[Kst] ASCII data - confusion about multiple plots
Daniel Miller
dmiller at vitalconnect.com
Thu Feb 4 01:26:52 UTC 2016
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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