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<b class="current">The Complete Syntax of the <tt class="tt">set terminal</tt> Command</b>
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<div><h2 id="a0000000064">2.1.3 The Complete Syntax of the <tt class="tt">set terminal</tt> Command</h2>
<p>In addition to being used to select the graphical format in which output should be produced, the <tt class="tt">set terminal</tt> command<a name="a0000000870" id="a0000000870"></a> takes many options for fine-tuning the behaviours of particular terminals. Its complete syntax is: </p><pre>
set terminal ( X11_SingleWindow | X11_MultiWindow | X11_Persist |
               bmp | eps | gif | jpeg | pdf | png | postscript |
               svg | tiff )
             ( colour | color | monochrome )
             ( dpi &lt;value&gt; )
             ( portrait | landscape )
             ( invert | noinvert )
             ( transparent | solid )
             ( antialias | noantialias )
             ( enlarge | noenlarge )
</pre><p>The following table lists the effects which each of these settings has: </p><div>

<table cellspacing="0" class="tabular">
<tr>

    
    <td style="text-align:left"><p> <tt class="tt">X11_SingleWindow</tt> </p></td>

    
    <td style="text-align:left"><p> Displays plots on the screen (in X11 windows, using Ghostviewor other viewing application selected using the <tt class="tt">set viewer</tt> command<a name="a0000000871" id="a0000000871"></a>). Each time a new plot is generated, it replaces the old one, to prevent the desktop from becoming flooded with old plots.<a href="#a0000000872" class="footnote"><sup class="footnotemark">1</sup></a> <b class="bf">[default when running interactively; see below]</b></p></td>

</tr><tr>

    
    <td style="text-align:left"><p><tt class="tt">X11_MultiWindow</tt> </p></td>

    
    <td style="text-align:left"><p> As above, but each new plot appears in a new window, and the old plots remain visible. As many plots as may be desired can be left on the desktop simultaneously.</p></td>

</tr><tr>

    
    <td style="text-align:left"><p><tt class="tt">X11_Persist</tt> </p></td>

    
    <td style="text-align:left"><p> As above, but plot windows remain open after PyXPlot closes.</p></td>

</tr><tr>

    
    <td style="text-align:left"><p><tt class="tt">bmp</tt> </p></td>

    
    <td style="text-align:left"><p> Sends output to a Windows bitmap (<tt class="tt">.bmp</tt>) file. The filename for this file should be set using <tt class="tt">set output</tt>. This is a bitmap graphics terminal. <a name="a0000000873" id="a0000000873"></a></p></td>

</tr><tr>

    
    <td style="text-align:left"><p><tt class="tt">eps</tt> </p></td>

    
    <td style="text-align:left"><p> As above, but produces Encapsulated PostScript.<a name="a0000000874" id="a0000000874"></a><a name="a0000000875" id="a0000000875"></a></p></td>

</tr><tr>

    
    <td style="text-align:left"><p><tt class="tt">gif</tt> </p></td>

    
    <td style="text-align:left"><p> As above, but produces a gif image. This is a bitmap graphics terminal.<a name="a0000000876" id="a0000000876"></a></p></td>

</tr><tr>

    
    <td style="text-align:left"><p><tt class="tt">jpeg</tt> </p></td>

    
    <td style="text-align:left"><p> As above, but produces a jpeg image. This is a bitmap graphics terminal.<a name="a0000000877" id="a0000000877"></a></p></td>

</tr><tr>

    
    <td style="text-align:left"><p><tt class="tt">pdf</tt> </p></td>

    
    <td style="text-align:left"><p> As above, but produces pdf output.<a name="a0000000878" id="a0000000878"></a></p></td>

</tr><tr>

    
    <td style="text-align:left"><p><tt class="tt">png</tt> </p></td>

    
    <td style="text-align:left"><p> As above, but produces a png image. This is a bitmap graphics terminal.<a name="a0000000879" id="a0000000879"></a></p></td>

</tr><tr>

    
    <td style="text-align:left"><p><tt class="tt">postscript</tt> </p></td>

    
    <td style="text-align:left"><p> As above, but sends output to a PostScript file. <b class="bf">[default when running non-interactively; see below]</b><a name="a0000000880" id="a0000000880"></a></p></td>

</tr><tr>

    
    <td style="text-align:left"><p><tt class="tt">svg</tt> </p></td>

    
    <td style="text-align:left"><p> As above, but produces an svg image.<a href="#a0000000881" class="footnote"><sup class="footnotemark">2</sup></a><a name="a0000000882" id="a0000000882"></a></p></td>

</tr><tr>

    
    <td style="text-align:left"><p><tt class="tt">tiff</tt> </p></td>

    
    <td style="text-align:left"><p> As above, but produces a tiff image. This is a bitmap graphics terminal.<a name="a0000000883" id="a0000000883"></a></p></td>

</tr><tr>

    
    <td style="text-align:left"><p><tt class="tt">colour</tt> </p></td>

    
    <td style="text-align:left"><p> Allows datasets to be plotted in colour. Automatically they will be displayed in a series of different colours, or alternatively colours may be specified using the <tt class="tt">with colour</tt> plot modifier (see below). <b class="bf">[default]</b><a name="a0000000884" id="a0000000884"></a></p></td>

</tr><tr>

    
    <td style="text-align:left"><p><tt class="tt">color</tt> </p></td>

    
    <td style="text-align:left"><p> Equivalent US spelling of the above. </p></td>

</tr><tr>

    
    <td style="text-align:left"><p><tt class="tt">monochrome</tt> </p></td>

    
    <td style="text-align:left"><p> Opposite to the above; all datasets will be plotted in black by default.<a name="a0000000885" id="a0000000885"></a></p></td>

</tr><tr>

    
    <td style="text-align:left"><p><tt class="tt">dpi</tt> </p></td>

    
    <td style="text-align:left"><p> Sets the number of dots per inch at which rasterised graphic output should be sampled (i.e. the output image resolution)</p></td>

</tr><tr>

    
    <td style="text-align:left"><p><tt class="tt">portrait</tt> </p></td>

    
    <td style="text-align:left"><p> Sets plots to be displayed in upright (normal) orientation. <b class="bf">[default]</b><a name="a0000000886" id="a0000000886"></a></p></td>

</tr><tr>

    
    <td style="text-align:left"><p><tt class="tt">landscape</tt> </p></td>

    
    <td style="text-align:left"><p> Opposite of the above; produces side-ways plots. Not very useful when displayed on the screen, but you fit more on a sheet of paper that way around.<a name="a0000000887" id="a0000000887"></a></p></td>

</tr><tr>

    
    <td style="text-align:left"><p><tt class="tt">invert</tt> </p></td>

    
    <td style="text-align:left"><p> Modifier for the bitmap output terminals identified above – i.e. the <tt class="tt">bmp</tt>, <tt class="tt">gif</tt>, <tt class="tt">jpeg</tt>, <tt class="tt">png</tt> and <tt class="tt">tiff</tt> terminals – which produces output with inverted colours.<a href="#a0000000888" class="footnote"><sup class="footnotemark">3</sup></a><a name="a0000000889" id="a0000000889"></a></p></td>

</tr><tr>

    
    <td style="text-align:left"><p><tt class="tt">noinvert</tt> </p></td>

    
    <td style="text-align:left"><p> Modifier for the bitmap output terminals identified above; opposite to the above. <b class="bf">[default]</b></p></td>

</tr><tr>

    
    <td style="text-align:left"><p><tt class="tt">transparent</tt> </p></td>

    
    <td style="text-align:left"><p> Modifier for the <tt class="tt">gif</tt> and <tt class="tt">png</tt> terminals; produces output with a transparent background.<a name="a0000000890" id="a0000000890"></a><a name="a0000000891" id="a0000000891"></a><a name="a0000000892" id="a0000000892"></a></p></td>

</tr><tr>

    
    <td style="text-align:left"><p><tt class="tt">solid</tt> </p></td>

    
    <td style="text-align:left"><p> Modifier for the <tt class="tt">gif</tt> and <tt class="tt">png</tt> terminals; opposite to the above. <b class="bf">[default]</b></p></td>

</tr><tr>

    
    <td style="text-align:left"><p><tt class="tt">antialias</tt> </p></td>

    
    <td style="text-align:left"><p> Modifier for the bitmap output terminals identified above; produces antialiased output, with colour boundaries smoothed to disguise the effects of pixelisation <b class="bf">[default]</b></p></td>

</tr><tr>

    
    <td style="text-align:left"><p><tt class="tt">noantialias</tt> </p></td>

    
    <td style="text-align:left"><p> Modifier for the bitmap output terminals identified above; opposite to the above</p></td>

</tr><tr>

    
    <td style="text-align:left"><p><tt class="tt">enlarge</tt> </p></td>

    
    <td style="text-align:left"><p> Enlarge or shrink contents to fit the current paper size.<a name="a0000000893" id="a0000000893"></a></p></td>

</tr><tr>

    
    <td style="text-align:left"><p><tt class="tt">noenlarge</tt> </p></td>

    
    <td style="text-align:left"><p> Do not enlarge output; opposite to the above. <b class="bf">[default]</b></p></td>

</tr>
</table>
</div></div>



<div id="footnotes">
<p><b>Footnotes</b></p>
<ol>
<li id="a0000000872">The authors are aware of a bug, that this terminal can occasionally go blank when a new plot is generated. This is a known bug in Ghostview, and can be worked around by selecting File <img src="images/img-0560.png" alt="$\to $" style="vertical-align:-1px; 
                                     width:16px; 
                                     height:11px" class="math gen" /> Reload within the Ghostview window.</li><li id="a0000000881">The <tt class="tt">svg</tt> output terminal is experimental and may be unstable. It relies upon the use of the <tt class="tt">svg</tt> output device in Ghostscript, which may not be present on all systems.</li><li id="a0000000888">This terminal setting is useful for producing plots to embed in talk slideshows, which often contain bright text on a dark background. It only works when producing bitmapped output, though a similar effect can be achieved in PostScript using the <tt class="tt">set textcolour</tt> and <tt class="tt">set axescolour</tt> commands (see Section <a href="sec-set_colours.html">1.9</a>).</li>
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