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147 lines (119 loc) · 4.77 KB
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
Plotting terminal based scatterplots
"""
from __future__ import print_function
import csv
import sys
import optparse
from .utils.helpers import *
from .utils.commandhelp import scatter
def get_scale(series, is_y=False, steps=20):
min_val = min(series)
max_val = max(series)
scaled_series = []
for x in drange(min_val, max_val, (max_val - min_val) / steps,
include_stop=True):
if x > 0 and scaled_series and max(scaled_series) < 0:
scaled_series.append(0.0)
scaled_series.append(x)
if is_y:
scaled_series.reverse()
return scaled_series
def build_scatter(xs, ys, size, pch, colour, title, cs, xtitle, ytitle):
x_scale = get_scale(xs, False, size)
y_scale = get_scale(ys, True, size)
plotted = set()
return_string = ""
if title:
return_string += box_text([title], 2 * (len(x_scale) + 1)) + "\n"
if ytitle:
return_string += "y: "+ ytitle + "\n"
return_string += "+" + "-" * (2 * (len(x_scale) + 1)) + "+" + "\n"
for (i, y) in enumerate(y_scale):
return_string += "| "
addHoriz = False
if y == 0.0:
addHoriz = True
for (j, x) in enumerate(x_scale):
addVert = x == 0.0
if addHoriz and addVert:
point = "o"
elif addHoriz:
point = "-"
elif addVert:
point = "|"
else:
point = " "
for (k, (xp, yp)) in enumerate(zip(xs, ys)):
if xp <= x and yp >= y and (xp, yp) not in plotted:
point = pch
plotted.add((xp, yp))
if cs:
colour = cs[k]
# return_string += getPointInColour(point + " ", True, colour)
return_string += point + " "
if addHoriz:
return_string += "-|" + "\n"
else:
return_string += " |" + "\n"
return_string += "+" + "-" * (2 * (len(x_scale) + 1)) + "+" + "\n"
if xtitle:
return_string += " " * (2 * (len(x_scale) + 2) - len("x: "+ xtitle)) + "x: "+ xtitle + "\n"
return return_string
def plot_scatter(f, xs, ys, size, pch, colour, title, xtitle=None, ytitle=None):
"""
Form a complex number.
Arguments:
f -- comma delimited file w/ x,y coordinates
xs -- if f not specified this is a file w/ x coordinates
ys -- if f not specified this is a filew / y coordinates
size -- size of the plot
pch -- shape of the points (any character)
colour -- colour of the points
title -- title of the plot
xtitle -- x axis title of the plot
ytitle -- y axis title of the plot
"""
cs = None
if f:
if isinstance(f, str):
with open(f) as fh:
data = [tuple(line.strip().split(',')) for line in fh]
else:
data = [tuple(line.strip().split(',')) for line in f]
xs = [float(i[0]) for i in data]
ys = [float(i[1]) for i in data]
if len(data[0]) > 2:
cs = [i[2].strip() for i in data]
elif isinstance(xs, list) and isinstance(ys, list):
pass
else:
with open(xs) as fh:
xs = [float(str(row).strip()) for row in fh]
with open(ys) as fh:
ys = [float(str(row).strip()) for row in fh]
graph_string = build_scatter(xs, ys, size, pch, colour, title, cs, xtitle, ytitle)
print(graph_string)
def main():
parser = optparse.OptionParser(usage=scatter['usage'])
parser.add_option('-f', '--file', help='a csv w/ x and y coordinates', default=None, dest='f')
parser.add_option('-t', '--title', help='title for the chart', default="", dest='t')
parser.add_option('-x', help='x coordinates', default=None, dest='x')
parser.add_option('-y', help='y coordinates', default=None, dest='y')
parser.add_option('-s', '--size', help='y coordinates', default=20, dest='size', type='int')
parser.add_option('-p', '--pch', help='shape of point', default="x", dest='pch')
parser.add_option('h', '--xtitle', help='title for x axis', default=None, dest='h')
parser.add_option('v', '--ytitle', help='title for y axis', default=None, dest='v')
parser.add_option('-c', '--colour', help='colour of the plot (%s)' %
colour_help, default='default', dest='colour')
opts, args = parser.parse_args()
if opts.f is None and (opts.x is None or opts.y is None):
opts.f = sys.stdin.readlines()
if opts.f or (opts.x and opts.y):
plot_scatter(opts.f, opts.x, opts.y, opts.size, opts.pch, opts.colour, opts.t, opts.h, opts.v)
else:
print("nothing to plot!")
if __name__ == "__main__":
main()