Coverage for pygeodesy / namedTuples.py: 95%

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1 

2# -*- coding: utf-8 -*- 

3 

4u'''Named tuples. 

5 

6Tuples returned by C{pygeodesy} functions and class methods 

7are all instances of some C{Named...Tuple} class, all sub-classes 

8of C{_NamedTuple} defined in C{pygeodesy.named}. 

9''' 

10 

11from pygeodesy.basics import isinstanceof, issubclassof, map1, _xinstanceof 

12# from pygeodesy.cartesianBase import CartesianBase # _MODS 

13from pygeodesy.constants import INT0, _0_5, fabs # PYCHOK used! _0_5 

14# from pygeodesy.dms import toDMS # _MODS 

15from pygeodesy.errors import _TypeError, _xattr, _xkwds, _xkwds_not, _xkwds_pop2 

16# from pygeodesy.internals import typename # from .named 

17from pygeodesy.interns import NN, _1_, _2_, _a_, _A_, _area_, _angle_, _b_, _B_, \ 

18 _band_, _beta_, _c_, _C_, _D_, _datum_, _distance_, \ 

19 _E_, _easting_, _end_, _fi_, _gamma_, _h_, _height_, \ 

20 _hemipole_, _initial_, _j_, _lam_, _lat_, _lon_, \ 

21 _n_, _northing_, _number_, _outside_, _phi_, _point_, \ 

22 _precision_, _points_, _radius_, _scale_, _start_, \ 

23 _x_, _y_, _z_, _zone_ 

24# from pygeodesy.lazily import _ALL_LAZY, _ALL_MODS as _MODS # from .named 

25from pygeodesy.named import _NamedTuple, _Pass, _ALL_LAZY, _MODS, typename 

26from pygeodesy.props import deprecated_property_RO, Property_RO, property_RO 

27from pygeodesy.units import Band, Bearing, Degrees, Degrees2, Easting, FIx, \ 

28 Height, Int, Lam, Lat, Lon, Meter, Meter2, \ 

29 Northing, Number_, Phi, Precision_, Radians, \ 

30 Radius, Scalar, Str 

31# from math import fabs # from .constants 

32 

33__all__ = _ALL_LAZY.namedTuples 

34__version__ = '26.05.23' 

35 

36# __DUNDER gets mangled in class 

37_closest_ = 'closest' 

38_destination_ = 'destination' 

39_elel_ = 'll' 

40_final_ = 'final' 

41_fraction_ = 'fraction' 

42 

43 

44class Bearing2Tuple(_NamedTuple): 

45 '''2-Tuple C{(initial, final)} bearings, both in compass C{degrees360}. 

46 ''' 

47 _Names_ = (_initial_, _final_) 

48 _Units_ = ( Bearing, Bearing) 

49 

50 

51class Bounds2Tuple(_NamedTuple): # .geohash.py, .latlonBase.py, .points.py 

52 '''2-Tuple C{(latlonSW, latlonNE)} with the bounds' lower-left and 

53 upper-right corner as C{LatLon} instance. 

54 ''' 

55 _Names_ = ('latlonSW', 'latlonNE') 

56 _Units_ = (_Pass, _Pass) 

57 

58 

59class Bounds4Tuple(_NamedTuple): # .geohash.py, .points.py 

60 '''4-Tuple C{(latS, lonW, latN, lonE)} with the bounds' lower-left 

61 C{(LatS, LowW)} and upper-right C{(latN, lonE)} corner lat- and 

62 longitudes. 

63 ''' 

64 _Names_ = ('latS', 'lonW', 'latN', 'lonE') 

65 _Units_ = ( Lat, Lon, Lat, Lon) 

66 

67 def enclosures(self, S_other, *W_N_E): 

68 '''Get the enclosures of this around an other L{Bounds4Tuple}. 

69 

70 @arg S_other: Bottom C{latS} (C{scalar}) or an other 

71 L{Bounds4Tuple} instance. 

72 @arg W_N_E: Left C{lonW}, top C{latN} and right C{lonE}, 

73 each a (C{scalar}) for C{scalar B{S_other}}. 

74 

75 @return: A L{Bounds4Tuple} with the I{margin} at each of 

76 the 4 sides, positive if this side I{encloses} 

77 (is on the I{outside} of) the other, negative 

78 if not or zero if abutting. 

79 ''' 

80 s, w, n, e, \ 

81 S, W, N, E = self._plus_other8(S_other, W_N_E) 

82 return Bounds4Tuple(map1(float, S - s, W - w, n - N, e - E), # *map1 

83 name=typename(Bounds4Tuple.enclosures)) 

84 

85 @Property_RO 

86 def latC(self): 

87 '''Get the center latitude (C{degrees}). 

88 ''' 

89 return Lat(latC=(self.latS + self.latN) * _0_5) 

90 

91 @Property_RO 

92 def lonC(self): 

93 '''Get the center longitude (C{degrees}). 

94 ''' 

95 return Lon(lonC=(self.lonW + self.lonE) * _0_5) 

96 

97 def overlap(self, S_other, *W_N_E): 

98 '''Intersect this with an other L{Bounds4Tuple}. 

99 

100 @arg S_other: Bottom C{latS} (C{scalar}) or an other 

101 L{Bounds4Tuple} instance. 

102 @arg W_N_E: Left C{lonW}, top C{latN} and right C{lonE}, 

103 each a (C{scalar}) for C{scalar B{S_other}}. 

104 

105 @return: C{None} if the bounds do not overlap, otherwise 

106 the intersection of both as a L{Bounds4Tuple}. 

107 ''' 

108 s, w, n, e, \ 

109 S, W, N, E = self._plus_other8(S_other, W_N_E) 

110 return None if s > N or n < S or w > E or e < W else \ 

111 Bounds4Tuple(max(s, S), max(w, W), min(n, N), min(e, E), 

112 name=typename(Bounds4Tuple.overlap)) 

113 

114 def _plus_other8(self, S_other, W_N_E): 

115 # return this (s, w, n, e) + other (S, W, N, E) 

116 if W_N_E: 

117 S_other = map1(float, S_other, *W_N_E) 

118 else: 

119 _xinstanceof(Bounds4Tuple, S_other=S_other) 

120 return self + S_other 

121 

122 

123class Circle4Tuple(_NamedTuple): 

124 '''4-Tuple C{(radius, height, lat, beta)} with the C{radius} and C{height} 

125 of a parallel I{circle of latitude} at (geodetic) latitude C{lat} and 

126 I{parametric (or reduced) auxiliary latitude} C{beta} on a I{biaxial 

127 ellipsoid}. 

128 

129 The C{height} is the (signed) distance along the z-axis between the 

130 parallel and the equator. At near-polar C{lat}s, the C{radius} is C{0}, 

131 the C{height} is the ellipsoid's polar radius (signed) and C{beta} 

132 equals C{lat}. The latter are in C{degrees90}, always. 

133 

134 @see: Class L{Ellipse5Tuple}. 

135 ''' 

136 _Names_ = (_radius_, _height_, _lat_, _beta_) 

137 _Units_ = ( Radius, Height, Lat, Lat) 

138 

139 @property_RO 

140 def abc3(self): 

141 '''Get the non-negative semi-axes as 3-tuple C{(a, b, c)}. 

142 ''' 

143 return map1(fabs, self.radius, self.radius, self.height) # PYCHOK named 

144 

145 

146class Destination2Tuple(_NamedTuple): # .ellipsoidalKarney.py, -Vincenty.py 

147 '''2-Tuple C{(destination, final)}, C{destination} in C{LatLon} 

148 and C{final} bearing in compass C{degrees360}. 

149 ''' 

150 _Names_ = (_destination_, _final_) 

151 _Units_ = (_Pass, Bearing) 

152 

153 

154class Destination3Tuple(_NamedTuple): # .karney.py 

155 '''3-Tuple C{(lat, lon, final)}, destination C{lat}, C{lon} in 

156 C{degrees90} respectively C{degrees180} and C{final} bearing 

157 in compass C{degrees360}. 

158 ''' 

159 _Names_ = (_lat_, _lon_, _final_) 

160 _Units_ = ( Lat, Lon, Bearing) 

161 

162 

163class Distance2Tuple(_NamedTuple): # .datum.py, .ellipsoidalBase.py 

164 '''2-Tuple C{(distance, initial)}, C{distance} in C{meter} and 

165 C{initial} bearing in compass C{degrees360}. 

166 ''' 

167 _Names_ = (_distance_, _initial_) 

168 _Units_ = ( Meter, Bearing) 

169 

170 

171class Distance3Tuple(_NamedTuple): # .ellipsoidalKarney.py, -Vincenty.py 

172 '''3-Tuple C{(distance, initial, final)}, C{distance} in C{meter} 

173 and C{initial} and C{final} bearing, both in compass C{degrees360}. 

174 ''' 

175 _Names_ = (_distance_, _initial_, _final_) 

176 _Units_ = ( Meter, Bearing, Bearing) 

177 

178 

179class Distance4Tuple(_NamedTuple): # .formy.py, .points.py 

180 '''4-Tuple C{(distance2, delta_lat, delta_lon, unroll_lon2)} with 

181 the distance in C{degrees squared}, the latitudinal C{delta_lat 

182 = B{lat2} - B{lat1}}, the wrapped, unrolled and adjusted 

183 longitudinal C{delta_lon = B{lon2} - B{lon1}} and C{unroll_lon2}, 

184 the unrolled or original B{C{lon2}}. 

185 

186 @note: Use Function L{pygeodesy.degrees2m} to convert C{degrees 

187 squared} to C{meter} as M{degrees2m(sqrt(distance2), ...)} 

188 or M{degrees2m(hypot(delta_lat, delta_lon), ...)}. 

189 ''' 

190 _Names_ = ('distance2', 'delta_lat', 'delta_lon', 'unroll_lon2') 

191 _Units_ = ( Degrees2, Degrees, Degrees, Degrees) 

192 

193 

194class EasNor2Tuple(_NamedTuple): # .css, .osgr, .ups, .utm, .utmupsBase 

195 '''2-Tuple C{(easting, northing)}, both in C{meter}, conventionally. 

196 ''' 

197 _Names_ = (_easting_, _northing_) 

198 _Units_ = ( Easting, Northing) 

199 

200 

201class EasNor3Tuple(_NamedTuple): # .css.py, .lcc.py 

202 '''3-Tuple C{(easting, northing, height)}, all in C{meter}, conventionally. 

203 ''' 

204 _Names_ = (_easting_, _northing_, _height_) 

205 _Units_ = ( Easting, Northing, Height) 

206 

207 

208class _Convergence(object): 

209 '''(INTERNAL) DEPRECATED Property C{convergence}, use property C{gamma}.''' 

210 @deprecated_property_RO 

211 def convergence(self): 

212 '''DEPRECATED, use property C{gamma}. 

213 ''' 

214 return self.gamma # PYCHOK self[.] 

215 

216 

217class Ellipse5Tuple(_NamedTuple): # in .triaxials.bases._UnOrderedTriaxialBase.ellipse5 

218 '''5-Tuple C{(a, b, height, lat, beta)} with semi-axes C{a} and C{b} of a parallel 

219 I{ellipse of latitude} at (geodetic) latitude C{lat} and I{parametric (or reduced) 

220 auxiliary latitude} C{beta} of a I{triaxial ellipsoid}. 

221 

222 The C{height} is the (signed) distance between the parallel and the triaxial's 

223 equatorial plane. At near-polar C{lat}s, C{a} and C{b} are C{0}, the C{height} 

224 is the triaxial semi-axis C{c} (signed) and C{beta} equals C{lat}. The latter 

225 are in C{degrees90}, always. 

226 

227 @see: Class L{Circle4Tuple}. 

228 ''' 

229 _Names_ = (_a_, _b_, _height_, _lat_, _beta_) 

230 _Units_ = ( Radius, Radius, Height, Lat, Lat) 

231 

232 @property_RO 

233 def abc3(self): 

234 '''Get the semi-axes as 3-tuple C{(a, b, c)}, non-negative. 

235 ''' 

236 return map1(fabs, self.a, self.b, self.height) # PYCHOK namedTuple 

237 

238 @property_RO 

239 def abc3ordered(self): 

240 '''Get the semi-axes as 3-tuple C{(a, b, c)}, non-negative, ordered. 

241 ''' 

242 return tuple(reversed(sorted(self.abc3))) 

243 

244 def toTriaxial(self, **Triaxial_and_kwds): # like .Ellipse.toTriaxial_ 

245 '''Return a L{Triaxial_<pygeodesy.Triaxial>} from this tuple's semi-axes C{abc3ordered}. 

246 

247 @kwarg Triaxial_and_kwds: Optional C{B{Triaxial}=Triaxial} class and additional 

248 C{Triaxial} keyword arguments. 

249 ''' 

250 T, kwds = _xkwds_pop2(Triaxial_and_kwds, Triaxial=_MODS.triaxials.Triaxial) 

251 return T(*self.abc3ordered, **_xkwds(kwds, name=self.name)) # 'NN' 

252 

253 def toTriaxial_(self, **Triaxial_and_kwds): # like .Ellipse.toTriaxial_ 

254 '''Return a L{Triaxial_<pygeodesy.Triaxial_>} from this tuple's semi-axes C{abc3}. 

255 

256 @kwarg Triaxial_and_kwds: Optional C{B{Triaxial}=Triaxial_} class and additional 

257 C{Triaxial_} keyword arguments. 

258 ''' 

259 T, kwds = _xkwds_pop2(Triaxial_and_kwds, Triaxial=_MODS.triaxials.Triaxial_) 

260 return T(*self.abc3, **_xkwds(kwds, name=self.name)) # 'NN' 

261 

262 

263class Forward4Tuple(_NamedTuple, _Convergence): 

264 '''4-Tuple C{(easting, northing, gamma, scale)} in C{meter}, C{meter}, meridian 

265 convergence C{gamma} at point in C{degrees} and the C{scale} of projection at 

266 point C{scalar}. 

267 ''' 

268 _Names_ = (_easting_, _northing_, _gamma_, _scale_) 

269 _Units_ = ( Easting, Northing, Degrees, Scalar) 

270 

271 

272class Intersection3Tuple(_NamedTuple): # .css.py, .lcc.py 

273 '''3-Tuple C{(point, outside1, outside2)} of an intersection C{point} and C{outside1}, 

274 the position of the C{point}, C{-1} if before the start, C{+1} if after the end and 

275 C{0} if on or between the start and end point of the first line. 

276 

277 Similarly, C{outside2} is C{-2}, C{+2} or C{0} to indicate the position of the 

278 intersection C{point} on the second line or path. 

279 

280 If a path was specified with an initial bearing instead of an end point, C{outside1} 

281 and/or C{outside2} will be C{0} if the intersection C{point} is on the start point 

282 or C{+1} respectively C{+2} if the intersection C{point} is after the start point, 

283 in the direction of the bearing. 

284 ''' 

285 _Names_ = (_point_, _outside_ + _1_, _outside_ + _2_) 

286 _Units_ = (_Pass, Int, Int) 

287 

288 

289class LatLon2Tuple(_NamedTuple): 

290 '''2-Tuple C{(lat, lon)} in C{degrees90} and C{degrees180}. 

291 ''' 

292 _Names_ = (_lat_, _lon_) 

293 _Units_ = ( Lat, Lon) 

294 

295 def to3Tuple(self, height, **name): 

296 '''Extend this L{LatLon2Tuple} to a L{LatLon3Tuple}. 

297 

298 @arg height: The height to add (C{scalar}). 

299 @kwarg name: Optional C{B{name}=NN} (C{str}), overriding 

300 this name. 

301 

302 @return: A L{LatLon3Tuple}C{(lat, lon, height)}. 

303 

304 @raise ValueError: Invalid B{C{height}}. 

305 ''' 

306 return self._xtend(LatLon3Tuple, height, **name) 

307 

308 def to4Tuple(self, height, datum, **name): 

309 '''Extend this L{LatLon2Tuple} to a L{LatLon4Tuple}. 

310 

311 @arg height: The height to add (C{scalar}). 

312 @arg datum: The datum to add (C{Datum}). 

313 @kwarg name: Optional C{B{name}=NN} (C{str}), overriding 

314 this name. 

315 

316 @return: A L{LatLon4Tuple}C{(lat, lon, height, datum)}. 

317 

318 @raise TypeError: If B{C{datum}} not a C{Datum}. 

319 

320 @raise ValueError: Invalid B{C{height}}. 

321 ''' 

322 return self.to3Tuple(height).to4Tuple(datum, **name) 

323 

324 

325class LatLon3Tuple(_NamedTuple): 

326 '''3-Tuple C{(lat, lon, height)} in C{degrees90}, C{degrees180} 

327 and C{meter}, conventionally. 

328 ''' 

329 _Names_ = (_lat_, _lon_, _height_) 

330 _Units_ = ( Lat, Lon, Height) 

331 

332 def to4Tuple(self, datum, **name): 

333 '''Extend this L{LatLon3Tuple} to a L{LatLon4Tuple}. 

334 

335 @arg datum: The datum to add (C{Datum}). 

336 @kwarg name: Optional C{B{name}=NN} (C{str}), overriding 

337 this name. 

338 

339 @return: A L{LatLon4Tuple}C{(lat, lon, height, datum)}. 

340 

341 @raise TypeError: If B{C{datum}} not a C{Datum}. 

342 ''' 

343 _xinstanceof(_MODS.datums.Datum, datum=datum) 

344 return self._xtend(LatLon4Tuple, datum, **name) 

345 

346 

347class LatLon4Tuple(LatLon3Tuple): # .cartesianBase, .css, .ecef, .lcc 

348 '''4-Tuple C{(lat, lon, height, datum)} in C{degrees90}, 

349 C{degrees180}, C{meter} and L{Datum}. 

350 ''' 

351 _Names_ = (_lat_, _lon_, _height_, _datum_) 

352 _Units_ = ( Lat, Lon, Height, _Pass) 

353 

354 

355def _LL4Tuple(lat, lon, height, datum, LatLon, LatLon_kwds, inst=None, 

356 iteration=None, **name): 

357 '''(INTERNAL) Return a L{LatLon4Tuple} or a B{C{LatLon}} instance. 

358 ''' 

359 if LatLon is None: # ignore LatLon_kwds 

360 r = LatLon4Tuple(lat, lon, height, datum, **name) 

361 else: 

362 kwds = {} if inst is None else _xkwds_not(None, 

363# datum=_xattr(inst, datum=None), 

364 epoch=_xattr(inst, epoch=None), 

365 reframe=_xattr(inst, reframe=None)) # PYCHOK indent 

366 kwds.update(datum=datum, height=height, **name) 

367 if LatLon_kwds: 

368 kwds.update(LatLon_kwds) 

369 r = LatLon(lat, lon, **kwds) 

370 if iteration is not None: # like .named._namedTuple.__new__ 

371 r._iteration = iteration 

372 return r 

373 

374 

375class LatLonDatum3Tuple(_NamedTuple): # .lcc.py, .osgr.py 

376 '''3-Tuple C{(lat, lon, datum)} in C{degrees90}, C{degrees180} 

377 and L{Datum}. 

378 ''' 

379 _Names_ = (_lat_, _lon_, _datum_) 

380 _Units_ = ( Lat, Lon, _Pass) 

381 

382 

383class LatLonDatum5Tuple(LatLonDatum3Tuple, _Convergence): # .ups.py, .utm.py, .utmupsBase.py 

384 '''5-Tuple C{(lat, lon, datum, gamma, scale)} in C{degrees90}, 

385 C{degrees180}, L{Datum}, C{degrees} and C{float}. 

386 ''' 

387 _Names_ = LatLonDatum3Tuple._Names_ + (_gamma_, _scale_) 

388 _Units_ = LatLonDatum3Tuple._Units_ + ( Degrees, Scalar) 

389 

390 

391class LatLonPrec3Tuple(_NamedTuple): # .gars.py, .wgrs.py 

392 '''3-Tuple C{(lat, lon, precision)} in C{degrees}, C{degrees} 

393 and C{int}. 

394 ''' 

395 _Names_ = (_lat_, _lon_, _precision_) 

396 _Units_ = ( Lat, Lon, Precision_) 

397 

398 def to5Tuple(self, height, radius, **name): 

399 '''Extend this L{LatLonPrec3Tuple} to a L{LatLonPrec5Tuple}. 

400 

401 @arg height: The height to add (C{float} or C{None}). 

402 @arg radius: The radius to add (C{float} or C{None}). 

403 @kwarg name: Optional C{B{name}=NN} (C{str}), overriding 

404 this name. 

405 

406 @return: A L{LatLonPrec5Tuple}C{(lat, lon, precision, 

407 height, radius)}. 

408 ''' 

409 return self._xtend(LatLonPrec5Tuple, height, radius, **name) 

410 

411 

412class LatLonPrec5Tuple(LatLonPrec3Tuple): # .wgrs.py 

413 '''5-Tuple C{(lat, lon, precision, height, radius)} in C{degrees}, 

414 C{degrees}, C{int} and C{height} or C{radius} in C{meter} (or 

415 C{None} if missing). 

416 ''' 

417 _Names_ = LatLonPrec3Tuple._Names_ + (_height_, _radius_) 

418 _Units_ = LatLonPrec3Tuple._Units_ + ( Height, Radius) 

419 

420 

421class _NamedTupleTo(_NamedTuple): # in .testNamedTuples 

422 '''(INTERNAL) Base for C{-.toDegrees}, C{-.toRadians}. 

423 ''' 

424 def _Degrees3(self, *xs, **toDMS_kwds): 

425 '''(INTERNAL) Convert C{xs} from C{Radians} to C{Degrees} or C{toDMS}. 

426 ''' 

427 if toDMS_kwds: 

428 toDMS_kwds = _xkwds(toDMS_kwds, ddd=1, pos=NN) 

429 toDMS, s = _MODS.dms.toDMS, None 

430 else: 

431 toDMS, s = None, self 

432 for x in xs: 

433 if not isinstanceof(x, Degrees): 

434 x, s = x.toDegrees(), None 

435 yield toDMS(x, **toDMS_kwds) if toDMS else x 

436 yield s 

437 

438 def _Radians3(self, *xs, **unused): 

439 '''(INTERNAL) Convert C{xs} from C{Degrees} to C{Radians}. 

440 ''' 

441 s = self 

442 for x in xs: 

443 if not isinstanceof(x, Radians): 

444 x, s = x.toRadians(), None 

445 yield x 

446 yield s 

447 

448 

449class NearestOn2Tuple(_NamedTuple): # .ellipsoidalBaseDI 

450 '''2-Tuple C{(closest, fraction)} of the C{closest} point 

451 on and C{fraction} along a line (segment) between two 

452 points. The C{fraction} is C{0} if the closest point 

453 is the first or C{1} the second of the two points. 

454 Negative C{fraction}s indicate the closest point is 

455 C{before} the first point. For C{fraction > 1.0} 

456 the closest point is after the second point. 

457 ''' 

458 _Names_ = (_closest_, _fraction_) 

459 _Units_ = (_Pass, _Pass) 

460 

461 

462class NearestOn3Tuple(_NamedTuple): # .points.py, .sphericalTrigonometry 

463 '''3-Tuple C{(closest, distance, angle)} of the C{closest} 

464 point on the polygon, either a C{LatLon} instance or a 

465 L{LatLon3Tuple}C{(lat, lon, height)} and the C{distance} 

466 and C{angle} to the C{closest} point are in C{meter} 

467 respectively compass C{degrees360}. 

468 ''' 

469 _Names_ = (_closest_, _distance_, _angle_) 

470 _Units_ = (_Pass, Meter, Degrees) 

471 

472 

473# NearestOn4Tuple DEPRECATED, see .deprecated.classes.NearestOn4Tuple 

474 

475 

476class NearestOn5Tuple(_NamedTuple): 

477 '''5-Tuple C{(lat, lon, distance, angle, height)} all in C{degrees}, 

478 except C{height}. The C{distance} is the L{pygeodesy.equirectangular} 

479 distance between the closest and the reference B{C{point}} in C{degrees}. 

480 The C{angle} from the reference B{C{point}} to the closest point is in 

481 compass C{degrees360}, see function L{pygeodesy.compassAngle}. The 

482 C{height} is the (interpolated) height at the closest point in C{meter} 

483 or C{0}. 

484 ''' 

485 _Names_ = (_lat_, _lon_, _distance_, _angle_, _height_) 

486 _Units_ = ( Lat, Lon, Degrees, Degrees, Meter) 

487 

488 

489class NearestOn6Tuple(_NamedTuple): # .latlonBase.py, .vector3d.py 

490 '''6-Tuple C{(closest, distance, fi, j, start, end)} with the C{closest} 

491 point, the C{distance} in C{meter}, conventionally and the C{start} 

492 and C{end} point of the path or polygon edge. Fractional index C{fi} 

493 (an L{FIx} instance) and index C{j} indicate the path or polygon edge 

494 and the fraction along that edge with the C{closest} point. The 

495 C{start} and C{end} points may differ from the given path or polygon 

496 points at indices C{fi} respectively C{j}, when unrolled (C{wrap} is 

497 C{True}). Also, the C{start} and/or C{end} point may be the same 

498 instance as the C{closest} point, for example when the very first 

499 path or polygon point is the nearest. 

500 ''' 

501 _Names_ = (_closest_, _distance_, _fi_, _j_, _start_, _end_) 

502 _Units_ = (_Pass, Meter, FIx, Number_, _Pass , _Pass) 

503 

504 

505class NearestOn8Tuple(_NamedTuple): # .ellipsoidalBaseDI 

506 '''8-Tuple C{(closest, distance, fi, j, start, end, initial, final)}, 

507 like L{NearestOn6Tuple} but extended with the C{initial} and the 

508 C{final} bearing at the reference respectively the C{closest} 

509 point, both in compass C{degrees}. 

510 ''' 

511 _Names_ = NearestOn6Tuple._Names_ + Distance3Tuple._Names_[-2:] 

512 _Units_ = NearestOn6Tuple._Units_ + Distance3Tuple._Units_[-2:] 

513 

514 

515class PhiLam2Tuple(_NamedTuple): # .frechet, .hausdorff, .latlonBase, .points, .vector3d 

516 '''2-Tuple C{(phi, lam)} with latitude C{phi} in C{radians[PI_2]} 

517 and longitude C{lam} in C{radians[PI]}. 

518 

519 @note: Using C{phi/lambda} for lat-/longitude in C{radians} 

520 follows Chris Veness' U{convention 

521 <https://www.Movable-Type.co.UK/scripts/latlong.html>}. 

522 ''' 

523 _Names_ = (_phi_, _lam_) 

524 _Units_ = ( Phi, Lam) 

525 

526 def to3Tuple(self, height, **name): 

527 '''Extend this L{PhiLam2Tuple} to a L{PhiLam3Tuple}. 

528 

529 @arg height: The height to add (C{scalar}). 

530 @kwarg name: Optional C{B{name}=NN} (C{str}), 

531 overriding this name. 

532 

533 @return: A L{PhiLam3Tuple}C{(phi, lam, height)}. 

534 

535 @raise ValueError: Invalid B{C{height}}. 

536 ''' 

537 return self._xtend(PhiLam3Tuple, height, **name) 

538 

539 def to4Tuple(self, height, datum): 

540 '''Extend this L{PhiLam2Tuple} to a L{PhiLam4Tuple}. 

541 

542 @arg height: The height to add (C{scalar}). 

543 @arg datum: The datum to add (C{Datum}). 

544 

545 @return: A L{PhiLam4Tuple}C{(phi, lam, height, datum)}. 

546 

547 @raise TypeError: If B{C{datum}} not a C{Datum}. 

548 

549 @raise ValueError: Invalid B{C{height}}. 

550 ''' 

551 return self.to3Tuple(height).to4Tuple(datum) 

552 

553 

554class PhiLam3Tuple(_NamedTuple): # .nvector.py, extends -2Tuple 

555 '''3-Tuple C{(phi, lam, height)} with latitude C{phi} in 

556 C{radians[PI_2]}, longitude C{lam} in C{radians[PI]} and 

557 C{height} in C{meter}. 

558 

559 @note: Using C{phi/lambda} for lat-/longitude in C{radians} 

560 follows Chris Veness' U{convention 

561 <https://www.Movable-Type.co.UK/scripts/latlong.html>}. 

562 ''' 

563 _Names_ = (_phi_, _lam_, _height_) 

564 _Units_ = ( Phi, Lam, Height) 

565 

566 def to4Tuple(self, datum, **name): 

567 '''Extend this L{PhiLam3Tuple} to a L{PhiLam4Tuple}. 

568 

569 @arg datum: The datum to add (C{Datum}). 

570 @kwarg name: Optional C{B{name}=NN} (C{str}), 

571 overriding this name. 

572 

573 @return: A L{PhiLam4Tuple}C{(phi, lam, height, datum)}. 

574 

575 @raise TypeError: If B{C{datum}} not a C{Datum}. 

576 ''' 

577 _xinstanceof(_MODS.datums.Datum, datum=datum) 

578 return self._xtend(PhiLam4Tuple, datum, **name) 

579 

580 

581class PhiLam4Tuple(_NamedTuple): # extends -3Tuple 

582 '''4-Tuple C{(phi, lam, height, datum)} with latitude C{phi} in 

583 C{radians[PI_2]}, longitude C{lam} in C{radians[PI]}, C{height} 

584 in C{meter} and L{Datum}. 

585 

586 @note: Using C{phi/lambda} for lat-/longitude in C{radians} 

587 follows Chris Veness' U{convention 

588 <https://www.Movable-Type.co.UK/scripts/latlong.html>}. 

589 ''' 

590 _Names_ = (_phi_, _lam_, _height_, _datum_) 

591 _Units_ = ( Phi, Lam, Height, _Pass) 

592 

593 

594class Point3Tuple(_NamedTuple): 

595 '''3-Tuple C{(x, y, ll)} in C{meter}, C{meter} and C{LatLon}. 

596 ''' 

597 _Names_ = (_x_, _y_, _elel_) 

598 _Units_ = ( Meter, Meter, _Pass) 

599 

600 

601class Points2Tuple(_NamedTuple): # .formy, .latlonBase 

602 '''2-Tuple C{(number, points)} with the C{number} of points 

603 and -possible reduced- C{list} or C{tuple} of C{points}. 

604 ''' 

605 _Names_ = (_number_, _points_) 

606 _Units_ = ( Number_, _Pass) 

607 

608 

609class Reverse4Tuple(_NamedTuple, _Convergence): 

610 '''4-Tuple C{(lat, lon, gamma, scale)} with C{lat}- and 

611 C{lon}gitude in C{degrees}, meridian convergence C{gamma} 

612 at point in C{degrees} and the C{scale} of projection at 

613 point C{scalar}. 

614 ''' 

615 _Names_ = (_lat_, _lon_, _gamma_, _scale_) 

616 _Units_ = ( Lat, Lon, Degrees, Scalar) 

617 

618 

619class Triangle7Tuple(_NamedTuple): 

620 '''7-Tuple C{(A, a, B, b, C, c, area)} with interior angles C{A}, 

621 C{B} and C{C} in C{degrees}, spherical sides C{a}, C{b} and C{c} 

622 in C{meter} conventionally and the C{area} of a (spherical) 

623 triangle in I{square} C{meter} conventionally. 

624 ''' 

625 _Names_ = (_A_, _a_, _B_, _b_, _C_, _c_, _area_) 

626 _Units_ = ( Degrees, Meter, Degrees, Meter, Degrees, Meter, Meter2) 

627 

628 

629class Triangle8Tuple(_NamedTuple): 

630 '''8-Tuple C{(A, a, B, b, C, c, D, E)} with interior angles C{A}, 

631 C{B} and C{C}, spherical sides C{a}, C{b} and C{c}, the I{spherical 

632 deficit} C{D} and the I{spherical excess} C{E} of a (spherical) 

633 triangle, all in C{radians}. 

634 ''' 

635 _Names_ = (_A_, _a_, _B_, _b_, _C_, _c_, _D_, _E_) 

636 _Units_ = ( Radians, Radians, Radians, Radians, Radians, Radians, Radians, Radians) 

637 

638 

639class Trilaterate5Tuple(_NamedTuple): # .latlonBase, .nvector 

640 '''5-Tuple C{(min, minPoint, max, maxPoint, n)} with C{min} and C{max} 

641 in C{meter}, the corresponding trilaterated C{minPoint} and C{maxPoint} 

642 as C{LatLon} and the number C{n}. For area overlap, C{min} and C{max} 

643 are the smallest respectively largest overlap found. For perimeter 

644 intersection, C{min} and C{max} represent the closest respectively 

645 farthest intersection margin. Count C{n} is the total number of 

646 trilaterated overlaps or intersections found, C{0, 1, 2...6} with 

647 C{0} meaning concentric. 

648 

649 @see: The C{ellipsoidalKarney-}, C{ellipsoidalVincenty-} and 

650 C{sphericalTrigonometry.LatLon.trilaterate5} method for further 

651 details on corner cases, like concentric or single trilaterated 

652 results. 

653 ''' 

654 _Names_ = (min.__name__, 'minPoint', max.__name__, 'maxPoint', _n_) 

655 _Units_ = (Meter, _Pass, Meter, _Pass, Number_) 

656 

657 

658class UtmUps2Tuple(_NamedTuple): # .epsg.py 

659 '''2-Tuple C{(zone, hemipole)} as C{int} and C{str}, where 

660 C{zone} is C{1..60} for UTM or C{0} for UPS and C{hemipole} 

661 C{'N'|'S'} is the UTM hemisphere or the UPS pole. 

662 ''' 

663 _Names_ = (_zone_, _hemipole_) 

664 _Units_ = ( Number_, Str) 

665 

666 

667class UtmUps5Tuple(_NamedTuple): # .mgrs.py, .ups.py, .utm.py, .utmups.py 

668 '''5-Tuple C{(zone, hemipole, easting, northing, band)} as C{int}, 

669 C{str}, C{meter}, C{meter} and C{band} letter, where C{zone} is 

670 C{1..60} for UTM or C{0} for UPS, C{hemipole} C{'N'|'S'} is the UTM 

671 hemisphere or the UPS pole and C{band} is C{""} or the I{longitudinal} 

672 UTM band C{'C'|'D'|..|'W'|'X'} or I{polar} UPS band C{'A'|'B'|'Y'|'Z'}. 

673 ''' 

674 _Names_ = (_zone_, _hemipole_, _easting_, _northing_, _band_) 

675 _Units_ = ( Number_, Str, Easting, Northing, Band) 

676 

677 def __new__(cls, z, h, e, n, B, Error=None, **name): 

678 if Error is not None: 

679 e = Easting( e, Error=Error) 

680 n = Northing(n, Error=Error) 

681 return _NamedTuple.__new__(cls, z, h, e, n, B, **name) 

682 

683 

684class UtmUps8Tuple(_NamedTuple, _Convergence): # .ups, .utm, .utmups 

685 '''8-Tuple C{(zone, hemipole, easting, northing, band, datum, 

686 gamma, scale)} as C{int}, C{str}, C{meter}, C{meter}, C{band} 

687 letter, C{Datum}, C{degrees} and C{scalar}, where C{zone} is 

688 C{1..60} for UTM or C{0} for UPS, C{hemipole} C{'N'|'S'} is 

689 the UTM hemisphere or the UPS pole and C{band} is C{""} or 

690 the I{longitudinal} UTM band C{'C'|'D'|..|'W'|'X'} or 

691 I{polar} UPS band C{'A'|'B'|'Y'|'Z'}. 

692 ''' 

693 _Names_ = (_zone_, _hemipole_, _easting_, _northing_, 

694 _band_, _datum_, _gamma_, _scale_) 

695 _Units_ = ( Number_, Str, Easting, Northing, 

696 Band, _Pass, Degrees, Scalar) 

697 

698 def __new__(cls, z, h, e, n, B, d, g, s, Error=None, **name): # PYCHOK 11 args 

699 if Error is not None: 

700 e = Easting( e, Error=Error) 

701 n = Northing(n, Error=Error) 

702 g = Degrees(gamma=g, Error=Error) 

703 s = Scalar(scale=s, Error=Error) 

704 return _NamedTuple.__new__(cls, z, h, e, n, B, d, g, s, **name) 

705 

706 

707class UtmUpsLatLon5Tuple(_NamedTuple): # .ups.py, .utm.py, .utmups.py 

708 '''5-Tuple C{(zone, band, hemipole, lat, lon)} as C{int}, 

709 C{str}, C{str}, C{degrees90} and C{degrees180}, where 

710 C{zone} is C{1..60} for UTM or C{0} for UPS, C{band} is 

711 C{""} or the I{longitudinal} UTM band C{'C'|'D'|..|'W'|'X'} 

712 or I{polar} UPS band C{'A'|'B'|'Y'|'Z'} and C{hemipole} 

713 C{'N'|'S'} is the UTM hemisphere or the UPS pole. 

714 ''' 

715 _Names_ = (_zone_, _band_, _hemipole_, _lat_, _lon_) 

716 _Units_ = ( Number_, Band, Str, Lat, Lon) 

717 

718 def __new__(cls, z, B, h, lat, lon, Error=None, **name): 

719 if Error is not None: 

720 lat = Lat(lat, Error=Error) 

721 lon = Lon(lon, Error=Error) 

722 return _NamedTuple.__new__(cls, z, B, h, lat, lon, **name) 

723 

724 

725class Vector2Tuple(_NamedTuple): 

726 '''2-Tuple C{(x, y)} of (geocentric) components, each in 

727 C{meter} or the same C{units}. 

728 ''' 

729 _Names_ = (_x_, _y_) 

730 _Units_ = ( Scalar, Scalar) 

731 

732 def toCartesian(self, Cartesian, **Cartesian_kwds): 

733 '''Return this C{Vector2Tuple} as a C{Cartesian}. 

734 

735 @arg Cartesian: The C{Cartesian} class to use. 

736 @kwarg Cartesian_kwds: Optional, additional C{Cartesian} 

737 keyword arguments. 

738 

739 @return: The C{B{Cartesian}} instance with C{z=0}. 

740 ''' 

741 return _v2Cls(self.xyz, Cartesian, Cartesian_kwds) 

742 

743 def to3Tuple(self, z=INT0, **name): 

744 '''Extend this L{Vector2Tuple} to a L{Vector3Tuple}. 

745 

746 @kwarg z: The Z component add (C{scalar}). 

747 @kwarg name: Optional C{B{name}=NN} (C{str}), 

748 overriding this name. 

749 

750 @return: A L{Vector3Tuple}C{(x, y, z)}. 

751 

752 @raise ValueError: Invalid B{C{z}}. 

753 ''' 

754 return self._xtend(Vector3Tuple, z, **name) 

755 

756 @property_RO 

757 def xyz(self): 

758 '''Get X, Y and Z=0 components (C{Vector3Tuple}). 

759 ''' 

760 return Vector3Tuple(*self.xyz3) 

761 

762 @property_RO 

763 def xyz3(self): 

764 '''Get X, Y and Z=0 components as C{3-tuple}. 

765 ''' 

766 return self.x, self.y, INT0 

767 

768 

769class Vector3Tuple(_NamedTuple): 

770 '''3-Tuple C{(x, y, z)} of (geocentric) components, all in 

771 C{meter} or the same C{units}. 

772 ''' 

773 _Names_ = (_x_, _y_, _z_) 

774 _Units_ = ( Scalar, Scalar, Scalar) 

775 

776 def toCartesian(self, Cartesian, **Cartesian_kwds): 

777 '''Return this C{Vector3Tuple} as a C{Cartesian}. 

778 

779 @arg Cartesian: The C{Cartesian} class to use. 

780 @kwarg Cartesian_kwds: Optional, additional C{Cartesian} 

781 keyword arguments. 

782 

783 @return: The C{B{Cartesian}} instance. 

784 ''' 

785 return _v2Cls(self, Cartesian, Cartesian_kwds) 

786 

787 def to4Tuple(self, h=INT0, **name): 

788 '''Extend this L{Vector3Tuple} to a L{Vector4Tuple}. 

789 

790 @arg h: The height to add (C{scalar}). 

791 @kwarg name: Optional C{B{name}=NN} (C{str}), 

792 overriding this name. 

793 

794 @return: A L{Vector4Tuple}C{(x, y, z, h)}. 

795 

796 @raise ValueError: Invalid B{C{h}}. 

797 ''' 

798 return self._xtend(Vector4Tuple, h, **name) 

799 

800 @property_RO 

801 def xyz(self): 

802 '''Get X, Y and Z components (C{Vector3Tuple}). 

803 ''' 

804 return self 

805 

806 @property_RO 

807 def xyz3(self): 

808 '''Get X, Y and Z components as C{3-tuple}. 

809 ''' 

810 return tuple(self) 

811 

812 

813class Vector4Tuple(_NamedTuple): # .nvector.py 

814 '''4-Tuple C{(x, y, z, h)} of (geocentric) components, all 

815 in C{meter} or the same C{units}. 

816 ''' 

817 _Names_ = (_x_, _y_, _z_, _h_) 

818 _Units_ = ( Scalar, Scalar, Scalar, Height) 

819 

820 def toCartesian(self, Cartesian, **Cartesian_kwds): 

821 '''Return this C{Vector4Tuple} as a C{Cartesian}. 

822 

823 @arg Cartesian: The C{Cartesian} class to use. 

824 @kwarg Cartesian_kwds: Optional, additional C{Cartesian} 

825 keyword arguments. 

826 

827 @return: The C{B{Cartesian}} instance. 

828 ''' 

829 return _v2Cls(self, Cartesian, Cartesian_kwds) 

830 

831 def to3Tuple(self): 

832 '''Reduce this L{Vector4Tuple} to a L{Vector3Tuple}. 

833 

834 @return: A L{Vector3Tuple}C{(x, y, z)}. 

835 ''' 

836 return self.xyz 

837 

838 @property_RO 

839 def xyz(self): 

840 '''Get X, Y and Z components (L{Vector3Tuple}). 

841 ''' 

842 return Vector3Tuple(*self.xyz) 

843 

844 @property_RO 

845 def xyz3(self): 

846 '''Get X, Y and Z components as C{3-tuple}. 

847 ''' 

848 return tuple(self[:3]) 

849 

850 

851def _v2Cls(v, Cls, Cartesian_kwds): # in .vector3d 

852 if issubclassof(Cls, _MODS.cartesianBase.CartesianBase): # _MODS.vector3d.Vector3d) 

853 return Cls(v, **Cartesian_kwds) 

854 raise _TypeError(Cartesian=Cls, **Cartesian_kwds) 

855 

856# **) MIT License 

857# 

858# Copyright (C) 2016-2026 -- mrJean1 at Gmail -- All Rights Reserved. 

859# 

860# Permission is hereby granted, free of charge, to any person obtaining a 

861# copy of this software and associated documentation files (the "Software"), 

862# to deal in the Software without restriction, including without limitation 

863# the rights to use, copy, modify, merge, publish, distribute, sublicense, 

864# and/or sell copies of the Software, and to permit persons to whom the 

865# Software is furnished to do so, subject to the following conditions: 

866# 

867# The above copyright notice and this permission notice shall be included 

868# in all copies or substantial portions of the Software. 

869# 

870# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 

871# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 

872# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 

873# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 

874# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 

875# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 

876# OTHER DEALINGS IN THE SOFTWARE.