sij/mapnik
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

unit tests - closing polygon on reprojection

Browse source
This commit is contained in:
Jiri Drbalek 2017-05-18 14:49:48 +00:00
parent 4084e670ec
commit 8d980d434e
1 changed files with 117 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

117
test/unit/vertex_adapter/transform_path_adapter.cpp Normal file
View file

@ -0,0 +1,117 @@
#include "catch.hpp"
#include <mapnik/transform_path_adapter.hpp>
#include <mapnik/geometry/correct.hpp>
#include <mapnik/vertex_adapters.hpp>
#include <mapnik/transform_path_adapter.hpp>
#include <mapnik/view_transform.hpp>
#include <mapnik/proj_transform.hpp>
#include <mapnik/projection.hpp>
TEST_CASE("transform_path_adapter") {
SECTION("polygon closing - epsg 2330") {
mapnik::geometry::polygon<double> g;
g.emplace_back();
auto & exterior = g.back();
exterior.emplace_back(88.1844308217992, 69.3553916041731);
exterior.emplace_back(88.1846166524913, 69.3552821191223);
exterior.emplace_back(88.1845090893871, 69.3553454342903);
exterior.emplace_back(88.1844308217992, 69.3553916041731);
using va_type = mapnik::geometry::polygon_vertex_adapter<double>;
using path_type = mapnik::transform_path_adapter<mapnik::view_transform, va_type>;
va_type va(g);
mapnik::box2d<double> extent(16310607, 7704513, 16310621, 7704527);
mapnik::view_transform tr(512, 512, extent);
mapnik::projection proj1("+init=epsg:2330");
mapnik::projection proj2("+init=epsg:4326");
mapnik::proj_transform prj_trans(proj1, proj2);
path_type path(tr, va, prj_trans);
double x,y;
unsigned cmd;
cmd = path.vertex(&x, &y);
CHECK( cmd == mapnik::SEG_MOVETO );
CHECK( x == Approx(110.4328050613) );
CHECK( y == Approx(20.2204537392) );
cmd = path.vertex(&x, &y);
CHECK( cmd == mapnik::SEG_LINETO );
CHECK( x == Approx(342.1220560074) );
CHECK( y == Approx(486.732225963) );
cmd = path.vertex(&x, &y);
CHECK( cmd == mapnik::SEG_LINETO );
CHECK( x == Approx(207.9962329183) );
CHECK( y == Approx(216.9376912798) );
// close
cmd = path.vertex(&x, &y);
CHECK( cmd == mapnik::SEG_CLOSE );
CHECK( x == 0 );
CHECK( y == 0 );
// end
cmd = path.vertex(&x, &y);
CHECK( cmd == mapnik::SEG_END );
CHECK( x == 0 );
CHECK( y == 0 );
}
SECTION("polygon closing - epsg 32633") {
mapnik::geometry::polygon<double> g;
g.emplace_back();
auto & exterior = g.back();
exterior.emplace_back(13, 13);
exterior.emplace_back(14, 13);
exterior.emplace_back(14, 14);
exterior.emplace_back(14, 14);
using va_type = mapnik::geometry::polygon_vertex_adapter<double>;
using path_type = mapnik::transform_path_adapter<mapnik::view_transform, va_type>;
va_type va(g);
mapnik::box2d<double> extent(166022, 0, 833978, 9329005);
mapnik::view_transform tr(512, 512, extent);
mapnik::projection proj1("+init=epsg:32633");
mapnik::projection proj2("+init=epsg:4326");
mapnik::proj_transform prj_trans(proj1, proj2);
path_type path(tr, va, prj_trans);
double x,y;
unsigned cmd;
cmd = path.vertex(&x, &y);
CHECK( cmd == mapnik::SEG_MOVETO );
CHECK( x == Approx(89.7250280748) );
CHECK( y == Approx(433.0795069885) );
cmd = path.vertex(&x, &y);
CHECK( cmd == mapnik::SEG_LINETO );
CHECK( x == Approx(172.873973465) );
CHECK( y == Approx(433.1145779929) );
cmd = path.vertex(&x, &y);
CHECK( cmd == mapnik::SEG_LINETO );
CHECK( x == Approx(173.2194366775) );
CHECK( y == Approx(427.0442504759) );
// close
cmd = path.vertex(&x, &y);
CHECK( cmd == mapnik::SEG_CLOSE );
CHECK( x == 0 );
CHECK( y == 0 );
// end
cmd = path.vertex(&x, &y);
CHECK( cmd == mapnik::SEG_END );
CHECK( x == 0 );
CHECK( y == 0 );
}
}