Re: [Gnuplot-info] gnuplot histogram xtic(1)

[janjust <tja...@un...>]

Hi Thomas, thank you for your suggestion but when I try that it aborts with
the following error:

plot 'mydata_mibench_CRC32.dat' using
(100.*$2/$6):(int($0)%5==0?stringcolumn(1):"") t column(2), 		for [i=3:5]
'mydata_mibench_CRC32.dat' using (100.*column(i)/column(6)) title column(i)
                                                                                               
^
"plot.gpi", line 34: Too many columns in using specification

my original line looked like this:
 32 i = 5
 33 plot 'mydata_mibench_CRC32.dat' using
(100.*$2/$6):(int($0)%5==0?stringcolumn(1):"") t column(2), \
 34         for [i=3:5] 'mydata_mibench_CRC32.dat' using
(100.*column(i)/column(6)) title column(i)

Any ideas?

On a slightly unrelated note: my posts still show as pending, 3 days
later... but I'm registered and can't tell that I have any formatting
errors. Thoughts?

Thank you for your help!
-Tommy


Thomas Sefzick wrote:
> 
> use the datafile linenumber ($0 or column(0)) modulo the
> stepsize (here: 5) and test if it's zero:
> 
> plot 'mydata.dat' using (100.*$2/$6):xtic(int($0)%5==0?stringcolumn(1):"")
> t column(2), ...
> 
> 
> janjust wrote:
>> 
>> Hello everyone,
>>     I'm trying to generate a rowstacked histogram for various data points
>> My data snippet looks like this:
>> 
>>   1 #Gnuplot data
>>   2 Range Global Heap Stack Unidentified Total
>>   3 9999 4258 0 5740 0 10000
>>   4 19999 3236 0 6764 0 10000
>>   5 29999 3356 0 6644 0 10000
>>   6 39999 3261 0 6739 0 10000
>>   7 49999 3291 0 6709 0 10000
>>   8 59999 3148 0 6852 0 10000
>>   9 69999 3292 0 6708 0 10000
>> 
>> and my script is attached, but the key line is below:
>> 30 i = 5
>> 31 plot 'mydata.dat' using (100.*$2/$6):xtic(1) t column(2), \
>> 32         for [i=3:5] 'mydata_mibench_jpeg.dat' using
>> (100.*column(i)/column(6)) title column(i)
>> 
>> The problem I'm getting is that I don't want every xtic to be printed. I
>> have thousands of lines and ideally I want to print only every X^{th}
>> line.
>> 
>> I found this 
>> https://groups.google.com/forum/?fromgroups#!topic/comp.graphics.apps.gnuplot/M_ldKLSFXwg
>> page  , but when i try to use something similar I get an error.
>> 
>> So to recap: I would like to print column 1 as my xtic but I want to
>> print only every X^{th} xtic. 
>> 
>> Does anybody know how to achieve this?
>> Regards,
>>     Tommy
>> 
>> 
> 
> 
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