generated from mwc/lab_scatter
55 lines
1.2 KiB
Python
55 lines
1.2 KiB
Python
# transform.py
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# ------------
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# By MWC Contributors
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# The functions in this module transform data.
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# None of them are finished; this is your job!
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def maximum(data):
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highest = None
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for number in data:
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if highest is None:
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highest = number
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if number > highest:
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highest = number
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return highest
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def minimum(data):
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lowest = None
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for number in data:
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if lowest is None:
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lowest = number
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if number < lowest:
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lowest = number
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return lowest
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def bounds(data):
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return [minimum(data), maximum(data)]
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def clamp(value, low, high):
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if value < low:
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return low
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if value > high:
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return high
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return value
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def ratio(value, start, end):
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r=(value - start)/(end - start)
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return clamp(r, 0, 1)
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def scale(value, domain_min, domain_max, range_min, range_max):
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r=ratio(value, domain_min, domain_max)
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return range_min + r * (range_max - range_min)
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def get_x_values(points):
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x_values=[]
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for x, y in points:
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x_values.append(x)
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return x_values
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def get_y_values(points):
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y_values=[]
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for x, y in points:
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y_values.append(y)
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return y_values |