Re: Why do I get no display?

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2 total messages Started by u600256@rho.LANL Wed, 14 Aug 1996 00:00

#3922

Author: u600256@rho.LANL
Date: Wed, 14 Aug 1996 00:00

31 lines
876 bytes

In message-Id: <4utl4h$13d6@pulp.ucs.ualberta.ca>
kulshres@angelo.ucs.ualberta.ca (Amar Kulshrestha) writes:

	I am plotting 3d data from a file and am using the following
	commands:

	set parametric
	splot 'datafile' with lines



	If I do this interavctivley within gnuplot everything seems to
	work fine and I get the plot.  However, if I put those 2
	commands into a file and run gnuplot from the command line
	nothing shows up on my screen for a graph.  Does anyone know
	what is causing this or what may be missing from my command
	file?


What is happening is that your window is being closed before your
program has a chance to draw anything in it.

The fix is to put "pause -1" after each "plot", "splot", or "replot"
command in your input file.  This will cause the program to wait for
keyboard input before continuing...


Dick Crawford, aka rccrawford@lanl.gov

Re: Why do I get no display?

#3937

Author: ddenholm@hawk.is
Date: Thu, 15 Aug 1996 00:00

40 lines
1262 bytes

crawford richard (u600256@rho.LANL.GOV) wrote:
> In message-Id: <4utl4h$13d6@pulp.ucs.ualberta.ca>
> kulshres@angelo.ucs.ualberta.ca (Amar Kulshrestha) writes:

> 	I am plotting 3d data from a file and am using the following
> 	commands:

> 	set parametric
> 	splot 'datafile' with lines

> 	If I do this interavctivley within gnuplot everything seems to
> 	work fine and I get the plot.  However, if I put those 2
> 	commands into a file and run gnuplot from the command line
> 	nothing shows up on my screen for a graph.  Does anyone know
> 	what is causing this or what may be missing from my command
> 	file?


> What is happening is that your window is being closed before your
> program has a chance to draw anything in it.

> The fix is to put "pause -1" after each "plot", "splot", or "replot"
> command in your input file.  This will cause the program to wait for
> keyboard input before continuing...

The X11 driver for version 3.6 supports a -persist option...

gnuplot -persist file.gnu

where gnuplot will exit correctly when it reaches the end of file.gnu,
but it will not close the window (which is managed by a child process
which remains running).

dd
--
david.denholm@isltd.insignia.com
Tel (01494) 453376 (work)    (01494) 459742  (home)

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