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91 lines
2.9 KiB
C++
91 lines
2.9 KiB
C++
// Boost.Geometry
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// Unit Test
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// Copyright (c) 2017, Oracle and/or its affiliates.
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// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
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// Use, modification and distribution is subject to the Boost Software License,
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#include <geometry_test_common.hpp>
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#include <iostream>
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#include <boost/geometry/srs/projection.hpp>
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#include "projection_selftest_cases.hpp"
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void test_projection(std::string const& id, std::string const& parameters,
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const LL * fwd_in, const XY * fwd_expected,
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const XY * inv_in, const LL * inv_expected)
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{
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bg::srs::projection<> prj = bg::srs::proj4(parameters);
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for (std::size_t i = 0 ; i < 4 ; ++i)
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{
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if (bg::get<0>(fwd_expected[i]) == HUGE_VAL)
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break;
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{
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XY fwd_out;
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prj.forward(fwd_in[i], fwd_out);
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bool fwd_eq = bg::math::abs(bg::get<0>(fwd_out) - bg::get<0>(fwd_expected[i])) < 1e-7
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&& bg::math::abs(bg::get<1>(fwd_out) - bg::get<1>(fwd_expected[i])) < 1e-7;
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BOOST_CHECK_MESSAGE((fwd_eq),
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std::setprecision(16) << "Result of " << id << " forward projection {"
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<< bg::wkt(fwd_out) << "} different than expected {"
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<< bg::wkt(fwd_expected[i]) << "}");
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}
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if (bg::get<0>(inv_expected[i]) == HUGE_VAL)
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break;
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{
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LL inv_out;
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prj.inverse(inv_in[i], inv_out);
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bool inv_eq = bg::math::abs(bg::get<0>(inv_out) - bg::get<0>(inv_expected[i])) < 1e-10
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&& bg::math::abs(bg::get<1>(inv_out) - bg::get<1>(inv_expected[i])) < 1e-10;
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BOOST_CHECK_MESSAGE((inv_eq),
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std::setprecision(16) << "Result of " << id << " forward projection {"
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<< bg::wkt(inv_out) << "} different than expected {"
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<< bg::wkt(inv_expected[i]) << "}");
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}
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}
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}
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void test_projections(const projection_case * cases, std::size_t n)
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{
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for (std::size_t i = 0 ; i < n ; ++i)
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{
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projection_case const& pcas = cases[i];
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if (! pcas.e_args.empty())
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{
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test_projection(pcas.e_id, pcas.e_args,
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pcas.fwd_in, pcas.e_fwd_expect,
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pcas.inv_in, pcas.e_inv_expect);
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}
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if (! pcas.s_args.empty())
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{
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test_projection(pcas.s_id, pcas.s_args,
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pcas.fwd_in, pcas.s_fwd_expect,
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pcas.inv_in, pcas.s_inv_expect);
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}
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}
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}
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int test_main(int, char*[])
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{
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test_projections(projection_cases, sizeof(projection_cases)/sizeof(projection_case));
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return 0;
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}
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