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johltn
27 lines
920 B
Python
27 lines
920 B
Python
import math
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def dms2dd(degrees, minutes, seconds, milliseconds=0):
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dd = float(degrees) + float(minutes)/60.0 + float(seconds)/(3600.0) + float(milliseconds/3600000.0)
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return dd
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def dd2dms(dd):
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dd = float(dd)
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sign = 1 if dd >= 0 else -1
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dd = abs(dd)
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minutes, seconds = divmod(dd*3600, 60)
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degrees, minutes = divmod(minutes, 60)
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if dd < 0:
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degrees = -degrees
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return (int(degrees) * sign, int(minutes) * sign, int(seconds) * sign)
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def xyz2enh(x, y, z, eastings, northings, orthogonal_height, x_axis_abscissa, x_axis_ordinate, scale=None):
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if scale is None:
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scale = 1.
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rotation = math.atan2(x_axis_ordinate, x_axis_abscissa)
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a = scale * math.cos(rotation)
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b = scale * math.sin(rotation)
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eastings = (a * x) - (b * y) + eastings
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northings = (b * x) + (a * y) + northings
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height = z + orthogonal_height
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return (eastings, northings, height)
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