[Kst] ASCII data - confusion about multiple plots
Barth Netterfield
netterfield at astro.utoronto.ca
Thu Feb 4 01:51:46 UTC 2016
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
>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
>
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>
>
--
C. Barth Netterfield
University of Toronto
416-845-0946
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