# Coverage for pygeodesy/geodsolve.py : 94%

## 78 statements 73 run 5 missing 22 excluded

Hot-keys on this page

r m x p toggle line displays

j k next/prev highlighted chunk

0 (zero) top of page

1 (one) first highlighted chunk

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 | # -*- coding: utf-8 -*- u'''Wrapper to invoke I{Karney}'s U{GeodSolve <https://GeographicLib.SourceForge.io/C++/doc/GeodSolve.1.html>} utility as an (exact) geodesic, but intended I{for testing purposes only}. Set env variable C{PYGEODESY_GEODSOLVE} to the (fully qualified) path of the C{GeodSolve} executable. ''' # from pygeodesy.basics import _xinstanceof # from .karney from pygeodesy.interns import NN, _a12_, _azi1_, _azi2_, \ _lat1_, _lat2_, _lon1_, _lon2_, _m12_, \ _M12_, _M21_, _s12_, _S12_, _UNDER_ from pygeodesy.interns import _not_ # PYCHOK used! from pygeodesy.karney import _Azi, Caps, _Deg, GeodesicError, _GTuple, \ _Pass, _Lat, _Lon, _M, _M2, _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 Property, Property_RO from pygeodesy.solveBase import _LineSolveBase, _SolveBase # from pygeodesy.utily import wrap360 # from .karney __all__ = _ALL_LAZY.geodsolve __version__ = '22.10.11' _PYGEODESY_GEODSOLVE_ = 'PYGEODESY_GEODSOLVE' # PYCHOK used! class GeodSolve12Tuple(_GTuple): '''12-Tuple C{(lat1, lon1, azi1, lat2, lon2, azi2, s12, a12, m12, M12, M21, S12)} with angles C{lat1}, C{lon1}, C{azi1}, C{lat2}, C{lon2} and C{azi2} and arc C{a12} all in C{degrees}, initial C{azi1} and final C{azi2} forward azimuths, distance C{s12} and reduced length C{m12} in C{meter}, area C{S12} in C{meter} I{squared} and geodesic scale factors C{M12} and C{M21}, both C{scalar}, see U{GeodSolve <https://GeographicLib.SourceForge.io/C++/doc/GeodSolve.1.html>}. ''' # from GeodSolve --help option -f ... lat1 lon1 azi1 lat2 lon2 azi2 s12 a12 m12 M12 M21 S12 _Names_ = (_lat1_, _lon1_, _azi1_, _lat2_, _lon2_, _azi2_, _s12_, _a12_, _m12_, _M12_, _M21_, _S12_) _Units_ = (_Lat, _Lon, _Azi, _Lat, _Lon, _Azi, _M, _Deg, _Pass, _Pass, _Pass, _M2) class _GeodesicSolveBase(_SolveBase): '''(INTERNAL) Base class for L{GeodesicSolve} and L{GeodesicLineSolve}. ''' _Error = GeodesicError _Names_Direct = \ _Names_Inverse = GeodSolve12Tuple._Names_ _Solve_name = 'GeodSolve' _Solve_path = _getenv(_PYGEODESY_GEODSOLVE_, _PYGEODESY_GEODSOLVE_) @Property_RO def _b_option(self): return ('-b',) if self.reverse2 else () @Property_RO def _cmdBasic(self): '''(INTERNAL) Get the basic C{GeodSolve} cmd (C{tuple}). ''' return (self.GeodSolve,) + self._b_option \ + self._e_option \ + self._E_option \ + self._p_option \ + self._u_option + ('-f',) @Property_RO def _E_option(self): return ('-E',) if self.Exact else () @Property def GeodSolve(self): '''Get the U{GeodSolve<https://GeographicLib.SourceForge.io/C++/doc/GeodSolve.1.html>} executable (C{filename}). ''' return self._Solve_path @GeodSolve.setter # PYCHOK setter! def GeodSolve(self, path): '''Set the U{GeodSolve<https://GeographicLib.SourceForge.io/C++/doc/GeodSolve.1.html>} executable (C{filename}), the (fully qualified) path to the C{GeodSolve} executable. @raise GeodesicError: Invalid B{C{path}}, B{C{path}} doesn't exist or isn't the C{GeodSolve} executable. ''' self._setSolve(path) def toStr(self, **prec_sep): # PYCHOK signature '''Return this C{GeodesicSolve} 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: GeodesicSolve items (C{str}). ''' return _SolveBase._toStr(self, GeodSolve=self.GeodSolve, **prec_sep) @Property_RO def _u_option(self): return ('-u',) if self.unroll else () class GeodesicSolve(_GeodesicSolveBase): '''Wrapper to invoke I{Karney}'s U{GeodSolve<https://GeographicLib.SourceForge.io/C++/doc/GeodSolve.1.html>} as an C{Exact} version of I{Karney}'s Python class U{Geodesic<https://GeographicLib.SourceForge.io/C++/doc/ python/code.html#geographiclib.geodesic.Geodesic>}. @note: Use property C{GeodSolve} or env variable C{PYGEODESY_GEODSOLVE} to specify the (fully qualified) path to the C{GeodSolve} executable. @note: This C{geodesic} is intended I{for testing purposes only}, it invokes the C{GeodSolve} executable for I{every} method call. ''' def Area(self, polyline=False, name=NN): '''Set up a L{GeodesicAreaExact} 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{GeodesicAreaExact} instance. @note: The B{C{debug}} setting is passed as C{verbose} to the returned L{GeodesicAreaExact} instance. ''' gaX = _MODS.geodesicx.GeodesicAreaExact(self, polyline=polyline, name=name or self.name) if self.verbose or self.debug: # PYCHOK no cover gaX.verbose = True return gaX Polygon = Area # for C{geographiclib} compatibility 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) return Destination3Tuple(float(r.lat2), float(r.lon2), wrap360(r.azi2), iteration=r._iteration) 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) return Distance3Tuple(float(r.s12), wrap360(r.azi1), wrap360(r.azi2), iteration=r._iteration) def Line(self, lat1, lon1, azi1, caps=Caps.ALL): '''Set up a L{GeodesicLineSolve} to compute several points on a single geodesic. @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{GeodesicLineSolve} instance should possess, always C{Caps.ALL}. @return: A L{GeodesicLineSolve} 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{GeodesicExact.Line <https://GeographicLib.SourceForge.io/C++/doc/classGeographicLib_1_1GeodesicExact.html>} and Python U{Geodesic.Line<https://GeographicLib.SourceForge.io/C++/doc/python/code.html>}. ''' return GeodesicLineSolve(self, lat1, lon1, azi1, caps=caps, name=self.name) class GeodesicLineSolve(_GeodesicSolveBase, _LineSolveBase): '''Wrapper to invoke I{Karney}'s U{GeodSolve<https://GeographicLib.SourceForge.io/C++/doc/GeodSolve.1.html>} as an C{Exact} version of I{Karney}'s Python class U{GeodesicLine<https://GeographicLib.SourceForge.io/C++/doc/ python/code.html#geographiclib.geodesicline.GeodesicLine>}. @note: Use property C{GeodSolve} or env variable C{PYGEODESY_GEODSOLVE} to specify the (fully qualified) path to the C{GeodSolve} executable. @note: This C{geodesic} is intended I{for testing purposes only}, it invokes the C{GeodSolve} executable for I{every} method call. ''' def __init__(self, geodesic, lat1, lon1, azi1, caps=Caps.ALL, name=NN): '''New L{GeodesicLineSolve} instance, allowing points to be found along a geodesic starting at C{(B{lat1}, B{lon1})} with azimuth B{C{azi1}}. @arg geodesic: The geodesic to use (L{GeodesicSolve}). @arg lat1: Latitude of the first point (C{degrees}). @arg lon1: Longitude of the first point (C{degrees}). @arg azi1: Azimuth at the first points (compass C{degrees}). @kwarg caps: Bit-or'ed combination of L{Caps} values specifying the capabilities the L{GeodesicLineSolve} instance should possess, always C{Caps.ALL}. Use C{Caps.LINE_OFF} if updates to the B{C{geodesic}} should I{not} be reflected in this L{GeodesicLineSolve} instance. @kwarg name: Optional name (C{str}). @raise GeodesicError: Invalid path for the C{GeodSolve} executable or or isn't the C{GeodSolve} executable, see property C{geodesic.GeodSolve}. @raise TypeError: Invalid B{C{geodesic}}. ''' _xinstanceof(GeodesicSolve, geodesic=geodesic) if (caps & Caps.LINE_OFF): # copy to avoid updates geodesic = geodesic.copy(deep=False, name=NN(_UNDER_, geodesic.name)) _LineSolveBase.__init__(self, geodesic, lat1, lon1, caps, name, azi1=azi1) try: self.GeodSolve = geodesic.GeodSolve # geodesic or copy of geodesic except GeodesicError: 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{GDict} with 12 items C{lat1, lon1, azi1, lat2, lon2, azi2, m12, a12, s12, M12, M21, S12}. ''' return self._GDictInvoke(self._cmdArc, True, self._Names_Direct, a12) @Property_RO def azi1(self): '''Get the azimuth at the first point (compass C{degrees}). ''' return self._lla1.azi1 azi12 = azi1 # like RhumbLineSolve @Property_RO def azi1_sincos2(self): '''Get the sine and cosine of the first point's azimuth (2-tuple C{(sin, cos)}). ''' return _sincos2d(self.azi1) azi12_sincos2 = azi1_sincos2 @Property_RO def _cmdArc(self): '''(INTERNAL) Get the C{GeodSolve} 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 C{GDict} with 12 items C{lat1, lon1, azi1, lat2, lon2, azi2, m12, a12, s12, M12, M21, S12}, possibly C{a12=NAN}. ''' return self._GDictInvoke(self._cmdDistance, True, self._Names_Direct, s12) def toStr(self, **prec_sep): # PYCHOK signature '''Return this C{GeodesicLineSolve} 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: GeodesicLineSolve items (C{str}). ''' return _LineSolveBase._toStr(self, azi1=self.azi1, geodesic=self._solve, GeodSolve=self.GeodSolve, **prec_sep) __all__ += _ALL_DOCS(_GeodesicSolveBase) if __name__ == '__main__': from sys import argv gS = GeodesicSolve(name='Test') gS.verbose = '--verbose' in argv # or '-v' in argv if gS.GeodSolve in (_PYGEODESY_GEODSOLVE_, None): # not set gS.GeodSolve = '/opt/local/bin/GeodSolve' # '/opt/local/Cellar/geographiclib/1.51/bin/GeodSolve' # HomeBrew printf('version: %s', gS.version) r = gS.Direct(40.6, -73.8, 51, 5.5e6) printf('Direct: %r', r, nl=1) printf('Direct3: %r', gS.Direct3(40.6, -73.8, 51, 5.5e6)) printf('Inverse: %r', gS.Inverse( 40.6, -73.8, 51.6, -0.5), nl=1) printf('Inverse1: %r', gS.Inverse1(40.6, -73.8, 51.6, -0.5)) printf('Inverse3: %r', gS.Inverse3(40.6, -73.8, 51.6, -0.5)) glS = GeodesicLineSolve(gS, 40.6, -73.8, 51, name='LineTest') p = glS.Position(5.5e6) printf('Position: %s %r', p == r, p, nl=1) p = glS.ArcPosition(49.475527) printf('ArcPosition: %s %r', p == r, p) # % python3 -m pygeodesy.geodsolve # version: /opt/local/bin/GeodSolve: GeographicLib version 1.51 # version: /opt/local/bin/GeodSolve: GeographicLib version 1.51 # Direct: GDict(M12=0.650911, M21=0.651229, S12=39735075134877.09375, a12=49.475527, azi1=51.0, azi2=107.189397, lat1=40.6, lat2=51.884565, lon1=-73.8, lon2=-1.141173, m12=4844148.703101, s12=5500000.0) # Direct3: Destination3Tuple(lat=51.884565, lon=-1.141173, final=107.189397) # Inverse: GDict(M12=0.64473, M21=0.645046, S12=40041368848742.53125, a12=49.94131, azi1=51.198883, azi2=107.821777, lat1=40.6, lat2=51.6, lon1=-73.8, lon2=-0.5, m12=4877684.602706, s12=5551759.400319) # Inverse1: 49.94131021789904 # Inverse3: Distance3Tuple(distance=5551759.400319, initial=51.198883, final=107.821777) # Position: True GDict(M12=0.650911, M21=0.651229, S12=39735075134877.09375, a12=49.475527, azi1=51.0, azi2=107.189397, lat1=40.6, lat2=51.884565, lon1=-73.8, lon2=-1.141173, m12=4844148.703101, s12=5500000.0) # ArcPosition: False GDict(M12=0.650911, M21=0.651229, S12=39735074737272.734375, a12=49.475527, azi1=51.0, azi2=107.189397, lat1=40.6, lat2=51.884565, lon1=-73.8, lon2=-1.141174, m12=4844148.669561, s12=5499999.948497) # % python3 -m pygeodesy.geodsolve --verbose # GeodesicSolve 'Test' 1: /opt/local/bin/GeodSolve --version (invoke) # GeodesicSolve 'Test' 1: /opt/local/bin/GeodSolve: GeographicLib version 1.51 (0) # version: /opt/local/bin/GeodSolve: GeographicLib version 1.51 # GeodesicSolve 'Test' 2: /opt/local/bin/GeodSolve -E -p 10 -f \ 40.600000000000001 -73.799999999999997 51.0 5500000.0 (Direct) # GeodesicSolve 'Test' 2: lat1=40.600000000000001, lon1=-73.799999999999997, azi1=51.0, lat2=51.884564505606761, lon2=-1.141172861200829, azi2=107.189397162605886, s12=5500000.0, a12=49.475527463251467, m12=4844148.703101486, M12=0.65091056699808603, M21=0.65122865892196558, S12=39735075134877.094 (0) # Direct: GDict(M12=0.650911, M21=0.651229, S12=39735075134877.09375, a12=49.475527, azi1=51.0, azi2=107.189397, lat1=40.6, lat2=51.884565, lon1=-73.8, lon2=-1.141173, m12=4844148.703101, s12=5500000.0) # GeodesicSolve 'Test' 3: /opt/local/bin/GeodSolve -E -p 10 -f \ 40.600000000000001 -73.799999999999997 51.0 5500000.0 (Direct3) # GeodesicSolve 'Test' 3: lat1=40.600000000000001, lon1=-73.799999999999997, azi1=51.0, lat2=51.884564505606761, lon2=-1.141172861200829, azi2=107.189397162605886, s12=5500000.0, a12=49.475527463251467, m12=4844148.703101486, M12=0.65091056699808603, M21=0.65122865892196558, S12=39735075134877.094 (0) # Direct3: Destination3Tuple(lat=51.884565, lon=-1.141173, final=107.189397) # GeodesicSolve 'Test' 4: /opt/local/bin/GeodSolve -E -p 10 -f -i \ 40.600000000000001 -73.799999999999997 51.600000000000001 -0.5 (Inverse) # GeodesicSolve 'Test' 4: lat1=40.600000000000001, lon1=-73.799999999999997, azi1=51.198882845579824, lat2=51.600000000000001, lon2=-0.5, azi2=107.821776735514248, s12=5551759.4003186841, a12=49.941310217899037, m12=4877684.6027061976, M12=0.64472969205948238, M21=0.64504567852134398, S12=40041368848742.531 (0) # Inverse: GDict(M12=0.64473, M21=0.645046, S12=40041368848742.53125, a12=49.94131, azi1=51.198883, azi2=107.821777, lat1=40.6, lat2=51.6, lon1=-73.8, lon2=-0.5, m12=4877684.602706, s12=5551759.400319) # GeodesicSolve 'Test' 5: /opt/local/bin/GeodSolve -E -p 10 -f -i \ 40.600000000000001 -73.799999999999997 51.600000000000001 -0.5 (Inverse1) # GeodesicSolve 'Test' 5: lat1=40.600000000000001, lon1=-73.799999999999997, azi1=51.198882845579824, lat2=51.600000000000001, lon2=-0.5, azi2=107.821776735514248, s12=5551759.4003186841, a12=49.941310217899037, m12=4877684.6027061976, M12=0.64472969205948238, M21=0.64504567852134398, S12=40041368848742.531 (0) # Inverse1: 49.94131021789904 # GeodesicSolve 'Test' 6: /opt/local/bin/GeodSolve -E -p 10 -f -i \ 40.600000000000001 -73.799999999999997 51.600000000000001 -0.5 (Inverse3) # GeodesicSolve 'Test' 6: lat1=40.600000000000001, lon1=-73.799999999999997, azi1=51.198882845579824, lat2=51.600000000000001, lon2=-0.5, azi2=107.821776735514248, s12=5551759.4003186841, a12=49.941310217899037, m12=4877684.6027061976, M12=0.64472969205948238, M21=0.64504567852134398, S12=40041368848742.531 (0) # Inverse3: Distance3Tuple(distance=5551759.400319, initial=51.198883, final=107.821777) # Position: True GDict(M12=0.650911, M21=0.651229, S12=39735075134877.09375, a12=49.475527, azi1=51.0, azi2=107.189397, lat1=40.6, lat2=51.884565, lon1=-73.8, lon2=-1.141173, m12=4844148.703101, s12=5500000.0) # ArcPosition: False GDict(M12=0.650911, M21=0.651229, S12=39735074737272.734375, a12=49.475527, azi1=51.0, azi2=107.189397, lat1=40.6, lat2=51.884565, lon1=-73.8, lon2=-1.141174, m12=4844148.669561, s12=5499999.948497) # **) 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.