31 lines
920 B
Python
31 lines
920 B
Python
import telescope_driver
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class TelescopeModel(object):
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# Minimum safe elevation angle (see handbook).
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MIN_ANGLE = 0.0
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# Maximum safe elevation angle (see handbook).
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MAX_ANGLE = 80.0
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def __init__(self, address):
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self.address = address
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# Connect to telescope
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self.connection = telescope_driver.connect(address)
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# Get initial state of telescope.
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self.current_angle = telescope_driver.get_angle(self.connection)
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def set_elevation_angle(self, angle):
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""" Set the elevation angle of the telescope (in rad).
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If the angle is outside the range allowed by the manufacturer,
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raise a ValueError.
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"""
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if angle < self.MIN_ANGLE or angle > self.MAX_ANGLE:
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raise ValueError('Unsafe elevation angle: {}'.format(angle))
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telescope_driver.set_angle(self.connection, angle)
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self.current_angle = angle
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