframe>
>>>>>>>      -n  <numframes>
>>>>>>>      -s  <frames per sample>
>>>>>>>      -a                     (apply averaging filter: requires -s)
>>>>>>>
>>>>>>> ************************
>>>>>>>
>>>>>>> it *does* have a "Show Details..." button, but that opens up help in
>>>>>>> a 5-line scrolling window, but it's rather hard to read.  Actually, I
>>>>>>> probably could copy-and-paste that window into a doc, but I ended up
>>>>>>> getting the data from somewhere else...
>>>>>>>
>>>>>>>
>>>>>>> On Wed, Feb 3, 2016 at 4:06 PM, Barth Netterfield <
>>>>>>> netterfield at astro.utoronto.ca> wrote:
>>>>>>>
>>>>>>>> Hmmm...  What version of kst are you using?  what platform?
>>>>>>>>
>>>>>>>> I am on Linux.
>>>>>>>>
>>>>>>>> For a reasonably recent version of kst2:
>>>>>>>>
>>>>>>>> If I have files d1.dat, d2.dat, and d3.dat.  Each are 2 column
>>>>>>>> data, delimited to whatever you have set the default to in the gui.  (by
>>>>>>>> default, this is space).
>>>>>>>>
>>>>>>>>      $ kst2 -P 1 d1.dat -x 1 -y 2 d2.dat -x 1 -y 2 d3.dat -x 1 -y 2
>>>>>>>>
>>>>>>>> will put all three curves in the same plot
>>>>>>>>
>>>>>>>> Whe I try kst2 --help, I get:
>>>>>>>>
>>>>>>>> $ kst2 --help
>>>>>>>> KST Command Line Usage
>>>>>>>> ************************
>>>>>>>> *** Load a kst file: ***
>>>>>>>> kst [OPTIONS] kstfile
>>>>>>>>
>>>>>>>> [OPTIONS] will override the datasource parameters for all data
>>>>>>>> sources in the kst file:
>>>>>>>>      -F  <datasource>
>>>>>>>>      -f  <startframe>
>>>>>>>>      -n  <numframes>
>>>>>>>>      -s  <frames per sample>
>>>>>>>>      -a                     (apply averaging filter: requires -s)
>>>>>>>>
>>>>>>>> ************************
>>>>>>>> *** Read a data file ***
>>>>>>>> kst datasource OPTIONS [datasource OPTIONS []]
>>>>>>>>
>>>>>>>> OPTIONS are read and interpreted in order. Except for data object
>>>>>>>> options, all are applied to all future data objects, unless later
>>>>>>>> overridden.
>>>>>>>> Output Options:
>>>>>>>>      --print <filename>       Print to file and exit.
>>>>>>>>      --landscape              Print in landscape mode.
>>>>>>>>      --portrait               Print in portrait mode.
>>>>>>>>      --Letter                 Print to Letter sized paper.
>>>>>>>>      --A4                     Print to A4 sized paper.
>>>>>>>>      --png <filename>         Render to a png image, and exit.
>>>>>>>> File Options:
>>>>>>>>      -f <startframe>          default: 'end' counts from end.
>>>>>>>>      -n <numframes>           default: 'end' reads to end of file
>>>>>>>>      -s <frames per sample>   default: 0 (read every sample)
>>>>>>>>      -a                       apply averaging filter: requires -s
>>>>>>>>
>>>>>>>> Ascii File Options - for ascii files only: these are all stick
>>>>>>>>      --asciiDataStart <Line>  Data starts here. Files start at line
>>>>>>>> 1.
>>>>>>>>      --asciiFieldNames <Line> Field names are in this row.
>>>>>>>>      --asciiNoFieldNames      Fields are named for their data
>>>>>>>> column
>>>>>>>>      --asciiReadUnits <Line>  Read units from line <Line>
>>>>>>>>      --asciiNoUnits       Do not read units
>>>>>>>>      --asciiSpaceDelim        Columns are Space/tab delimited
>>>>>>>>      --asciiDelim <char>      Columns are dlimited with <char>
>>>>>>>>      --asciiFixedWidth <w>    Columns have width <w>
>>>>>>>>      --asciiNoFixedWidth      Columns are delimited, not fixed
>>>>>>>> width
>>>>>>>>      --asciiDecimalDot        Use a . as a decimal separator (ie,
>>>>>>>> 10.1)
>>>>>>>>      --asciiDecimalComma      Use a , as a decimal separator (ie,
>>>>>>>> 10,1)
>>>>>>>> Position:
>>>>>>>>      -P <plot name>:          Place curves in one plot.
>>>>>>>>      -A                       Place future curves in individual
>>>>>>>> plots.
>>>>>>>>      -m <columns>             Layout plots in columns
>>>>>>>>      -T <tab name>            Place future curves a new tab.
>>>>>>>> Appearance
>>>>>>>>      -d:                      use points for the next curve
>>>>>>>>      -l:                      use lines for the next curve
>>>>>>>>      -b:                      use bargraph for the next curve
>>>>>>>>      --xlabel <X Label>       Set X label of all future plots.
>>>>>>>>      --ylabel <Y Label>       Set Y label of all future plots.
>>>>>>>>      --xlabelauto             AutoSet X label of all future plots.
>>>>>>>>      --ylabelauto             AutoSet Y label of all future plots.
>>>>>>>> Data Object Modifiers
>>>>>>>>      -x <field>:              Create vector and use as X vector for
>>>>>>>> curves.
>>>>>>>>      -e <field>:              Create vector and use as Y-error
>>>>>>>> vector for next -y.
>>>>>>>>      -r <rate>:               sample rate (spectra & spectograms).
>>>>>>>> Data Objects:
>>>>>>>>      -y <field>               plot an XY curve of field.
>>>>>>>>      -p <field>               plot the spectrum of field.
>>>>>>>>      -h <field>               plot a histogram of field.
>>>>>>>>      -z <field>               plot an image of matrix field.
>>>>>>>>
>>>>>>>> ****************
>>>>>>>> *** Examples ***
>>>>>>>>
>>>>>>>> Data sources and fields:
>>>>>>>> Plot all data in column 2 from data.dat.
>>>>>>>>       kst data.dat -y 2
>>>>>>>>
>>>>>>>> Same as above, except only read 20 lines, starting at line 10.
>>>>>>>>       kst data.dat -f 10 -n 20 -y 2
>>>>>>>>
>>>>>>>> ... also read col 1. One plot per curve.
>>>>>>>>       kst data.dat -f 10 -n 20 -y 1 -y 2
>>>>>>>>
>>>>>>>> Read col 1 from data2.dat and col 1 from data.dat
>>>>>>>>       kst data.dat -f 10 -n 20 -y 2 data2.dat -y 1
>>>>>>>>
>>>>>>>> Same as above, except read 40 lines starting at 30 in data2.dat
>>>>>>>>       kst data.dat -f 10 -n 20 -y 2 data2.dat -f 30 -n 40 -y 1
>>>>>>>>
>>>>>>>> Specify the X vector and error bars:
>>>>>>>> Plot x = col 1 and Y = col 2 and error flags = col 3 from data.dat
>>>>>>>>       kst data.dat -x 1 -e 3 -y 2
>>>>>>>>
>>>>>>>> Get the X vector from data1.dat, and the Y vector from data2.dat.
>>>>>>>>       kst data1.dat -x 1 data2.dat -y 1
>>>>>>>>
>>>>>>>> Placement:
>>>>>>>> Plot column 2 and column 3 in plot P1 and column 4 in plot P2
>>>>>>>>       kst data.dat -P P1 -y 2 -y 3 -P P2 -y 4
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> On Wed, Feb 3, 2016 at 6:59 PM, Daniel Miller <
>>>>>>>> dmiller at vitalconnect.com> wrote:
>>>>>>>>
>>>>>>>>> I would appreciate the command-line args to handle plotting
>>>>>>>>> multiple files; the --help argument only documents 5 arguments, and doesn't
>>>>>>>>> even work the way it is documented... I found a more complete command-line
>>>>>>>>> help in the Kst Handbook, but task like these aren't all that obvious...
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> On Wed, Feb 3, 2016 at 3:52 PM, Barth Netterfield <
>>>>>>>>> netterfield at astro.utoronto.ca> wrote:
>>>>>>>>>
>>>>>>>>>> Yes:
>>>>>>>>>> the last page of the data wizard gives an option to put the curve
>>>>>>>>>> in a plot that already exists.
>>>>>>>>>> The curve creation dialog has an option to put the curve in a
>>>>>>>>>> plot that already exists.
>>>>>>>>>> You can do it from the command line even easier.  I can give you
>>>>>>>>>> the incantation if you can't clean it from kst2 --help.
>>>>>>>>>>
>>>>>>>>>> cbn
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> On Wed, Feb 3, 2016 at 6:36 PM, Daniel Miller <
>>>>>>>>>> dmiller at vitalconnect.com> wrote:
>>>>>>>>>>
>>>>>>>>>>> hmmm... well, I prefer lines to points in kst2; the plots with
>>>>>>>>>>> points are sort of hard to utilize, but I'll take a look at it and see what
>>>>>>>>>>> it looks like.
>>>>>>>>>>>
>>>>>>>>>>> Alternately, is there some way to input three data files, but
>>>>>>>>>>> have them plotted on one plot??  I haven't really seen that in the manual
>>>>>>>>>>> either...
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> On Wed, Feb 3, 2016 at 3:33 PM, Barth Netterfield <
>>>>>>>>>>> netterfield at astro.utoronto.ca> wrote:
>>>>>>>>>>>
>>>>>>>>>>>> As you have sort of figured out, kst's data source model will
>>>>>>>>>>>> want you to have 3 different ascii files in this case.
>>>>>>>>>>>>
>>>>>>>>>>>> But, if you just want to plot points, and not lines, you can
>>>>>>>>>>>> use NaN as your bad data marker.
>>>>>>>>>>>>
>>>>>>>>>>>> On Wed, Feb 3, 2016 at 6:30 PM, Daniel Miller <
>>>>>>>>>>>> dmiller at vitalconnect.com> wrote:
>>>>>>>>>>>>
>>>>>>>>>>>>> I have kst2 working with single plot stream... that works very
>>>>>>>>>>>>> nicely.  At this point, I'm using space as separator between fields.
>>>>>>>>>>>>>
>>>>>>>>>>>>> However, we have a couple of data streams which contain
>>>>>>>>>>>>> multiple data (x, y, z); in this situation, what our data would look like
>>>>>>>>>>>>> is ( timestamp, data), but the data would be one of { data_x, data_y,
>>>>>>>>>>>>> data_z }.  In other words, the data stream that I receive from the
>>>>>>>>>>>>> hardware, delivers data_x, data_y, data_z in separate messages, with
>>>>>>>>>>>>> different timestamps.
>>>>>>>>>>>>>
>>>>>>>>>>>>> I want kst2 to read this ascii data file and plot 3 separate
>>>>>>>>>>>>> graphs on one plot.
>>>>>>>>>>>>> I'm a little confused about how to do this, though;
>>>>>>>>>>>>>
>>>>>>>>>>>>> for example, say I have a line with data for data_z; this will
>>>>>>>>>>>>> look something like:
>>>>>>>>>>>>> timestamp data_z
>>>>>>>>>>>>> however, I want one file to contain data for all three
>>>>>>>>>>>>> streams, so I'm guessing I need to have empty fields for the not-relevant
>>>>>>>>>>>>> data; maybe something like:
>>>>>>>>>>>>> timestamp unused_x unused_y data_z
>>>>>>>>>>>>> timestamp unused_x data_y unused_z
>>>>>>>>>>>>> etc...
>>>>>>>>>>>>>
>>>>>>>>>>>>> So first off, I probably have to use a different separator
>>>>>>>>>>>>> rather than space for separator; but even with comma, I still have a
>>>>>>>>>>>>> problem; for example:
>>>>>>>>>>>>>
>>>>>>>>>>>>> timestamp, 0, 0, data_z
>>>>>>>>>>>>> timestamp, 0, data_y, 0
>>>>>>>>>>>>>
>>>>>>>>>>>>> Except that in some cases, 0 is valid data; I *think* I need
>>>>>>>>>>>>> some way to represent "invalid data" in the unused fields.
>>>>>>>>>>>>>
>>>>>>>>>>>>> Is this understandable??  How do I handle this??
>>>>>>>>>>>>> Dan Miller
>>>>>>>>>>>>>
>>>>>>>>>>>>> _______________________________________________
>>>>>>>>>>>>> Kst mailing list
>>>>>>>>>>>>> Kst at kde.org
>>>>>>>>>>>>> https://mail.kde.org/mailman/listinfo/kst
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> --
>>>>>>>>>>>> C. Barth Netterfield
>>>>>>>>>>>> University of Toronto
>>>>>>>>>>>> 416-845-0946
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> _______________________________________________
>>>>>>>>>>>> Kst mailing list
>>>>>>>>>>>> Kst at kde.org
>>>>>>>>>>>> https://mail.kde.org/mailman/listinfo/kst
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> _______________________________________________
>>>>>>>>>>> Kst mailing list
>>>>>>>>>>> Kst at kde.org
>>>>>>>>>>> https://mail.kde.org/mailman/listinfo/kst
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> --
>>>>>>>>>> C. Barth Netterfield
>>>>>>>>>> University of Toronto
>>>>>>>>>> 416-845-0946
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> _______________________________________________
>>>>>>>>>> Kst mailing list
>>>>>>>>>> Kst at kde.org
>>>>>>>>>> https://mail.kde.org/mailman/listinfo/kst
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>> _______________________________________________
>>>>>>>>> Kst mailing list
>>>>>>>>> Kst at kde.org
>>>>>>>>> https://mail.kde.org/mailman/listinfo/kst
>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> --
>>>>>>>> C. Barth Netterfield
>>>>>>>> University of Toronto
>>>>>>>> 416-845-0946
>>>>>>>>
>>>>>>>>
>>>>>>>> _______________________________________________
>>>>>>>> Kst mailing list
>>>>>>>> Kst at kde.org
>>>>>>>> https://mail.kde.org/mailman/listinfo/kst
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>> _______________________________________________
>>> Kst mailing list
>>> Kst at kde.org
>>> https://mail.kde.org/mailman/listinfo/kst
>>>
>>>
>>
>>
>> --
>> C. Barth Netterfield
>> University of Toronto
>> 416-845-0946
>>
>>
>> _______________________________________________
>> Kst mailing list
>> Kst at kde.org
>> https://mail.kde.org/mailman/listinfo/kst
>>
>>
>
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>
>


-- 
C. Barth Netterfield
University of Toronto
416-845-0946
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