map-machine/roentgen/util.py
Sergey Vartanov bb70935c19 Change scheme format; support pathlib.
Change name documentation as well.
2021-05-22 01:37:58 +03:00

39 lines
895 B
Python

"""
Röntgen utility file.
"""
from dataclasses import dataclass
from typing import Any
__author__ = "Sergey Vartanov"
__email__ = "me@enzet.ru"
@dataclass
class MinMax:
"""
Minimum and maximum.
"""
min_: Any = None
max_: Any = None
def update(self, value: Any) -> None:
"""
Update minimum and maximum with new value.
"""
self.min_ = value if not self.min_ or value < self.min_ else self.min_
self.max_ = value if not self.max_ or value > self.max_ else self.max_
def delta(self) -> Any:
"""
Difference between maximum and minimum.
"""
return self.max_ - self.min_
def center(self) -> Any:
"""
Get middle point between minimum and maximum.
"""
return (self.min_ + self.max_) / 2
def __repr__(self) -> str:
return f"{self.min_}:{self.max_}"