110 строки
3.5 KiB
C++
110 строки
3.5 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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//
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// Project: C++ Test Suite for GDAL/OGR
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// Purpose: Test some PROJ.4 specific translation issues.
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// Ported from osr/osr_proj4.py.
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// Author: Mateusz Loskot <mateusz@loskot.net>
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//
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///////////////////////////////////////////////////////////////////////////////
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// Copyright (c) 2006, Mateusz Loskot <mateusz@loskot.net>
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/*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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****************************************************************************/
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#include "gdal_unit_test.h"
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#include "cpl_error.h"
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#include "ogr_api.h"
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#include "ogr_srs_api.h"
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#include <algorithm>
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#include <cmath>
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#include <string>
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#include "gtest_include.h"
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namespace
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{
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// Common fixture with test data
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struct test_osr_proj4 : public ::testing::Test
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{
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OGRErr err_ = OGRERR_NONE;
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OGRSpatialReferenceH srs_ = nullptr;
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void SetUp() override
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{
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srs_ = OSRNewSpatialReference(nullptr);
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ASSERT_TRUE(nullptr != srs_);
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OSRSetAxisMappingStrategy(srs_, OAMS_TRADITIONAL_GIS_ORDER);
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}
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void TearDown() override
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{
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OSRDestroySpatialReference(srs_);
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srs_ = nullptr;
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}
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};
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// Test the +k_0 flag works as well as +k when
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// consuming PROJ.4 format
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TEST_F(test_osr_proj4, k_0)
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{
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std::string wkt(
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"+proj=tmerc +lat_0=53.5000000000 +lon_0=-8.0000000000 "
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"+k_0=1.0000350000 +x_0=200000.0000000000 +y_0=250000.0000000000 "
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"+a=6377340.189000 +rf=299.324965 +towgs84=482.530,"
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"-130.596,564.557,-1.042,-0.214,-0.631,8.15");
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err_ = OSRImportFromProj4(srs_, wkt.c_str());
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ASSERT_EQ(err_, OGRERR_NONE);
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// TODO: Check max error value
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const double maxError = 0.00005; // 0.0000005
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double val = 0;
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val = OSRGetProjParm(srs_, SRS_PP_SCALE_FACTOR, -1111, &err_);
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ASSERT_EQ(err_, OGRERR_NONE);
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EXPECT_NEAR(val, 1.000035, maxError);
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}
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// Verify that we can import strings with parameter values
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// that are exponents and contain a plus sign
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TEST_F(test_osr_proj4, proj_strings_with_exponents)
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{
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std::string wkt(
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"+proj=lcc +x_0=0.6096012192024384e+06 +y_0=0 "
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"+lon_0=90dw +lat_0=42dn +lat_1=44d4'n +lat_2=42d44'n "
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"+a=6378206.400000 +rf=294.978698 +nadgrids=conus,ntv1_can.dat");
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err_ = OSRImportFromProj4(srs_, wkt.c_str());
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ASSERT_EQ(err_, OGRERR_NONE);
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const double maxError = 0.0005;
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double val = 0;
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val = OSRGetProjParm(srs_, SRS_PP_FALSE_EASTING, -1111, &err_);
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ASSERT_EQ(err_, OGRERR_NONE);
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EXPECT_NEAR(val, 609601.219, maxError);
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}
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} // namespace
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