remove test, now covered by tests at https://github.com/mapbox/mapnik-vector-tile
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Dane Springmeyer
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1ac12a4430
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aa6a06116b
1 changed files with 0 additions and 192 deletions
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#include "catch.hpp"
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#include <iostream>
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#include <vector>
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#include <algorithm>
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#include <mapnik/layer.hpp>
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#include <mapnik/feature_type_style.hpp>
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#include <mapnik/rule.hpp>
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#include <mapnik/debug.hpp>
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#include <mapnik/view_transform.hpp>
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#include <mapnik/feature.hpp>
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#include <mapnik/vertex_converters.hpp>
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#include <mapnik/wkt/wkt_factory.hpp>
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#include <mapnik/well_known_srs.hpp>
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#include <mapnik/wkt/wkt_generator_grammar.hpp>
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#include <mapnik/projection.hpp>
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#include <mapnik/proj_transform.hpp>
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// stl
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#include <stdexcept>
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#if 0 // FIXME
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struct output_geometry_backend
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{
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output_geometry_backend(mapnik::geometry_container & paths, mapnik::geometry_type::types type)
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: paths_(paths),
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type_(type) {}
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template <typename T>
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void add_path(T & path)
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{
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mapnik::vertex2d vtx(mapnik::vertex2d::no_init);
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path.rewind(0);
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std::unique_ptr<mapnik::geometry_type> geom_ptr(new mapnik::geometry_type(type_));
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while ((vtx.cmd = path.vertex(&vtx.x, &vtx.y)) != mapnik::SEG_END)
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{
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//std::cerr << vtx.x << "," << vtx.y << " cmd=" << vtx.cmd << std::endl;
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geom_ptr->push_vertex(vtx.x, vtx.y, (mapnik::CommandType)vtx.cmd);
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}
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paths_.push_back(geom_ptr.release());
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}
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mapnik::geometry_container & paths_;
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mapnik::geometry_type::types type_;
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};
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boost::optional<std::string> linestring_bbox_clipping(mapnik::box2d<double> bbox,
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std::string wkt_in)
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{
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using namespace mapnik;
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agg::trans_affine tr;
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projection src(MAPNIK_LONGLAT_PROJ);
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projection dst(MAPNIK_LONGLAT_PROJ);
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proj_transform prj_trans(src,dst);
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line_symbolizer sym;
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view_transform t(bbox.width(),bbox.height(), bbox);
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mapnik::geometry_container output_paths;
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output_geometry_backend backend(output_paths, mapnik::geometry::geometry_types::LineString);
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mapnik::context_ptr ctx = std::make_shared<mapnik::context_type>();
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mapnik::feature_impl f(ctx,0);
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vertex_converter<output_geometry_backend,clip_line_tag>
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converter(bbox, backend, sym, t, prj_trans, tr, f, attributes(), 1.0);
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converter.set<clip_line_tag>();
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mapnik::geometry_container p;
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if (!mapnik::from_wkt(wkt_in , p))
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{
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throw std::runtime_error("Failed to parse WKT");
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}
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for (geometry_type const& geom : p)
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{
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vertex_adapter va(geom);
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converter.apply(va);
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}
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using sink_type = std::back_insert_iterator<std::string>;
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std::string wkt;
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sink_type sink(wkt);
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static const mapnik::wkt::wkt_multi_generator<sink_type, mapnik::geometry_container> generator;
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if (boost::spirit::karma::generate(sink, generator, output_paths))
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{
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return boost::optional<std::string>(wkt);
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}
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return boost::optional<std::string>();
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}
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boost::optional<std::string> polygon_bbox_clipping(mapnik::box2d<double> bbox,
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std::string wkt_in)
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{
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using namespace mapnik;
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agg::trans_affine tr;
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projection src(MAPNIK_LONGLAT_PROJ);
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projection dst(MAPNIK_LONGLAT_PROJ);
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proj_transform prj_trans(src,dst);
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polygon_symbolizer sym;
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view_transform t(bbox.width(),bbox.height(), bbox);
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mapnik::geometry_container output_paths;
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output_geometry_backend backend(output_paths, mapnik::geometry::geometry_types::Polygon);
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mapnik::context_ptr ctx = std::make_shared<mapnik::context_type>();
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mapnik::feature_impl f(ctx,0);
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vertex_converter<output_geometry_backend, clip_poly_tag>
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converter(bbox, backend, sym, t, prj_trans, tr, f, attributes(), 1.0);
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converter.set<clip_poly_tag>();
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mapnik::geometry_container p;
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if (!mapnik::from_wkt(wkt_in , p))
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{
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throw std::runtime_error("Failed to parse WKT");
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}
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for (geometry_type const& geom : p)
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{
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vertex_adapter va(geom);
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converter.apply(va);
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}
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using sink_type = std::back_insert_iterator<std::string>;
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std::string wkt; // Use Python String directly ?
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sink_type sink(wkt);
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static const mapnik::wkt::wkt_multi_generator<sink_type, mapnik::geometry_container> generator;
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if (boost::spirit::karma::generate(sink, generator, output_paths))
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{
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return boost::optional<std::string>(wkt);
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}
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return boost::optional<std::string>();
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}
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#endif
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TEST_CASE("geometry converters") {
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SECTION("TODO") {
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try
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{
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#if 0
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// LineString/bbox clipping
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{
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std::string wkt_in("LineString(0 0,200 200)");
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boost::optional<std::string> result = linestring_bbox_clipping(mapnik::box2d<double>(50,50,150,150),wkt_in);
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REQUIRE(result);
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REQUIRE(*result == std::string("LineString(50 50,150 150)"));
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}
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// Polygon/bbox clipping
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{
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std::string wkt_in("Polygon((50 50,150 50,150 150,50 150,50 50))");
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boost::optional<std::string> result = polygon_bbox_clipping(mapnik::box2d<double>(50,50,150,150),wkt_in);
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REQUIRE(result);
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// TODO - the extra 50 50 is not ideal, but we enforce this result for now to prevent
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// regressions and because we don't have actionable solution to drop extra 50 50
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REQUIRE(*result == std::string("Polygon((50 50,150 50,150 150,50 150,50 50,50 50))"));
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// below is ideal, but not current result
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//REQUIRE(*result == std::string("Polygon((50 50,150 50,150 150,50 150,50 50))"));
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}
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{
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std::string wkt_in("Polygon((60 60,140 60,140 160,60 140,60 60))");
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boost::optional<std::string> result = polygon_bbox_clipping(mapnik::box2d<double>(50,50,150,150),wkt_in);
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REQUIRE(result);
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REQUIRE(*result == std::string("Polygon((60 60,140 60,140 150,100 150,60 140,60 60,60 60))"));
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//REQUIRE(*result == std::string("Polygon((60 60,140 60,140 160,60 140,60 60))"));
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}
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{
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std::string wkt_in("Polygon((0 0,10 0,10 10,0 10,0 0))");
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boost::optional<std::string> result = polygon_bbox_clipping(mapnik::box2d<double>(50,50,150,150),wkt_in);
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REQUIRE(result);
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// TODO - this is completely wrong: should not have )) and ideally should be EMPTY
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REQUIRE(*result == std::string("Polygon())"));
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}
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{
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std::string wkt_in("Polygon((0 0,100 200,200 0,0 0 ))");
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boost::optional<std::string> result = polygon_bbox_clipping(mapnik::box2d<double>(50,50,150,150),wkt_in);
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REQUIRE(result);
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REQUIRE(*result == std::string("Polygon((50 50,50 100,75 150,125 150,150 100,150 50))"));
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//REQUIRE(*result == std::string("Polygon((50 50,50 100,75 150,125 150,150 100,150 50,50 50))"));
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}
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#endif
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}
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catch (std::exception const & ex)
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{
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std::clog << ex.what() << "\n";
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REQUIRE(false);
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}
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}
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}
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