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This demo calculates the next 10 solar eclipses that are visible from a given location on the Earth, after a given date.
23 lines
669 B
Python
23 lines
669 B
Python
#!/usr/bin/env python3
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#
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# astro_demo_common.py - Don Cross - 2019-07-26
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#
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# Utility functions shared by Python demo programs.
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#
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import sys
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import astronomy
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from typing import List, Tuple
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def ParseArgs(args: List[str]) -> Tuple[astronomy.Observer, astronomy.Time]:
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if len(args) not in [3, 4]:
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print('USAGE: {} latitude longitude [yyyy-mm-ddThh:mm:ssZ]'.format(args[0]))
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sys.exit(1)
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latitude = float(args[1])
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longitude = float(args[2])
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if len(args) == 4:
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time = astronomy.Time.Parse(args[3])
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else:
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time = astronomy.Time.Now()
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observer = astronomy.Observer(latitude, longitude)
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return (observer, time)
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