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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        2339,
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        2341,
        2342,
        2343,
        2344,
        2345,
        2346,
        2347,
        2348,
        2349,
        2350,
        2351,
        2352,
        2353,
        2354,
        2355,
        2356,
        2357,
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        2359,
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        3333,
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        3335,
        3346,
        3350,
        3351,
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        3366,
        3386,
        3387,
        3388,
        3389,
        3390,
        3396,
        3397,
        3398,
        3399,
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        3414,
        3416,
        3764,
        3788,
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        3790,
        3791,
        3793,
        3795,
        3796,
        3819,
        3821,
        3823,
        3824,
        3833,
        3834,
        3835,
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        3840,
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        3844,
        3845,
        3846,
        3847,
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        3849,
        3850,
        3851,
        3852,
        3854,
        3873,
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        3875,
        3876,
        3877,
        3878,
        3879,
        3880,
        3881,
        3882,
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        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,
        4147,
        4148,
        4149,
        4150,
        4151,
        4152,
        4153,
        4154,
        4155,
        4156,
        4157,
        4158,
        4159,
        4160,
        4161,
        4162,
        4163,
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        4165,
        4166,
        4167,
        4168,
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        4170,
        4171,
        4172,
        4173,
        4174,
        4175,
        4176,
        4178,
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        4180,
        4181,
        4182,
        4183,
        4184,
        4185,
        4188,
        4189,
        4190,
        4191,
        4192,
        4193,
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        4195,
        4196,
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        4198,
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        4200,
        4201,
        4202,
        4203,
        4204,
        4205,
        4206,
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        4208,
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        4211,
        4212,
        4213,
        4214,
        4215,
        4216,
        4218,
        4219,
        4220,
        4221,
        4222,
        4223,
        4224,
        4225,
        4226,
        4227,
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        4229,
        4230,
        4231,
        4232,
        4233,
        4234,
        4235,
        4236,
        4237,
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        4240,
        4241,
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        4245,
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        4251,
        4252,
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        4255,
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        4259,
        4260,
        4261,
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        4263,
        4264,
        4265,
        4266,
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        4269,
        4270,
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        4272,
        4273,
        4274,
        4275,
        4276,
        4277,
        4278,
        4279,
        4280,
        4281,
        4282,
        4283,
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        4288,
        4289,
        4291,
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        4294,
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        4297,
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        4300,
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        4310,
        4311,
        4312,
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        4318,
        4319,
        4322,
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        4339,
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        4705,
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        4708,
        4709,
        4710,
        4711,
        4712,
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)