Next, inform gnuplot the actual output image filename.
接下来，告诉gnuplot实际的输出图像文件名。
The official Web site for gnuplot is listed in Resources.
参考资料中列出了gnuplot的官方Web站点。
If the initialization file is found, gnuplot executes the commands in it.
如果找到初始化文件，gnuplot会执行其中的命令。
The column Numbers are incremented each time gnuplot sees a new data separator.
每次gnuplot看到新的数据分隔符时，列编号就会增加。
It's hard to read a thesis or dissertation without running into a gnuplot graph.
如果没有gnuplot的图，就很难阅读论文。
In general, gnuplot does C-like backslash processing within double quoted strings.
一般来说，gnuplot在双引号内的字符串中进行类似于c的反斜杠处理。
Gnuplot has a consistent way to undo sets: in gnuplot 4.0, the command is unset.
gnuplot有一种撤销设置的统一方法：在gnuplot 4.0中，命令是unset。
The plot command is then used to actually generate the image using the gnuplot engine.
然后，使用plot命令通过gnuplot引擎实际生成图像。
The gnuplot home page is the place for gnuplot software downloads and documentation.
gnuplot主页是下载gnuplot软件和寻找文档的好地方。
Next, create a file to contain all the gnuplot commands required to generate the graph.
接下来，创建一个文件以包含生成图形所需的所有gnuplot命令。
The prompt is the point of input into gnuplot; Linux users will be used to its behavior.
该提示符是进入gnuplot的输入点；Linux用户将习惯于这种方式。
First, the data input file name is given, then we inform gnuplot what columns to plot.
首先，指定数据输入文件名，然后告诉gnuplot要绘制哪些列。
You can still plot such data sets if gnuplot can be told to ignore the invalid data points.
如果gnuplot被告知忽略无效数据点，您仍可以对这样的数据集合绘图。
Listing 1 shows the gnuplot commands that are used, and Figure 1 shows the graphical result.
清单1给出了所使用的gnuplot命令，图1给出了所生成的图形结果。
This example tells gnuplot to make that decision and lets gnuplot calculate the range values.
这个示例让gnuplot自己计算范围值。
A last resort would be to explicitly pre-process the input file before using it in gnuplot.
最后的一个方法是在 gnuplot 中使用输入文件之前对其进行预处理。
Listing 5 contains the gnuplot commands to generate the image, which is displayed in Figure 3, below.
清单5包含生成图像的gnuplot命令，输出见图3。
Here's a short gnuplot example that illustrates 3-d function plotting with contours and hidden line removal.
下面是一个简单的gnuplot例子，它给出了一个具有等高线和隐线消除的3 - D图形。
In this article, we discussed the intricacies of plotting 2d graphs using the newly-released gnuplot 4.0.
在本文中，我们讨论了使用新发布的gnuplot 4.0绘制2d图形的复杂性。
This article demonstrates how to use gnuplot using a batch file to generate data collected from sar and other data sources.
本文演示如何使用gnuplot 和批文件为从sar或其他数据源收集的数据生成图形。
For plotting, gnuplot can generate 2-d plots with the plot command and 3-d plots (as 2-d projections) with the splot command.
为了进行绘图，gnuplot可以使用plot命令生成2 -D图形，或使用splot命令生成3 -d图形(作为2 - Dprojection)。
As the astute reader may have guessed from the comments above on replot, gnuplot lets you graph multiple lines simultaneously.
正如精明的读者可能已经从上面关于replot的注释中推测到的，gnuplot使您可以同时画多条线。
A command interface is used to interact with gnuplot using the 'set' commands to specify how the image is to be formatted and presented.
使用命令界面与gnuplot交互，使用“set”命令指定图像的格式和显示方式。
To be able to generate the image, you must inform gnuplot what format the graphics file should be and how it should be presented visually.
为了能够生成图像，必须告诉gnuplot图形文件应该采用什么格式以及应该如何显示。
You can also find a demo gallery to help you figure out what's possible with gnuplot and how to tailor these recipes for your application.
您还会发现一个演示图库，这可以帮助您了解使用gnuplot 能绘制哪些图形，以及如何为您的应用程序裁减这些功能。
From just these three simple examples, you can see that gnuplot understands PI and has a rich and natural vocabulary of mathematical functions.
从刚才这三个简单的例子，您可以看到gnuplot能够理解pi并具有丰富的自带数学函数词汇表。
As I have not specified any more colors to override the default Settings, gnuplot will then use its own default colors for the rest of the graph.
因为我没有指定其他颜色以覆盖默认设置，所以对于图形的其他颜色，gnuplot仍然使用自己的默认颜色。
Oftentimes, novice users may have a pretty good idea about how their graphs should look, but it is not apparent what gnuplot command they need to use.
初学用户时常能够很好地想出他们的图表形状，但是不知道需要使用什么gnuplot命令。
If you want to plot this data in a two-dimensional space, as well as connect each data point with a line, you can use the gnuplot script shown in Listing 3.
如果希望在两维空间中绘制这些数据，并将每个数据点使用一条线连接起来，就可以使用清单3给出的gnuplot脚本。
A grid can also be very useful as a point of reference when viewing graphs. Using the grid option, the following will inform gnuplot to insert a grid on the graph.
在查看图形时，使用网格作为参照点也非常有用。
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