Re: [Gnuplot-info] unique key in a multiplot ?

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

set multiplot layout 1,3 title "global title"
set title "b = 0"
b=0
plot [x=0:1]  \
	a=0,   foo(a,b,x) title 'a=0', \
	a=1,   foo(a,b,x) title 'a=1', \
	a=2,   foo(a,b,x) title 'a=2'

set title "b = 1"
b=1
plot [x=0:1]  \
	a=0,   foo(a,b,x) notitle, \
	a=1,   foo(a,b,x) notitle, \
	a=2,   foo(a,b,x) notitle'

set title "b = 2"
b=2
plot [x=0:1]  \
	a=0,   foo(a,b,x) notitle, \
	a=1,   foo(a,b,x) notitle, \
	a=2,   foo(a,b,x) notitle
unset multiplot
pause -1 "fin"
--------------------------------------------------------

seb_kramm wrote:
> 
> Hello, gnuplot users,
> 
> I have a problem related with multiplot / key.
> 
> I am plotting the same function 3 times on a multiplot.
> These 3 functions have 2 parameters, besides x, so each plot has, say, 3
> curves. (see 
> example below)
> 
> Now, all this is fine, if there is no key ("set key off").
> 
> My problem is, I want a key, so I can identify on each plot which one is
> related to 
> the 'a' value. If I enable the key ("set key left right") then I get it 3
> times (on 
> each plot)
> 
> What I'd like, of course, is having a unique key for all of these 3 plots
> (as the 
> values for parameter 'a' are the same each time). So I tried issuing a
> "set key 
> outside" before the first plot, and "set key off" after the first plot,
> but it 
> doesn't do it : the automatic scaling of the multiplot shrinks the first
> plot, and 
> leaves the 2 others OK.
> 
> I suppose I could play around with scale and offset option, but it is
> labourious.
> Does anybody know how to do this more easily ?
> 
> Thank you all
> 
> --------------------------------------------------------
> set multiplot layout 1,3 title "global title"
> set title "b = 0"
> b=0
> plot [x=0:1]  \
> 	a=0,   foo(a,b,x) title 'a=0', \
> 	a=1,   foo(a,b,x) title 'a=1', \
> 	a=2,   foo(a,b,x) title 'a=2'
> 
> set title "b = 1"
> b=1
> plot [x=0:1]  \
> 	a=0,   foo(a,b,x) title 'a=0', \
> 	a=1,   foo(a,b,x) title 'a=1', \
> 	a=2,   foo(a,b,x) title 'a=2'
> 
> set title "b = 2"
> b=2
> plot [x=0:1]  \
> 	a=0,   foo(a,b,x) title 'a=0', \
> 	a=1,   foo(a,b,x) title 'a=1', \
> 	a=2,   foo(a,b,x) title 'a=2'
> unset multiplot
> pause -1 "fin"
> --------------------------------------------------------
> 
> 
> 
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