Gnuplot Cheat Sheet

Gnuplot Commands Cheat Sheet
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Gnuplot Commands - Tutorial

这是 Curtis Vermeeren 做的 Go模板技术的小抄，这是我非常喜欢的形式，可以以一个简短的总结把相关的技术介绍出来。大家可以看我以前翻译的Go文件操作大全,也是统一风格的文章。我翻译了这篇文章，补充了遗漏的知识点。 Go标准库提供了几个package可以产生输出结果，而text/template 提供了基于模板. Gnuplot cheat sheets Displaying results 1 to 1 of 1. Sort By Upload Date View Count Download Count. Paper Name Page Views Download Count Added Date; gnuplot cheat sheet: 413: 101: 19 Apr, 2012: About. Downloadmela is a educational download portal that provides interview questions,video lectures,question papers,aptitude,puzzles,reasoning,sample. Here are several options: A very polished ggplot2 cheat sheet from RStudio (Dec 2015). This version is updated for ggplot2 2.0. Another ggplot cheat sheet. A ggplot2 tutorial (October 2014). A 14-page quick reference/tutorial for ggplot2 published in September 2011: ggplot2 tutorial by Ramon Saccilotto. A detailed tutorial on a wide range of plot types and customization options, published. GitHub is where people build software. More than 56 million people use GitHub to discover, fork, and contribute to over 100 million projects.

Gnuplot Commands Cheat Sheet

Untar the package of sample data files on the class websitenamed 'data.tar'. This will create a subdirectory named 'data'under the current directory. Change into that data subdirectory.Inspect the contents of the file 'damped_osc.dat' from the data file packageand note the three columns of numerical data:

Now at the shell prompt, start an interactive gnuplot process:

Note the initial display from the gnuplot program, and theterminal prompt changing from the shell prompt to 'gnuplot>',indicating the gnuplot process is accepting terminal input. This willbe the case until the 'quit' command is issued to gnuplot toterminate the process and return to the shell.Set the labels for the X and Y plot axes:

For now, since we are generating one simple data plot, disable thedisplay of the plot key:

Now plot the displacement data in the file 'damped_osc.dat',using column 1 to supply the X coordinates and column 2 to supply the Ycoordinates, connecting sequential data points with lines:

You should see a new, separate graphics window created with this plot:

Try resizing the graphics window and clicking the 'replot' button on the topleft of the graphics window.

gnuplot conveniently uses the same type of terminal interface that the bashshell uses, including the ability to recall previously issued commands with theup and down arrow keys, and edit them with the left and right arrow keys.

Now explore setting the ranges on the X and Y axes manually. By default gnuplot will automaticallyscale the axes to include all the data points, but this can be overridden if desired.Try zooming the plot out:

and zooming into a portion:

The default automatic scaling of the axes may be restored by clicking the 'autoscale'button on the graphics window. You may also use the right mouse button in the graphicswindow to zoom into an interesting region of the plot graphically.

Now we will add a second velocity data plot. First enable the plot key:

This will restore the plot key that shows a label for each of the plot curvesso you can tell them apart. (The text for each plot label will be taken fromthe 'title' argument of the plot command below.) Next define an overall titlefor the entire plot:

Now generate the new plot, taking the amplitude data from column 2 and thevelocity data from column 3 in the data file. First add a second label to the Y axis:

Gnuplot Key

Then combine two curves on one plot with:

This should display a new plot in the graphics window that looks like:

Note the key now appearing at the top right of the graphics window, withthe label for each plot as given by the 'title' argument in the plot command.The overall plot title appears along the top edge.Also note that gnuplot saves you the need to retype the name of the data fileover again by interpreting a blank file name ' as a repeat of the previousspecified file name.

Note that by plotting two curves with somewhat different unit scaling against thesame numerical Y axis, one curve can be compressed relative to the other, as gnuplotwill scale the one axis to include both curves. To produce a more readable plot,You may refer each of the two curves to different Y axes with the defintitions:

Note the new 'axes' keyword in the plot command. This should produce a plot withseparate left and right border Y axes, like:

Now we will try mixing two different plotting modes, one as a continuous curveand the other as discrete data points. Assume the file 'exp_data.dat'contains individual experimental data points, and 'interpolation.dat' containspoints for an interpolating polynomial passing through them. Firstreset to a single Y axis with:

and then to generate the new plot enter:

Note the 'with' argument to the plot command is set to 'points' for the firstdata file and to 'lines' for the second file. This will generate a new plotwith the two different plotting modes: