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Plotting library for the terminal.

Project description

plottoterminal

A plotting utility (library) for plotting data into the terminal encoded as unicode characters as an xy graph, inspired by matplotlib. This tool doesn't have any dependencies on gnuplot or numpy.

Supports:

  • multi scatter plots
  • automatic tick setting for linear scales
  • automatic data rescaling to fit large numbers as tick labels
  • axis labels
  • unit labels
  • command line interface for plotting xy data file ($ plottoterminal file)

Planned:

  • command line interface for xy(z) data plotting
  • bar plot
  • legends
  • z value heatmap
  • color coding support
  • custom marker styles

Example:

import plottoterminal as ptt
import numpy as np

f = ptt.Figure(figsize=(57, 20))
xs = np.linspace(-10, 10, 200)

ys = xs ** 2
f.scatter(xs, ys)

ys2 = -xs ** 2
f.scatter(xs, ys2)

f.set_x_label("x")
f.set_y_label("x*x")
f.set_x_unit("m")
f.set_y_unit("m^2")
f.show()

Output:

   1.0ᐃxx                                         xx     
×10^2 │ xx                                       xx      
[m^2] │  xxx                                   xxx       
      │    xx                                 xx         
   0.5├      xx                             xx           
      │       xxxx                       xxxx            
      │          xxx                   xxx               
x     │             xxxx           xxxx                  
*  0.0├                *************                     
x     │             ****           ****                  
      │          ***                   ***               
      │       ****                       ****            
  -0.5├      **                             **           
      │    **                                 **         
      │  ***                                   ***       
      │ **                                       **      
  -1.0├**                                         **     
      └┴──────────┴──────────┴──────────┴──────────┴────ᐅ
       -1.0       -0.5       0.0        0.5        1.0   
                                x               ×10^1 [m]

Setup

Installing from source:

git clone https://github.com/bitromortac/plottoterminal
cd plottoterminal
python3 -m pip install --user .

Installing from pypi:

python3 -m pip install --user plottoterminal

Command line usage

To plot a file composed of rows of x and y data separated by whitespace, run the command $ plottoterminal file.xy.

Project details


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1.0

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