Here's a short gnuplot example that illustrates 3-d functionplotting 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。
2
In addition to creating function plots, gnuplot is also great for plotting data contained in files.
除了创建函数图之外，gnuplot还可以很好地对文件中包含的图形进行绘图。
3
The function setData(ArrayList seriesData) accepts data (see Step 1) you want to visualize graphically, and the plot() function starts plotting the graph.