geometry/test/srs/project_transformer.cpp

98 lines
3.0 KiB
C++

// Boost.Geometry
// Unit Test
// Copyright (c) 2017, Oracle and/or its affiliates.
// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
// Use, modification and distribution is subject to the Boost Software License,
// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#include <geometry_test_common.hpp>
#include <iostream>
#include <boost/geometry.hpp>
#include <boost/geometry/geometries/geometries.hpp>
#include <boost/geometry/strategies/transform/project_transformer.hpp>
#include <boost/geometry/io/wkt/read.hpp>
int test_main(int, char*[])
{
using namespace boost::geometry;
using namespace boost::geometry::model;
using namespace boost::geometry::srs;
using namespace bg::strategy::transform;
typedef point<double, 2, cs::geographic<degree> > point_ll;
typedef point<double, 2, cs::cartesian> point_xy;
typedef polygon<point_ll> polygon_ll;
typedef polygon<point_xy> polygon_xy;
std::cout << std::setprecision(12);
{
point_ll pt_ll(1, 1);
point_xy pt_xy(0, 0);
project_transformer<> strategy = proj4("+proj=tmerc +ellps=WGS84 +units=m");
project_forward_transformer<> strategy_f = proj4("+proj=tmerc +ellps=WGS84 +units=m");
project_inverse_transformer<> strategy_i = proj4("+proj=tmerc +ellps=WGS84 +units=m");
std::cout << wkt(pt_ll) << std::endl;
bg::transform(pt_ll, pt_xy, strategy);
std::cout << wkt(pt_xy) << std::endl;
bg::transform(pt_ll, pt_xy, strategy_f);
std::cout << wkt(pt_xy) << std::endl;
bg::transform(pt_xy, pt_ll, strategy);
std::cout << wkt(pt_ll) << std::endl;
bg::transform(pt_xy, pt_ll, strategy_i);
std::cout << wkt(pt_ll) << std::endl;
}
{
polygon_ll poly_ll;
bg::read_wkt("POLYGON((0 0, 0 1, 1 1, 1 0, 0 0))", poly_ll);
polygon_xy poly_xy;
polygon_ll poly_ll2;
project_transformer<> strategy = proj4("+proj=tmerc +ellps=WGS84 +units=m");
std::cout << wkt(poly_ll) << std::endl;
bg::transform(poly_ll, poly_xy, strategy);
std::cout << wkt(poly_xy) << std::endl;
bg::transform(poly_xy, poly_ll2, strategy);
std::cout << wkt(poly_ll2) << std::endl;
}
{
project_transformer<> strategy = epsg(2000);
project_forward_transformer<> strategy_f = epsg(2000);
project_inverse_transformer<> strategy_i = epsg(2000);
}
{
project_transformer<static_proj4<proj::tmerc, ellps::WGS84> > strategy;
project_forward_transformer<static_proj4<proj::tmerc, ellps::WGS84> > strategy_f;
project_inverse_transformer<static_proj4<proj::tmerc, ellps::WGS84> > strategy_i;
}
{
project_transformer<static_epsg<2000> > strategy;
project_forward_transformer<static_epsg<2000> > strategy_f;
project_inverse_transformer<static_epsg<2000> > strategy_i;
}
return 0;
}