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107 lines
3.3 KiB
C++
107 lines
3.3 KiB
C++
/**
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* SPDX-License-Identifier: GPL-2.0-or-later
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*
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* This file is part of osm2pgsql (https://osm2pgsql.org/).
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*
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* Copyright (C) 2006-2025 by the osm2pgsql developer community.
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* For a full list of authors see the git log.
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*/
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#include <catch.hpp>
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#include "projection.hpp"
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#include "reprojection.hpp"
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TEST_CASE("projection 4326", "[NoDB]")
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{
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osmium::Location const loc{10.0, 53.0};
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int const srs = PROJ_LATLONG;
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auto const reprojection = reprojection::create_projection(srs);
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REQUIRE(reprojection->target_srs() == srs);
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REQUIRE(reprojection->target_latlon());
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auto const c = reprojection->reproject(geom::point_t{loc});
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REQUIRE(c.x() == Approx(10.0));
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REQUIRE(c.y() == Approx(53.0));
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auto const ct = reprojection->target_to_tile(c);
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REQUIRE(ct.x() == Approx(1113194.91));
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REQUIRE(ct.y() == Approx(6982997.92));
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}
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TEST_CASE("projection 3857", "[NoDB]")
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{
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osmium::Location const loc{10.0, 53.0};
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int const srs = PROJ_SPHERE_MERC;
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auto const reprojection = reprojection::create_projection(srs);
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REQUIRE(reprojection->target_srs() == srs);
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REQUIRE_FALSE(reprojection->target_latlon());
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auto const c = reprojection->reproject(geom::point_t{loc});
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REQUIRE(c.x() == Approx(1113194.91));
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REQUIRE(c.y() == Approx(6982997.92));
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auto const ct = reprojection->target_to_tile(c);
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REQUIRE(ct.x() == Approx(1113194.91));
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REQUIRE(ct.y() == Approx(6982997.92));
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}
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TEST_CASE("projection 3857 bounds", "[NoDB]")
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{
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osmium::Location const loc1{0.0, 0.0};
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osmium::Location const loc2{-180.0, -85.0511288};
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osmium::Location const loc3{180.0, 85.0511288};
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int const srs = PROJ_SPHERE_MERC;
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auto const reprojection = reprojection::create_projection(srs);
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{
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auto const c = reprojection->reproject(geom::point_t{loc1});
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REQUIRE(c.x() == Approx(0.0));
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REQUIRE(c.y() == Approx(0.0));
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auto const ct = reprojection->target_to_tile(c);
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REQUIRE(ct.x() == Approx(0.0));
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REQUIRE(ct.y() == Approx(0.0));
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}
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{
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auto const c = reprojection->reproject(geom::point_t{loc2});
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REQUIRE(c.x() == Approx(-20037508.34));
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REQUIRE(c.y() == Approx(-20037508.34));
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auto const ct = reprojection->target_to_tile(c);
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REQUIRE(ct.x() == Approx(-20037508.34));
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REQUIRE(ct.y() == Approx(-20037508.34));
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}
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{
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auto const c = reprojection->reproject(geom::point_t{loc3});
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REQUIRE(c.x() == Approx(20037508.34));
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REQUIRE(c.y() == Approx(20037508.34));
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auto const ct = reprojection->target_to_tile(c);
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REQUIRE(ct.x() == Approx(20037508.34));
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REQUIRE(ct.y() == Approx(20037508.34));
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}
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}
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#ifdef HAVE_GENERIC_PROJ
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TEST_CASE("projection 5651", "[NoDB]")
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{
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osmium::Location const loc{10.0, 53.0};
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int const srs = 5651; // ETRS89 / UTM zone 31N (N-zE)
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auto const reprojection = reprojection::create_projection(srs);
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REQUIRE(reprojection->target_srs() == srs);
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REQUIRE_FALSE(reprojection->target_latlon());
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auto const c = reprojection->reproject(geom::point_t{loc});
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REQUIRE(c.x() == Approx(31969448.78));
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REQUIRE(c.y() == Approx(5895222.39));
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auto const ct = reprojection->target_to_tile(c);
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REQUIRE(ct.x() == Approx(1113194.91));
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REQUIRE(ct.y() == Approx(6982997.92));
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}
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#endif
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