# Coverage for pygeodesy/rhumbsolve.py : 99%

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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 | # -*- coding: utf-8 -*- u'''Wrapper to invoke I{Karney}'s U{RhumbSolve <https://GeographicLib.SourceForge.io/C++/doc/RhumbSolve.1.html>} utility as an (exact) rhumb or rhumb line, but intended I{for testing purposes only}. Set env variable C{PYGEODESY_RHUMBSOLVE} to the (fully qualified) path of the C{RhumbSolve} executable. ''' # from pygeodesy.basics import _xinstanceof # from .karney # from pygeodesy.interns import NN # from .karney from pygeodesy.interns import NAN, NN, _azi12_, _lat2_, _lon2_, _s12_, _S12_, \ _UNDER_, _90_0, _180_0, _N_180_0, _not_ # PYCHOK used! from pygeodesy.karney import GDict, _norm180, _sincos2d, _xinstanceof, wrap360 from pygeodesy.lazily import _ALL_DOCS, _ALL_LAZY, _ALL_MODS as _MODS, _getenv, printf from pygeodesy.namedTuples import Destination3Tuple, Distance3Tuple from pygeodesy.props import deprecated_method, Property, Property_RO from pygeodesy.rhumbx import Caps, RhumbError, Rhumb8Tuple # PYCHOK used! from pygeodesy.solveBase import _LineSolveBase, _SolveBase # from pygeodesy.utily import wrap360 # from .karney __all__ = _ALL_LAZY.rhumbsolve __version__ = '22.06.26' _PYGEODESY_RHUMBSOLVE_ = 'PYGEODESY_RHUMBSOLVE' # PYCHOK used! class _RhumbSolveBase(_SolveBase): '''(INTERNAL) Base class for L{RhumbSolve} and L{RhumbLineSolve}. ''' _Error = RhumbError _Names_Direct = _lat2_, _lon2_, _S12_ _Names_Inverse = _azi12_, _s12_, _S12_ _Solve_path = _getenv(_PYGEODESY_RHUMBSOLVE_, _PYGEODESY_RHUMBSOLVE_) @Property_RO def _cmdBasic(self): '''(INTERNAL) Get the basic C{RhumbSolve} cmd (C{tuple}). ''' return (self.RhumbSolve,) + self._e_option \ + self._p_option \ + self._s_option @Property def RhumbSolve(self): '''Get the U{RhumbSolve<https://GeographicLib.SourceForge.io/C++/doc/RhumbSolve.1.html>} executable (C{filename}). ''' return self._Solve_path @RhumbSolve.setter # PYCHOK setter! def RhumbSolve(self, path): '''Set the U{RhumbSolve<https://GeographicLib.SourceForge.io/C++/doc/RhumbSolve.1.html>} executable (C{filename}), the (fully qualified) path to the C{RhumbSolve} executable. @raise RhumbError: Invalid B{C{path}}, B{C{path}} doesn't exist or isn't the C{RhumbSolve} executable. ''' self._setSolve(path, RhumbSolve=path) @Property_RO def _s_option(self): # == not -E for GeodSolve return () if self.Exact else ('-s', ) def toStr(self, **prec_sep): # PYCHOK signature '''Return this C{RhumbSolve} as string. @kwarg prec_sep: Keyword argumens C{B{prec}=6} and C{B{sep}=', '} for the C{float} C{prec}ision, number of decimal digits (0..9) and the C{sep}arator string to join. Trailing zero decimals are stripped for B{C{prec}} values of 1 and above, but kept for negative B{C{prec}} values. @return: RhumbSolve items (C{str}). ''' return self._toStr(RhumbSolve=self.RhumbSolve, **prec_sep) # @Property_RO # def _u_option(self): # return '-u' if self.unroll else () class RhumbSolve(_RhumbSolveBase): '''Wrapper to invoke I{Karney}'s U{RhumbSolve<https://GeographicLib.SourceForge.io/C++/doc/RhumbSolve.1.html>}, the C{Exact} version of class L{pygeodesy.Rhumb}. @note: Use property C{RhumbSolve} or env variable C{PYGEODESY_RHUMBSOLVE} to specify the (fully qualified) path to the C{RhumbSolve} executable. @note: This C{rhumb} is intended I{for testing purposes only}, it invokes the C{RhumbSolve} executable for I{every} method call. ''' # def Area(self, polyline=False, name=NN): # '''Set up an L{RhumbArea} to compute area and # perimeter of a polygon. # # @kwarg polyline: If C{True} perimeter only, otherwise # area and perimeter (C{bool}). # @kwarg name: Optional name (C{str}). # # @return: A L{RhumbArea} instance. # # @note: The B{C{debug}} setting is passed as C{verbose} # to the returned L{RhumbAreaExact} instance. # ''' # rA = _MODS.rhumbx.RhumbArea(self, polyline=polyline, # name=name or self.name) # if self.verbose or self.debug: # PYCHOK no cover # rA.verbose = True # return rA # Polygon = Area # for C{geographiclib} compatibility def _azimuth_reverse(self, azimuth): '''(INTERNAL) Reverse final azimuth C{azimuth}. ''' z = _norm180(float(azimuth)) if self.reverse2: # like .utils.atan2d z += _180_0 if z < 0 else _N_180_0 return z def Direct3(self, lat1, lon1, azi1, s12): # PYCHOK outmask '''Return the destination lat, lon and reverse azimuth (final bearing) in C{degrees}. @return: L{Destination3Tuple}C{(lat, lon, final)}. ''' r = self._GDictDirect(lat1, lon1, azi1, False, s12, floats=False) z = self._azimuth_reverse(r.azi12) return Destination3Tuple(float(r.lat2), float(r.lon2), wrap360(z), iteration=r._iteration) def _GDictDirect(self, lat, lon, azi1, arcmode, s12_a12, *unused, **floats): '''(INTERNAL) Get C{_GenDirect}-like result as an 8-item C{GDict}. ''' d = _RhumbSolveBase._GDictDirect(self, lat, lon, azi1, arcmode, s12_a12, **floats) r = GDict(lat1=lat, lon1=lon, azi12=azi1, s12=s12_a12) # a12=s12_a12 / self.ellipsoid._L_90 r.update(d) return r def _GDictInverse(self, lat1, lon1, lat2, lon2, *unused, **floats): '''(INTERNAL) Get C{_GenInverse}-like result as an 8-item C{GDict}, but I{without} C{_SALPs_CALPs_}. ''' i = _RhumbSolveBase._GDictInverse(self, lat1, lon1, lat2, lon2, **floats) a = float(i.s12) / self.ellipsoid._L_90 # for .Inverse1 r = GDict(lat1=lat1, lon1=lon1, lat2=lat2, lon2=lon2, a12=a) r.update(i) return r def Inverse3(self, lat1, lon1, lat2, lon2): # PYCHOK outmask '''Return the distance in C{meter} and the forward and reverse azimuths (initial and final bearing) in C{degrees}. @return: L{Distance3Tuple}C{(distance, initial, final)}. ''' r = self._GDictInverse(lat1, lon1, lat2, lon2, floats=False) z = self._azimuth_reverse(r.azi12) return Distance3Tuple(float(r.s12), wrap360(r.azi12), wrap360(z), iteration=r._iteration) def Line(self, lat1, lon1, azi1, caps=Caps.ALL): '''Set up an L{RhumbLineSolve} to compute several points on a single rhumb line. @arg lat1: Latitude of the first point (C{degrees}). @arg lon1: Longitude of the first point (C{degrees}). @arg azi1: Azimuth at the first point (compass C{degrees}). @kwarg caps: Bit-or'ed combination of L{Caps} values specifying the capabilities the L{RhumbLineSolve} instance should possess, always C{Caps.ALL}. @return: A L{RhumbLineSolve} instance. @note: If the point is at a pole, the azimuth is defined by keeping B{C{lon1}} fixed, writing C{B{lat1} = ±(90 − ε)}, and taking the limit C{ε → 0+}. @see: C++ U{RhumbExact.Line <https://GeographicLib.SourceForge.io/C++/doc/classGeographicLib_1_1RhumbExact.html>} and Python U{Rhumb.Line<https://GeographicLib.SourceForge.io/C++/doc/python/code.html>}. ''' return RhumbLineSolve(self, lat1, lon1, azi1, caps=caps, name=self.name) class RhumbLineSolve(_RhumbSolveBase, _LineSolveBase): '''Wrapper to invoke I{Karney}'s U{RhumbSolve<https://GeographicLib.SourceForge.io/C++/doc/RhumbSolve.1.html>}, the C{Exact} version of class L{pygeodesy.RhumbLine}. @note: Use property C{RhumbSolve} or env variable C{PYGEODESY_RHUMBSOLVE} to specify the (fully qualified) path to the C{RhumbSolve} executable. @note: This C{rhumb line} is intended I{for testing purposes only}, it invokes the C{RhumbSolve} executable for I{every} method call. ''' def __init__(self, rhumb, lat1, lon1, azi12, caps=Caps.ALL, name=NN): '''New L{RhumbLineSolve} instance, allowing points to be found along a rhumb starting at C{(B{lat1}, B{lon1})} with azimuth B{C{azi12}}. @arg rhumb: The rhumb to use (L{RhumbSolve}). @arg lat1: Latitude of the first point (C{degrees90}). @arg lon1: Longitude of the first point (C{degrees180}). @arg azi12: Azimuth of the rhumb line (compass C{degrees180}). @kwarg caps: Bit-or'ed combination of L{Caps} values specifying the capabilities the L{RhumbLineSolve} instance should possess, always C{Caps.ALL}. Use C{Caps.LINE_OFF} if updates to the B{C{rhumb}} should I{not} be reflected in this L{RhumbLineSolve} instance. @kwarg name: Optional name (C{str}). @raise RhumbError: Invalid path for C{RhumbSolve} executable or isn't the C{RhumbSolve} executable, see property C{B{rhumb}.RhumbSolve}. @raise TypeError: Invalid B{C{rhumb}}. ''' _xinstanceof(RhumbSolve, rhumb=rhumb) if (caps & Caps.LINE_OFF): # copy to avoid updates rhumb = rhumb.copy(deep=False, name=NN(_UNDER_, rhumb.name)) _LineSolveBase.__init__(self, rhumb, lat1, lon1, caps, name, azi12=azi12) try: self.RhumbSolve = rhumb.RhumbSolve # rhumb or copy of rhumb except RhumbError: pass # def ArcPosition(self, a12, *unused): # '''Find the position on the line given B{C{a12}}. # # @arg a12: Spherical arc length from the first point to the # second point (C{degrees}). # # @return: A C{dict} with 8 items C{lat1, lon1, lat2, lon2, # azi12, a12, s12, S12}. # ''' # s = a12 * self.ellipsoid._L_90 # a = self._GDictInvoke(self._cmdArc, True, self._Names_Direct, s) # r = GDict(a12=a12, s12=s, **self._lla1) # r.updated(a) # return r @Property_RO def azi12(self): '''Get this rhumb line's azimuth (compass C{degrees}). ''' return self._lla1.azi12 azi1 = azi12 # like GeodesicLineSolve @Property_RO def azi12_sincos2(self): # PYCHOK no cover '''Get the sine and cosine of this rhumb line's azimuth (2-tuple C{(sin, cos)}). ''' return _sincos2d(self.azi12) azi1_sincos2 = azi12_sincos2 # @Property_RO # def _cmdArc(self): # '''(INTERNAL) Get the C{RhumbSolve} I{-a -L} cmd (C{tuple}). # ''' # return self._cmdDistance + ('-a',) def Position(self, s12, *unused): '''Find the position on the line given B{C{s12}}. @arg s12: Distance from the first point to the second (C{meter}). @return: A L{GDict} with 7 items C{lat1, lon1, lat2, lon2, azi12, s12, S12}. ''' d = self._GDictInvoke(self._cmdDistance, True, self._Names_Direct, s12) r = GDict(s12=s12, **self._lla1) # a12=s12 / self.ellipsoid._L_90 r.update(d) return r def toStr(self, **prec_sep): # PYCHOK signature '''Return this C{RhumbLineSolve} as string. @kwarg prec_sep: Keyword argumens C{B{prec}=6} and C{B{sep}=', '} for the C{float} C{prec}ision, number of decimal digits (0..9) and the C{sep}arator string to join. Trailing zero decimals are stripped for B{C{prec}} values of 1 and above, but kept for negative B{C{prec}} values. @return: RhumbLineSolve items (C{str}). ''' return _LineSolveBase._toStr(self, azi12=self.azi12, rhumb=self._solve, RhumbSolve=self.RhumbSolve, **prec_sep) class RhumbSolve7Tuple(Rhumb8Tuple): '''7-Tuple C{(lat1, lon1, lat2, lon2, azi12, s12, S12)} with lat- C{lat1}, C{lat2} and longitudes C{lon1}, C{lon2} of both points, the azimuth of the rhumb line C{azi12}, the distance C{s12} and the area C{S12} under the rhumb line between both points. ''' assert Rhumb8Tuple._Names_.index(_MODS.interns._a12_) == 7 _Names_ = Rhumb8Tuple._Names_[:7] # drop a12 _Units_ = Rhumb8Tuple._Units_[:7] @deprecated_method def _to7Tuple(self): # PYCHOK no cover '''DEPRECATED, I{don't use!} ''' return _MODS.deprecated.Rhumb7Tuple(self[:7]) __all__ += _ALL_DOCS(_RhumbSolveBase) if __name__ == '__main__': from sys import argv rS = RhumbSolve(name='Test') rS.verbose = '--verbose' in argv # or '-v' in argv if rS.RhumbSolve in (_PYGEODESY_RHUMBSOLVE_, None): # not set rS.RhumbSolve = '/opt/local/bin/RhumbSolve' # '/opt/local/Cellar/geographiclib/1.51/bin/RhumbSolve' # HomeBrew printf('version: %s', rS.version) r = rS.Direct(40.6, -73.8, 51, 5.5e6) printf('Direct: %r', r, nl=1) printf('Direct3: %r', rS.Direct3(40.6, -73.8, 51, 5.5e6)) printf('Inverse: %r', rS.Inverse( 40.6, -73.8, 51.6, -0.5), nl=1) printf('Inverse1: %r', rS.Inverse1(40.6, -73.8, 51.6, -0.5)) printf('Inverse3: %r', rS.Inverse3(40.6, -73.8, 51.6, -0.5)) printf('Inverse: %r', rS.Inverse( 40.6, -73.8, 35.8, 140.3), nl=1) printf('Inverse1: %r', rS.Inverse1(40.6, -73.8, 35.8, 140.3)) printf('Inverse3: %r', rS.Inverse3(40.6, -73.8, 35.8, 140.3)) rlS = RhumbLineSolve(rS, 40.6, -73.8, 51, name='LineTest') p = rlS.Position(5.5e6) printf('Position: %s %r', p == r, p, nl=1) # p = rlS.ArcPosition(49.475527) # printf('ArcPosition: %s %r', p == r, p) # % python3 -m pygeodesy.rhumbsolve # version: /opt/local/bin/RhumbSolve: GeographicLib version 1.51 # # Direct: GDict(S12=44095641862956.148438, azi12=51, lat1=40.6, lat2=71.6889, lon1=-73.8, lon2=0.25552, s12=5500000.0) # Direct3: Destination3Tuple(lat=71.6889, lon=0.25552, final=51.0) # # Inverse: GDict(S12=37395209100030.367188, a12=51.929543, azi12=77.76839, lat1=40.6, lat2=51.6, lon1=-73.8, lon2=-0.5, s12=5771083.383328) # Inverse1: 51.92954250756195 # Inverse3: Distance3Tuple(distance=5771083.383328, initial=77.76839, final=77.76839) # # Inverse: GDict(S12=-63760642939072.492188, a12=115.02062, azi12=-92.388888, lat1=40.6, lat2=35.8, lon1=-73.8, lon2=140.3, s12=12782581.067684) # Inverse1: 115.02061966879258 # Inverse3: Distance3Tuple(distance=12782581.067684, initial=267.611112, final=267.611112) # # Position: True GDict(S12=44095641862956.148438, azi12=51, lat1=40.6, lat2=71.6889, lon1=-73.8, lon2=0.25552, s12=5500000.0) # % python3 -m pygeodesy.rhumbsolve --verbose # RhumbSolve 'Test' 1: /opt/local/bin/RhumbSolve --version (invoke) # RhumbSolve 'Test' 1: /opt/local/bin/RhumbSolve: GeographicLib version 1.51 (0) # version: /opt/local/bin/RhumbSolve: GeographicLib version 1.51 # RhumbSolve 'Test' 2: /opt/local/bin/RhumbSolve -p 10 \ 40.600000000000001 -73.799999999999997 51.0 5500000.0 (Direct) # RhumbSolve 'Test' 2: lat2=71.688899882813047, lon2=0.255519824423445, S12=44095641862956.148 (0) # Direct: GDict(S12=44095641862956.148438, azi12=51, lat1=40.6, lat2=71.6889, lon1=-73.8, lon2=0.25552, s12=5500000.0) # RhumbSolve 'Test' 3: /opt/local/bin/RhumbSolve -p 10 \ 40.600000000000001 -73.799999999999997 51.0 5500000.0 (Direct3) # RhumbSolve 'Test' 3: lat2=71.688899882813047, lon2=0.255519824423445, S12=44095641862956.148 (0) # Direct3: Destination3Tuple(lat=71.6889, lon=0.25552, final=51.0) # RhumbSolve 'Test' 4: /opt/local/bin/RhumbSolve -p 10 -i \ 40.600000000000001 -73.799999999999997 51.600000000000001 -0.5 (Inverse) # RhumbSolve 'Test' 4: azi12=77.768389710255661, s12=5771083.3833280317, S12=37395209100030.367 (0) # Inverse: GDict(S12=37395209100030.367188, a12=51.929543, azi12=77.76839, lat1=40.6, lat2=51.6, lon1=-73.8, lon2=-0.5, s12=5771083.383328) # RhumbSolve 'Test' 5: /opt/local/bin/RhumbSolve -p 10 -i \ 40.600000000000001 -73.799999999999997 51.600000000000001 -0.5 (Inverse1) # RhumbSolve 'Test' 5: azi12=77.768389710255661, s12=5771083.3833280317, S12=37395209100030.367 (0) # Inverse1: 51.92954250756195 # RhumbSolve 'Test' 6: /opt/local/bin/RhumbSolve -p 10 -i \ 40.600000000000001 -73.799999999999997 51.600000000000001 -0.5 (Inverse3) # RhumbSolve 'Test' 6: azi12=77.768389710255661, s12=5771083.3833280317, S12=37395209100030.367 (0) # Inverse3: Distance3Tuple(distance=5771083.383328, initial=77.76839, final=77.76839) # RhumbSolve 'Test' 7: /opt/local/bin/RhumbSolve -p 10 -i \ 40.600000000000001 -73.799999999999997 35.799999999999997 140.300000000000011 (Inverse) # RhumbSolve 'Test' 7: azi12=-92.388887981699639, s12=12782581.0676841792, S12=-63760642939072.492 (0) # Inverse: GDict(S12=-63760642939072.492188, a12=115.02062, azi12=-92.388888, lat1=40.6, lat2=35.8, lon1=-73.8, lon2=140.3, s12=12782581.067684) # RhumbSolve 'Test' 8: /opt/local/bin/RhumbSolve -p 10 -i \ 40.600000000000001 -73.799999999999997 35.799999999999997 140.300000000000011 (Inverse1) # RhumbSolve 'Test' 8: azi12=-92.388887981699639, s12=12782581.0676841792, S12=-63760642939072.492 (0) # Inverse1: 115.02061966879258 # RhumbSolve 'Test' 9: /opt/local/bin/RhumbSolve -p 10 -i \ 40.600000000000001 -73.799999999999997 35.799999999999997 140.300000000000011 (Inverse3) # RhumbSolve 'Test' 9: azi12=-92.388887981699639, s12=12782581.0676841792, S12=-63760642939072.492 (0) # Inverse3: Distance3Tuple(distance=12782581.067684, initial=267.611112, final=267.611112) # Position: True GDict(S12=44095641862956.148438, azi12=51, lat1=40.6, lat2=71.6889, lon1=-73.8, lon2=0.25552, s12=5500000.0) # **) MIT License # # Copyright (C) 2022-2022 -- 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.