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From: Mark S. <Mar...@hp...> - 2009-07-07 11:17:18
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I think I understand what's happening but I'm wondering if there are any 'tricks' to get around this. I have 2 files that represent 2 days worth of data I want to plot with data samples 10 seconds apart. The first plot ends at 00:00:50 and the second starts at 00:01:00 and my plot command is of the form: plot file1using, file2 using As expected I get one line that ends at 00:00:50 and a second that begins at 00:01:00 and I'm wondering if there might be some way to get gnuplot to treat this a one contiguous file. If there is a 'trick', could you let me know if it will work for all recent versions of gnuplot, say from 4.0 forward, or would I need the latest version? thanks in advance, -mark |
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From: markjoe <na...@ma...> - 2009-07-07 12:11:41
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plot "< cat file1 file2" using On Tue, Jul 7, 2009 at 11:16 AM, Mark Seger<Mar...@hp...> wrote: > I think I understand what's happening but I'm wondering if there are any > 'tricks' to get around this. > > I have 2 files that represent 2 days worth of data I want to plot with > data samples 10 seconds apart. The first plot ends at 00:00:50 and the > second starts at 00:01:00 and my plot command is of the form: > > plot file1using, file2 using > > As expected I get one line that ends at 00:00:50 and a second that > begins at 00:01:00 and I'm wondering if there might be some way to get > gnuplot to treat this a one contiguous file. If there is a 'trick', > could you let me know if it will work for all recent versions of > gnuplot, say from 4.0 forward, or would I need the latest version? > > thanks in advance, > -mark > > > ------------------------------------------------------------------------------ > Enter the BlackBerry Developer Challenge > This is your chance to win up to $100,000 in prizes! For a limited time, > vendors submitting new applications to BlackBerry App World(TM) will have > the opportunity to enter the BlackBerry Developer Challenge. See full prize > details at: http://p.sf.net/sfu/blackberry > _______________________________________________ > Gnuplot-info mailing list > Gnu...@li... > https://lists.sourceforge.net/lists/listinfo/gnuplot-info > |
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From: Seger, M. <mar...@hp...> - 2009-07-07 16:27:30
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Sounds good. The only thing is I have multiple lines I want to generate and so do something like: Plot file1 using, file1 using, file1 using... then repeat it again for the second files, etc... Does this mean Linux will have to re-cat the files each time or is there a way to tell gnuplot to only do it once? These are big files, typically 2-5MB with hundreds of columns in them and I worry about efficiency. I do know doing it the way I current do is very fast especially since the first time I read a file it gets cached and I'm on not sure what happens with 'cat'. I'd think the results do not get cached and would have to be regenerated for each line I want to plot. For some plots there can be as many as 16 lines. -mark >-----Original Message----- >From: mar...@gm... [mailto:mar...@gm...] On Behalf >Of markjoe >Sent: Tuesday, July 07, 2009 8:05 AM >To: Seger, Mark >Cc: gnu...@li... >Subject: Re: [Gnuplot-info] plotting multiple files with a single plot >command causes 'holes' in the plots > >plot "< cat file1 file2" using > >On Tue, Jul 7, 2009 at 11:16 AM, Mark Seger<Mar...@hp...> wrote: >> I think I understand what's happening but I'm wondering if there are >any >> 'tricks' to get around this. >> >> I have 2 files that represent 2 days worth of data I want to plot with >> data samples 10 seconds apart. The first plot ends at 00:00:50 and >the >> second starts at 00:01:00 and my plot command is of the form: >> >> plot file1using, file2 using >> >> As expected I get one line that ends at 00:00:50 and a second that >> begins at 00:01:00 and I'm wondering if there might be some way to get >> gnuplot to treat this a one contiguous file. If there is a 'trick', >> could you let me know if it will work for all recent versions of >> gnuplot, say from 4.0 forward, or would I need the latest version? >> >> thanks in advance, >> -mark >> >> >> ---------------------------------------------------------------------- >-------- >> Enter the BlackBerry Developer Challenge >> This is your chance to win up to $100,000 in prizes! For a limited >time, >> vendors submitting new applications to BlackBerry App World(TM) will >have >> the opportunity to enter the BlackBerry Developer Challenge. See full >prize >> details at: http://p.sf.net/sfu/blackberry >> _______________________________________________ >> Gnuplot-info mailing list >> Gnu...@li... >> https://lists.sourceforge.net/lists/listinfo/gnuplot-info >> |
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From: markjoe <na...@ma...> - 2009-07-07 15:34:18
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then cat the files before starting gnuplot On Tue, Jul 7, 2009 at 1:20 PM, Seger, Mark<mar...@hp...> wrote: > Sounds good. The only thing is I have multiple lines I want to generate and so do something like: > > Plot file1 using, file1 using, file1 using... then repeat it again for the second files, etc... > > Does this mean Linux will have to re-cat the files each time or is there a way to tell gnuplot to only do it once? These are big files, typically 2-5MB with hundreds of columns in them and I worry about efficiency. I do know doing it the way I current do is very fast especially since the first time I read a file it gets cached and I'm on not sure what happens with 'cat'. I'd think the results do not get cached and would have to be regenerated for each line I want to plot. For some plots there can be as many as 16 lines. > > -mark > >>-----Original Message----- >>From: mar...@gm... [mailto:mar...@gm...] On Behalf >>Of markjoe >>Sent: Tuesday, July 07, 2009 8:05 AM >>To: Seger, Mark >>Cc: gnu...@li... >>Subject: Re: [Gnuplot-info] plotting multiple files with a single plot >>command causes 'holes' in the plots >> >>plot "< cat file1 file2" using >> >>On Tue, Jul 7, 2009 at 11:16 AM, Mark Seger<Mar...@hp...> wrote: >>> I think I understand what's happening but I'm wondering if there are >>any >>> 'tricks' to get around this. >>> >>> I have 2 files that represent 2 days worth of data I want to plot with >>> data samples 10 seconds apart. The first plot ends at 00:00:50 and >>the >>> second starts at 00:01:00 and my plot command is of the form: >>> >>> plot file1using, file2 using >>> >>> As expected I get one line that ends at 00:00:50 and a second that >>> begins at 00:01:00 and I'm wondering if there might be some way to get >>> gnuplot to treat this a one contiguous file. If there is a 'trick', >>> could you let me know if it will work for all recent versions of >>> gnuplot, say from 4.0 forward, or would I need the latest version? >>> >>> thanks in advance, >>> -mark >>> >>> >>> ---------------------------------------------------------------------- >>-------- >>> Enter the BlackBerry Developer Challenge >>> This is your chance to win up to $100,000 in prizes! For a limited >>time, >>> vendors submitting new applications to BlackBerry App World(TM) will >>have >>> the opportunity to enter the BlackBerry Developer Challenge. See full >>prize >>> details at: http://p.sf.net/sfu/blackberry >>> _______________________________________________ >>> Gnuplot-info mailing list >>> Gnu...@li... >>> https://lists.sourceforge.net/lists/listinfo/gnuplot-info >>> > |
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From: Seger, M. <mar...@hp...> - 2009-07-07 14:43:26
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I hear you but that's not really practical in my case because then my script would need to clean up the temporary files in between gnuplot runs and then I'd also lose the benefit in having the files in cache in case I want to replot them. Having one point missing from my plots is not that much of a hardship and not really that big a deal. Gnuplot is far too powerful a tool to worry about a missing data point that's really there, just not connected to its neighbor. -mark >-----Original Message----- >From: mar...@gm... [mailto:mar...@gm...] On Behalf >Of markjoe >Sent: Tuesday, July 07, 2009 9:52 AM >To: Seger, Mark >Cc: gnu...@li... >Subject: Re: [Gnuplot-info] plotting multiple files with a single plot >command causes 'holes' in the plots > >then cat the files before starting gnuplot > >On Tue, Jul 7, 2009 at 1:20 PM, Seger, Mark<mar...@hp...> wrote: >> Sounds good. The only thing is I have multiple lines I want to >generate and so do something like: >> >> Plot file1 using, file1 using, file1 using... then repeat it again >for the second files, etc... >> >> Does this mean Linux will have to re-cat the files each time or is >there a way to tell gnuplot to only do it once? These are big files, >typically 2-5MB with hundreds of columns in them and I worry about >efficiency. I do know doing it the way I current do is very fast >especially since the first time I read a file it gets cached and I'm on >not sure what happens with 'cat'. I'd think the results do not get >cached and would have to be regenerated for each line I want to plot. >For some plots there can be as many as 16 lines. >> >> -mark >> >>>-----Original Message----- >>>From: mar...@gm... [mailto:mar...@gm...] On >Behalf >>>Of markjoe >>>Sent: Tuesday, July 07, 2009 8:05 AM >>>To: Seger, Mark >>>Cc: gnu...@li... >>>Subject: Re: [Gnuplot-info] plotting multiple files with a single plot >>>command causes 'holes' in the plots >>> >>>plot "< cat file1 file2" using >>> >>>On Tue, Jul 7, 2009 at 11:16 AM, Mark Seger<Mar...@hp...> wrote: >>>> I think I understand what's happening but I'm wondering if there are >>>any >>>> 'tricks' to get around this. >>>> >>>> I have 2 files that represent 2 days worth of data I want to plot >with >>>> data samples 10 seconds apart. The first plot ends at 00:00:50 and >>>the >>>> second starts at 00:01:00 and my plot command is of the form: >>>> >>>> plot file1using, file2 using >>>> >>>> As expected I get one line that ends at 00:00:50 and a second that >>>> begins at 00:01:00 and I'm wondering if there might be some way to >get >>>> gnuplot to treat this a one contiguous file. If there is a 'trick', >>>> could you let me know if it will work for all recent versions of >>>> gnuplot, say from 4.0 forward, or would I need the latest version? >>>> >>>> thanks in advance, >>>> -mark >>>> >>>> >>>> -------------------------------------------------------------------- >-- >>>-------- >>>> Enter the BlackBerry Developer Challenge >>>> This is your chance to win up to $100,000 in prizes! For a limited >>>time, >>>> vendors submitting new applications to BlackBerry App World(TM) will >>>have >>>> the opportunity to enter the BlackBerry Developer Challenge. See >full >>>prize >>>> details at: http://p.sf.net/sfu/blackberry >>>> _______________________________________________ >>>> Gnuplot-info mailing list >>>> Gnu...@li... >>>> https://lists.sourceforge.net/lists/listinfo/gnuplot-info >>>> >> |