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- # Read a CSV path specification and plot the data
- import matplotlib.pyplot as plt
- # Read and parse the file
- filename = input('Enter a file: ')
- x = []
- y = []
- with open(filename, 'r') as file:
- for line in file:
- try:
- pos = [float(l.strip()) for l in line.split(',')]
- except Exception as e:
- continue
- x.append(pos[0])
- y.append(pos[1])
- # Set the axis ranges
- padding = 0.5
- xmin = min(x)
- ymin = min(y)
- xmax = max(x)
- ymax = max(y)
- xrange = abs(xmax - xmin)
- yrange = abs(ymax - ymin)
- if xrange > yrange:
- yoff = (xrange - yrange) / 2
- ymin -= yoff
- ymax += yoff
- elif yrange > xrange:
- xoff = (yrange - xrange) / 2
- xmin -= xoff
- xmax += xoff
- xmin -= padding
- ymin -= padding
- xmax += padding
- ymax += padding
- # Plot the path
- plt.plot(x, y)
- plt.axis([xmin, xmax, ymin, ymax])
- plt.show()
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