#!/usr/bin/env pytest
# -*- coding: utf-8 -*-
###############################################################################
# $Id: osr_basic.py ee5d783f35da7da299a5f1af4f5dcc5563e5af56 2021-10-13 15:31:35 +0200 Even Rouault $
#
# Project:  GDAL/OGR Test Suite
# Purpose:  Basic tests of OGRSpatialReference (OSR) operation, not including
#           support for actual reprojection or use of EPSG tables.
# Author:   Frank Warmerdam <warmerdam@pobox.com>
#
###############################################################################
# Copyright (c) 2003, Frank Warmerdam <warmerdam@pobox.com>
# Copyright (c) 2008-2013, Even Rouault <even dot rouault at spatialys.com>
#
# 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.
###############################################################################

import os
import subprocess
import sys

import gdaltest
from osgeo import gdal, ogr, osr
import pytest
from threading import Thread

###############################################################################
# Create a UTM WGS84 coordinate system and check various items.

def test_osr_basic_1():

    utm_srs = osr.SpatialReference()
    # Southern hemisphere
    utm_srs.SetUTM(11, 0)
    utm_srs.SetWellKnownGeogCS('WGS84')

    assert utm_srs.GetUTMZone() == -11

    # Northern hemisphere
    utm_srs.SetUTM(11)

    assert utm_srs.GetUTMZone() == 11

    parm_list = \
        [(osr.SRS_PP_CENTRAL_MERIDIAN, -117.0),
         (osr.SRS_PP_LATITUDE_OF_ORIGIN, 0.0),
            (osr.SRS_PP_SCALE_FACTOR, 0.9996),
            (osr.SRS_PP_FALSE_EASTING, 500000.0),
            (osr.SRS_PP_FALSE_NORTHING, 0.0)]

    for param in parm_list:
        value = utm_srs.GetProjParm(param[0], -1111)
        assert value == pytest.approx(param[1], abs=.00000000000010), ('got %g for %s instead of %g.'
                                 % (value, param[0], param[1]))

    auth_list = [('GEOGCS', '4326'),
                 ('DATUM', '6326')]

    for auth in auth_list:
        assert utm_srs.GetAuthorityName(auth[0]) == 'EPSG', \
            ('Got authority %s instead of EPSG for %s'
                                 % (utm_srs.GetAuthorityName(auth[0]),
                                     auth[0]))

        assert str(utm_srs.GetAuthorityCode(auth[0])) == auth[1], \
            ('Got code %s instead of %s for %s'
                                 % (utm_srs.GetAuthorityName(auth[0]),
                                     auth[1], auth[0]))


###############################################################################
# Simple default NAD83 State Plane zone.


def test_osr_basic_2():

    srs = osr.SpatialReference()
    srs.SetStatePlane(403, 1)  # California III NAD83.

    parm_list = \
        [(osr.SRS_PP_STANDARD_PARALLEL_1, 38.43333333333333),
         (osr.SRS_PP_STANDARD_PARALLEL_2, 37.06666666666667),
            (osr.SRS_PP_LATITUDE_OF_ORIGIN, 36.5),
            (osr.SRS_PP_CENTRAL_MERIDIAN, -120.5),
            (osr.SRS_PP_FALSE_EASTING, 2000000.0),
            (osr.SRS_PP_FALSE_NORTHING, 500000.0)]

    for param in parm_list:
        value = srs.GetProjParm(param[0], -1111)
        assert gdaltest.approx_equal(param[1], value), \
            ('got %.16g for %s instead of %.16g.'
                                 % (value, param[0], param[1]))

    auth_list = [('GEOGCS', '4269'),
                 ('DATUM', '6269'),
                 ('PROJCS', '26943'),
                 ('PROJCS|UNIT', '9001')]

    for auth in auth_list:
        assert srs.GetAuthorityName(auth[0]) == 'EPSG', \
            ('Got authority %s instead of EPSG for %s'
                                 % (srs.GetAuthorityName(auth[0]),
                                    auth[0]))

        assert str(srs.GetAuthorityCode(auth[0])) == auth[1], \
            ('Got code %s instead of %s for %s'
                                 % (srs.GetAuthorityCode(auth[0]),
                                    auth[1], auth[0]))


###############################################################################
# NAD83 State Plane zone, but overridden to be in Feet.


def test_osr_basic_3():

    srs = osr.SpatialReference()

    # California III NAD83 (feet)
    srs.SetStatePlane(403, 1, 'Foot', 0.3048006096012192)
    # print srs.ExportToPrettyWkt()

    parm_list = \
        [(osr.SRS_PP_STANDARD_PARALLEL_1, 38.43333333333333),
         (osr.SRS_PP_STANDARD_PARALLEL_2, 37.06666666666667),
            (osr.SRS_PP_LATITUDE_OF_ORIGIN, 36.5),
            (osr.SRS_PP_CENTRAL_MERIDIAN, -120.5),
            (osr.SRS_PP_FALSE_EASTING, 6561666.666666667),
            (osr.SRS_PP_FALSE_NORTHING, 1640416.666666667)]

    for param in parm_list:
        value = srs.GetProjParm(param[0], -1111)
        assert gdaltest.approx_equal(param[1], value), \
            ('got %.16g for %s instead of %.16g.'
                                 % (value, param[0], param[1]))

    auth_list = [('GEOGCS', '4269'),
                 ('DATUM', '6269')]

    for auth in auth_list:
        assert srs.GetAuthorityName(auth[0]) == 'EPSG', \
            ('Got authority %s instead of EPSG for %s'
                                 % (srs.GetAuthorityName(auth[0]),
                                    auth[0]))

        assert str(srs.GetAuthorityCode(auth[0])) == auth[1], \
            ('Got code %s instead of %s for %s'
                                 % (srs.GetAuthorityCode(auth[0]),
                                    auth[1], auth[0]))

    assert srs.GetAuthorityName('PROJCS') is None, \
        'Got a PROJCS Authority but we should not'

    assert str(srs.GetAuthorityCode('PROJCS|UNIT')) != '9001', \
        'Got METER authority code on linear units.'

    assert srs.GetLinearUnitsName() == 'Foot', 'Didnt get Foot linear units'

    assert srs.GetLinearUnits() == pytest.approx(0.3048006096012192, 1e-16)

    assert srs.GetTargetLinearUnits('PROJCS') == pytest.approx(0.3048006096012192, 1e-16)

    assert srs.GetTargetLinearUnits(None) == pytest.approx(0.3048006096012192, 1e-16)

###############################################################################
# Translate a coordinate system with nad shift into to PROJ.4 and back
# and verify that the TOWGS84 parameters are preserved.

def test_osr_basic_4():

    srs = osr.SpatialReference()
    srs.SetGS(cm=-117.0, fe=100000.0, fn=100000)
    srs.SetLinearUnits('meter', 1)
    srs.SetGeogCS('Test GCS', 'Test Datum', 'WGS84',
                  osr.SRS_WGS84_SEMIMAJOR, osr.SRS_WGS84_INVFLATTENING)

    srs.SetTOWGS84(1, 2, 3)

    assert srs.GetTOWGS84() == (1, 2, 3, 0, 0, 0, 0), 'GetTOWGS84() result is wrong.'

    proj4 = srs.ExportToProj4()

    srs2 = osr.SpatialReference()
    srs2.ImportFromProj4(proj4)

    assert srs2.GetTOWGS84() == (1, 2, 3, 0, 0, 0, 0), \
        'GetTOWGS84() result is wrong after PROJ.4 conversion.'

###############################################################################
# Test URN support for OGC:CRS84.


def test_osr_basic_5():

    wkt_1 = osr.GetUserInputAsWKT('urn:ogc:def:crs:OGC:1.3:CRS84')
    assert 'GEOGCS["WGS 84' in wkt_1
    assert 'AXIS["Longitude",EAST],AXIS["Latitude",NORTH]' in wkt_1
    assert '4326' not in wkt_1

    wkt_2 = osr.GetUserInputAsWKT('WGS84')
    assert 'GEOGCS["WGS 84' in wkt_2
    assert 'AXIS["Latitude",NORTH],AXIS["Longitude",EAST]' in wkt_2
    assert '4326' in wkt_2

###############################################################################
# Test URN support for EPSG


def test_osr_basic_6():

    # Without version
    wkt_1 = osr.GetUserInputAsWKT('urn:x-ogc:def:crs:EPSG::4326')
    assert not (wkt_1.find('GEOGCS["WGS 84",DATUM["WGS_1984"') == -1 or wkt_1.find('AXIS["Latitude",NORTH],AXIS["Longitude",EAST]') == -1), \
        'EPSG:4326 urn lookup not as expected.'

    # With a version
    wkt_2 = osr.GetUserInputAsWKT('urn:x-ogc:def:crs:EPSG:6.6:4326')
    if wkt_2.find('GEOGCS["WGS 84",DATUM["WGS_1984"') == -1 or wkt_2.find('AXIS["Latitude",NORTH],AXIS["Longitude",EAST]') == -1:
        print(wkt_1)
        pytest.fail('EPSG:4326 urn lookup not as expected.')

    # Without version, but with no repeated :. Probably illegal from my understanding
    # of http://www.opengeospatial.org/ogcUrnPolicy, but found quite often in the wild
    # especially in content returned by GeoServer
    wkt_2 = osr.GetUserInputAsWKT('urn:x-ogc:def:crs:EPSG:4326')
    if wkt_2.find('GEOGCS["WGS 84",DATUM["WGS_1984"') == -1 or wkt_2.find('AXIS["Latitude",NORTH],AXIS["Longitude",EAST]') == -1:
        print(wkt_1)
        pytest.fail('EPSG:4326 urn lookup not as expected.')


###############################################################################
# Test URN support for auto projection.


def test_osr_basic_7():

    srs = osr.SpatialReference()
    srs.SetFromUserInput('urn:ogc:def:crs:OGC::AUTO42001:-117:33')

    srs_ref = osr.SpatialReference()
    srs_ref.ImportFromEPSG(32611)
    assert srs.IsSame(srs_ref)


###############################################################################
# Test the SetLinearUnitsAndUpdateParameters() method.


def test_osr_basic_8():

    srs = osr.SpatialReference()

    srs.SetFromUserInput('+proj=tmerc +x_0=1000 +datum=WGS84 +units=m')
    srs.SetLinearUnits('Foot', 0.3048)
    fe = srs.GetProjParm('false_easting')

    assert fe == 1000.0, 'false easting was unexpectedly updated.'

    srs.SetFromUserInput('+proj=tmerc +x_0=1000 +datum=WGS84 +units=m')
    srs.SetLinearUnitsAndUpdateParameters('Foot', 0.3048)
    fe = srs.GetProjParm('false_easting')

    assert fe != 1000.0, 'false easting was unexpectedly not updated.'

    assert fe == pytest.approx(3280.840, abs=0.01), 'wrong updated false easting value.'

###############################################################################
# Test the Validate() method.


def test_osr_basic_9():

    srs = osr.SpatialReference()
    srs.SetFromUserInput("PROJCS[\"unnamed\",GEOGCS[\"unnamed ellipse\",DATUM[\"unknown\",SPHEROID[\"unnamed\",6378137,0]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433]],PROJECTION[\"Mercator_2SP\"],PARAMETER[\"standard_parallel_1\",0],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",0],PARAMETER[\"false_easting\",0],PARAMETER[\"false_northing\",0],UNIT[\"Meter\",1],EXTENSION[\"PROJ4\",\"+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null +wktext  +no_defs\"]]")
    assert srs.Validate() == 0


###############################################################################
# Test the Validate() method on PROJCS with AXIS definition (#2739)

def test_osr_basic_10():

    srs = osr.SpatialReference()
    srs.SetFromUserInput("""PROJCS["NAD83(CSRS98) / UTM zone 20N (deprecated)",
    GEOGCS["NAD83(CSRS98)",
        DATUM["NAD83_Canadian_Spatial_Reference_System",
            SPHEROID["GRS 1980",6378137,298.257222101,
                AUTHORITY["EPSG","7019"]],
            TOWGS84[0,0,0,0,0,0,0],
            AUTHORITY["EPSG","6140"]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9108"]],
        AUTHORITY["EPSG","4140"]],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",0],
    PARAMETER["central_meridian",-63],
    PARAMETER["scale_factor",0.9996],
    PARAMETER["false_easting",500000],
    PARAMETER["false_northing",0],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["EPSG","2038"]]""")

    assert srs.Validate() == 0

###############################################################################
# Test the IsSame() method (and the IsSameGeogCS() method through that)


def test_osr_basic_11():

    srs1 = osr.SpatialReference()
    srs1.SetFromUserInput("""PROJCS["NAD83(CSRS98) / UTM zone 20N (deprecated)",
    GEOGCS["NAD83(CSRS98)",
        DATUM["NAD83_Canadian_Spatial_Reference_System",
            SPHEROID["GRS 1980",6378137,298.257222101,
                AUTHORITY["EPSG","7019"]],
            TOWGS84[0,0,0,0,0,0,0],
            AUTHORITY["EPSG","6140"]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9108"]],
        AUTHORITY["EPSG","4140"]],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",0],
    PARAMETER["central_meridian",-63],
    PARAMETER["scale_factor",0.9996],
    PARAMETER["false_easting",500000],
    PARAMETER["false_northing",0],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AUTHORITY["EPSG","2038"],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH]]""")

    srs2 = osr.SpatialReference()
    srs2.SetFromUserInput("""PROJCS["NAD83(CSRS98) / UTM zone 20N (deprecated)",
    GEOGCS["NAD83(CSRS98)",
        DATUM["NAD83_Canadian_Spatial_Reference_System",
            SPHEROID["GRS 1980",6378137,298.257222101,
                AUTHORITY["EPSG","7019"]],
            TOWGS84[0,0,0,0,0,0,0],
            AUTHORITY["EPSG","6140"]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9108"]],
        AUTHORITY["EPSG","4140"]],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["central_meridian",-63],
    PARAMETER["scale_factor",0.9996],
    PARAMETER["false_easting",500000],
    PARAMETER["false_northing",0],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AUTHORITY["EPSG","2038"],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH]]""")

    assert srs1.IsSame(srs2)

###############################################################################
# Test URN support for OGC:CRS84.


def test_osr_basic_12():

    wkt_1 = osr.GetUserInputAsWKT('CRS:84')
    wkt_2 = osr.GetUserInputAsWKT('WGS84')
    assert wkt_1 == 'GEOGCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AXIS["Longitude",EAST],AXIS["Latitude",NORTH]]'
    assert wkt_2 == 'GEOGCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AXIS["Latitude",NORTH],AXIS["Longitude",EAST],AUTHORITY["EPSG","4326"]]'

###############################################################################
# Test GEOCCS lookup in supporting data files.


def test_osr_basic_13():

    srs = osr.SpatialReference()
    srs.ImportFromEPSG(4328)
    with gdaltest.config_option('OSR_USE_NON_DEPRECATED', 'NO'):
        srs.ImportFromEPSG(4328)

    expected_wkt = 'GEOCCS["WGS 84 (geocentric) (deprecated)",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Geocentric X",OTHER],AXIS["Geocentric Y",OTHER],AXIS["Geocentric Z",NORTH],AUTHORITY["EPSG","4328"]]'
    wkt = srs.ExportToWkt()

    assert wkt == expected_wkt, 'did not get expected GEOCCS WKT.'

    assert srs.IsGeocentric(), 'srs not recognised as geocentric.'

    assert srs.Validate() == 0, 'epsg geoccs import does not validate!'

###############################################################################
# Manually setup a simple geocentric/wgs84 srs.


def test_osr_basic_14():

    srs = osr.SpatialReference()
    srs.SetGeocCS('My Geocentric')
    srs.SetWellKnownGeogCS('WGS84')
    srs.SetLinearUnits('meter', 1.0)

    expected_wkt = 'GEOCCS["My Geocentric",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["meter",1],AXIS["Geocentric X",OTHER],AXIS["Geocentric Y",OTHER],AXIS["Geocentric Z",NORTH]]'
    wkt = srs.ExportToWkt()

    assert wkt == expected_wkt, 'did not get expected GEOCCS WKT.'

    assert srs.IsGeocentric(), 'srs not recognised as geocentric.'

    assert srs.Validate() == 0, 'geocentric srs not recognised as valid.'

###############################################################################
# Test validation and fixup methods.


def test_osr_basic_15():

    wkt = """GEOCCS["WGS 84 (geocentric)",
    PRIMEM["Greenwich",0,
        AUTHORITY["EPSG","8901"]],
    DATUM["WGS_1984",
        SPHEROID["WGS 84",6378137,298.257223563,
            AUTHORITY["EPSG","7030"]],
        AUTHORITY["EPSG","6326"]],
    UNIT["metre",1],
    AXIS["Geocentric X",OTHER],
    AXIS["Geocentric Y",OTHER],
    AXIS["Geocentric Z",OTHER],
    AUTHORITY["EPSG","4328"]]"""

    srs = osr.SpatialReference()
    srs.SetFromUserInput(wkt)

    # Missing PRIMEM
    assert srs.Validate() != 0

###############################################################################
# Test OSRSetGeocCS()


def test_osr_basic_16():

    # Nominal test : change citation of a GEOCCS
    srs = osr.SpatialReference()
    srs.SetFromUserInput("""GEOCCS["WGS 84 (geocentric)",
    PRIMEM["Greenwich",0,
        AUTHORITY["EPSG","8901"]],
    DATUM["WGS_1984",
        SPHEROID["WGS 84",6378137,298.257223563,
            AUTHORITY["EPSG","7030"]],
        AUTHORITY["EPSG","6326"]],
    UNIT["metre",1],
    AXIS["Geocentric X",OTHER],
    AXIS["Geocentric Y",OTHER],
    AXIS["Geocentric Z",OTHER],
    AUTHORITY["EPSG","4328"]]""")
    srs.SetGeocCS("a")
    expect_wkt = """GEOCCS["a",
    DATUM["WGS_1984",
        SPHEROID["WGS 84",6378137,298.257223563,
            AUTHORITY["EPSG","7030"]],
        AUTHORITY["EPSG","6326"]],
    PRIMEM["Greenwich",0,
        AUTHORITY["EPSG","8901"]],
    UNIT["metre",1],
    AXIS["Geocentric X",OTHER],
    AXIS["Geocentric Y",OTHER],
    AXIS["Geocentric Z",NORTH],
    AUTHORITY["EPSG","4328"]]"""
    wkt = srs.ExportToPrettyWkt()
    if wkt != expect_wkt:
        print('Got:%s' % wkt)
        print('Expected:%s' % expect_wkt)
        pytest.fail('Did not get expected result.')

    # Build GEOCCS from a valid GEOGCS
    srs = osr.SpatialReference()
    srs.ImportFromEPSG(4326)
    srs.SetGeocCS("a")
    expect_wkt = """GEOCCS["WGS 84",
    DATUM["WGS_1984",
        SPHEROID["WGS 84",6378137,298.257223563,
            AUTHORITY["EPSG","7030"]],
        AUTHORITY["EPSG","6326"]],
    PRIMEM["Greenwich",0,
        AUTHORITY["EPSG","8901"]],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Geocentric X",OTHER],
    AXIS["Geocentric Y",OTHER],
    AXIS["Geocentric Z",NORTH]]"""
    wkt = srs.ExportToPrettyWkt()
    if wkt != expect_wkt:
        print('Got:%s' % wkt)
        print('Expected:%s' % expect_wkt)
        pytest.fail('Did not get expected result.')

    # Error expected. Cannot work on a PROJCS
    srs = osr.SpatialReference()
    srs.ImportFromEPSG(32631)
    ret = srs.SetGeocCS("a")
    if ret == 0:
        print(srs)
        pytest.fail('expected failure')

    # Limit test : build GEOCCS from an invalid GEOGCS
    srs = osr.SpatialReference()
    with gdaltest.error_handler():
        assert srs.SetFromUserInput("""GEOGCS["foo"]""") != 0


###############################################################################
# Test OGC URL support


def test_osr_basic_17():

    wkt_1 = osr.GetUserInputAsWKT('urn:ogc:def:crs:EPSG::4326')
    wkt_2 = osr.GetUserInputAsWKT('http://www.opengis.net/def/crs/EPSG/0/4326')
    assert wkt_1 == wkt_2, 'CRS URL parsing not as expected.'

###############################################################################
# Test OGC URL support for compound CRS


def test_osr_basic_18():

    wkt = osr.GetUserInputAsWKT('http://www.opengis.net/def/crs-compound?1=http://www.opengis.net/def/crs/EPSG/0/4326&2=http://www.opengis.net/def/crs/EPSG/0/3855')
    assert wkt.startswith('COMPD_CS'), 'CRS URL parsing not as expected.'

###############################################################################
# Test well known GCS names against their corresponding EPSG definitions (#6080)


def test_osr_basic_19():

    sr = osr.SpatialReference()
    sr.SetWellKnownGeogCS('WGS84')

    sr_ref = osr.SpatialReference()
    sr_ref.ImportFromEPSG(4326)

    assert sr.ExportToWkt() == sr_ref.ExportToWkt()

    sr = osr.SpatialReference()
    sr.SetWellKnownGeogCS('WGS72')

    sr_ref = osr.SpatialReference()
    sr_ref.ImportFromEPSG(4322)

    assert sr.ExportToWkt() == sr_ref.ExportToWkt()

    sr = osr.SpatialReference()
    sr.SetWellKnownGeogCS('NAD27')

    sr_ref = osr.SpatialReference()
    sr_ref.ImportFromEPSG(4267)

    assert sr.ExportToWkt() == sr_ref.ExportToWkt()

    sr = osr.SpatialReference()
    sr.SetWellKnownGeogCS('NAD83')

    sr_ref = osr.SpatialReference()
    sr_ref.ImportFromEPSG(4269)

    assert sr.ExportToWkt() == sr_ref.ExportToWkt()

###############################################################################
# Test GetAxisName() and GetAxisOrientation() and GetAngularUnitsName()


def test_osr_basic_20():

    sr = osr.SpatialReference()
    sr.ImportFromEPSGA(4326)

    assert sr.GetAxesCount() == 2

    assert sr.GetAxisName(None, 0) == 'Geodetic latitude'

    assert sr.GetAxisOrientation(None, 0) == osr.OAO_North

    assert sr.GetAxisName('GEOGCS', 1) == 'Geodetic longitude'

    assert sr.GetAxisOrientation('GEOGCS', 1) == osr.OAO_East

    assert sr.GetAngularUnitsName() == 'degree'

    sr = osr.SpatialReference()
    sr.SetFromUserInput('EPSG:4326+5773')

    assert sr.GetAxisName(None, 0) == 'Geodetic latitude'

    assert sr.GetAxisOrientation(None, 0) == osr.OAO_North

    assert sr.GetAxisName(None, 1) == 'Geodetic longitude'

    assert sr.GetAxisOrientation(None, 1) == osr.OAO_East

    assert sr.GetAxisName(None, 2) == 'Gravity-related height'

    assert sr.GetAxisOrientation(None, 2) == osr.OAO_Up

###############################################################################
# Test IsSame() with equivalent forms of Mercator_1SP and Mercator_2SP


def test_osr_basic_21():

    wkt1 = """PROJCS["unnamed",
    GEOGCS["Segara (Jakarta)",
        DATUM["Gunung_Segara_Jakarta",
            SPHEROID["Bessel 1841",6377397.155,299.1528128]],
        PRIMEM["Jakarta",106.8077194444444],
        UNIT["degree",0.0174532925199433]],
    PROJECTION["Mercator_2SP"],
    PARAMETER["central_meridian",110],
    PARAMETER["false_easting",3900000],
    PARAMETER["false_northing",900000],
    PARAMETER["standard_parallel_1",4.45405154589751],
    UNIT["metre",1],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH]]"""

    wkt2 = """PROJCS["unnamed",
    GEOGCS["Segara (Jakarta)",
        DATUM["Gunung_Segara_Jakarta",
            SPHEROID["Bessel 1841",6377397.155,299.1528128]],
        PRIMEM["Jakarta",106.8077194444444],
        UNIT["degree",0.0174532925199433]],
    PROJECTION["Mercator_1SP"],
    PARAMETER["central_meridian",110],
    PARAMETER["scale_factor",0.997],
    PARAMETER["false_easting",3900000],
    PARAMETER["false_northing",900000],
    UNIT["metre",1],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH]]"""

    wkt2_not_equivalent = """PROJCS["unnamed",
    GEOGCS["Segara (Jakarta)",
        DATUM["Gunung_Segara_Jakarta",
            SPHEROID["Bessel 1841",6377397.155,299.1528128]],
        PRIMEM["Jakarta",106.8077194444444],
        UNIT["degree",0.0174532925199433]],
    PROJECTION["Mercator_1SP"],
    PARAMETER["central_meridian",110],
    PARAMETER["scale_factor",0.998],
    PARAMETER["false_easting",3900000],
    PARAMETER["false_northing",900000],
    UNIT["metre",1],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH]]"""

    sr1 = osr.SpatialReference()
    sr1.ImportFromWkt(wkt1)
    sr2 = osr.SpatialReference()
    sr2.ImportFromWkt(wkt2)

    assert sr1.IsSame(sr2) != 0

    assert sr2.IsSame(sr1) != 0

    sr2_not_equivalent = osr.SpatialReference()
    sr2_not_equivalent.ImportFromWkt(wkt2_not_equivalent)

    assert sr1.IsSame(sr2_not_equivalent) != 1

###############################################################################
# Test LCC_2SP -> LCC_1SP -> LCC_2SP


def test_osr_basic_22():

    sr = osr.SpatialReference()
    sr.SetFromUserInput("""PROJCS["unnamed",
    GEOGCS["RGF93",
        DATUM["Reseau_Geodesique_Francais_1993",
            SPHEROID["GRS 1980",6378137,298.257222101,
                AUTHORITY["EPSG","7019"]],
            TOWGS84[0,0,0,0,0,0,0],
            AUTHORITY["EPSG","6171"]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4171"]],
    PROJECTION["Lambert_Conformal_Conic_2SP"],
    PARAMETER["standard_parallel_1",49],
    PARAMETER["standard_parallel_2",44],
    PARAMETER["latitude_of_origin",46.5],
    PARAMETER["central_meridian",3],
    PARAMETER["false_easting",700000],
    PARAMETER["false_northing",6600000],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["X",EAST],
    AXIS["Y",NORTH],
    AUTHORITY["EPSG","2154"]]""")

    sr2 = sr.ConvertToOtherProjection(osr.SRS_PT_LAMBERT_CONFORMAL_CONIC_1SP)
    expected_sr2_wkt = """PROJCS["unnamed",
    GEOGCS["RGF93",
        DATUM["Reseau_Geodesique_Francais_1993",
            SPHEROID["GRS 1980",6378137,298.257222101,
                AUTHORITY["EPSG","7019"]],
            TOWGS84[0,0,0,0,0,0,0],
            AUTHORITY["EPSG","6171"]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4171"]],
    PROJECTION["Lambert_Conformal_Conic_1SP"],
    PARAMETER["latitude_of_origin",46.5194302239868],
    PARAMETER["central_meridian",3],
    PARAMETER["scale_factor",0.9990510286374693],
    PARAMETER["false_easting",700000],
    PARAMETER["false_northing",6602157.83881033],
    UNIT["metre",1],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH]]"""
    expected_sr2 = osr.SpatialReference()
    expected_sr2.ImportFromWkt(expected_sr2_wkt)

    assert sr2.IsSame(expected_sr2) != 0

    # Back to LCC_2SP
    sr3 = sr2.ConvertToOtherProjection(osr.SRS_PT_LAMBERT_CONFORMAL_CONIC_2SP)
    assert sr3.IsSame(sr) != 0

    # Particular case of LCC_2SP with phi0=phi1=phi2
    sr.SetFromUserInput("""PROJCS["unnamed",
    GEOGCS["RGF93",
        DATUM["Reseau_Geodesique_Francais_1993",
            SPHEROID["GRS 1980",6378137,298.257222101,
                AUTHORITY["EPSG","7019"]],
            TOWGS84[0,0,0,0,0,0,0],
            AUTHORITY["EPSG","6171"]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4171"]],
    PROJECTION["Lambert_Conformal_Conic_2SP"],
    PARAMETER["standard_parallel_1",46.5],
    PARAMETER["standard_parallel_2",46.5],
    PARAMETER["latitude_of_origin",46.5],
    PARAMETER["central_meridian",3],
    PARAMETER["false_easting",700000],
    PARAMETER["false_northing",6600000],
    UNIT["metre",1],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH]]""")

    sr2 = sr.ConvertToOtherProjection(osr.SRS_PT_LAMBERT_CONFORMAL_CONIC_1SP)
    expected_sr2_wkt = """PROJCS["unnamed",
    GEOGCS["RGF93",
        DATUM["Reseau_Geodesique_Francais_1993",
            SPHEROID["GRS 1980",6378137,298.257222101,
                AUTHORITY["EPSG","7019"]],
            TOWGS84[0,0,0,0,0,0,0],
            AUTHORITY["EPSG","6171"]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4171"]],
    PROJECTION["Lambert_Conformal_Conic_1SP"],
    PARAMETER["latitude_of_origin",46.5],
    PARAMETER["central_meridian",3],
    PARAMETER["scale_factor",1],
    PARAMETER["false_easting",700000],
    PARAMETER["false_northing",6600000],
    UNIT["metre",1],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH]]"""
    expected_sr2 = osr.SpatialReference()
    expected_sr2.ImportFromWkt(expected_sr2_wkt)

    assert sr2.IsSame(expected_sr2) != 0

    sr3 = sr2.ConvertToOtherProjection(osr.SRS_PT_LAMBERT_CONFORMAL_CONIC_2SP)
    assert sr3.IsSame(sr) != 0

    # Particular case of LCC_2SP with phi0 != phi1 and phi1=phi2
    sr.SetFromUserInput("""PROJCS["unnamed",
    GEOGCS["RGF93",
        DATUM["Reseau_Geodesique_Francais_1993",
            SPHEROID["GRS 1980",6378137,298.257222101,
                AUTHORITY["EPSG","7019"]],
            TOWGS84[0,0,0,0,0,0,0],
            AUTHORITY["EPSG","6171"]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4171"]],
    PROJECTION["Lambert_Conformal_Conic_2SP"],
    PARAMETER["standard_parallel_1",46.4567],
    PARAMETER["standard_parallel_2",46.4567],
    PARAMETER["latitude_of_origin",46.123],
    PARAMETER["central_meridian",3],
    PARAMETER["false_easting",700000],
    PARAMETER["false_northing",6600000],
    UNIT["metre",1],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH]]""")

    sr2 = sr.ConvertToOtherProjection(osr.SRS_PT_LAMBERT_CONFORMAL_CONIC_1SP)
    expected_sr2_wkt = """PROJCS["unnamed",
    GEOGCS["RGF93",
        DATUM["Reseau_Geodesique_Francais_1993",
            SPHEROID["GRS 1980",6378137,298.257222101,
                AUTHORITY["EPSG","7019"]],
            TOWGS84[0,0,0,0,0,0,0],
            AUTHORITY["EPSG","6171"]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4171"]],
    PROJECTION["Lambert_Conformal_Conic_1SP"],
    PARAMETER["latitude_of_origin",46.4567],
    PARAMETER["central_meridian",3],
    PARAMETER["scale_factor",1],
    PARAMETER["false_easting",700000],
    PARAMETER["false_northing",6637093.292952879],
    UNIT["metre",1],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH]]"""
    expected_sr2 = osr.SpatialReference()
    expected_sr2.ImportFromWkt(expected_sr2_wkt)

    assert sr2.IsSame(expected_sr2) != 0

    sr3 = sr2.ConvertToOtherProjection(osr.SRS_PT_LAMBERT_CONFORMAL_CONIC_2SP)
    expected_sr3_wkt = """PROJCS["unnamed",
    GEOGCS["RGF93",
        DATUM["Reseau_Geodesique_Francais_1993",
            SPHEROID["GRS 1980",6378137,298.257222101,
                AUTHORITY["EPSG","7019"]],
            TOWGS84[0,0,0,0,0,0,0],
            AUTHORITY["EPSG","6171"]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4171"]],
    PROJECTION["Lambert_Conformal_Conic_2SP"],
    PARAMETER["standard_parallel_1",46.4567],
    PARAMETER["standard_parallel_2",46.4567],
    PARAMETER["latitude_of_origin",46.4567],
    PARAMETER["central_meridian",3],
    PARAMETER["false_easting",700000],
    PARAMETER["false_northing",6637093.292952879],
    UNIT["metre",1],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH]]"""
    expected_sr3 = osr.SpatialReference()
    expected_sr3.ImportFromWkt(expected_sr3_wkt)
    assert sr3.IsSame(expected_sr3) != 0

###############################################################################
# Test LCC_1SP -> LCC_2SP -> LCC_1SP


def test_osr_basic_23():

    sr = osr.SpatialReference()
    sr.SetFromUserInput("""PROJCS["unnamed",
    GEOGCS["NTF (Paris)",
        DATUM["Nouvelle_Triangulation_Francaise_Paris",
            SPHEROID["Clarke 1880 (IGN)",6378249.2,293.4660212936269,
                AUTHORITY["EPSG","7011"]],
            TOWGS84[-168,-60,320,0,0,0,0],
            AUTHORITY["EPSG","6807"]],
        PRIMEM["Paris",2.33722917,
            AUTHORITY["EPSG","8903"]],
        UNIT["grad",0.01570796326794897,
            AUTHORITY["EPSG","9105"]],
        AUTHORITY["EPSG","4807"]],
    PROJECTION["Lambert_Conformal_Conic_1SP"],
    PARAMETER["latitude_of_origin",46.85],
    PARAMETER["central_meridian",0],
    PARAMETER["scale_factor",0.99994471],
    PARAMETER["false_easting",234.358],
    PARAMETER["false_northing",4185861.369],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["X",EAST],
    AXIS["Y",NORTH],
    AUTHORITY["EPSG","27584"]]""")

    sr2 = sr.ConvertToOtherProjection(osr.SRS_PT_LAMBERT_CONFORMAL_CONIC_2SP)
    expected_sr2_wkt = """PROJCS["unnamed",
    GEOGCS["NTF (Paris)",
        DATUM["Nouvelle_Triangulation_Francaise_Paris",
            SPHEROID["Clarke 1880 (IGN)",6378249.2,293.4660212936269,
                AUTHORITY["EPSG","7011"]],
            TOWGS84[-168,-60,320,0,0,0,0],
            AUTHORITY["EPSG","6807"]],
        PRIMEM["Paris",2.33722917,
            AUTHORITY["EPSG","8903"]],
        UNIT["grad",0.01570796326794897,
            AUTHORITY["EPSG","9105"]],
        AUTHORITY["EPSG","4807"]],
    PROJECTION["Lambert_Conformal_Conic_2SP"],
    PARAMETER["standard_parallel_1",47.51962607709162],
    PARAMETER["standard_parallel_2",46.17820871246364],
    PARAMETER["latitude_of_origin",46.85],
    PARAMETER["central_meridian",0],
    PARAMETER["false_easting",234.358],
    PARAMETER["false_northing",4185861.369],
    UNIT["metre",1],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH]]"""
    expected_sr2 = osr.SpatialReference()
    expected_sr2.ImportFromWkt(expected_sr2_wkt)

    assert sr2.IsSame(expected_sr2) != 0

    # Back to LCC_2SP
    sr3 = sr2.ConvertToOtherProjection(osr.SRS_PT_LAMBERT_CONFORMAL_CONIC_1SP)
    assert sr3.IsSame(sr) != 0

###############################################################################
# Test Mercator_1SP -> Mercator_2SP -> Mercator_1SP


def test_osr_basic_24():

    sr = osr.SpatialReference()
    sr.SetFromUserInput("""PROJCS["unnamed",
        GEOGCS["WGS 84",
            DATUM["WGS_1984",
                SPHEROID["WGS 84",6378137,298.257223563,
                    AUTHORITY["EPSG","7030"]],
                AUTHORITY["EPSG","6326"]],
            PRIMEM["Greenwich",0,
                AUTHORITY["EPSG","8901"]],
            UNIT["degree",0.0174532925199433,
                AUTHORITY["EPSG","9122"]],
            AUTHORITY["EPSG","4326"]],
        PROJECTION["Mercator_1SP"],
        PARAMETER["central_meridian",0],
        PARAMETER["scale_factor",0.5],
        PARAMETER["false_easting",0],
        PARAMETER["false_northing",0],
        UNIT["metre",1],
        AXIS["Easting",EAST],
        AXIS["Northing",NORTH]]""")

    sr2 = sr.ConvertToOtherProjection(osr.SRS_PT_MERCATOR_2SP)
    expected_sr2_wkt = """PROJCS["unnamed",
    GEOGCS["WGS 84",
        DATUM["WGS_1984",
            SPHEROID["WGS 84",6378137,298.257223563,
                AUTHORITY["EPSG","7030"]],
            AUTHORITY["EPSG","6326"]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4326"]],
    PROJECTION["Mercator_2SP"],
    PARAMETER["standard_parallel_1",60.08325228676391],
    PARAMETER["central_meridian",0],
    PARAMETER["false_easting",0],
    PARAMETER["false_northing",0],
    UNIT["metre",1],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH]]"""
    expected_sr2 = osr.SpatialReference()
    expected_sr2.ImportFromWkt(expected_sr2_wkt)

    assert sr2.IsSame(expected_sr2) != 0

    # Back to LCC_2SP
    sr3 = sr2.ConvertToOtherProjection(osr.SRS_PT_MERCATOR_1SP)
    assert sr3.IsSame(sr) != 0

###############################################################################
# Test corner cases of ConvertToOtherProjection()


def test_osr_basic_25():

    sr = osr.SpatialReference()
    sr.SetFromUserInput("""GEOGCS["WGS 84",
            DATUM["WGS_1984",
                SPHEROID["WGS 84",6378137,298.257223563]],
            PRIMEM["Greenwich",0,
                AUTHORITY["EPSG","8901"]],
            UNIT["degree",0.0174532925199433]]""")
    sr2 = sr.ConvertToOtherProjection('Mercator_1SP')
    assert sr2 is None

    sr.SetFromUserInput("""PROJCS["unnamed",
        GEOGCS["WGS 84",
            DATUM["WGS_1984",
                SPHEROID["WGS 84",6378137,298.257223563]],
            PRIMEM["Greenwich",0,
                AUTHORITY["EPSG","8901"]],
            UNIT["degree",0.0174532925199433]],
        PROJECTION["Mercator_1SP"],
        PARAMETER["central_meridian",0],
        PARAMETER["scale_factor",0.5],
        PARAMETER["false_easting",0],
        PARAMETER["false_northing",0],
        UNIT["metre",1],
        AXIS["Easting",EAST],
        AXIS["Northing",NORTH]]""")

    sr2 = sr.ConvertToOtherProjection(None)
    assert sr2 is None

    sr2 = sr.ConvertToOtherProjection('foo')
    assert sr2 is None

    sr2 = sr.ConvertToOtherProjection('Mercator_1SP')
    assert sr2.IsSame(sr) != 0

    # Mercator_1SP -> Mercator_2SP: Negative scale factor
    sr = osr.SpatialReference()
    sr.SetFromUserInput("""PROJCS["unnamed",
        GEOGCS["WGS 84",
            DATUM["WGS_1984",
                SPHEROID["WGS 84",6378137,298.257223563]],
            PRIMEM["Greenwich",0,
                AUTHORITY["EPSG","8901"]],
            UNIT["degree",0.0174532925199433]],
        PROJECTION["Mercator_1SP"],
        PARAMETER["central_meridian",0],
        PARAMETER["scale_factor",-0.5],
        PARAMETER["false_easting",0],
        PARAMETER["false_northing",0],
        UNIT["metre",1],
        AXIS["Easting",EAST],
        AXIS["Northing",NORTH]]""")
    sr2 = sr.ConvertToOtherProjection('Mercator_2SP')
    assert sr2 is None

    # Mercator_1SP -> Mercator_2SP: Invalid eccentricity
    sr = osr.SpatialReference()
    sr.SetFromUserInput("""PROJCS["unnamed",
        GEOGCS["WGS 84",
            DATUM["WGS_1984",
                SPHEROID["WGS 84",6378137,0.1]],
            PRIMEM["Greenwich",0,
                AUTHORITY["EPSG","8901"]],
            UNIT["degree",0.0174532925199433]],
        PROJECTION["Mercator_1SP"],
        PARAMETER["central_meridian",0],
        PARAMETER["scale_factor",0.5],
        PARAMETER["false_easting",0],
        PARAMETER["false_northing",0],
        UNIT["metre",1],
        AXIS["Easting",EAST],
        AXIS["Northing",NORTH]]""")
    sr2 = sr.ConvertToOtherProjection('Mercator_2SP')
    assert sr2 is None

    # Mercator_2SP -> Mercator_1SP: Invalid standard_parallel_1
    sr = osr.SpatialReference()
    sr.SetFromUserInput("""PROJCS["unnamed",
    GEOGCS["WGS 84",
        DATUM["WGS_1984",
            SPHEROID["WGS 84",6378137,298.257223563]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433]],
    PROJECTION["Mercator_2SP"],
    PARAMETER["standard_parallel_1",100],
    PARAMETER["central_meridian",0],
    PARAMETER["false_easting",0],
    PARAMETER["false_northing",0],
    UNIT["metre",1],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH]]""")
    sr2 = sr.ConvertToOtherProjection('Mercator_1SP')
    assert sr2 is None

    # Mercator_2SP -> Mercator_1SP: Invalid eccentricity
    sr = osr.SpatialReference()
    sr.SetFromUserInput("""PROJCS["unnamed",
    GEOGCS["WGS 84",
        DATUM["WGS_1984",
            SPHEROID["WGS 84",6378137,0.1]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433]],
    PROJECTION["Mercator_2SP"],
    PARAMETER["standard_parallel_1",60],
    PARAMETER["central_meridian",0],
    PARAMETER["false_easting",0],
    PARAMETER["false_northing",0],
    UNIT["metre",1],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH]]""")
    sr2 = sr.ConvertToOtherProjection('Mercator_1SP')
    assert sr2 is None

    # LCC_1SP -> LCC_2SP: Negative scale factor
    sr = osr.SpatialReference()
    sr.SetFromUserInput("""PROJCS["unnamed",
    GEOGCS["NTF (Paris)",
        DATUM["Nouvelle_Triangulation_Francaise_Paris",
            SPHEROID["Clarke 1880 (IGN)",6378249.2,293.4660212936269]],
        PRIMEM["Paris",2.33722917],
        UNIT["grad",0.01570796326794897]],
    PROJECTION["Lambert_Conformal_Conic_1SP"],
    PARAMETER["latitude_of_origin",46.85],
    PARAMETER["central_meridian",0],
    PARAMETER["scale_factor",-0.99994471],
    PARAMETER["false_easting",234.358],
    PARAMETER["false_northing",4185861.369],
    UNIT["metre",1],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH]]""")
    sr2 = sr.ConvertToOtherProjection('Lambert_Conformal_Conic_2SP')
    assert sr2 is None

    # LCC_1SP -> LCC_2SP: Invalid eccentricity
    sr = osr.SpatialReference()
    sr.SetFromUserInput("""PROJCS["unnamed",
    GEOGCS["NTF (Paris)",
        DATUM["Nouvelle_Triangulation_Francaise_Paris",
            SPHEROID["Clarke 1880 (IGN)",6378249.2,0.1]],
        PRIMEM["Paris",2.33722917],
        UNIT["grad",0.01570796326794897]],
    PROJECTION["Lambert_Conformal_Conic_1SP"],
    PARAMETER["latitude_of_origin",46.85],
    PARAMETER["central_meridian",0],
    PARAMETER["scale_factor",0.99994471],
    PARAMETER["false_easting",234.358],
    PARAMETER["false_northing",4185861.369],
    UNIT["metre",1],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH]]""")
    sr2 = sr.ConvertToOtherProjection('Lambert_Conformal_Conic_2SP')
    assert sr2 is None

    # LCC_1SP -> LCC_2SP: Invalid latitude_of_origin
    sr = osr.SpatialReference()
    sr.SetFromUserInput("""PROJCS["unnamed",
    GEOGCS["NTF (Paris)",
        DATUM["Nouvelle_Triangulation_Francaise_Paris",
            SPHEROID["Clarke 1880 (IGN)",6378249.2,293.4660212936269]],
        PRIMEM["Paris",2.33722917],
        UNIT["grad",0.01570796326794897]],
    PROJECTION["Lambert_Conformal_Conic_1SP"],
    PARAMETER["latitude_of_origin",200],
    PARAMETER["central_meridian",0],
    PARAMETER["scale_factor",0.99994471],
    PARAMETER["false_easting",234.358],
    PARAMETER["false_northing",4185861.369],
    UNIT["metre",1],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH]]""")
    sr2 = sr.ConvertToOtherProjection('Lambert_Conformal_Conic_2SP')
    assert sr2 is None

    # LCC_1SP -> LCC_2SP: latitude_of_origin == 0
    sr = osr.SpatialReference()
    sr.SetFromUserInput("""PROJCS["unnamed",
    GEOGCS["NTF (Paris)",
        DATUM["Nouvelle_Triangulation_Francaise_Paris",
            SPHEROID["Clarke 1880 (IGN)",6378249.2,293.4660212936269]],
        PRIMEM["Paris",2.33722917],
        UNIT["grad",0.01570796326794897]],
    PROJECTION["Lambert_Conformal_Conic_1SP"],
    PARAMETER["latitude_of_origin",0],
    PARAMETER["central_meridian",0],
    PARAMETER["scale_factor",0.99994471],
    PARAMETER["false_easting",234.358],
    PARAMETER["false_northing",4185861.369],
    UNIT["metre",1],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH]]""")
    sr2 = sr.ConvertToOtherProjection('Lambert_Conformal_Conic_2SP')
    assert sr2 is None

    # LCC_2SP -> LCC_1SP : Invalid standard_parallel_1
    sr.SetFromUserInput("""PROJCS["unnamed",
    GEOGCS["RGF93",
        DATUM["Reseau_Geodesique_Francais_1993",
            SPHEROID["GRS 1980",6378137,298.257222101]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433]],
    PROJECTION["Lambert_Conformal_Conic_2SP"],
    PARAMETER["standard_parallel_1",246.4567],
    PARAMETER["standard_parallel_2",46.4567],
    PARAMETER["latitude_of_origin",46.123],
    PARAMETER["central_meridian",3],
    PARAMETER["false_easting",700000],
    PARAMETER["false_northing",6600000],
    UNIT["metre",1],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH]]""")
    sr2 = sr.ConvertToOtherProjection('Lambert_Conformal_Conic_1SP')
    assert sr2 is None

    # LCC_2SP -> LCC_1SP : Invalid standard_parallel_2
    sr.SetFromUserInput("""PROJCS["unnamed",
    GEOGCS["RGF93",
        DATUM["Reseau_Geodesique_Francais_1993",
            SPHEROID["GRS 1980",6378137,298.257222101]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433]],
    PROJECTION["Lambert_Conformal_Conic_2SP"],
    PARAMETER["standard_parallel_1",46.4567],
    PARAMETER["standard_parallel_2",246.4567],
    PARAMETER["latitude_of_origin",46.123],
    PARAMETER["central_meridian",3],
    PARAMETER["false_easting",700000],
    PARAMETER["false_northing",6600000],
    UNIT["metre",1],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH]]""")
    sr2 = sr.ConvertToOtherProjection('Lambert_Conformal_Conic_1SP')
    assert sr2 is None

    # LCC_2SP -> LCC_1SP : Invalid latitude_of_origin
    sr.SetFromUserInput("""PROJCS["unnamed",
    GEOGCS["RGF93",
        DATUM["Reseau_Geodesique_Francais_1993",
            SPHEROID["GRS 1980",6378137,298.257222101]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433]],
    PROJECTION["Lambert_Conformal_Conic_2SP"],
    PARAMETER["standard_parallel_1",46.4567],
    PARAMETER["standard_parallel_2",46.4567],
    PARAMETER["latitude_of_origin",246.123],
    PARAMETER["central_meridian",3],
    PARAMETER["false_easting",700000],
    PARAMETER["false_northing",6600000],
    UNIT["metre",1],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH]]""")
    sr2 = sr.ConvertToOtherProjection('Lambert_Conformal_Conic_1SP')
    assert sr2 is None

    # LCC_2SP -> LCC_1SP : abs(stdp1) == abs(stdp2)
    sr.SetFromUserInput("""PROJCS["unnamed",
    GEOGCS["RGF93",
        DATUM["Reseau_Geodesique_Francais_1993",
            SPHEROID["GRS 1980",6378137,298.257222101]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433]],
    PROJECTION["Lambert_Conformal_Conic_2SP"],
    PARAMETER["standard_parallel_1",1],
    PARAMETER["standard_parallel_2",-1],
    PARAMETER["latitude_of_origin",10],
    PARAMETER["central_meridian",3],
    PARAMETER["false_easting",700000],
    PARAMETER["false_northing",6600000],
    UNIT["metre",1],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH]]""")
    sr2 = sr.ConvertToOtherProjection('Lambert_Conformal_Conic_1SP')
    assert sr2 is None

    # LCC_2SP -> LCC_1SP : stdp1 ~= stdp2 ~= 0
    sr.SetFromUserInput("""PROJCS["unnamed",
    GEOGCS["RGF93",
        DATUM["Reseau_Geodesique_Francais_1993",
            SPHEROID["GRS 1980",6378137,298.257222101]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433]],
    PROJECTION["Lambert_Conformal_Conic_2SP"],
    PARAMETER["standard_parallel_1",.0000000000000001],
    PARAMETER["standard_parallel_2",.0000000000000002],
    PARAMETER["latitude_of_origin",10],
    PARAMETER["central_meridian",3],
    PARAMETER["false_easting",700000],
    PARAMETER["false_northing",6600000],
    UNIT["metre",1],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH]]""")
    sr2 = sr.ConvertToOtherProjection('Lambert_Conformal_Conic_1SP')
    assert sr2 is None

    # LCC_2SP -> LCC_1SP : Invalid eccentricity
    sr.SetFromUserInput("""PROJCS["unnamed",
    GEOGCS["RGF93",
        DATUM["Reseau_Geodesique_Francais_1993",
            SPHEROID["GRS 1980",6378137,0.1]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433]],
    PROJECTION["Lambert_Conformal_Conic_2SP"],
    PARAMETER["standard_parallel_1",46.4567],
    PARAMETER["standard_parallel_2",46.4567],
    PARAMETER["latitude_of_origin",46.123],
    PARAMETER["central_meridian",3],
    PARAMETER["false_easting",700000],
    PARAMETER["false_northing",6600000],
    UNIT["metre",1],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH]]""")
    sr2 = sr.ConvertToOtherProjection('Lambert_Conformal_Conic_1SP')
    assert sr2 is None

###############################################################################
# EPSG 4979, but overridden to be in Feet.


def test_osr_basic_26():

    srs = osr.SpatialReference()

    srs.ImportFromEPSG(4979)

    srs.SetLinearUnits('Foot', 0.3048)

    assert srs.GetLinearUnits() == 0.3048

###############################################################################
# Test corner cases of osr.SetGeocCS()


def test_osr_basic_setgeogcs():

    sr = osr.SpatialReference()
    sr.SetGeogCS(None, None, None, 1, 2, None, 0, None, 0)
    assert sr.ExportToWkt() == 'GEOGCS["unnamed",DATUM["unnamed",SPHEROID["unnamed",1,2]],PRIMEM["Reference meridian",0],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AXIS["Latitude",NORTH],AXIS["Longitude",EAST]]'

    sr.SetGeogCS('a', 'b', 'c', 1, 2, 'd', 3, 'e', 4)
    assert sr.ExportToWkt() == 'GEOGCS["a",DATUM["b",SPHEROID["c",1,2]],PRIMEM["d",3],UNIT["e",4],AXIS["Latitude",NORTH],AXIS["Longitude",EAST]]'

    sr.SetUTM(31)
    sr.SetGeogCS(None, None, None, 1, 2, None, 0, None, 0)
    assert sr.ExportToWkt() == 'PROJCS["unnamed",GEOGCS["unnamed",DATUM["unnamed",SPHEROID["unnamed",1,2]],PRIMEM["Reference meridian",0],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",3],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH]]'

###############################################################################
# Test other authorities than EPSG, e.g. IGNF:XXXX
#

def test_osr_basic_set_from_user_input_IGNF():

    srs = osr.SpatialReference()
    assert srs.SetFromUserInput("IGNF:LAMB93") == 0

    assert srs.GetAuthorityName(None) == 'IGNF' and srs.GetAuthorityCode(None) == 'LAMB93'


def test_osr_basic_set_from_user_input_IGNF_non_existing_code():

    srs = osr.SpatialReference()
    assert srs.SetFromUserInput("IGNF:non_existing_code") != 0


def test_osr_basic_set_from_user_input_non_existing_authority():

    srs = osr.SpatialReference()
    assert srs.SetFromUserInput("non_existing_auth:1234") != 0


def test_osr_basic_set_from_user_input_GEODCRS():

    srs = osr.SpatialReference()
    assert srs.SetFromUserInput("""GEODCRS["WGS 84",
    DATUM["World Geodetic System 1984",
        ELLIPSOID["WGS 84",6378137,298.257223563,
            LENGTHUNIT["metre",1]]],
    PRIMEM["Greenwich",0,
        ANGLEUNIT["degree",0.0174532925199433]],
    CS[ellipsoidal,2],
        AXIS["geodetic latitude (Lat)",north,
            ORDER[1],
            ANGLEUNIT["degree",0.0174532925199433]],
        AXIS["geodetic longitude (Lon)",east,
            ORDER[2],
            ANGLEUNIT["degree",0.0174532925199433]],
    AREA["World"],
    BBOX[-90,-180,90,180],
    ID["EPSG",4326]]""") == 0
    assert srs.Validate() == 0


def test_osr_basic_set_from_user_input_GEOGCRS():

    srs = osr.SpatialReference()
    assert srs.SetFromUserInput("""GEOGCRS["WGS 84",
    DATUM["World Geodetic System 1984",
        ELLIPSOID["WGS 84",6378137,298.257223563,
            LENGTHUNIT["metre",1]]],
    PRIMEM["Greenwich",0,
        ANGLEUNIT["degree",0.0174532925199433]],
    CS[ellipsoidal,2],
        AXIS["geodetic latitude (Lat)",north,
            ORDER[1],
            ANGLEUNIT["degree",0.0174532925199433]],
        AXIS["geodetic longitude (Lon)",east,
            ORDER[2],
            ANGLEUNIT["degree",0.0174532925199433]],
    USAGE[
        SCOPE["unknown"],
        AREA["World"],
        BBOX[-90,-180,90,180]],
    ID["EPSG",4326]]""") == 0
    assert srs.Validate() == 0


def test_osr_basic_set_from_user_input_PROJCRS():

    srs = osr.SpatialReference()
    assert srs.SetFromUserInput("""PROJCRS["WGS 84 / UTM zone 31N",
    BASEGEODCRS["WGS 84",
        DATUM["World Geodetic System 1984",
            ELLIPSOID["WGS 84",6378137,298.257223563,
                LENGTHUNIT["metre",1]]],
        PRIMEM["Greenwich",0,
            ANGLEUNIT["degree",0.0174532925199433]]],
    CONVERSION["UTM zone 31N",
        METHOD["Transverse Mercator",
            ID["EPSG",9807]],
        PARAMETER["Latitude of natural origin",0,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8801]],
        PARAMETER["Longitude of natural origin",3,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8802]],
        PARAMETER["Scale factor at natural origin",0.9996,
            SCALEUNIT["unity",1],
            ID["EPSG",8805]],
        PARAMETER["False easting",500000,
            LENGTHUNIT["metre",1],
            ID["EPSG",8806]],
        PARAMETER["False northing",0,
            LENGTHUNIT["metre",1],
            ID["EPSG",8807]]],
    CS[Cartesian,2],
        AXIS["(E)",east,
            ORDER[1],
            LENGTHUNIT["metre",1]],
        AXIS["(N)",north,
            ORDER[2],
            LENGTHUNIT["metre",1]],
    AREA["World - N hemisphere - 0°E to 6°E - by country"],
    BBOX[0,0,84,6],
    ID["EPSG",32631]]""") == 0
    assert srs.Validate() == 0


def test_osr_basic_set_from_user_input_COMPOUNDCRS():

    srs = osr.SpatialReference()
    assert srs.SetFromUserInput("""COMPOUNDCRS["KKJ / Finland Uniform Coordinate System + N60 height",
    PROJCRS["KKJ / Finland Uniform Coordinate System",
        BASEGEODCRS["KKJ",
            DATUM["Kartastokoordinaattijarjestelma (1966)",
                ELLIPSOID["International 1924",6378388,297,
                    LENGTHUNIT["metre",1]]],
            PRIMEM["Greenwich",0,
                ANGLEUNIT["degree",0.0174532925199433]]],
        CONVERSION["Finland Uniform Coordinate System",
            METHOD["Transverse Mercator",
                ID["EPSG",9807]],
            PARAMETER["Latitude of natural origin",0,
                ANGLEUNIT["degree",0.0174532925199433],
                ID["EPSG",8801]],
            PARAMETER["Longitude of natural origin",27,
                ANGLEUNIT["degree",0.0174532925199433],
                ID["EPSG",8802]],
            PARAMETER["Scale factor at natural origin",1,
                SCALEUNIT["unity",1],
                ID["EPSG",8805]],
            PARAMETER["False easting",3500000,
                LENGTHUNIT["metre",1],
                ID["EPSG",8806]],
            PARAMETER["False northing",0,
                LENGTHUNIT["metre",1],
                ID["EPSG",8807]]],
        CS[Cartesian,2],
            AXIS["northing (X)",north,
                ORDER[1],
                LENGTHUNIT["metre",1]],
            AXIS["easting (Y)",east,
                ORDER[2],
                LENGTHUNIT["metre",1]]],
    VERTCRS["N60 height",
        VDATUM["Helsinki 1960"],
        CS[vertical,1],
            AXIS["gravity-related height (H)",up,
                LENGTHUNIT["metre",1]]],
    AREA["Finland - onshore"],
    BBOX[59.75,19.24,70.09,31.59],
    ID["EPSG",3901]]""") == 0
    assert srs.Validate() == 0


def test_osr_basic_export_to_sfsql():

    sr = osr.SpatialReference()
    sr.SetWellKnownGeogCS('WGS84')
    assert sr.ExportToWkt(['FORMAT=SFSQL']) == 'GEOGCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433]]'



def test_osr_basic_export_to_wkt1_esri():

    sr = osr.SpatialReference()
    sr.SetWellKnownGeogCS('WGS84')
    assert sr.ExportToWkt(['FORMAT=WKT1_ESRI']) == 'GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]'


def test_osr_basic_export_to_wkt1_gdal():

    sr = osr.SpatialReference()
    sr.SetWellKnownGeogCS('WGS84')
    assert sr.ExportToWkt(['FORMAT=WKT1_GDAL']) == 'GEOGCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AXIS["Latitude",NORTH],AXIS["Longitude",EAST],AUTHORITY["EPSG","4326"]]'


def test_osr_basic_export_to_wkt2_2015():

    sr = osr.SpatialReference()
    sr.SetWellKnownGeogCS('WGS84')
    assert sr.ExportToWkt(['FORMAT=WKT2_2015']) == 'GEODCRS["WGS 84",DATUM["World Geodetic System 1984",ELLIPSOID["WGS 84",6378137,298.257223563,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],CS[ellipsoidal,2],AXIS["geodetic latitude (Lat)",north,ORDER[1],ANGLEUNIT["degree",0.0174532925199433]],AXIS["geodetic longitude (Lon)",east,ORDER[2],ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",4326]]'


def test_osr_basic_export_to_wkt2_2018():

    sr = osr.SpatialReference()
    sr.SetWellKnownGeogCS('WGS84')
    assert sr.ExportToWkt(['FORMAT=WKT2_2018']) == 'GEOGCRS["WGS 84",DATUM["World Geodetic System 1984",ELLIPSOID["WGS 84",6378137,298.257223563,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],CS[ellipsoidal,2],AXIS["geodetic latitude (Lat)",north,ORDER[1],ANGLEUNIT["degree",0.0174532925199433]],AXIS["geodetic longitude (Lon)",east,ORDER[2],ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",4326]]'


def test_osr_get_name():

    sr = osr.SpatialReference()
    assert sr.GetName() is None
    sr.SetWellKnownGeogCS('WGS84')
    assert sr.GetName() == 'WGS 84'


def test_SetPROJSearchPath():

    # OSRSetPROJSearchPaths() is only taken into priority over other methods
    # starting with PROJ >= 6.1
    if not(osr.GetPROJVersionMajor() > 6 or osr.GetPROJVersionMinor() >= 1):
        pytest.skip()

    # Do the test in a new thread, so that SetPROJSearchPath() is taken
    # into account
    def threaded_function(arg):
        sr = osr.SpatialReference()
        with gdaltest.error_handler():
            arg[0] = sr.ImportFromEPSG(32631)

    try:
        arg = [ -1 ]

        thread = Thread(target = threaded_function, args = (arg, ))
        thread.start()
        thread.join()
        assert arg[0] == 0

        osr.SetPROJSearchPath('/i_do/not/exist')

        thread = Thread(target = threaded_function, args = (arg, ))
        thread.start()
        thread.join()
        assert arg[0] > 0
    finally:
        # Cancel search path (we can't call SetPROJSearchPath(None))
        osr.SetPROJSearchPaths([])

    sr = osr.SpatialReference()
    assert sr.ImportFromEPSG(32631) == 0


def test_osr_import_projjson():

    sr = osr.SpatialReference()
    projjson = '{"$schema":"https://proj.org/schemas/v0.1/projjson.schema.json","type":"GeographicCRS","name":"WGS 84","datum":{"type":"GeodeticReferenceFrame","name":"World Geodetic System 1984","ellipsoid":{"name":"WGS 84","semi_major_axis":6378137,"inverse_flattening":298.257223563}},"coordinate_system":{"subtype":"ellipsoidal","axis":[{"name":"Geodetic latitude","abbreviation":"Lat","direction":"north","unit":"degree"},{"name":"Geodetic longitude","abbreviation":"Lon","direction":"east","unit":"degree"}]},"area":"World","bbox":{"south_latitude":-90,"west_longitude":-180,"north_latitude":90,"east_longitude":180},"id":{"authority":"EPSG","code":4326}}'
    with gdaltest.error_handler():
        ret = sr.SetFromUserInput(projjson)
        if osr.GetPROJVersionMajor() > 6 or osr.GetPROJVersionMinor() >= 2:
            assert ret == 0

    broken_projjson = projjson[0:-10]
    with gdaltest.error_handler():
        assert sr.SetFromUserInput(broken_projjson) != 0


def test_osr_export_projjson():

    sr = osr.SpatialReference()
    sr.SetFromUserInput('WGS84')

    if not(osr.GetPROJVersionMajor() > 6 or osr.GetPROJVersionMinor() >= 2):
        with gdaltest.error_handler():
            sr.ExportToPROJJSON()
        pytest.skip()

    assert sr.ExportToPROJJSON() != ''


def test_osr_promote_to_3D():

    sr = osr.SpatialReference()
    sr.SetFromUserInput('WGS84')

    if not(osr.GetPROJVersionMajor() > 6 or osr.GetPROJVersionMinor() >= 3):
        with gdaltest.error_handler():
            sr.PromoteTo3D()
        pytest.skip()

    assert sr.PromoteTo3D() == 0
    assert sr.GetAuthorityCode(None) == '4979'

    assert sr.DemoteTo2D() == 0
    assert sr.GetAuthorityCode(None) == '4326'


def test_osr_SetVerticalPerspective():

    sr = osr.SpatialReference()
    sr.SetVerticalPerspective(1, 2, 0, 3, 4, 5)
    assert sr.ExportToProj4() == '+proj=nsper +lat_0=1 +lon_0=2 +h=3 +x_0=4 +y_0=5 +datum=WGS84 +units=m +no_defs'
    if osr.GetPROJVersionMajor() > 6 or osr.GetPROJVersionMinor() >= 3:
        assert sr.GetAttrValue('PROJECTION') in 'Vertical Perspective'
        assert sr.GetNormProjParm('Longitude of topocentric origin') == 2


def test_osr_create_in_one_thread_destroy_in_other():
    def threaded_function(arg):
        sr = osr.SpatialReference()
        sr.ImportFromEPSG(32631)
        arg[0] = sr

    arg = [ None ]

    thread = Thread(target = threaded_function, args = (arg, ))
    thread.start()
    thread.join()
    assert arg[0]
    del arg[0]


def test_osr_SpatialReference_invalid_wkt_in_constructor():

    with pytest.raises(RuntimeError):
        osr.SpatialReference('invalid')


###############################################################################
# Check GetUTMZone() on a Projected 3D CRS

def test_osr_GetUTMZone_Projected3D():

    utm_srs = osr.SpatialReference()
    # Southern hemisphere
    utm_srs.SetUTM(11, 0)
    utm_srs.SetWellKnownGeogCS('WGS84')

    assert utm_srs.GetUTMZone() == -11

    utm_srs.PromoteTo3D()

    assert utm_srs.GetUTMZone() == -11


###############################################################################
# Check GetProjParm() on a Projected 3D CRS

def test_osr_GetProjParm_Projected3D():

    utm_srs = osr.SpatialReference()
    # Southern hemisphere
    utm_srs.SetUTM(11, 0)
    utm_srs.SetWellKnownGeogCS('WGS84')
    utm_srs.PromoteTo3D()

    parm_list = \
        [(osr.SRS_PP_CENTRAL_MERIDIAN, -117.0),
         (osr.SRS_PP_LATITUDE_OF_ORIGIN, 0.0),
            (osr.SRS_PP_SCALE_FACTOR, 0.9996),
            (osr.SRS_PP_FALSE_EASTING, 500000.0),
            (osr.SRS_PP_FALSE_NORTHING, 10000000.0)]

    for param in parm_list:
        value = utm_srs.GetProjParm(param[0], -1111)
        assert value == pytest.approx(param[1], abs=.00000000000010), ('got %g for %s instead of %g.'
                                 % (value, param[0], param[1]))


###############################################################################
def test_SetPROJAuxDbPaths():
    # This test use auxiliary database created with proj 6.3.2
    # (tested up to 8.0.0) and can be sensitive to future
    # database structure change.
    #
    # See PR https://github.com/OSGeo/gdal/pull/3590
    subprocess.check_call(
        [sys.executable, 'osr_basic_subprocess.py'],
        env=os.environ.copy())



###############################################################################
# Test IsDynamic()


def test_osr_basic_is_dynamic():

    if osr.GetPROJVersionMajor() * 100 + osr.GetPROJVersionMinor() < 702:
        pytest.skip('requires PROJ 7.2 or later')

    srs = osr.SpatialReference()
    srs.ImportFromEPSG(7665) # WGS 84 (G1762) (3D)
    assert srs.IsDynamic()

    srs = osr.SpatialReference()
    srs.ImportFromEPSG(4171) # RGF93
    assert not srs.IsDynamic()

    srs = osr.SpatialReference()
    srs.ImportFromEPSG(4326) # WGS84 (generic), using datum ensemble
    assert srs.IsDynamic()

    srs = osr.SpatialReference()
    srs.SetFromUserInput("+proj=longlat +ellps=GRS80 +towgs84=0,0,0")
    assert not srs.IsDynamic()

    srs = osr.SpatialReference()
    srs.ImportFromEPSG(4258) # ETRS89 (generic), using datum ensemble
    assert not srs.IsDynamic()

    srs = osr.SpatialReference()
    srs.SetFromUserInput("""GEOGCS["WGS 84",
    DATUM["WGS_1984",
        SPHEROID["WGS 84",6378137,298.257223563,
            AUTHORITY["EPSG","7030"]],
        AUTHORITY["EPSG","6326"]],
    PRIMEM["Greenwich",0,
        AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,
        AUTHORITY["EPSG","9122"]],
    AXIS["Latitude",NORTH],
    AXIS["Longitude",EAST],
    AUTHORITY["EPSG","4326"]]""")
    assert srs.IsDynamic()

    srs = osr.SpatialReference()
    srs.SetFromUserInput('EPSG:9057+3855') # WGS 84 (G1762) + EGM2008 height
    assert srs.IsDynamic()


###############################################################################
# Test SetCoordinateEpoch() / GetCoordinateEpoch


def test_osr_basic_set_get_coordinate_epoch():

    srs = osr.SpatialReference()
    srs.SetWellKnownGeogCS("WGS84")

    srs.SetCoordinateEpoch(2021.3)
    assert srs.GetCoordinateEpoch() == 2021.3

    clone = srs.Clone()
    assert clone.GetCoordinateEpoch() == 2021.3
    assert srs.IsSame(clone)

    clone.SetCoordinateEpoch(0)
    assert not srs.IsSame(clone)
    assert srs.IsSame(clone, ['IGNORE_COORDINATE_EPOCH=YES'])


###############################################################################
# Test exporting a projection method that is WKT2-only (#4133)


def test_osr_basic_export_equal_earth_to_wkt():

    srs = osr.SpatialReference()
    srs.ImportFromEPSG(8859)
    wkt = srs.ExportToWkt()
    assert wkt
    assert wkt == srs.ExportToWkt(['FORMAT=WKT2'])
    assert 'METHOD["Equal Earth",' in wkt
    assert gdal.GetLastErrorMsg() == ''


###############################################################################
# Test too long user input


def test_osr_basic_set_from_user_input_too_long():

    srs = osr.SpatialReference()
    with gdaltest.error_handler():
        assert srs.SetFromUserInput("+proj=pipeline " + "+step +proj=longlat " * 100000) != ogr.OGRERR_NONE

    with gdaltest.error_handler():
        assert srs.SetFromUserInput("AUTO:" + "x" * 100000) != ogr.OGRERR_NONE

    with gdaltest.error_handler():
        assert srs.SetFromUserInput("http://opengis.net/def/crs/" + "x" * 100000) != ogr.OGRERR_NONE


###############################################################################
# Test GetAxesCount()


def test_osr_basic_get_axes_count():

    srs = osr.SpatialReference()
    srs.SetFromUserInput("+proj=tmerc +datum=WGS84")
    assert srs.GetAxesCount() == 2

    srs = osr.SpatialReference()
    srs.SetFromUserInput("+proj=tmerc +ellps=GRS80 +towgs84=0,0,0")
    assert srs.GetAxesCount() == 2

    srs = osr.SpatialReference()
    srs.ImportFromEPSG(4979)
    assert srs.GetAxesCount() == 3

    srs = osr.SpatialReference()
    srs.SetFromUserInput("+proj=tmerc +datum=WGS84 +geoidgrids=foo.gtx")
    assert srs.GetAxesCount() == 3


###############################################################################
# Test exporting a CRS type that is WKT2-only (#3927)


def test_osr_basic_export_derived_projected_crs_to_wkt():

    srs = osr.SpatialReference()
    srs.SetFromUserInput("""DERIVEDPROJCRS["unnamed",
    BASEPROJCRS["unnamed",
        BASEGEOGCRS["WGS 84",
            DATUM["World Geodetic System 1984",
                ELLIPSOID["WGS 84",6378137,298.257223563,
                    LENGTHUNIT["metre",1]]],
            PRIMEM["Greenwich",0,
                ANGLEUNIT["degree",0.0174532925199433]],
            ID["EPSG",4326]],
        CONVERSION["Oblique Stereographic",
            METHOD["Oblique Stereographic",
                ID["EPSG",9809]],
            PARAMETER["Latitude of natural origin",35.91600629551671,
                ANGLEUNIT["degree",0.0174532925199433],
                ID["EPSG",8801]],
            PARAMETER["Longitude of natural origin",-84.21682058830596,
                ANGLEUNIT["degree",0.0174532925199433],
                ID["EPSG",8802]],
            PARAMETER["Scale factor at natural origin",0.9999411285026271,
                SCALEUNIT["unity",1],
                ID["EPSG",8805]],
            PARAMETER["False easting",760932.0392583184,
                LENGTHUNIT["metre",1],
                ID["EPSG",8806]],
            PARAMETER["False northing",177060.0539497079,
                LENGTHUNIT["metre",1],
                ID["EPSG",8807]]]],
    DERIVINGCONVERSION["unnamed",
        METHOD["PROJ affine"],
        PARAMETER["xoff",-25.365221999119967,
            SCALEUNIT["unity",1]],
        PARAMETER["yoff",-30.51036324049346,
            SCALEUNIT["unity",1]],
        PARAMETER["zoff",31.80827133745305,
            SCALEUNIT["unity",1]],
        PARAMETER["s11",3.280833333333336,
            SCALEUNIT["unity",1]],
        PARAMETER["s12",6.938893903907228e-18,
            SCALEUNIT["unity",1]],
        PARAMETER["s13",0,
            SCALEUNIT["unity",1]],
        PARAMETER["s21",-6.938893903907228e-18,
            SCALEUNIT["unity",1]],
        PARAMETER["s22",3.280833333333336,
            SCALEUNIT["unity",1]],
        PARAMETER["s23",0,
            SCALEUNIT["unity",1]],
        PARAMETER["s31",0.000144198502849885,
            SCALEUNIT["unity",1]],
        PARAMETER["s32",-0.00016681800457995442,
            SCALEUNIT["unity",1]],
        PARAMETER["s33",3.2808333333333355,
            SCALEUNIT["unity",1]]],
        CS[Cartesian,3],
        AXIS["(E)",east,
            ORDER[1],
            LENGTHUNIT["metre",1,
                ID["EPSG",9001]]],
        AXIS["(N)",north,
            ORDER[2],
            LENGTHUNIT["metre",1,
                ID["EPSG",9001]]],
        AXIS["ellipsoidal height (h)",up,
            ORDER[3],
            LENGTHUNIT["metre",1,
                ID["EPSG",9001]]]]""")
    wkt = srs.ExportToWkt()
    assert wkt
    assert wkt == srs.ExportToWkt(['FORMAT=WKT2'])
    assert wkt.startswith('DERIVEDPROJCRS')
    assert gdal.GetLastErrorMsg() == ''


###############################################################################
# Test osr.GetPROJEnableNetwork / osr.SetPROJEnableNetwork


def test_osr_basic_proj_network():

    if osr.GetPROJVersionMajor() < 7:
        pytest.skip('requires PROJ 7 or later')
    initial_value = osr.GetPROJEnableNetwork()
    try:
        new_val = not initial_value
        osr.SetPROJEnableNetwork(new_val)
        assert osr.GetPROJEnableNetwork() == new_val
    finally:
        osr.SetPROJEnableNetwork(initial_value)

