Plots the graph of a function with ASCII characters.

Related tags

Image Processingascii-graph-plotter
Overview

ASCII Graph Plotter

GitHub License  Python Version  GitHub release  CodeFactor  visitors  Example: My use case 

Plots the graph of a function with ASCII characters.

See the change log here.

Developed by InformaticFreak (c) 2021

How to use

py main.py [function: str] [scale: float,float] [origin: int,int] [size: int,int] [discontinuous: bool] [precision: bool] [ascii_only: bool]
Parameter Type Default value Description
function str Defines the function
scale float,float 0.1,10 Scales the graph in x,y direction
origin int,int 40,20 calculated by (size-1)/2 Sets the origin of the plot to the list index x,y
size int,int 81,41 Sets the size x,y in characters of the plot
discontinuous bool false Specifies if the graph should be plotted discontinuously
precision bool false Specifies if the graph should be plottet with thinner characters oriented at the angle at the point
ascii_only bool false Specifies whether the graph should be plotted with thinner characters, depending on the slope at each point

Built-In Functions

  • sin, cos, tan, cot
  • asin, acos, atan, acot
  • degrees, radian
  • log, sign, sqrt

Built-In Constants

  • e, pi

Examples

  • Specifie the scale in x direction as 0.2 and use the default scale in y direction of 10, so write 0.2,_
  • Set the x origin to the list index 5 and use the default y origin of list index 20, so write 5,_
  • Use the default x size of the plot of 81 and specifie the y size of the plot as 32, so write _,32
  • Use the default for all other parameter, so don't write anything or use _ and _,_ as placeholder
py main.py sin(x) 0.2,_ 5,_ _,32

The result plot contains the plotted graph of the function and in the first line all parameter values to reproduce it. Also, the entire plot is copied to the clipboard.

f(x)=sin(x) 0.2,10.0 5,15 81,32 0 0 0

     ▲                                                                           
     │                                                                           
     │                                                                           
     │                                                                           
     │                                                                           
     ┤      ███                            ███                             ███   
     │     █   █                          █   ██                         ██   █  
     │    █     █                        █      █                       █      █ 
     │   █       █                      █       █                       █       █
     │  █         █                     █        █                     █         
     ┤  █         █                    █          █                   █          
     │ █          █                   █           █                   █          
     │█            █                  █           █                   █          
     │█             █                 █            █                 █           
     │█             █                █              █               █            
┬────█────┬────┬────█────┬────┬────┬█───┬────┬────┬─█──┬────┬────┬──█─┬────┬────▸
    █│               █              █               █               █            
    █│                █             █                █             █             
    █│                █            █                  █           █              
   █ │                 █          █                   █           █              
  █  ┤                  █         █                    █         █               
  █  │                  █        █                      █       █                
 █   │                  █       █                       █       █                
█    │                   █      █                        █     █                 
     │                    █    █                          █   █                  
     ┤                     ████                            ███                   
     │                                                                           
     │                                                                           
     │                                                                           
     │                                                                           
     ┤                                                                           
     │
  • Set the discontinuous Parameter to default, so write _
  • Now specifie the precision Parameter to true, so write 1, true or True
  • Also specifie the ascii_only Parameter to true, so write 1, true or True

Note: Use 0, false or False to set a Parameter of type bool to false.

py main.py f(x)=sin(x) 0.2,10 5,14 81,32 _ _ 1

Now the plot contains only real ASCII characters and the character of each point depends on its slope.

f(x)=sin(x) 0.2,10.0 5,15 81,32 0 1 1

     A                                                                           
     |                                                                           
     |                                                                           
     |                                                                           
     |                                                                           
     +      --\                            --\                             --\   
     |     /   \                          /   -\                         -/   \  
     |    /     \                        /      |                       /      \ 
     |   /       \                      /       \                       |       -
     |  /         |                     |        \                     /         
     +  |         |                    /          |                   /          
     | /          \                   /           |                   |          
     |/            \                  |           \                   |          
     ||             |                 |            \                 /           
     ||             |                /              |               /            
+----/----+----+----\----+----+----+/---+----+----+-|--+----+----+--|-+----+---->
    /|               \              |               \               |            
    ||                |             |                \             /             
    ||                \            /                  |           /              
   / |                 \          /                   \           |              
  /  +                  |         |                    \         /               
  |  |                  |        /                      |       /                
 /   |                  \       /                       \       |                
/    |                   \      |                        \     /                 
     |                    \    /                          \   /                  
     +                     ---/                            --/                   
     |                                                                           
     |                                                                           
     |                                                                           
     |                                                                           
     +                                                                           
     |
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