# Coverage for pygeodesy/utmupsBase.py : 95%

## 127 statements 121 run 6 missing 6 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 | # -*- coding: utf-8 -*- u'''(INTERNAL) Base class C{UtmUpsBase} and private functions for the UTM, UPS, Mgrs and Epsg classes/modules. ''' from pygeodesy.ellipsoidalBase import LatLonEllipsoidalBase as _LLEB from pygeodesy.datum import Datums from pygeodesy.dms import degDMS, parseDMS2 from pygeodesy.fmath import fStr, isscalar, _IsNotError from pygeodesy.lazily import _ALL_DOCS from pygeodesy.named import EasNor2Tuple, LatLonDatum5Tuple, \ _NamedBase, nameof, _xattrs, _xnamed from pygeodesy.utily import issubclassof, property_RO, _Strs, \ _TypeError, wrap90, wrap360 __all__ = _ALL_DOCS('UtmUpsBase') __version__ = '20.02.22' _MGRS_TILE = 100e3 # PYCHOK block size (C{meter}) _UTM_LAT_MAX = 84 # PYCHOK for export (C{degrees}) _UTM_LAT_MIN = -80 # PYCHOK for export (C{degrees}) _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_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 _UPS_ZONE = _UTM_ZONE_MIN - 1 # PYCHOK for export _UPS_ZONE_STR = '%02d' % (_UPS_ZONE,) # PYCHOK for export _UTMUPS_ZONE_INVALID = -4 # PYCHOK for export too _UTMUPS_ZONE_MIN = _UPS_ZONE # PYCHOK for export too _UTMUPS_ZONE_MAX = _UTM_ZONE_MAX # PYCHOK for export too # _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. @param lat: Latitude (C{degrees} or C{radians}). @return: C{'N'|'S'} for north-/southern hemisphere. ''' return 'S' if lat < 0 else 'N' 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 = latlon.lat, latlon.lon _TypeError(_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=''): # imported by .epsg, .ups, .utm, .utmups '''Parse UTM/UPS zone, Band letter and hemisphere/pole letter. @param zone: Zone with/-out Band (C{scalar} or C{str}). @keyword band: Optional (longitudinal/polar) Band letter (C{str}). @keyword hemipole: Optional hemisphere/pole letter (C{str}). @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}}. ''' B = band try: z = _UTMUPS_ZONE_INVALID if isscalar(zone) or zone.isdigit(): z = int(zone) elif zone and isinstance(zone, _Strs): if 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 ('N', 'S') or not hp: B = B.upper() if B.isalpha(): return z, B, (hp or ('S' if B < 'N' else 'N')) elif not B: return z, B, hp except (AttributeError, TypeError, ValueError): pass raise ValueError('%s, %s or %s invalid: %r' % ('zone', 'band', 'hemipole', (zone, B, hemipole))) def _to3zll(lat, lon): # imported by .ups, .utm '''Wrap lat- and longitude and determine UTM zone. @param lat: Latitude (C{degrees}). @param 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) # use wrap360 to get ... z = int(x) // 6 + 1 # ... longitudinal UTM zone [1, 60] and ... lon = x - 180 # ... lon [-180, 180) i.e. -180 <= lon < 180 return z, wrap90(lat), lon class UtmUpsBase(_NamedBase): '''(INTERNAL) Base class for L{Utm} and L{Ups} coordinates. ''' _band = '' #: (INTERNAL) Latitude band letter ('A..Z'). _convergence = None #: (INTERNAL) Meridian conversion (C{degrees}). _datum = Datums.WGS84 #: (INTERNAL) L{Datum}. _easting = 0 #: (INTERNAL) Easting, see B{C{falsed}} (C{meter}). _epsg = None #: (INTERNAL) toEpsg cache (L{Epsg}). _falsed = True #: (INTERNAL) Falsed easting and northing (C{bool}). _hemisphere = '' #: (INTERNAL) Hemisphere ('N' or 'S'), different from pole. _latlon = None #: (INTERNAL) toLatLon cache (C{LatLon}). _latlon_args = None #: (INTERNAL) toLatLon args (varies). _mgrs = None #: (INTERNAL) toMgrs cache (L{Mgrs}. _northing = 0 #: (INTERNAL) Northing, see B{C{falsed}} (C{meter}). _scale = None #: (INTERNAL) Grid scale factor (C{scalar}) or C{None}. # _scale0 = _K0 #: (INTERNAL) Central scale factor (C{scalar}). _ups = None #: (INTERNAL) toUps cache (L{Ups}). _utm = None #: (INTERNAL) toUtm cache (L{Utm}). def __repr__(self): return self.toStr2(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 def to2en(self, falsed=True): '''Return easting and northing, falsed or unfalsed. @keyword falsed: Return easting and northing falsed (C{bool}), otherwise unfalsed. @return: An L{EasNor2Tuple}C{(easting, northing)}. ''' e, n = self.falsed2 if self.falsed and not falsed: e, n = -e, -n elif falsed and not self.falsed: pass else: e = n = 0 return EasNor2Tuple(e + self.easting, n + self.northing) @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}. ''' self._notOverloaded(self.falsed2.__name__) @property_RO def hemisphere(self): '''Get the hemisphere (C{str}, 'N'|'S'). ''' return self._hemisphere def _latlon5(self, LatLon): '''(INTERNAL) Convert cached LatLon ''' ll = self._latlon if LatLon is None: r = LatLonDatum5Tuple(ll.lat, ll.lon, ll.datum, ll.convergence, ll.scale) elif issubclassof(LatLon, _LLEB): r = _xattrs(LatLon(ll.lat, ll.lon, datum=ll.datum), ll, '_convergence', '_scale') else: raise _IsNotError(_LLEB.__name__, LatLon=LatLon) 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 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 _toStr4_6(self, hemipole, B, cs, prec, sep): '''(INTERNAL) Return a string representation of this UTM/UPS coordinate. ''' z = '%02d%s' % (self.zone, (self.band if B else '')) # PYCHOK band t = (z, hemipole, fStr(self.easting, prec=prec), fStr(self.northing, prec=prec)) if cs: t += ('n/a' if self.convergence is None else degDMS(self.convergence, prec=8, pos='+'), 'n/a' if self.scale is None else fStr(self.scale, prec=8)) return sep.join(t) def _toStr2(self, prec=0, fmt='[%s]', sep=', ', B=False, cs=False): # PYCHOK expected '''(INTERNAL) Return a string representation of this UTM/UPS coordinate. ''' t = self.toStr(prec=prec, sep=' ', B=B, cs=cs).split() return fmt % (sep.join('%s:%s' % t for t in zip('ZHENCS', t)),) # **) MIT License # # Copyright (C) 2016-2020 -- 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.