[Kst] ASCII data - confusion about multiple plots
Daniel Miller
dmiller at vitalconnect.com
Thu Feb 4 01:55:30 UTC 2016
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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