gnuplot-bugs

[Gnuplot-bugs] Bug report

[Al S. <sta...@yo...>]

I just installed version 4.2 of gnuplot and find that it does not 
properly treat data in an exponential format with D or d preceding the 
exponent.  In plotting it ignores the exponent entirely.  It does accept 
E or e in front of the exponent.

I have had no problems in this regard with earlier versions of gnuplot.

Al Stauffer

[Gnuplot-bugs] Bug report

[Peter O. <Pet...@ma...>]

G N U P L O T
Version 4.2 patchlevel 2
last modified 31 Aug 2007
System: MS-Windows 32 bit

# Bug found by Peter Orthmann 2007-10-26
# 'plot' - cannot access line number in datafile when called by script
using arguments=20
# example with four files
# execute MyScript and observe that MyPlot1 do not finish
# execute MyPlot2 and se that ($0+10):1 works here

# MyScript.gp file:
call  'MyPlot1.gp'  'MyData.dat'

# MyPlot1.gp file:
plot '$0' using 0:1 title 'This work MyPlot1.gp was executed'  w l
pause -1 'Hit Return'
plot '$0' using ($0*10):1 title 'This do not work - plot error'  w l
pause -1 'Hit Return'

# MyPlot2.gp file:
plot 'MyData.dat' using ($0*10):1 title 'This work'  w l
pause -1 'Hit Return'

# MyData.dat file:
4
2
3
8

Re: [Gnuplot-bugs] Bug report

[Thomas S. <t.s...@fz...>]

this is not a bug, it's a feature, it's documented (see 'help call'):

   NOTE: there is a clash in syntax with the datafile `using` callback
   operator.  Use `$$n` or `column(n)` to access column n from a datafile
inside
   a `call`ed datafile plot.


Peter Orthmann wrote:
> 
> G N U P L O T
> Version 4.2 patchlevel 2
> last modified 31 Aug 2007
> System: MS-Windows 32 bit
> 
> # Bug found by Peter Orthmann 2007-10-26
> # 'plot' - cannot access line number in datafile when called by script
> using arguments 
> # example with four files
> # execute MyScript and observe that MyPlot1 do not finish
> # execute MyPlot2 and se that ($0+10):1 works here
> 
> # MyScript.gp file:
> call  'MyPlot1.gp'  'MyData.dat'
> 
> # MyPlot1.gp file:
> plot '$0' using 0:1 title 'This work MyPlot1.gp was executed'  w l
> pause -1 'Hit Return'
> plot '$0' using ($0*10):1 title 'This do not work - plot error'  w l
> pause -1 'Hit Return'
> 
> # MyPlot2.gp file:
> plot 'MyData.dat' using ($0*10):1 title 'This work'  w l
> pause -1 'Hit Return'
> 
> # MyData.dat file:
> 4
> 2
> 3
> 8
> 
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Re: [Gnuplot-bugs] Bug report

[<HBB...@t-...>]

Al Stauffer wrote:
> I just installed version 4.2 of gnuplot and find that it does not 
> properly treat data in an exponential format with D or d preceding the 
> exponent.  In plotting it ignores the exponent entirely.  It does accept 
> E or e in front of the exponent.

It was deemed necessary to only try reading FORTRAN-style numbers if 
explicitly requested.  See 'help fortran'