mirror of
https://github.com/boostorg/geometry.git
synced 2025-05-12 14:01:47 +00:00
106 lines
5.1 KiB
C++
106 lines
5.1 KiB
C++
// Boost.Geometry (aka GGL, Generic Geometry Library)
|
|
// Unit Test
|
|
|
|
// Copyright (c) 2013 Barend Gehrels, Amsterdam, the Netherlands.
|
|
|
|
// 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 <boost/geometry.hpp>
|
|
#include <boost/geometry/geometries/geometries.hpp>
|
|
#include <boost/geometry/geometries/point_xy.hpp>
|
|
#include <boost/geometry/multi/geometries/multi_geometries.hpp>
|
|
|
|
#include <algorithms/test_difference.hpp>
|
|
|
|
|
|
template <typename P, bool ClockWise, bool Closed>
|
|
void test_spikes_in_ticket_8364()
|
|
{
|
|
// See: https://svn.boost.org/trac/boost/ticket/8364
|
|
//_TPolygon<T> polygon( "MULTIPOLYGON(((1031 1056,3232 1056,3232 2856,1031 2856)))" );
|
|
//polygon -= _TPolygon<T>( "MULTIPOLYGON(((1032 1458,1032 1212,2136 2328,3234 2220,3234 2412,2136 2646)))" );
|
|
//polygon -= _TPolygon<T>( "MULTIPOLYGON(((1032 1764,1032 1458,2136 2646,3234 2412,3234 2532,2136 2790)))" );
|
|
// RESULTS OF ABOVE IS USED IN STEP 3 BELOW
|
|
//polygon -= _TPolygon<T>( "MULTIPOLYGON(((1032 2130,1032 1764,2052 2712)),((3234 2580,2558 2690,3234 2532)),((2558 2690,2136 2790,2052 2712,2136 2760)))" ); USED IN STEP 3
|
|
//polygon -= _TPolygon<T>( "MULTIPOLYGON(((1032 2556,1032 2130,1778 2556)),((3234 2580,2136 2760,1778 2556,3234 2556)))" ); USED IN STEP 4
|
|
// NOTE: polygons below are closed and clockwise
|
|
|
|
typedef typename bg::coordinate_type<P>::type ct;
|
|
typedef bg::model::polygon<P, ClockWise, Closed> polygon;
|
|
typedef bg::model::multi_polygon<polygon> multi_polygon;
|
|
|
|
// The difference of polygons below result in a spike. The spike should be there, it is also generated in ttmath,
|
|
// and (e.g.) in SQL Server. However, using int-coordinates, the spike makes the polygon invalid. Therefore it is now (since August 2013) checked and removed.
|
|
|
|
// So using int's, the spike is removed automatically. Therefore there is one polygon less, and less points. Also area differs
|
|
test_one<polygon, multi_polygon, multi_polygon>("ticket_8364_step3",
|
|
"MULTIPOLYGON(((3232 2532,2136 2790,1032 1764,1032 1458,1032 1212,2136 2328,3232 2220,3232 1056,1031 1056,1031 2856,3232 2856,3232 2532)))",
|
|
"MULTIPOLYGON(((1032 2130,2052 2712,1032 1764,1032 2130)),((3234 2580,3234 2532,2558 2690,3234 2580)),((2558 2690,2136 2760,2052 2712,2136 2790,2558 2690)))",
|
|
if_typed<ct, int>(1, 2),
|
|
if_typed<ct, int>(15, 22),
|
|
if_typed<ct, int>(2775561.0, 2775256.487954), // SQL Server: 2775256.47588724
|
|
3,
|
|
-1, // don't check point-count
|
|
if_typed<ct, int>(7710.5, 7810.487954)); // SQL Server: 7810.48711165739
|
|
|
|
test_one<polygon, multi_polygon, multi_polygon>("ticket_8364_step4",
|
|
"MULTIPOLYGON(((2567 2688,2136 2790,2052 2712,1032 2130,1032 1764,1032 1458,1032 1212,2136 2328,3232 2220,3232 1056,1031 1056,1031 2856,3232 2856,3232 2580,2567 2688)))",
|
|
"MULTIPOLYGON(((1032 2556,1778 2556,1032 2130,1032 2556)),((3234 2580,3234 2556,1778 2556,2136 2760,3234 2580)))",
|
|
1,
|
|
if_typed<ct, int>(17, 20),
|
|
if_typed<ct, int>(2616292.0, 2616029.559567), // SQL Server: 2616029.55616044
|
|
1,
|
|
if_typed<ct, int>(9, 11),
|
|
if_typed<ct, int>(160996.0, 161054.559567)); // SQL Server: 161054.560110092
|
|
}
|
|
|
|
template <typename P, bool ClockWise, bool Closed>
|
|
void test_spikes_in_ticket_8365()
|
|
{
|
|
// See: https://svn.boost.org/trac/boost/ticket/8365
|
|
// NOTE: polygons below are closed and clockwise
|
|
|
|
typedef typename bg::coordinate_type<P>::type ct;
|
|
typedef bg::model::polygon<P, ClockWise, Closed> polygon;
|
|
typedef bg::model::multi_polygon<polygon> multi_polygon;
|
|
|
|
test_one<polygon, multi_polygon, multi_polygon>("ticket_8365_step2",
|
|
"MULTIPOLYGON(((971 2704,971 1402,4640 1402,3912 1722,3180 2376,3912 1884,4643 1402,5395 1402,5395 3353,971 3353,971 2865,1704 3348)))",
|
|
"MULTIPOLYGON(((5388 1560,4650 1722,3912 1884,4650 1398)),((2442 3186,1704 3348,966 2700,1704 3024)))",
|
|
if_typed<ct, int>(1, 2),
|
|
if_typed<ct, int>(17, 21),
|
|
if_typed<ct, int>(7974930.5, 7975207.6047877), // SQL Server:
|
|
2,
|
|
-1,
|
|
if_typed<ct, int>(199.0, 197.1047877)); // SQL Server:
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
int test_main(int, char* [])
|
|
{
|
|
test_spikes_in_ticket_8364<bg::model::d2::point_xy<double>, true, true>();
|
|
test_spikes_in_ticket_8364<bg::model::d2::point_xy<double>, false, false>();
|
|
test_spikes_in_ticket_8365<bg::model::d2::point_xy<double>, true, true>();
|
|
test_spikes_in_ticket_8365<bg::model::d2::point_xy<double>, false, false>();
|
|
|
|
test_spikes_in_ticket_8364<bg::model::d2::point_xy<int>, true, true>();
|
|
test_spikes_in_ticket_8364<bg::model::d2::point_xy<int>, false, false>();
|
|
test_spikes_in_ticket_8365<bg::model::d2::point_xy<int>, true, true >();
|
|
test_spikes_in_ticket_8365<bg::model::d2::point_xy<int>, false, false >();
|
|
|
|
#ifdef HAVE_TTMATH
|
|
std::cout << "Testing TTMATH" << std::endl;
|
|
test_spikes_in_ticket_8364<bg::model::d2::point_xy<ttmath_big>, true, true>();
|
|
test_spikes_in_ticket_8365<bg::model::d2::point_xy<ttmath_big>, true, true>();
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|