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70 lines
2.1 KiB
Markdown
70 lines
2.1 KiB
Markdown
- [Asciichart](./examples/py/)
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```python
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# -*- coding: utf-8 -*-
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# This file is a copied implementation from my asciichart repository on GitHub
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# https://github.com/kroitor/asciichart
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from math import cos
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# from math import sin
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from math import pi
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from math import floor
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from math import ceil
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def plot(series, cfg={}):
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minimum = min(series)
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maximum = max(series)
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interval = abs(float(maximum) - float(minimum))
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offset = cfg['offset'] if 'offset' in cfg else 3
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# padding = cfg['padding'] if 'padding' in cfg else ' '
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height = cfg['height'] if 'height' in cfg else interval
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ratio = height / interval
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# print(minimum,ratio,type(minimum))
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min2 = floor(float(minimum) * ratio)
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max2 = ceil(float(maximum) * ratio)
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intmin2 = int(min2)
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intmax2 = int(max2)
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rows = abs(intmax2 - intmin2)
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width = len(series) + offset
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# format = cfg['format'] if 'format' in cfg else lambda x: (padding + '{:.2f}'.format(x))[:-len(padding)]
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result = [[' '] * width for i in range(rows + 1)]
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# axis and labels
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for y in range(intmin2, intmax2 + 1):
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label = '{:8.2f}'.format(float(maximum) - ((y - intmin2) * interval / rows))
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result[y - intmin2][max(offset - len(label), 0)] = label
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result[y - intmin2][offset - 1] = '┼' if y == 0 else '┤'
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y0 = int(series[0] * ratio - min2)
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result[rows - y0][offset - 1] = '┼' # first value
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for x in range(0, len(series) - 1): # plot the line
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y0 = int(round(series[x + 0] * ratio) - intmin2)
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y1 = int(round(series[x + 1] * ratio) - intmin2)
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if y0 == y1:
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result[rows - y0][x + offset] = '─'
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else:
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result[rows - y1][x + offset] = '╰' if y0 > y1 else '╭'
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result[rows - y0][x + offset] = '╮' if y0 > y1 else '╯'
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start = min(y0, y1) + 1
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end = max(y0, y1)
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for y in range(start, end):
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result[rows - y][x + offset] = '│'
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return '\n'.join([''.join(row) for row in result])
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if __name__ == '__main__':
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width = 180
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series = [15 * cos(i * ((pi * 4) / width)) for i in range(width)]
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print(plot(series))
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``` |