文本操作 和图形化显示

1. ShowExampleScreens := 0       //true
   
2. *
   
3. if (ShowExampleScreens)
   
4.     * Initial example windows and parameters etc.
   
5.     dev_example_init (ShowExampleScreens, ExampleInternals)
   
6.     *
   
7.     * Introduction text of example series.
   
8.     dev_display_screen_introduction_part_1 (ExampleInternals)
   
9.     stop ()
   
10.     dev_display_screen_introduction_part_2 (ExampleInternals)
    
11.     stop ()
    
12.     *
    
13.     * Read the dataset.
    
14.     dev_display_screen_read_dataset (ExampleInternals)
    
15.     stop ()
    
16.     *
    
17.     * Explain splitting the dataset.
    
18.     dev_display_screen_split_dataset (ExampleInternals)
    
19.     stop ()
    
20.     *
    
21.     * Explain how to preprocess the dataset and run the program.
    
22.     dev_display_screen_run_program (ExampleInternals)
    
23.     stop ()
    
24. endif

复制代码

比如这种大饼图的绘制