# Coverage for pygeodesy/units.py : 94%

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''' def __new__(cls, arg=None, name=NN, Error=UnitError, low=EPS, high=None, **name_arg): '''New C{Float_} instance. @arg cls: This class (C{Float_} or sub-class). @kwarg arg: The value (any C{type} convertable to C{float}). @kwarg name: Optional instance name (C{str}). @kwarg Error: Optional error to raise, overriding the default L{UnitError}. @kwarg low: Optional lower B{C{arg}} limit (C{float} or C{None}). @kwarg high: Optional upper B{C{arg}} limit (C{float} or C{None}). @kwarg name_arg: Optional C{name=arg} keyword argument, inlieu of B{C{name}} and B{C{arg}}. @returns: A C{Float_} instance. @raise Error: Invalid B{C{arg}} or B{C{arg}} below B{C{low}} or above B{C{high}}. ''' if name_arg: name, arg = _xkwds_popitem(name_arg) self = Float.__new__(cls, arg=arg, name=name, Error=Error) if (low is not None) and self < low: txt = Fmt.limit(below=Fmt.g(low, prec=6, ints=isinstance(self, Epoch))) elif (high is not None) and self > high: txt = Fmt.limit(above=Fmt.g(high, prec=6, ints=isinstance(self, Epoch))) else: return self raise _Error(cls, arg, name, Error, txt=txt) class Int_(Int): '''Named C{int} with optional limits C{low} and C{high}. ''' def __new__(cls, arg=None, name=NN, Error=UnitError, low=0, high=None, **name_arg): '''New named C{int} instance with limits. @kwarg cls: This class (C{Int_} or sub-class). @arg arg: The value (any C{type} convertable to C{int}). @kwarg name: Optional instance name (C{str}). @kwarg Error: Optional error to raise, overriding the default C{UnitError}. @kwarg low: Optional lower B{C{arg}} limit (C{int} or C{None}). @kwarg high: Optional upper B{C{arg}} limit (C{int} or C{None}). @kwarg name_arg: Optional C{name=arg} keyword argument, inlieu of B{C{name}} and B{C{arg}}. @returns: An L{Int_} instance. @raise Error: Invalid B{C{arg}} or B{C{arg}} below B{C{low}} or above B{C{high}}. ''' if name_arg: name, arg = _xkwds_popitem(name_arg) self = Int.__new__(cls, arg=arg, name=name, Error=Error) if (low is not None) and self < low: txt = Fmt.limit(below=low) elif (high is not None) and self > high: txt = Fmt.limit(above=high) else: return self raise _Error(cls, arg, name, Error, txt=txt) class Bool(Int, _NamedUnit): '''Named C{bool}, a sub-class of C{int} like Python's C{bool}. ''' # _std_repr = True # set below _bool_True_or_False = None def __new__(cls, arg=None, name=NN, Error=UnitError, **name_arg): '''New C{Bool} instance. @kwarg cls: This class (C{Bool} or sub-class). @kwarg arg: The value (any C{type} convertable to C{bool}). @kwarg name: Optional instance name (C{str}). @kwarg Error: Optional error to raise, overriding the default L{UnitError}. @kwarg name_arg: Optional C{name=arg} keyword argument, inlieu of B{C{name}} and B{C{arg}}. @returns: A L{Bool}, a C{bool}-like instance. @raise Error: Invalid B{C{arg}}. ''' if name_arg: name, arg = _xkwds_popitem(name_arg) try: b = bool(arg) except Exception as x: # XXX not ... as x: raise _Error(cls, arg, name, Error, x=x) self = Int.__new__(cls, b, name=name, Error=Error) self._bool_True_or_False = b return self # <https://StackOverflow.com/questions/9787890/assign-class-boolean-value-in-python> def __bool__(self): # PYCHOK Python 3+ return self._bool_True_or_False __nonzero__ = __bool__ # PYCHOK Python 2- def toRepr(self, std=False, **unused): # PYCHOK **unused '''Return a representation of this C{Bool}. @kwarg std: Use the standard C{repr} or the named representation (C{bool}). @note: Use C{env} variable C{PYGEODESY_BOOL_STD_REPR=std} prior to C{import pygeodesy} to get the standard C{repr} or set property C{std_repr=False} to always get the named C{toRepr} representation. ''' r = repr(self._bool_True_or_False) return r if std else self._toRepr(r) def toStr(self, **unused): # PYCHOK **unused '''Return this C{Bool} as standard C{str}. ''' return str(self._bool_True_or_False) class Band(Str): '''Named C{str} representing a UTM/UPS band letter, unchecked. ''' def __new__(cls, arg=None, name=_band_, **Error_name_arg): '''New L{Band} instance, see L{Str}. ''' return Str.__new__(cls, arg=arg, name=name, **Error_name_arg) class Degrees(Float): '''Named C{float} representing a coordinate in C{degrees}, optionally clipped. ''' _ddd_ = 1 # default for .dms._toDMS _sep_ = S_SEP _suf_ = (S_NUL,) * 3 def __new__(cls, arg=None, name=_degrees_, Error=UnitError, suffix=_NSEW_, clip=0, wrap=None, **name_arg): '''New C{Degrees} instance, see L{Float}. @arg cls: This class (C{Degrees} or sub-class). @kwarg arg: The value (any scalar C{type} convertable to C{float} or parsable by L{pygeodesy.parseDMS}). @kwarg name: Optional instance name (C{str}). @kwarg Error: Optional error to raise, overriding the default L{UnitError}. @kwarg suffix: Optional, valid compass direction suffixes (C{NSEW}). @kwarg clip: Optional B{C{arg}} range B{C{-clip..+clip}} (C{degrees} or C{0} or C{None} for unclipped). @kwarg wrap: Optionally adjust the B{C{arg}} value (L{pygeodesy.wrap90}, L{pygeodesy.wrap180} or L{pygeodesy.wrap360}). @kwarg name_arg: Optional C{name=arg} keyword argument, inlieu of B{C{name}} and B{C{arg}}. @returns: A C{Degrees} instance. @raise Error: Invalid B{C{arg}} or B{C{abs(arg)}} outside the B{C{clip}} range and L{pygeodesy.rangerrors} set to C{True}. ''' if name_arg: name, arg = _xkwds_popitem(name_arg) try: d = Float.__new__(cls, parseDMS(arg, suffix=suffix, clip=clip), Error=Error, name=name) if wrap: w = wrap(d) if w != d: d = Float.__new__(cls, arg=w, name=name, Error=Error) except Exception as x: raise _Error(cls, arg, name, Error, x=x) return d def toDegrees(self): '''Convert C{Degrees} to C{Degrees}. ''' return self def toRadians(self): '''Convert C{Degrees} to C{Radians}. ''' return Radians(radians(self), name=self.name) def toRepr(self, std=False, **prec_fmt_ints): # PYCHOK prec=8, ... '''Return a representation of this C{Degrees}. @kwarg std: If C{True} return the standard C{repr}, otherwise the named representation (C{bool}). @see: Methods L{Degrees.toStr}, L{Float.toRepr} and function L{pygeodesy.toDMS} for more documentation. ''' return Float.toRepr(self, std=std, **prec_fmt_ints) def toStr(self, prec=None, fmt=F__F_, ints=False, **s_D_M_S): # PYCHOK prec=8, ... '''Return this C{Degrees} as standard C{str}. @see: Function L{pygeodesy.toDMS} for keyword argument details. ''' if fmt.startswith(_PERCENT_): # use regular formatting p = 8 if prec is None else prec return fstr(self, prec=p, fmt=fmt, ints=ints, sep=self._sep_) else: s = self._suf_[signOf(self) + 1] return _toDMS(self, fmt, prec, self._sep_, self._ddd_, s, s_D_M_S) class Degrees_(Degrees): '''Named C{Degrees} representing a coordinate in C{degrees} with optional limits C{low} and C{high}. ''' def __new__(cls, arg=None, name=_degrees_, Error=UnitError, suffix=_NSEW_, low=None, high=None, **name_arg): '''New C{Degrees_} instance, see L{Degrees} and L{Float}.. @arg cls: This class (C{Degrees_} or sub-class). @kwarg arg: The value (any C{type} convertable to C{float} or parsable by L{pygeodesy.parseDMS}). @kwarg name: Optional instance name (C{str}). @kwarg Error: Optional error to raise, overriding the default L{UnitError}. @kwarg suffix: Optional, valid compass direction suffixes (C{NSEW}). @kwarg low: Optional lower B{C{arg}} limit (C{float} or C{None}). @kwarg high: Optional upper B{C{arg}} limit (C{float} or C{None}). @kwarg name_arg: Optional C{name=arg} keyword argument, inlieu of B{C{name}} and B{C{arg}}. @returns: A C{Degrees} instance. @raise Error: Invalid B{C{arg}} or B{C{arg}} below B{C{low}} or above B{C{high}}. ''' if name_arg: name, arg = _xkwds_popitem(name_arg) self = Degrees.__new__(cls, arg=arg, name=name, Error=Error, suffix=suffix, clip=0) if (low is not None) and self < low: txt = Fmt.limit(below=low) elif (high is not None) and self > high: txt = Fmt.limit(above=high) else: return self raise _Error(cls, arg, name, Error, txt=txt) class Degrees2(Float): '''Named C{float} representing a distance in C{degrees squared}. ''' def __new__(cls, arg=None, name=_degrees2_, **Error_name_arg): '''See L{Float}. ''' return Float.__new__(cls, arg=arg, name=name, **Error_name_arg) class Radians(Float): '''Named C{float} representing a coordinate in C{radians}, optionally clipped. ''' def __new__(cls, arg=None, name=_radians_, Error=UnitError, suffix=_NSEW_, clip=0, **name_arg): '''New C{Radians} instance, see L{Float}. @arg cls: This class (C{Radians} or sub-class). @kwarg arg: The value (any C{type} convertable to C{float} or parsable by L{pygeodesy.parseRad}). @kwarg name: Optional instance name (C{str}). @kwarg Error: Optional error to raise, overriding the default L{UnitError}. @kwarg suffix: Optional, valid compass direction suffixes (C{NSEW}). @kwarg clip: Optional B{C{arg}} range B{C{-clip..+clip}} (C{radians} or C{0} or C{None} for unclipped). @kwarg name_arg: Optional C{name=arg} keyword argument, inlieu of B{C{name}} and B{C{arg}}. @returns: A C{Radians} instance. @raise Error: Invalid B{C{arg}} or B{C{abs(arg)}} outside the B{C{clip}} range and L{pygeodesy.rangerrors} set to C{True}. ''' if name_arg: name, arg = _xkwds_popitem(name_arg) try: return Float.__new__(cls, parseRad(arg, suffix=suffix, clip=clip), Error=Error, name=name) except Exception as x: raise _Error(cls, arg, name, Error, x=x) def toDegrees(self): '''Convert C{Radians} to C{Degrees}. ''' return Degrees(degrees(self), name=self.name) def toRadians(self): '''Convert C{Radians} to C{Radians}. ''' return self def toRepr(self, std=False, **prec_fmt_ints): # PYCHOK prec=8, ... '''Return a representation of this C{Radians}. @kwarg std: If C{True} return the standard C{repr}, otherwise the named representation (C{bool}). @see: Methods L{Radians.toStr}, L{Float.toRepr} and function L{pygeodesy.toDMS} for more documentation. ''' return Float.toRepr(self, std=std, **prec_fmt_ints) def toStr(self, prec=8, fmt=F__F, ints=False): # PYCHOK prec=8, ... '''Return this C{Radians} as standard C{str}. @see: Function L{pygeodesy.fstr} for keyword argument details. ''' return fstr(self, prec=prec, fmt=fmt, ints=ints) class Radians_(Radians): '''Named C{float} representing a coordinate in C{radians} with optional limits C{low} and C{high}. ''' def __new__(cls, arg=None, name=_radians_, Error=UnitError, suffix=_NSEW_, low=_0_0, high=PI2, **name_arg): '''New C{Radians_} instance. @arg cls: This class (C{Radians_} or sub-class). @kwarg arg: The value (any C{type} convertable to C{float} or parsable by L{pygeodesy.parseRad}). @kwarg name: Optional instance name (C{str}). @kwarg Error: Optional error to raise, overriding the default L{UnitError}. @kwarg suffix: Optional, valid compass direction suffixes (C{NSEW}). @kwarg low: Optional lower B{C{arg}} limit (C{float} or C{None}). @kwarg high: Optional upper B{C{arg}} limit (C{float} or C{None}). @kwarg name_arg: Optional C{name=arg} keyword argument, inlieu of B{C{name}} and B{C{arg}}. @returns: A C{Radians_} instance. @raise Error: Invalid B{C{arg}} or B{C{arg}} below B{C{low}} or above B{C{high}}. ''' if name_arg: name, arg = _xkwds_popitem(name_arg) self = Radians.__new__(cls, arg=arg, name=name, Error=Error, suffix=suffix, clip=0) if (low is not None) and self < low: txt = Fmt.limit(below=low) elif (high is not None) and self > high: txt = Fmt.limit(above=high) else: return self raise _Error(cls, arg, name, Error, txt=txt) class Radians2(Float_): '''Named C{float} representing a distance in C{radians squared}. ''' def __new__(cls, arg=None, name=_radians2_, **Error_name_arg): '''New L{Radians2} instance, see L{Float_}. ''' return Float_.__new__(cls, arg=arg, name=name, low=_0_0, **Error_name_arg) class Bearing(Degrees): '''Named C{float} representing a bearing in compass C{degrees} from (true) North. ''' _ddd_ = 1 _suf_ = _N_ * 3 # always suffix N def __new__(cls, arg=None, name=_bearing_, Error=UnitError, clip=0, **name_arg): '''New L{Bearing} instance, see L{Degrees}. ''' if name_arg: name, arg = _xkwds_popitem(name_arg) d = Degrees.__new__(cls, arg=arg, name=name, Error=Error, suffix=_N_, clip=clip) b = _umod_360(d) # 0 <= b < 360 return d if b == d else Degrees.__new__(cls, arg=b, name=name, Error=Error) class Bearing_(Radians): '''Named C{float} representing a bearing in C{radians} from compass C{degrees} from (true) North. ''' def __new__(cls, arg=None, name=_bearing_, clip=0, **Error_name_arg): '''New L{Bearing_} instance, see L{Bearing} and L{Radians}. ''' d = Bearing.__new__(cls, arg=arg, name=name, clip=clip, **Error_name_arg) return Radians.__new__(cls, radians(d), name=name) class Distance(Float): '''Named C{float} representing a distance, conventionally in C{meter}. ''' def __new__(cls, arg=None, name=_distance_, **Error_name_arg): '''New L{Distance} instance, see L{Float}. ''' return Float.__new__(cls, arg=arg, name=name, **Error_name_arg) class Distance_(Float_): '''Named C{float} with optional C{low} and C{high} limits representing a distance, conventionally in C{meter}. ''' def __new__(cls, arg=None, name=_distance_, **low_high_Error_name_arg): '''New L{Distance_} instance, see L{Float}. ''' return Float_.__new__(cls, arg=arg, name=name, **low_high_Error_name_arg) class Easting(Float): '''Named C{float} representing an easting, conventionally in C{meter}. ''' def __new__(cls, arg=None, name=_easting_, Error=UnitError, falsed=False, high=None, **name_arg): '''New named C{Easting} or C{Easting of Point} instance. @arg cls: This class (C{Easting} or sub-class). @kwarg arg: The value (any C{type} convertable to C{float}). @kwarg name: Optional instance name (C{str}). @kwarg Error: Optional error to raise, overriding the default L{UnitError}. @kwarg falsed: The B{C{arg}} value includes false origin (C{bool}). @kwarg high: Optional upper B{C{arg}} easting limit (C{scalar} or C{None}). @kwarg name_arg: Optional C{name=arg} keyword argument, inlieu of B{C{name}} and B{C{arg}}. @returns: An C{Easting} instance. @raise Error: Invalid B{C{arg}}, above B{C{high}} or negative, falsed B{C{arg}}. ''' if name_arg: name, arg = _xkwds_popitem(name_arg) self = Float.__new__(cls, arg=arg, name=name, Error=Error) if high and (self < 0 or self > high): # like Veness raise _Error(cls, arg, name, Error) elif falsed and self < 0: raise _Error(cls, arg, name, Error, txt=_negative_falsed_) return self class Epoch(Float_): # in .ellipsoidalBase, .trf '''Named C{epoch} with optional C{low} and C{high} limits representing a fractional calendar year. ''' _std_repr = False def __new__(cls, arg=None, name=_epoch_, Error=TRFError, low=1900, high=9999, **name_arg): '''New L{Epoch} instance, see L{Float_}. ''' if name_arg: name, arg = _xkwds_popitem(name_arg) return arg if isinstance(arg, Epoch) else Float_.__new__(cls, arg=arg, name=name, Error=Error, low=low, high=high) def toRepr(self, std=False, **unused): # PYCHOK prec=3, fmt=Fmt.F, ints=True '''Return a representation of this C{Epoch}. @kwarg std: Use the standard C{repr} or the named representation (C{bool}). @see: Method L{Float.toRepr} for more documentation. ''' return Float_.toRepr(self, std=std) # prec=-3, fmt=Fmt.F, ints=True def toStr(self, **unused): # PYCHOK prec=3, fmt=Fmt.F, ints=True '''Format this C{Epoch} as C{str}. @see: Function L{pygeodesy.fstr} for more documentation. ''' return fstr(self, prec=-3, fmt=Fmt.F, ints=True) __str__ = toStr # PYCHOK default '%.3F', with trailing zeros and decimal point class Feet(Float): '''Named C{float} representing a distance or length in C{feet}. ''' def __new__(cls, arg=None, name=_feet_, **Error_name_arg): '''New L{Feet} instance, see L{Float}. ''' return Float.__new__(cls, arg=arg, name=name, **Error_name_arg) class FIx(Float_): '''A named I{Fractional Index}, an C{int} or C{float} index into a C{list} or C{tuple} of C{points}, typically. A C{float} I{Fractional Index} C{fi} represents a location on the edge between C{points[int(fi)]} and C{points[(int(fi) + 1) % len(points)]}. ''' _fin = 0 def __new__(cls, fi, fin=None, **name_Error): '''New I{Fractional Index} in a C{list} or C{tuple} of points. @arg fi: The fractional index (C{float} or C{int}). @kwarg fin: Optional C{len}, the number of C{points}, the index C{[n]} wrapped to C{[0]} (C{int} or C{None}). @kwarg name_Error: Optional keyword argument C{B{name}=NN} and C{B{Error}=UnitError}. @return: The B{C{fi}} (named L{FIx}). @note: The returned B{C{fi}} may exceed the B{C{flen}} of the original C{points} in certain open/closed cases. @see: Method L{fractional} or function L{pygeodesy.fractional}. ''' n = Int_(fin=fin, low=0) if fin else None f = Float_.__new__(cls, fi, low=_0_0, high=n, **name_Error) i = int(f) r = f - float(i) if r < EPS: # see .points._fractional f = Float_.__new__(cls, i, low=_0_0) elif r > EPS1: f = Float_.__new__(cls, i + 1, high=n, **name_Error) if n: # non-zero and non-None f._fin = n return f @Property_RO def fin(self): '''Get the given C{len}, the index C{[n]} wrapped to C{[0]} (C{int}). ''' return self._fin def fractional(self, points, wrap=None, LatLon=None, Vector=None, **kwds): '''Return the point at this I{Fractional Index}. @arg points: The points (C{LatLon}[], L{Numpy2LatLon}[], L{Tuple2LatLon}[] or C{other}[]). @kwarg wrap: Wrap and unroll longitudes (C{bool}) or C{None} for backward compatible L{LatLon2Tuple} or B{C{LatLon}} with averaged lat- and longitudes. @kwarg LatLon: Optional class to return the I{intermediate}, I{fractional} point (C{LatLon}) or C{None}. @kwarg Vector: Optional class to return the I{intermediate}, I{fractional} point (C{Cartesian}, C{Vector3d}) or C{None}. @kwarg kwds: Optional, additional B{C{LatLon}} I{or} B{C{Vector}} keyword arguments, ignored if both C{B{LatLon}} and C{B{Vector}} are C{None}. @return: See function L{pygeodesy.fractional}. @raise IndexError: This fractional index invalid or B{C{points}} not subscriptable or not closed. @raise TypeError: Invalid B{C{LatLon}}, B{C{Vector}} or B{C{kwds}} argument. @see: Function L{pygeodesy.fractional}. ''' # fi = 0 if self == self.fin else self return _MODS.points.fractional(points, self, wrap=wrap, LatLon=LatLon, Vector=Vector, **kwds) def _fi_j2(f, n): # PYCHOK in .ellipsoidalBaseDI, .vector3d # Get 2-tuple (C{fi}, C{j}) i = int(f) # like L{FIx} if not 0 <= i < n: raise _AssertionError(i=i, n=n, f=f, r=f - float(i)) return FIx(fi=f, fin=n), (i + 1) % n class Height(Float): # here to avoid circular import '''Named C{float} representing a height, conventionally in C{meter}. ''' def __new__(cls, arg=None, name=_height_, **Error_name_arg): '''New L{Height} instance, see L{Float}. ''' return Float.__new__(cls, arg=arg, name=name, **Error_name_arg) class Height_(Float_): # here to avoid circular import '''Named C{float} with optional C{low} and C{high} limits representing a height, conventionally in C{meter}. ''' def __new__(cls, arg=None, name=_height_, **low_high_Error_name_arg): '''New L{Height} instance, see L{Float}. ''' return Float_.__new__(cls, arg=arg, name=name, **low_high_Error_name_arg) class Lam(Radians): '''Named C{float} representing a longitude in C{radians}. ''' def __new__(cls, arg=None, name=_lam_, clip=PI, **Error_name_arg): '''New L{Lam} instance, see L{Radians}. ''' return Radians.__new__(cls, arg=arg, name=name, suffix=_EW_, clip=clip, **Error_name_arg) class Lam_(Lam): '''Named C{float} representing a longitude in C{radians} converted from C{degrees}. ''' def __new__(cls, arg=None, name=_lon_, Error=UnitError, clip=180, **name_arg): '''New L{Lam_} instance, see L{Lam} and L{Radians}. ''' if name_arg: name, arg = _xkwds_popitem(name_arg) d = Lam.__new__(cls, arg=arg, name=name, Error=Error, clip=clip) return Radians.__new__(cls, radians(d), name=name, Error=Error) class Lat(Degrees): '''Named C{float} representing a latitude in C{degrees}. ''' _ddd_ = 2 _suf_ = _S_, S_NUL, _N_ # no zero suffix def __new__(cls, arg=None, name=_lat_, clip=90, **Error_name_arg): '''New L{Lat} instnace, see L{Degrees}. ''' return Degrees.__new__(cls, arg=arg, name=name, suffix=_NS_, clip=clip, **Error_name_arg) class Lat_(Degrees_): '''Named C{float} representing a latitude in C{degrees} within limits C{low} and C{high}. ''' _ddd_ = 2 _suf_ = _S_, S_NUL, _N_ # no zero suffix def __new__(cls, arg=None, name=_lat_, low=-90, high=90, **Error_name_arg): '''See L{Degrees_}. ''' return Degrees_.__new__(cls, arg=arg, name=name, suffix=_NS_, low=low, high=high, **Error_name_arg) class Lon(Degrees): '''Named C{float} representing a longitude in C{degrees}. ''' _ddd_ = 3 _suf_ = _W_, S_NUL, _E_ # no zero suffix def __new__(cls, arg=None, name=_lon_, clip=180, **Error_name_arg): '''New L{Lon} instance, see L{Degrees}. ''' return Degrees.__new__(cls, arg=arg, name=name, suffix=_EW_, clip=clip, **Error_name_arg) class Lon_(Degrees_): '''Named C{float} representing a longitude in C{degrees} within limits C{low} and C{high}. ''' _ddd_ = 3 _suf_ = _W_, S_NUL, _E_ # no zero suffix def __new__(cls, arg=None, name=_lon_, low=-180, high=180, **Error_name_arg): '''New L{Lon_} instance, see L{Lon} and L{Degrees_}. ''' return Degrees_.__new__(cls, arg=arg, name=name, suffix=_EW_, low=low, high=high, **Error_name_arg) class Meter(Float): '''Named C{float} representing a distance or length in C{meter}. ''' def __new__(cls, arg=None, name=_meter_, **Error_name_arg): '''New L{Meter} instance, see L{Float}. ''' return Float.__new__(cls, arg=arg, name=name, **Error_name_arg) def __repr__(self): '''Return a representation of this C{Meter}. @see: Method C{Str.toRepr} and property C{Str.std_repr}. @note: Use C{env} variable C{PYGEODESY_METER_STD_REPR=std} prior to C{import pygeodesy} to get the standard C{repr} or set property C{std_repr=False} to always get the named C{toRepr} representation. ''' return self.toRepr(std=self._std_repr) # _1Å = Meter( _Å= 1e-10) # PyCHOK 1 Ångstrōm _1um = Meter( _1um= 1.e-6) # PYCHOK 1 micrometer in .mgrs _10um = Meter( _10um= 1.e-5) # PYCHOK 10 micrometer in .osgr _1mm = Meter( _1mm=_0_001) # PYCHOK 1 millimeter in .ellipsoidal... _100km = Meter( _100km= 1.e+5) # PYCHOK 100 kilometer in .formy, .mgrs, .osgr _2000km = Meter(_2000km= 2.e+6) # PYCHOK 2,000 kilometer in .mgrs class Meter_(Float_): '''Named C{float} representing a distance or length in C{meter}. ''' def __new__(cls, arg=None, name=_meter_, low=_0_0, **high_Error_name_arg): '''New L{Meter_} instance, see L{Meter} and L{Float_}. ''' return Float_.__new__(cls, arg=arg, name=name, low=low, **high_Error_name_arg) class Meter2(Float_): '''Named C{float} representing an area in C{meter squared}. ''' def __new__(cls, arg=None, name=_meter2_, Error=UnitError, **name_arg): '''New L{Meter2} instance, see L{Float_}. ''' return Float_.__new__(cls, arg=arg, name=name, Error=Error, low=_0_0, **name_arg) class Meter3(Float_): '''Named C{float} representing a volume in C{meter cubed}. ''' def __new__(cls, arg=None, name='meter3', **Error_name_arg): '''New L{Meter3} instance, see L{Float_}. ''' return Float_.__new__(cls, arg=arg, name=name, low=_0_0, **Error_name_arg) class Northing(Float): '''Named C{float} representing a northing, conventionally in C{meter}. ''' def __new__(cls, arg=None, name=_northing_, Error=UnitError, falsed=False, high=None, **name_arg): '''New C{Northing} or C{Northing of point} instance. @arg cls: This class (C{Northing} or sub-class). @kwarg arg: The value (any C{type} convertable to C{float}). @kwarg name: Optional instance name (C{str}). @kwarg Error: Optional error to raise, overriding the default L{UnitError}. @kwarg falsed: The B{C{arg}} value includes false origin (C{bool}). @kwarg high: Optional upper B{C{arg}} northing limit (C{scalar} or C{None}). @kwarg name_arg: Optional C{name=arg} keyword argument, inlieu of B{C{name}} and B{C{arg}}. @returns: A C{Northing} instance. @raise Error: Invalid B{C{arg}}, above B{C{high}} or negative, falsed B{C{arg}}. ''' if name_arg: name, arg = _xkwds_popitem(name_arg) self = Float.__new__(cls, arg=arg, name=name, Error=Error) if high and (self < 0 or self > high): raise _Error(cls, arg, name, Error) elif falsed and self < 0: raise _Error(cls, arg, name, Error, txt=_negative_falsed_) return self class Number_(Int_): '''Named C{int} representing a non-negative number. ''' def __new__(cls, arg=None, name=_number_, **low_high_Error_name_arg): '''New L{Number_} instance, see L{Int_}. ''' return Int_.__new__(cls, arg=arg, name=name, **low_high_Error_name_arg) class Phi(Radians): '''Named C{float} representing a latitude in C{radians}. ''' def __new__(cls, arg=None, name=_phi_, clip=PI_2, **Error_name_arg): '''New L{Phi} instance, see L{Radians}. ''' return Radians.__new__(cls, arg=arg, name=name, suffix=_NS_, clip=clip, **Error_name_arg) class Phi_(Phi): '''Named C{float} representing a latitude in C{radians} converted from C{degrees}. ''' def __new__(cls, arg=None, name=_lat_, Error=UnitError, clip=90, **name_arg): '''New L{Phi_} instance, see L{Phi} and L{Radians}. ''' if name_arg: name, arg = _xkwds_popitem(name_arg) d = Phi.__new__(cls, arg=arg, name=name, Error=Error, clip=clip) return Radians.__new__(cls, arg=radians(d), name=name, Error=Error) class Precision_(Int_): '''Named C{int} with optional C{low} and C{high} limits representing a precision. ''' def __new__(cls, arg=None, name=_precision_, **low_high_Error_name_arg): '''New L{Precision_} instance, see L{Int_}. ''' return Int_.__new__(cls, arg=arg, name=name, **low_high_Error_name_arg) class Radius_(Float_): '''Named C{float} with optional C{low} and C{high} limits representing a radius, conventionally in C{meter}. ''' def __new__(cls, arg=None, name=_radius_, **low_high_Error_name_arg): '''New L{Radius_} instance, see L{Radius} and L{Float}. ''' return Float_.__new__(cls, arg=arg, name=name, **low_high_Error_name_arg) class Scalar(Float): '''Named C{float} representing a factor, fraction, scale, etc. ''' def __new__(cls, arg=None, name=_scalar_, **Error_name_arg): '''New L{Scalar} instance, see L{Float}. ''' return Float.__new__(cls, arg=arg, name=name, **Error_name_arg) class Scalar_(Float_): '''Named C{float} with optional C{low} and C{high} limits representing a factor, fraction, scale, etc. ''' def __new__(cls, arg=None, name=_scalar_, low=_0_0, **high_Error_name_arg): '''New L{Scalar_} instance, see L{Scalar} and L{Float_}. ''' return Float_.__new__(cls, arg=arg, name=name, low=low, **high_Error_name_arg) class Zone(Int): '''Named C{int} representing a UTM/UPS zone number. ''' def __new__(cls, arg=None, name=_zone_, **Error_name_arg): '''New L{Zone} instance, see L{Int} ''' # usually low=_UTMUPS_ZONE_MIN, high=_UTMUPS_ZONE_MAX return Int_.__new__(cls, arg=arg, name=name, **Error_name_arg) def _xStrError(*Refs, **name_value_Error): '''(INTERNAL) Create a C{TypeError} for C{Garef}, C{Geohash}, C{Wgrs}. ''' r = tuple(r.__name__ for r in Refs) + (Str.__name__, _LatLon_, 'LatLon*Tuple') return _IsnotError(*r, **name_value_Error) def _xUnit(units, Base): # in .frechet, .hausdorff '''(INTERNAL) Get C{Unit} from C{Unit} or C{name}, ortherwise C{Base}. ''' if not issubclassof(Base, _NamedUnit): raise _IsnotError(_NamedUnit.__name__, Base=Base) U = globals().get(units.capitalize(), Base) if isstr(units) else ( units if issubclassof(units, Base) else Base) return U if issubclassof(U, Base) else Base def _xUnits(units, Base=_NamedUnit): # in .frechet, .hausdorff '''(INTERNAL) Set property C{units} as C{Unit} or C{Str}. ''' if not issubclassof(Base, _NamedUnit): raise _IsnotError(_NamedUnit.__name__, Base=Base) elif issubclassof(units, Base): return units elif isstr(units): return Str(units, name=_units_) # XXX Str to _Pass and for backward compatibility else: raise _IsnotError(Base.__name__, Str.__name__, str.__name__, units=units) def _std_repr(*Classes): '''(INTERNAL) Use standard C{repr} or named C{toRepr}. ''' for C in Classes: if hasattr(C, _std_repr.__name__): # PYCHOK del _std_repr env = 'PYGEODESY_%s_STD_REPR' % (C.__name__.upper(),) if _getenv(env, _std_).lower() != _std_: C._std_repr = False _std_repr(Bearing, Bool, Degrees, Float, Int, Meter, Radians, Str) # PYCHOK expected del _std_repr __all__ += _ALL_DOCS(_NamedUnit) # **) MIT License # # Copyright (C) 2016-2022 -- mrJean1 at Gmail -- All Rights Reserved. # # Permission is hereby granted, free of charge, to any person obtaining a # copy of this software and associated documentation files (the "Software"), # to deal in the Software without restriction, including without limitation # the rights to use, copy, modify, merge, publish, distribute, sublicense, # and/or sell copies of the Software, and to permit persons to whom the # Software is furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included # in all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS # OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL # THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR # OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, # ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR # OTHER DEALINGS IN THE SOFTWARE.