Arrow with T-shaped head. Once the eps file has been formatted properly, you can convert it to PDF format using epstopdf. Views Read View source View history. At a distance a the diffraction pattern is drawn.
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April 27th, 52 Comments Gnuplot gives us the opportunity to produce great looking plots in a lot of different formats. Therefore it uses different output terminals that can produce output files or as in the last chapter display the output on your computer screen.
In this tutorial we will cover the png , svg , postscript and epslatex terminals. Therefore we will use the same code as in the previous plot functions chapter. You may have noticed that we use the pngcairo terminal. You may also have noticed that we set the size to a given x,y value.
But be aware that not all terminals handle the enhanced notation as mentioned in the gnuplot documentation. Since we want to create an output file in both cases we have to specify one. The png and svg terminals work very well to produce figures to use on the web as you can see on this page, but for scientific papers or other stuff written in LaTeX we would like to have figures in postscript or pdf format. I always create my pdf files of the plots from the postscript files, so I will cover only the postscript terminals in this introduction.
So if we want to produce the same font and line width dimensions, we have to use this command: set terminal postscript eps size 3. In addition to that it doubles the given line widths by a factor of 2. But in opposite to the before mentioned terminals the enhanced mode will work fully for the postscript terminal. Note, that I have converted the resulting eps file to png with Gimp using strong text and graphics antialiasing to show it here.
But the overall looking should be the same as with the original eps file. We need to adjust the tic scales and line widths by hand to get exactly the same result.
Note: the font is of course different, because we used another one. In the first case we will use the wxt, svg and pngcairo terminals together. In the second case we will use only the postscript terminal and create the png files using Gimp or some other image processor. You may think the handling of symbols e. But you can also write symbols in LaTeX notation, therefore you have to use the epslatex terminal.
The best way is to use both of them. That means to producing the lines etc. The postscript image can be easily converted to a pdf using epstopdf if you needed a pdf version of the image.
In order to create the tex file containing our figure labels we will use the epslatex terminal. Basically it has two working modes, a standalone mode that can produce a standalone postscript figure and the normal mode that produces a postscript figure and a tex file to include in your LaTeX document.
I think the normal mode is the more common application so I will start with this. For the normal mode we use the following terminal definition: set terminal epslatex size 3. You can specify the size alternatively in cm: set terminal epslatex size 8. In Linux this is easily done using ScreenRuler.
Now we can write the labels etc. If we run gnuplot on this file, it will generate a introduction. Therefore we had to know the size of our figure before hand as mentioned above. Therefore exchange the above code with set terminal epslatex size 3. The latex command combine the two to a single dvi file and dvips generates a postscript file. Finally I have converted the postscript file with Gimp and we will get this png file: Fig.
GNUPLOT GREEK LETTERS PDF
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