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mapnik/test/unit/datasource/geobuf.cpp

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add geobuf unit test + update test data
2017-08-09 14:20:52 +00:00
/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
update copyright year [skip ci]
2021-01-05 14:39:07 +00:00
* Copyright (C) 2021 Artem Pavlenko
add geobuf unit test + update test data
2017-08-09 14:20:52 +00:00
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*****************************************************************************/
#include "catch.hpp"
#include "ds_test_util.hpp"
#include <mapnik/unicode.hpp>
#include <mapnik/datasource.hpp>
#include <mapnik/datasource_cache.hpp>
#include <mapnik/geometry.hpp>
#include <mapnik/geometry/geometry_type.hpp>
#include <mapnik/util/fs.hpp>
#include <cstdlib>
#include <algorithm>
#include <cctype>
#include <locale>
#include <boost/optional/optional_io.hpp>
TEST_CASE("Geobuf") {
std::string geobuf_plugin("./plugins/input/geobuf.input");
if (mapnik::util::exists(geobuf_plugin))
{
SECTION("Point")
{
//{"type":"Feature","id":1,"geometry":{"type":"Point","coordinates":[102,0.5]},"properties":{"prop0":"value0"}}
mapnik::parameters params;
params["type"] = "geobuf";
params["file"] = "./test/data/geobuf/point.geobuf";
auto ds = mapnik::datasource_cache::instance().create(params);
auto fs = all_features(ds);
auto f = fs->next();
auto const& geometry = f->get_geometry();
auto const& pt = mapnik::util::get<mapnik::geometry::point<double> >(geometry);
REQUIRE(pt.x == 102.0);
REQUIRE(pt.y == 0.5);
CHECK(fs->next() == nullptr);
}
SECTION("MultiPoint")
{
//{"type":"Feature","id":1,"geometry":{"type":"MultiPoint","coordinates":[[100,0],[101,1]]},"properties":{"prop0":"value0"}}
mapnik::parameters params;
params["type"] = "geobuf";
params["file"] = "./test/data/geobuf/multipoint.geobuf";
auto ds = mapnik::datasource_cache::instance().create(params);
auto fs = all_features(ds);
auto f = fs->next();
auto const& geometry = f->get_geometry();
auto const& mpt = mapnik::util::get<mapnik::geometry::multi_point<double> >(geometry);
CHECK(mpt.size() == 2);
REQUIRE(mpt[0].x == 100.0);
REQUIRE(mpt[0].y == 0.0);
REQUIRE(mpt[1].x == 101.0);
REQUIRE(mpt[1].y == 1.0);
CHECK(fs->next() == nullptr);
}
SECTION("LineString")
{
//{"type":"Feature","id":1,"geometry":{"type":"LineString","coordinates":[[102,0],[103,1],[104,0],[105,1]]},"properties":{"prop0":"value0","prop1":0}}
mapnik::parameters params;
params["type"] = "geobuf";
params["file"] = "./test/data/geobuf/linestring.geobuf";
auto ds = mapnik::datasource_cache::instance().create(params);
auto fs = all_features(ds);
auto f = fs->next();
auto const& geometry = f->get_geometry();
auto const& line = mapnik::util::get<mapnik::geometry::line_string<double> >(geometry);
CHECK(line.size() == 4);
REQUIRE(line[0].x == 102.0);
REQUIRE(line[0].y == 0);
REQUIRE(line[1].x == 103.0);
REQUIRE(line[1].y == 1);
REQUIRE(line[2].x == 104.0);
REQUIRE(line[2].y == 0);
REQUIRE(line[3].x == 105.0);
REQUIRE(line[3].y == 1);
CHECK(fs->next() == nullptr);
}
SECTION("MultiLineString")
{
//{"type":"Feature","id":1,"geometry":{"type":"MultiLineString","coordinates":[[[100,0],[101,1]],[[102,2],[103,3]]]},"properties":{"prop0":"value0","prop1":0}}
mapnik::parameters params;
params["type"] = "geobuf";
params["file"] = "./test/data/geobuf/multilinestring.geobuf";
auto ds = mapnik::datasource_cache::instance().create(params);
auto fs = all_features(ds);
auto f = fs->next();
auto const& geometry = f->get_geometry();
auto const& mline = mapnik::util::get<mapnik::geometry::multi_line_string<double> >(geometry);
CHECK(mline.size() == 2);
auto const& line1 = mline[0];
REQUIRE(line1[0].x == 100.0);
REQUIRE(line1[0].y == 0.0);
REQUIRE(line1[1].x == 101.0);
REQUIRE(line1[1].y == 1.0);
auto const& line2 = mline[1];
REQUIRE(line2[0].x == 102.0);
REQUIRE(line2[0].y == 2.0);
REQUIRE(line2[1].x == 103.0);
REQUIRE(line2[1].y == 3.0);
CHECK(fs->next() == nullptr);
}
SECTION("Polygon")
{
//{"type":"Feature","id":1,"geometry":{"type":"Polygon","coordinates":[[[100,0],[101,0],[101,1],[100,1],[100,0]],[[100.8,0.8],[100.8,0.2],[100.2,0.2],[100.2,0.8],[100.8,0.8]]]},"properties":{"prop0":"value0","prop1":"{\"this\":\"that\"}"}}
auto files =
{
"./test/data/geobuf/polygon.geobuf",
"./test/data/geobuf/standalone-feature.geobuf",
"./test/data/geobuf/standalone-geometry.geobuf"
};
mapnik::parameters params;
params["type"] = "geobuf";
for (auto const& filename : files)
{
params["file"] = filename;
auto ds = mapnik::datasource_cache::instance().create(params);
auto fs = all_features(ds);
auto f = fs->next();
auto const& geometry = f->get_geometry();
auto const& poly = mapnik::util::get<mapnik::geometry::polygon<double> >(geometry);
CHECK(poly.size() == 2);
auto const& exterior = poly[0];
REQUIRE(exterior[0].x == 100);
REQUIRE(exterior[0].y == 0);
REQUIRE(exterior[1].x == 101);
REQUIRE(exterior[1].y == 0);
REQUIRE(exterior[2].x == 101);
REQUIRE(exterior[2].y == 1);
REQUIRE(exterior[3].x == 100);
REQUIRE(exterior[3].y == 1);
REQUIRE(exterior[4].x == 100);
REQUIRE(exterior[4].y == 0);
auto const& interior = poly[1];
REQUIRE(interior[0].x == 100.8);
REQUIRE(interior[0].y == 0.8);
REQUIRE(interior[1].x == 100.8);
REQUIRE(interior[1].y == 0.2);
REQUIRE(interior[2].x == 100.2);
REQUIRE(interior[2].y == 0.2);
REQUIRE(interior[3].x == 100.2);
REQUIRE(interior[3].y == 0.8);
REQUIRE(interior[4].x == 100.8);
REQUIRE(interior[4].y == 0.8);
CHECK(fs->next() == nullptr);
}
}
SECTION("MultiPolygon")
{
//{"type":"Feature","id":1,"geometry":{"type":"MultiPolygon","coordinates":[[[[102,2],[103,2],[103,3],[102,3],[102,2]]],[[[100,0],[101,0],[101,1],[100,1],[100,0]],[[100.2,0.2],[100.2,0.8],[100.8,0.8],[100.8,0.2],[100.2,0.2]]]]},"properties":{"prop0":"value0","prop1":"{\"this\":\"that\"}"}}
mapnik::parameters params;
params["type"] = "geobuf";
params["file"] = "./test/data/geobuf/multipolygon.geobuf";
auto ds = mapnik::datasource_cache::instance().create(params);
auto fs = all_features(ds);
auto f = fs->next();
auto const& geometry = f->get_geometry();
auto const& mpoly = mapnik::util::get<mapnik::geometry::multi_polygon<double> >(geometry);
CHECK(mpoly.size() == 2);
{
auto const& poly = mpoly[0];
auto const& exterior = poly[0];
REQUIRE(exterior[0].x == 102);
REQUIRE(exterior[0].y == 2);
REQUIRE(exterior[1].x == 103);
REQUIRE(exterior[1].y == 2);
REQUIRE(exterior[2].x == 103);
REQUIRE(exterior[2].y == 3);
REQUIRE(exterior[3].x == 102);
REQUIRE(exterior[3].y == 3);
REQUIRE(exterior[4].x == 102);
REQUIRE(exterior[4].y == 2);
}
{
auto const& poly = mpoly[1];
auto const& exterior = poly[0];
REQUIRE(exterior[0].x == 100);
REQUIRE(exterior[0].y == 0);
REQUIRE(exterior[1].x == 101);
REQUIRE(exterior[1].y == 0);
REQUIRE(exterior[2].x == 101);
REQUIRE(exterior[2].y == 1);
REQUIRE(exterior[3].x == 100);
REQUIRE(exterior[3].y == 1);
REQUIRE(exterior[4].x == 100);
REQUIRE(exterior[4].y == 0);
auto const& interior = poly[1];
REQUIRE(interior[0].x == 100.2);
REQUIRE(interior[0].y == 0.2);
REQUIRE(interior[1].x == 100.2);
REQUIRE(interior[1].y == 0.8);
REQUIRE(interior[2].x == 100.8);
REQUIRE(interior[2].y == 0.8);
REQUIRE(interior[3].x == 100.8);
REQUIRE(interior[3].y == 0.2);
REQUIRE(interior[4].x == 100.2);
REQUIRE(interior[4].y == 0.2);
}
CHECK(fs->next() == nullptr);
}
SECTION("GeometryCollection")
{
//{"type":"Feature","id":1,"geometry":{"type":"GeometryCollection","geometries":[{"type":"Point","coordinates":[100,0]},{"type":"LineString","coordinates":[[101,0],[102,1]]}]},"properties":{"prop0":"value0","prop1":"{\"this\":\"that\"}"}}
mapnik::parameters params;
params["type"] = "geobuf";
params["file"] = "./test/data/geobuf/geometrycollection.geobuf";
auto ds = mapnik::datasource_cache::instance().create(params);
auto fs = all_features(ds);
auto f = fs->next();
auto const& geometry = f->get_geometry();
auto const& collection = mapnik::util::get<mapnik::geometry::geometry_collection<double> >(geometry);
CHECK(collection.size() == 2);
auto const& pt = mapnik::util::get<mapnik::geometry::point<double> >(collection[0]);
REQUIRE(pt.x == 100.0);
REQUIRE(pt.y == 0.0);
auto const& line = mapnik::util::get<mapnik::geometry::line_string<double> >(collection[1]);
REQUIRE(line[0].x == 101.0);
REQUIRE(line[0].y == 0.0);
REQUIRE(line[1].x == 102.0);
REQUIRE(line[1].y == 1);
CHECK(fs->next() == nullptr);
}
}
}
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