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Top Forums UNIX for Dummies Questions & Answers Gnuplot wxt terminal vs x11 terminal Post 302329404 by cosmologist on Saturday 27th of June 2009 07:39:28 AM
Old 06-27-2009
Data Gnuplot wxt terminal vs x11 terminal

I installed ubuntu recently on my pc. And I installed gnuplot as well.
When I first started working with gnuplot it was working [x11 terminal]. I did a plot and when I wanted to fit my data [the step where I define my function f(x) = .... ] something happened and not the default terminal of gnuplot is xwt!
I changed it to: set terminal x11, but it doesn't change...
It says see "help x11", I read the help there, but nothing works... can you please help me with this...

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GNUPLOT(1)						      General Commands Manual							GNUPLOT(1)

gnuplot - an interactive plotting program SYNOPSIS
gnuplot [X11 options] [options] [file ...] DESCRIPTION
Gnuplot is a command-driven interactive plotting program. If file names are given on the command line, gnuplot loads each file with the load command, in the order specified, and exits after the last file is processed. If no files are given, gnuplot prompts for interactive commands. Here are some of its features: Plots any number of functions, built up of C operators, C math library functions, and some things C doesn't have like **, sgn(), etc. User-defined constants and functions. All computations performed in the complex domain. Just the real part is plotted by default, but functions like imag() and abs() and arg() are available to override this. Many presentation styles for plotting user data from files, including surface-fitting, error bars, boxplots, histograms, heat maps, and simple manipulation of image data. There is an on-line demo collection at Nonlinear least-squares fitting. 2D and 3D plots with mouse-controlled zoom and rotation. Shell escapes and command line substitution. Load and save capability. Support for a huge variety of output devices and file formats. OPTIONS
-p, --persist lets plot windows survive after main gnuplot program exits. -e "command list" executes the requested commands before loading the next input file. -h, --help print summary of usage -V show current version X11 OPTIONS Gnuplot provides the x11 terminal type for use with X servers. This terminal type is set automatically at startup if the GNUTERM environ- ment variable is set to x11, or if the -display command line option is used. For terminal type x11, gnuplot accepts the standard X Toolkit options and resources such as geometry, font, and background. See the X(1) man page for a description of common options. For additional X options specific to gnuplot, type help x11 on the gnuplot command line. ENVIRONMENT
A number of shell environment variables are understood by gnuplot. None of these are required. GNUTERM The name of the terminal type to be used by default. This can be overridden by the gnuplotrc or .gnuplot start-up files and, of course, by later explicit "set terminal" commands. GNUHELP The pathname of the HELP file (gnuplot.gih). HOME The name of a directory to search for a .gnuplot file. PAGER An output filter for help messages. SHELL The program used for the "shell" command. FIT_SCRIPT Specifies a gnuplot command to be executed when a fit is interrupted---see "help fit". FIT_LOG The name of the logfile maintained by fit. GNUPLOT_LIB Additional search directories for data and command files. The variable may contain a single directory name, or a list of directories separated by ':'. The contents of GNUPLOT_LIB are appended to the "loadpath" variable, but not saved with the "save" and "save set" commands. GDFONTPATH Several gnuplot terminal drivers access TrueType fonts via the gd library. This variable gives the font search path for these driv- ers. GNUPLOT_DEFAULT_GDFONT The default font for the terminal drivers that access TrueType fonts via the gd library. GNUPLOT_FONTPATH The font search path used by the postscript terminal. The format is the same as for GNUPLOT_LIB. The contents of GNUPLOT_FONTPATH are appended to the "fontpath" variable, but not saved with the "save" and "save set" commands. GNUPLOT_PS_DIR Used by the postscript driver to locate external prologue files. Depending on the build process, gnuplot contains either a builtin copy of those files or simply a default hardcoded path. Use this variable to test the postscript terminal with custom prologue files. See "help postscript prologue". FILES
gnuplotrc When gnuplot is run, it first looks for a system-wide initialization file named gnuplotrc. The standard location of this file expected by the program is reported by the "show loadpath" command. .gnuplot After loading the system-wide initialization file, if any, Gnuplot looks for a private initialization file in the HOME directory. It may contain any legal gnuplot commands, but typically they are limited to setting the preferred terminal and line types and defining frequently-used functions or variables. fit.log The default name of the logfile output by the "fit" command. AUTHORS
Original authors: Thomas Williams and Colin Kelley. Starting with gnuplot version 3.8, the project source is cooperatively maintained on SourceForge by a large number of contributors. BUGS
Please report bugs using the project bug tracker on SourceForge. SEE ALSO
See the printed manual or the on-line help for details on specific commands. Project web site at 4th Berkeley Distribution 7 September 2012 GNUPLOT(1)

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