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https://github.com/dcs-retribution/dcs-retribution.git
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37 lines
1.2 KiB
Python
37 lines
1.2 KiB
Python
from typing import List, Tuple
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from pydantic.dataclasses import dataclass
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@dataclass(frozen=True)
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class LatLon:
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# These names match Leaflet for easier interop.
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lat: float
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lng: float
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def as_list(self) -> List[float]:
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return [self.lat, self.lng]
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@staticmethod
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def _components(dimension: float) -> Tuple[int, int, float]:
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degrees = int(dimension)
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minutes = int(dimension * 60 % 60)
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seconds = dimension * 3600 % 60
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return degrees, minutes, seconds
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def _format_component(
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self, dimension: float, hemispheres: Tuple[str, str], seconds_precision: int
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) -> str:
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hemisphere = hemispheres[0] if dimension >= 0 else hemispheres[1]
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degrees, minutes, seconds = self._components(dimension)
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return f"{degrees}°{minutes:02}'{seconds:02.{seconds_precision}f}\"{hemisphere}"
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def format_dms(self, include_decimal_seconds: bool = False) -> str:
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precision = 2 if include_decimal_seconds else 0
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return " ".join(
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[
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self._format_component(self.lat, ("N", "S"), precision),
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self._format_component(self.lng, ("E", "W"), precision),
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]
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)
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