99 lines
1.9 KiB
Python
99 lines
1.9 KiB
Python
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import re
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import math
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#将弧度转换为度分秒
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def rad2dms(r):
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d = r * 180 / math.pi
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m = (d - int(d)) * 60
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d = int(d)
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s = (m - int(m)) * 60
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m = int(m)
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return d, m, s
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#将度分秒转换为弧度
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def dms2rad(d, m, s):
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return (d + m / 60 + s / 360) / 180 * math.pi
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class string:
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dtype = str
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def __init__(self):
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pass
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def str2val(self, s):
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return s
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def val2str(self, v):
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return v
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class integer:
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dtype = int
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def __init__(self, fmt = "%d"):
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self.fmt = fmt
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def str2val(self, s):
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s = s.strip()
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if not s:
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return None
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try:
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v = int(s)
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except:
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v = int(float(s))
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return v
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def val2str(self, v):
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return self.fmt % v
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class decimal:
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dtype = float
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def __init__(self, fmt = "%.3f", epsilon = 1e-4):
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self.fmt = fmt
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self.epsilon = epsilon
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def str2val(self, s):
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s = s.strip()
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if not s:
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return None
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return float(s)
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def val2str(self, v):
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if abs(v) < self.epsilon:
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v = 0.0
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return self.fmt % v
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class kdecimal:
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dtype = float
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def __init__(self, fmt = "%07.3f", epsilon = 1e-4):
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self.fmt = fmt
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self.epsilon = epsilon
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def str2val(self, s):
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s = s.strip()
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if not s:
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return None
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match = re.match(r"[kK](\d+)\+(\d+(?:\.\d+)?)", s)
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if match is None:
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raise RuntimeError(f"pattern not matched: {s}")
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a = match.group(1)
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b = match.group(2)
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return float(a + b)
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def val2str(self, v):
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a = v // 1000
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b = v % 1000
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if abs(b - 1000) < self.epsilon:
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a += 1
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b = 0.0
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elif abs(b) < self.epsilon:
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b = 0.0
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return f"K%d+{self.fmt}" % (a, b)
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class angle:
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dtype = float
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def __init__(self):
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pass
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def str2val(self, s):
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s = s.strip()
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if not s:
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return None
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match = re.match(r"(\d+)°(\d+)′(\d+(?:\.\d+)?)″", s)
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if match is None:
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raise RuntimeError(f"pattern not matched: {s}")
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d = int(match.group(1))
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m = int(match.group(2))
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s = float(match.group(3))
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return dms2rad(d, m, s)
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def val2str(self, v):
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return "%2d°%02d′%05.2f″" % rad2dms(v)
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