# Coverage for pygeodesy/utmupsBase.py : 94%

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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 | # -*- coding: utf-8 -*- u'''(INTERNAL) Base class C{UtmUpsBase} and private functions for the UTM, UPS, Mgrs and Epsg classes/modules. ''' from pygeodesy.basics import isint, isscalar, isstr, map1, neg_, property_RO, \ _xinstanceof, _xsubclassof from pygeodesy.datums import Datums, _ellipsoidal_datum from pygeodesy.dms import degDMS, parseDMS2 from pygeodesy.ellipsoidalBase import LatLonEllipsoidalBase as _LLEB from pygeodesy.errors import ParseError, _parseX, _ValueError, _xkwds from pygeodesy.interns import NN, _COMMA_, _float, _invalid_, \ _N_, _n_a_, _NS_, _PLUS_, _SPACE_, \ _0_0, _0_5, _180_0 from pygeodesy.lazily import _ALL_DOCS from pygeodesy.named import _NamedBase, nameof, \ notOverloaded, _xnamed from pygeodesy.namedTuples import EasNor2Tuple, LatLonDatum5Tuple from pygeodesy.streprs import Fmt, fstr, _fstrENH2, _xattrs, _xzipairs from pygeodesy.units import Band, Easting, Northing, Scalar, Zone from pygeodesy.utily import wrap90, wrap360 __all__ = () __version__ = '20.11.04' _MGRS_TILE = 100e3 # PYCHOK block size (C{meter}) _UTM_LAT_MAX = _float( 84) # PYCHOK for export (C{degrees}) _UTM_LAT_MIN = _float(-80) # PYCHOK for export (C{degrees}) _UPS_LAT_MAX = _UTM_LAT_MAX - _0_5 # PYCHOK includes 30' UTM overlap _UPS_LAT_MIN = _UTM_LAT_MIN + _0_5 # PYCHOK includes 30' UTM overlap _UTM_ZONE_MAX = 60 # PYCHOK for export _UTM_ZONE_MIN = 1 # PYCHOK for export _UTM_ZONE_OFF_MAX = 60 # PYCHOK max Central meridian offset (C{degrees}) _UPS_ZONE = _UTM_ZONE_MIN - 1 # PYCHOK for export _UPS_ZONE_STR = Fmt.zone(_UPS_ZONE) # PYCHOK for export _UTMUPS_ZONE_INVALID = -4 # PYCHOK for export too _UTMUPS_ZONE_MAX = _UTM_ZONE_MAX # PYCHOK for export too, by .units.py _UTMUPS_ZONE_MIN = _UPS_ZONE # PYCHOK for export too, by .units.py # _MAX_PSEUDO_ZONE = -1 # _MIN_PSEUDO_ZONE = -4 # _UTMUPS_ZONE_MATCH = -3 # _UTMUPS_ZONE_STANDARD = -1 # _UTM = -2 def _hemi(lat): # imported by .ups, .utm '''Return the hemisphere letter. @arg lat: Latitude (C{degrees} or C{radians}). @return: C{'N'|'S'} for north-/southern hemisphere. ''' return _NS_[int(lat < 0)] def _to4lldn(latlon, lon, datum, name): '''(INTERNAL) Return 4-tuple (C{lat, lon, datum, name}). ''' try: # if lon is not None: # raise AttributeError lat, lon = map1(float, latlon.lat, latlon.lon) _xinstanceof(_LLEB, LatLonDatum5Tuple, latlon=latlon) d = datum or latlon.datum except AttributeError: lat, lon = parseDMS2(latlon, lon) d = datum or Datums.WGS84 return lat, lon, d, (name or nameof(latlon)) def _to3zBhp(zone, band, hemipole=NN, Error=_ValueError): # imported by .epsg, .ups, .utm, .utmups '''Parse UTM/UPS zone, Band letter and hemisphere/pole letter. @arg zone: Zone with/-out Band (C{scalar} or C{str}). @kwarg band: Optional (longitudinal/polar) Band letter (C{str}). @kwarg hemipole: Optional hemisphere/pole letter (C{str}). @kwarg Error: Optional error to raise, overriding the default C{ValueError}. @return: 3-Tuple (C{zone, Band, hemisphere/pole}) as (C{int, str, 'N'|'S'}) where C{zone} is C{0} for UPS or C{1..60} for UTM and C{Band} is C{'A'..'Z'} I{NOT} checked for valid UTM/UPS bands. @raise ValueError: Invalid B{C{zone}}, B{C{band}} or B{C{hemipole}}. ''' try: B, z = band, _UTMUPS_ZONE_INVALID if isscalar(zone): z = int(zone) elif zone and isstr(zone): if zone.isdigit(): z = int(zone) elif len(zone) > 1: B = zone[-1:] z = int(zone[:-1]) elif zone in 'AaBbYyZz': # single letter B = zone z = _UPS_ZONE if _UTMUPS_ZONE_MIN <= z <= _UTMUPS_ZONE_MAX: hp = hemipole[:1].upper() if hp in _NS_ or not hp: z = Zone(z) B = Band(B.upper()) if B.isalpha(): return z, B, (hp or _NS_[B < _N_]) elif not B: return z, B, hp t = _invalid_ except (AttributeError, IndexError, TypeError, ValueError) as x: t = str(x) # no Python 3+ exception chaining raise Error(zone=zone, band=B, hemipole=hemipole, txt=t) def _to3zll(lat, lon): # imported by .ups, .utm '''Wrap lat- and longitude and determine UTM zone. @arg lat: Latitude (C{degrees}). @arg lon: Longitude (C{degrees}). @return: 3-Tuple (C{zone, lat, lon}) as (C{int}, C{degrees90}, C{degrees180}) where C{zone} is C{1..60} for UTM. ''' x = wrap360(lon + _180_0) # use wrap360 to get ... z = int(x) // 6 + 1 # ... longitudinal UTM zone [1, 60] and ... lon = x - _180_0 # ... lon [-180, 180) i.e. -180 <= lon < 180 return Zone(z), wrap90(lat), lon class UtmUpsBase(_NamedBase): '''(INTERNAL) Base class for L{Utm} and L{Ups} coordinates. ''' _band = NN # latitude band letter ('A..Z') _convergence = None # meridian conversion (C{degrees}) _datum = Datums.WGS84 # L{Datum} _easting = _0_0 # Easting, see B{C{falsed}} (C{meter}) _Error = None # I{Must be overloaded} _epsg = None # toEpsg cache (L{Epsg}) _falsed = True # falsed easting and northing (C{bool}) _hemisphere = NN # hemisphere ('N' or 'S'), different from pole _latlon = None # toLatLon cache (C{LatLon}) _latlon_args = None # toLatLon args (varies) _mgrs = None # toMgrs cache (L{Mgrs} _northing = _0_0 # Northing, see B{C{falsed}} (C{meter}) _scale = None # grid scale factor (C{scalar}) or C{None} # _scale0 = _K0 # central scale factor (C{scalar}) _ups = None # toUps cache (L{Ups}) _utm = None # toUtm cache (L{Utm}) def __init__(self, easting, northing, band=NN, datum=None, falsed=True, convergence=None, scale=None): '''(INTERNAL) New L{UtmUpsBase}. ''' E = self._Error if not E: notOverloaded(self, '_Error') self._easting = Easting(easting, Error=E) self._northing = Northing(northing, Error=E) if band: _xinstanceof(str, band=band) self._band = band if datum not in (None, self._datum): self._datum = _ellipsoidal_datum(datum) # XXX name=band if not falsed: self._falsed = False if convergence is not self._convergence: self._convergence = Scalar(convergence=convergence, Error=E) if scale is not self._scale: self._scale = Scalar(scale=scale, Error=E) def __repr__(self): return self.toRepr(B=True) def __str__(self): return self.toStr() @property_RO def convergence(self): '''Get the meridian convergence (C{degrees}) or C{None}. ''' return self._convergence @property_RO def datum(self): '''Get the datum (L{Datum}). ''' return self._datum @property_RO def easting(self): '''Get the easting (C{meter}). ''' return self._easting @property_RO def eastingnorthing(self): '''Get easting and northing (L{EasNor2Tuple}C{(easting, northing)}) in C{meter}s. ''' return EasNor2Tuple(self.easting, self.northing) def eastingnorthing2(self, falsed=True): '''Return easting and northing, falsed or unfalsed. @kwarg falsed: Return easting and northing falsed (C{bool}), otherwise unfalsed. @return: An L{EasNor2Tuple}C{(easting, northing)} in C{meter}s. ''' e, n = self.falsed2 if self.falsed and not falsed: e, n = neg_(e, n) elif falsed and not self.falsed: pass else: e = n = _0_0 return EasNor2Tuple(Easting( e + self.easting, Error=self._Error), Northing(n + self.northing, Error=self._Error)) @property_RO def falsed(self): '''Get easting and northing falsed (C{bool}). ''' return self._falsed @property_RO def falsed2(self): # PYCHOK no cover '''(INTERNAL) I{Must be overloaded}. ''' notOverloaded(self, self.falsed2) @property_RO def hemisphere(self): '''Get the hemisphere (C{str}, 'N'|'S'). ''' return self._hemisphere def _latlon5(self, LatLon, **LatLon_kwds): '''(INTERNAL) Convert cached LatLon ''' ll = self._latlon if LatLon is None: r = LatLonDatum5Tuple(ll.lat, ll.lon, ll.datum, ll.convergence, ll.scale) else: _xsubclassof(_LLEB, LatLon=LatLon) kwds = _xkwds(LatLon_kwds, datum=ll.datum) r = _xattrs(LatLon(ll.lat, ll.lon, **kwds), ll, '_convergence', '_scale') return _xnamed(r, ll.name) @property_RO def northing(self): '''Get the northing (C{meter}). ''' return self._northing @property_RO def scale(self): '''Get the grid scale (C{float}) or C{None}. ''' return self._scale @property_RO def scale0(self): '''Get the central scale factor (C{float}). ''' return self._scale0 def to2en(self, falsed=True): # PYCHOK no cover '''DEPRECATED, use method C{eastingnorthing2}. @return: An L{EasNor2Tuple}C{(easting, northing)}. ''' return self.eastingnorthing2(falsed=falsed) def toEpsg(self): '''Determine the B{EPSG (European Petroleum Survey Group)} code. @return: C{EPSG} code (C{int}). @raise EPSGError: See L{Epsg}. ''' if self._epsg is None: from pygeodesy.epsg import Epsg # PYCHOK circular import self._epsg = Epsg(self) return self._epsg def _toRepr(self, fmt, B, cs, prec, sep): # PYCHOK expected '''(INTERNAL) Return a representation for this ETM/UTM/UPS coordinate. ''' t = self.toStr(prec=prec, sep=None, B=B, cs=cs) # hemipole T = 'ZHENCS'[:len(t)] return _xzipairs(T, t, sep=sep, fmt=fmt) def _toStr(self, hemipole, B, cs, prec, sep): '''(INTERNAL) Return a string for this ETM/UTM/UPS coordinate. ''' z = NN(Fmt.zone(self.zone), (self.band if B else NN)) # PYCHOK band t = (z, hemipole) + _fstrENH2(self, prec, None)[0] if cs: prec = cs if isint(cs) else 8 # for backward compatibility t += (_n_a_ if self.convergence is None else degDMS(self.convergence, prec=prec, pos=_PLUS_), _n_a_ if self.scale is None else fstr(self.scale, prec=prec)) return t if sep is None else sep.join(t) def _parseUTMUPS5(strUTMUPS, UPS, Error=ParseError, band=NN, sep=_COMMA_): '''(INTERNAL) Parse a string representing a UTM or UPS coordinate consisting of C{"zone[band] hemisphere/pole easting northing"}. @arg strUTMUPS: A UTM or UPS coordinate (C{str}). @kwarg band: Optional, default Band letter (C{str}). @kwarg sep: Optional, separator to split (","). @return: 5-Tuple (C{zone, hemisphere/pole, easting, northing, band}). @raise ParseError: Invalid B{C{strUTMUPS}}. ''' def _UTMUPS5_(strUTMUPS, UPS, band, sep): u = strUTMUPS.lstrip() if UPS and not u.startswith(_UPS_ZONE_STR): raise ValueError u = u.replace(sep, _SPACE_).strip().split() if len(u) < 4: raise ValueError z, h = u[:2] if h[:1].upper() not in _NS_: raise ValueError if z.isdigit(): z, B = int(z), band else: for i in range(len(z)): if not z[i].isdigit(): # int('') raises ValueError z, B = int(z[:i]), z[i:] break else: raise ValueError e, n = map(float, u[2:4]) return z, h.upper(), e, n, B.upper() return _parseX(_UTMUPS5_, strUTMUPS, UPS, band, sep, strUTMUPS=strUTMUPS, Error=Error) __all__ += _ALL_DOCS(UtmUpsBase) # **) MIT License # # Copyright (C) 2016-2021 -- 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.