Geografic-Information-System/scripts/r.in.wms/srs.py

"""!
@brief WMS, WMTS and NASA OnEarth drivers implemented in GRASS using GDAL Python bindings.

List of classes:
 - srs.py::Srs

(C) 2014 by the GRASS Development Team

This program is free software under the GNU General Public License
(>=v2). Read the file COPYING that comes with GRASS for details.

@author Stepan Turek <stepan.turek seznam.cz> (Based on code from OWSLib - Copyright below)
"""
# -*- coding: ISO-8859-15 -*-
# =============================================================================
# Copyright (c) 2011 Tom Kralidis
#
# Authors : Tom Kralidis <tomkralidis@gmail.com>
#
# Contact email: tomkralidis@gmail.com
# =============================================================================


class Srs:
    """Initialize a CRS construct
        :param string srs: the Coordinate reference system. Examples:
          * EPSG:<EPSG code>
          * http://www.opengis.net/def/crs/EPSG/0/<EPSG code> (URI Style 1)
          * http://www.opengis.net/gml/srs/epsg.xml#<EPSG code> (URI Style 2)
          * urn:EPSG:geographicCRS:<epsg code>
          * urn:ogc:def:crs:EPSG::4326
          * urn:ogc:def:crs:EPSG:4326
        :param string axisorder: Force / override axisorder ('xy' or 'yx')
    """

    def __init__(self, srs):
        self.id = srs
        self.naming_authority = None
        self.category = None
        self.type = None
        self.authority = None
        self.version = None
        self.code = -1
        self.axisorder = 'xy'
        self.encoding = "code"

        values = self.id.split(':')

        if self.id.find('/def/crs/') != -1:  # URI Style 1
            self.encoding = "uri"
            vals = self.id.split('/')
            self.authority = vals[5].upper()
            self.code = int(vals[-1])
        elif self.id.find('#') != -1:  # URI Style 2
            self.encoding = "uri"
            vals = self.id.split('#')
            self.authority = vals[0].split('/')[-1].split('.')[0].upper()
            self.code = int(vals[-1])
        elif len(values) > 2:  # it's a URN style
            self.naming_authority = values[1]
            self.encoding = "urn"

            if len(values) == 3:  # bogus
                pass
            elif len(values) == 4:
                self.type = values[2]
            else:
                self.category = values[2]
                self.type = values[3]
                self.authority = values[4].upper()

            if len(values) == 7:  # version, even if empty, is included
                if values[5]:
                    self.version = values[5]

            # code is always the last value
            try:
                self.code = int(values[-1])
            except:
                self.code = values[-1]

        elif len(values) == 2:  # it's an authority:code code
            self.encoding = "code"
            self.authority = values[0].upper()
            self.code = int(values[1])

        if self.code in axisorder_yx:
            self.axisorder = 'yx'

    def getcode(self):
        """Create for example "EPSG:4326" string and return back
        :returns: String code formatted in "authority:code"
        """

        if self.authority is not None and self.code is not None:
            return '%s:%s' % (self.authority, self.code)
        return None

    def getcodeurn(self):
        """Create for example "urn:ogc:def:crs:EPSG::4326" string and return back
        :returns: String code formatted in "urn:ogc:def:authority:code"
        """

        return 'urn:%s:def:crs:%s:%s:%s' % (
            (self.naming_authority and self.naming_authority or "ogc"),
            (self.authority or ""),
            (self.version or ""),
            (self.code or ""))

axisorder_yx = frozenset([
    4326,
    4258,
    31466,
    31467,
    31468,
    31469,
    2166,
    2167,
    2168,
    2036,
    2044,
    2045,
    2065,
    2081,
    2082,
    2083,
    2085,
    2086,
    2091,
    2092,
    2093,
    2096,
    2097,
    2098,
    2105,
    2106,
    2107,
    2108,
    2109,
    2110,
    2111,
    2112,
    2113,
    2114,
    2115,
    2116,
    2117,
    2118,
    2119,
    2120,
    2121,
    2122,
    2123,
    2124,
    2125,
    2126,
    2127,
    2128,
    2129,
    2130,
    2131,
    2132,
    2169,
    2170,
    2171,
    2172,
    2173,
    2174,
    2175,
    2176,
    2177,
    2178,
    2179,
    2180,
    2193,
    2199,
    2200,
    2206,
    2207,
    2208,
    2209,
    2210,
    2211,
    2212,
    2319,
    2320,
    2321,
    2322,
    2323,
    2324,
    2325,
    2326,
    2327,
    2328,
    2329,
    2330,
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    2334,
    2335,
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    2355,
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    2357,
    2358,
    2359,
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    2364,
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    2389,
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    2397,
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    2963,
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    3329,
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    3331,
    3332,
    3333,
    3334,
    3335,
    3346,
    3350,
    3351,
    3352,
    3366,
    3386,
    3387,
    3388,
    3389,
    3390,
    3396,
    3397,
    3398,
    3399,
    3407,
    3414,
    3416,
    3764,
    3788,
    3789,
    3790,
    3791,
    3793,
    3795,
    3796,
    3819,
    3821,
    3823,
    3824,
    3833,
    3834,
    3835,
    3836,
    3837,
    3838,
    3839,
    3840,
    3841,
    3842,
    3843,
    3844,
    3845,
    3846,
    3847,
    3848,
    3849,
    3850,
    3851,
    3852,
    3854,
    3873,
    3874,
    3875,
    3876,
    3877,
    3878,
    3879,
    3880,
    3881,
    3882,
    3883,
    3884,
    3885,
    3888,
    3889,
    3906,
    3907,
    3908,
    3909,
    3910,
    3911,
    4001,
    4002,
    4003,
    4004,
    4005,
    4006,
    4007,
    4008,
    4009,
    4010,
    4011,
    4012,
    4013,
    4014,
    4015,
    4016,
    4017,
    4018,
    4019,
    4020,
    4021,
    4022,
    4023,
    4024,
    4025,
    4026,
    4027,
    4028,
    4029,
    4030,
    4031,
    4032,
    4033,
    4034,
    4035,
    4036,
    4037,
    4038,
    4040,
    4041,
    4042,
    4043,
    4044,
    4045,
    4046,
    4047,
    4052,
    4053,
    4054,
    4055,
    4074,
    4075,
    4080,
    4081,
    4120,
    4121,
    4122,
    4123,
    4124,
    4125,
    4126,
    4127,
    4128,
    4129,
    4130,
    4131,
    4132,
    4133,
    4134,
    4135,
    4136,
    4137,
    4138,
    4139,
    4140,
    4141,
    4142,
    4143,
    4144,
    4145,
    4146,
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    4148,
    4149,
    4150,
    4151,
    4152,
    4153,
    4154,
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    4157,
    4158,
    4159,
    4160,
    4161,
    4162,
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    4175,
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    4183,
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    4188,
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    4212,
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    4218,
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    4221,
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    4223,
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    4225,
    4226,
    4227,
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    4231,
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    4264,
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    4280,
    4281,
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    4709,
    4710,
    4711,
    4712,
    4713,
    4714,
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