Re: [Gnuplot-info] Piecewise constant plot

[Torquil M. S. <to...@gm...>]

Thanks Thomas, it works like a charm. Now I can simplify my data file 
output.

Best regards
Torquil Sørensen
Norway

Thomas Sefzick wrote:
> plot "data.txt" using 1:2 with steps
> 
> 
> Torquil Macdonald Sørensen wrote:
>> Hello, can gnuplot draw a piecewise constant graph from a simple data
>> file?
>>
>> Here is an example: Let the data file be like the following:
>>
>> 0 0
>> 1 1
>> 2 2
>>
>> Then I want a graph that is 0 on x \in [0,1), 1 on [1,2), and so on. Is 
>> that possible in gnuplot without modifying the data file?
>>
>> I guess it is possible to run a complicated series of command to filter 
>> the data file as gnuplot reads it, but I'm would like to be able to do 
>> something along the lines of:
>>
>> plot "data.txt" using 1:2 blabla
>>
>> where "blabla" is some setting that specifies that gnuplot should use a 
>> piecewise constant "interpolation" between data points. In fact, one 
>> should also be able to specify if any vertical lines should be visible 
>> or not.
>>
>> Right now I generate a modified data file to accomplish this (containing 
>> additional data points):
>>
>> 0 0
>> 0.99 0
>> 1 1
>> 1.99 1
>> 2 2
>>
>> Best regards
>> Torquil Sørensen
>> Norway
>>
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>