mirror of
https://github.com/boostorg/geometry.git
synced 2025-05-10 15:44:07 +00:00
252 lines
11 KiB
C++
252 lines
11 KiB
C++
// Boost.Geometry (aka GGL, Generic Geometry Library)
|
|
|
|
// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
|
|
|
|
// This file was modified by Oracle on 2013, 2014.
|
|
// Modifications copyright (c) 2013-2014 Oracle and/or its affiliates.
|
|
|
|
// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
|
|
|
|
// 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 <algorithms/test_equals.hpp>
|
|
|
|
#include <boost/geometry/geometries/geometries.hpp>
|
|
#include <boost/geometry/geometries/point_xy.hpp>
|
|
|
|
#include <boost/geometry/multi/geometries/multi_linestring.hpp>
|
|
|
|
#include <boost/geometry/multi/core/topological_dimension.hpp>
|
|
#include <boost/geometry/multi/core/point_order.hpp>
|
|
#include <boost/geometry/multi/core/closure.hpp>
|
|
#include <boost/geometry/multi/algorithms/detail/sections/sectionalize.hpp>
|
|
#include <boost/geometry/multi/algorithms/detail/overlay/get_turns.hpp>
|
|
#include <boost/geometry/multi/algorithms/equals.hpp>
|
|
#include <boost/geometry/multi/io/wkt/read.hpp>
|
|
|
|
namespace bgm = bg::model;
|
|
|
|
template <typename P>
|
|
void test_segment_segment()
|
|
{
|
|
typedef bgm::segment<P> seg;
|
|
|
|
test_geometry<seg, seg>("seg2d_1", "LINESTRING(0 0, 3 3)", "LINESTRING(0 0, 3 3)", true);
|
|
test_geometry<seg, seg>("seg2d_1", "LINESTRING(0 0, 3 3)", "LINESTRING(3 3, 0 0)", true);
|
|
|
|
test_geometry<seg, seg>("seg2d_1", "LINESTRING(0 0, 3 3)", "LINESTRING(0 0, 1 1)", false);
|
|
test_geometry<seg, seg>("seg2d_1", "LINESTRING(0 0, 3 3)", "LINESTRING(3 3, 2 2)", false);
|
|
|
|
test_geometry<seg, seg>("seg2d_1", "LINESTRING(0 0, 3 3)", "LINESTRING(1 1, 4 4)", false);
|
|
test_geometry<seg, seg>("seg2d_1", "LINESTRING(0 0, 3 3)", "LINESTRING(1 0, 2 0)", false);
|
|
}
|
|
|
|
template <typename P>
|
|
void test_linestring_linestring()
|
|
{
|
|
typedef bgm::linestring<P> ls;
|
|
|
|
test_geometry<ls, ls>("ls2d_1", "LINESTRING(1 1, 3 3)", "LINESTRING(3 3, 1 1)", true);
|
|
test_geometry<ls, ls>("ls2d_2", "LINESTRING(1 1, 3 3, 2 5)", "LINESTRING(1 1, 2 2, 3 3, 2 5)", true);
|
|
test_geometry<ls, ls>("ls2d_3", "LINESTRING(1 0, 3 3, 2 5)", "LINESTRING(1 1, 2 2, 3 3, 2 5)", false);
|
|
test_geometry<ls, ls>("ls2d_4", "LINESTRING(1 0, 3 3, 2 5)", "LINESTRING(1 1, 3 3, 2 5)", false);
|
|
test_geometry<ls, ls>("ls2d_5", "LINESTRING(0 5,5 5,10 5,10 0,5 0,5 5,5 10,10 10,15 10,15 5,10 5,10 10,10 15)",
|
|
"LINESTRING(0 5,15 5,15 10,5 10,5 0,10 0,10 15)", true);
|
|
test_geometry<ls, ls>("ls2d_6", "LINESTRING(0 5,5 5,10 5,10 10,5 10,5 5,5 0)", "LINESTRING(0 5,5 5,5 10,10 10,10 5,5 5,5 0)", true);
|
|
test_geometry<ls, ls>("ls2d_7", "LINESTRING(0 5,10 5,10 10,5 10,5 0)", "LINESTRING(0 5,5 5,5 10,10 10,10 5,5 5,5 0)", true);
|
|
test_geometry<ls, ls>("ls2d_8", "LINESTRING(0 0,5 0,5 0,6 0)", "LINESTRING(0 0,6 0)", true);
|
|
|
|
test_geometry<ls, ls>("ls2d_seg", "LINESTRING(1 1,2 2)", "LINESTRING(1 1,2 2)", true);
|
|
test_geometry<ls, ls>("ls2d_rev", "LINESTRING(1 1,2 2)", "LINESTRING(2 2,1 1)", true);
|
|
|
|
test_geometry<ls, ls>("ls2d_spike", "LINESTRING(0 0,5 0,3 0,6 0)", "LINESTRING(0 0,6 0)", true);
|
|
|
|
test_geometry<ls, ls>("ls2d_ring1", "LINESTRING(0 0,5 0,5 5,0 5,0 0)", "LINESTRING(5 5,0 5,0 0,5 0,5 5)", true);
|
|
test_geometry<ls, ls>("ls2d_ring2", "LINESTRING(0 0,5 0,5 5,0 5,0 0)", "LINESTRING(5 5,5 0,0 0,0 5,5 5)", true);
|
|
test_geometry<ls, ls>("ls2d_overl_ring1", "LINESTRING(0 0,5 0,5 5,0 5,0 0)", "LINESTRING(5 5,0 5,0 0,5 0,5 5,0 5)", true);
|
|
test_geometry<ls, ls>("ls2d_overl_ring2", "LINESTRING(0 0,5 0,5 5,0 5,0 0)", "LINESTRING(5 5,5 0,0 0,0 5,5 5,5 0)", true);
|
|
}
|
|
|
|
template <typename P>
|
|
void test_linestring_multilinestring()
|
|
{
|
|
typedef bgm::linestring<P> ls;
|
|
typedef bgm::multi_linestring<ls> mls;
|
|
|
|
test_geometry<ls, mls>("ls_mls_1", "LINESTRING(0 0,1 0,2 0)", "MULTILINESTRING((0 0,2 0))", true);
|
|
test_geometry<ls, mls>("ls_mls_1", "LINESTRING(0 0,1 0,2 0)", "MULTILINESTRING((0 0,1 0),(1 0,2 0))", true);
|
|
test_geometry<ls, mls>("ls_mls_1", "LINESTRING(0 0,2 0,4 0)", "MULTILINESTRING((0 0,2 0),(2 0,3 0),(3 0,4 0))", true);
|
|
test_geometry<ls, mls>("ls_mls_1", "LINESTRING(0 0,2 0,4 0)", "MULTILINESTRING((0 0,2 0),(2 0,3 0),(2 0,3 0),(3 0,4 0))", true);
|
|
test_geometry<ls, mls>("ls_mls_1", "LINESTRING(0 0,2 0,4 0)", "MULTILINESTRING((0 0,2 0),(3 0,4 0))", false);
|
|
|
|
test_geometry<ls, mls>("ls_mls_spike", "LINESTRING(0 0,2 0,2 2,2 0,4 0)", "MULTILINESTRING((0 0,4 0),(2 2,2 0))", true);
|
|
test_geometry<ls, mls>("ls_mls_spike", "LINESTRING(0 0,2 0,2 2,2 0,4 0)", "MULTILINESTRING((0 0,4 0),(2 2,2 -1))", false);
|
|
|
|
test_geometry<ls, mls>("ls_mls_ring1", "LINESTRING(0 0,5 0,5 5,0 5,0 0)", "MULTILINESTRING((5 5,0 5,0 0),(0 0,5 0,5 5))", true);
|
|
test_geometry<ls, mls>("ls_mls_ring2", "LINESTRING(0 0,5 0,5 5,0 5,0 0)", "MULTILINESTRING((5 5,5 0,0 0),(0 0,0 5,5 5))", true);
|
|
test_geometry<ls, mls>("ls_mls_overl_ring1", "LINESTRING(0 0,5 0,5 5,0 5,0 0)", "MULTILINESTRING((5 5,0 5,0 0),(0 0,5 0,5 5,0 5))", true);
|
|
test_geometry<ls, mls>("ls_mls_overl_ring2", "LINESTRING(0 0,5 0,5 5,0 5,0 0)", "MULTILINESTRING((5 5,5 0,0 0),(0 0,0 5,5 5,5 0))", true);
|
|
}
|
|
|
|
template <typename P>
|
|
void test_multilinestring_multilinestring()
|
|
{
|
|
typedef bgm::linestring<P> ls;
|
|
typedef bgm::multi_linestring<ls> mls;
|
|
|
|
test_geometry<mls, mls>("ls_mls_mls",
|
|
"MULTILINESTRING((0 5,10 5,10 10,5 10),(5 10,5 0,5 2),(5 2,5 5,0 5))",
|
|
"MULTILINESTRING((5 5,0 5),(5 5,5 0),(10 10,10 5,5 5,5 10,10 10))",
|
|
true);
|
|
}
|
|
|
|
template <typename P>
|
|
void test_all()
|
|
{
|
|
typedef bg::model::box<P> box;
|
|
typedef bg::model::ring<P> ring;
|
|
typedef bg::model::polygon<P> polygon;
|
|
//typedef bg::model::linestring<P> linestring;
|
|
|
|
std::string case_p1 = "POLYGON((0 0,0 2,2 2,0 0))";
|
|
|
|
test_geometry<P, P>("p1", "POINT(1 1)", "POINT(1 1)", true);
|
|
test_geometry<P, P>("p2", "POINT(1 1)", "POINT(1 2)", false);
|
|
test_geometry<box, box>("b1", "BOX(1 1,2 2)", "BOX(1 2,2 2)", false);
|
|
test_geometry<box, box>("b1", "BOX(1 2,3 4)", "BOX(1 2,3 4)", true);
|
|
|
|
// Completely equal
|
|
test_geometry<ring, ring>("poly_eq", case_p1, case_p1, true);
|
|
|
|
// Shifted
|
|
test_geometry<ring, ring>("poly_sh", "POLYGON((2 2,0 0,0 2,2 2))", case_p1, true);
|
|
test_geometry<polygon, polygon>("poly_sh2", case_p1, "POLYGON((0 2,2 2,0 0,0 2))", true);
|
|
|
|
// Extra coordinate
|
|
test_geometry<ring, ring>("poly_extra", case_p1, "POLYGON((0 0,0 2,2 2,1 1,0 0))", true);
|
|
|
|
// Shifted + extra (redundant) coordinate
|
|
test_geometry<ring, ring>("poly_shifted_extra1", "POLYGON((2 2,1 1,0 0,0 2,2 2))", case_p1, true);
|
|
|
|
// Shifted + extra (redundant) coordinate being first/last point
|
|
test_geometry<ring, ring>("poly_shifted_extra2", "POLYGON((1 1,0 0,0 2,2 2,1 1))", case_p1, true);
|
|
|
|
// Degenerate (duplicate) points
|
|
test_geometry<ring, ring>("poly_degenerate", "POLYGON((0 0,0 2,2 2,2 2,0 0))", "POLYGON((0 0,0 2,0 2,2 2,0 0))", true);
|
|
|
|
// Two different bends, same area, unequal
|
|
test_geometry<ring, ring>("poly_bends",
|
|
"POLYGON((4 0,5 3,8 4,7 7,4 8,0 4,4 0))",
|
|
"POLYGON((4 0,7 1,8 4,5 5,4 8,0 4,4 0))", false);
|
|
|
|
// Unequal (but same area)
|
|
test_geometry<ring, ring>("poly_uneq", case_p1, "POLYGON((1 1,1 3,3 3,1 1))", false);
|
|
|
|
// One having hole
|
|
test_geometry<polygon, polygon>("poly_hole", "POLYGON((0 0,0 4,4 4,0 0))", "POLYGON((0 0,0 4,4 4,0 0),(1 1,2 1,2 2,1 2,1 1))", false);
|
|
|
|
// Both having holes
|
|
test_geometry<polygon, polygon>("poly_holes",
|
|
"POLYGON((0 0,0 4,4 4,0 0),(1 1,2 1,2 2,1 2,1 1))",
|
|
"POLYGON((0 0,0 4,4 4,0 0),(1 1,2 1,2 2,1 2,1 1))", true);
|
|
|
|
// Both having holes, outer equal, inner not equal
|
|
test_geometry<polygon, polygon>("poly_uneq_holes",
|
|
"POLYGON((0 0,0 4,4 4,0 0),(1 1,2 1,2 2,1 2,1 1))",
|
|
"POLYGON((0 0,0 4,4 4,0 0),(2 2,3 2,3 3,2 3,2 2))", false);
|
|
|
|
// Both having 2 holes, equal but in different order
|
|
test_geometry<polygon, polygon>("poly_holes_diff_order",
|
|
"POLYGON((0 0,0 4,4 4,0 0),(1 1,2 1,2 2,1 2,1 1),(2 2,3 2,3 3,2 3,2 2))",
|
|
"POLYGON((0 0,0 4,4 4,0 0),(2 2,3 2,3 3,2 3,2 2),(1 1,2 1,2 2,1 2,1 1))", true);
|
|
|
|
// Both having 3 holes, equal but in different order
|
|
test_geometry<polygon, polygon>("poly_holes_diff_order_3",
|
|
"POLYGON((0 0,0 10,10 10,0 0),(1 1,2 1,2 2,1 2,1 1),(4 1,5 1,5 2,4 2,4 1),(2 2,3 2,3 3,2 3,2 2))",
|
|
"POLYGON((0 0,0 10,10 10,0 0),(4 1,5 1,5 2,4 2,4 1),(2 2,3 2,3 3,2 3,2 2),(1 1,2 1,2 2,1 2,1 1))", true);
|
|
|
|
// polygon/ring vv
|
|
test_geometry<polygon, ring>("poly_sh2_pr", case_p1, case_p1, true);
|
|
test_geometry<ring, polygon>("poly_sh2_rp", case_p1, case_p1, true);
|
|
|
|
// box/ring/poly
|
|
test_geometry<box, ring>("boxring1", "BOX(1 1,2 2)", "POLYGON((1 1,1 2,2 2,2 1,1 1))", true);
|
|
test_geometry<ring, box>("boxring2", "POLYGON((1 1,1 2,2 2,2 1,1 1))", "BOX(1 1,2 2)", true);
|
|
test_geometry<box, polygon>("boxpoly1", "BOX(1 1,2 2)", "POLYGON((1 1,1 2,2 2,2 1,1 1))", true);
|
|
test_geometry<polygon, box>("boxpoly2", "POLYGON((1 1,1 2,2 2,2 1,1 1))", "BOX(1 1,2 2)", true);
|
|
|
|
test_geometry<polygon, box>("boxpoly2", "POLYGON((1 1,1 2,2 2,2 1,1 1))", "BOX(1 1,2 3)", false);
|
|
|
|
test_geometry<polygon, polygon>("poly_holes_shifted_points",
|
|
"POLYGON((0 0,0 3,3 3,3 0,0 0),(1 1,2 1,2 2,1 2,1 1))",
|
|
"POLYGON((0 0,0 3,3 3,3 0,0 0),(2 2,1 2,1 1,2 1,2 2))", true);
|
|
|
|
test_segment_segment<P>();
|
|
test_linestring_linestring<P>();
|
|
test_linestring_multilinestring<P>();
|
|
test_multilinestring_multilinestring<P>();
|
|
}
|
|
|
|
|
|
template <typename T>
|
|
void verify()
|
|
{
|
|
T dxn1, dyn1, dxn2, dyn2;
|
|
|
|
{
|
|
T x1 = "0", y1 = "0", x2 = "3", y2 = "3";
|
|
T dx = x2 - x1, dy = y2 - y1;
|
|
T mag = sqrt(dx * dx + dy * dy);
|
|
dxn1 = dx / mag;
|
|
dyn1 = dy / mag;
|
|
}
|
|
|
|
{
|
|
T x1 = "0", y1 = "0", x2 = "1", y2 = "1";
|
|
T dx = x2 - x1, dy = y2 - y1;
|
|
T mag = sqrt(dx * dx + dy * dy);
|
|
dxn2 = dx / mag;
|
|
dyn2 = dy / mag;
|
|
}
|
|
|
|
if (dxn1 == dxn2 && dyn1 == dyn2)
|
|
{
|
|
//std::cout << "vectors are equal, using ==" << std::endl;
|
|
}
|
|
if (boost::geometry::math::equals(dxn1, dxn2)
|
|
&& boost::geometry::math::equals(dyn1, dyn2))
|
|
{
|
|
//std::cout << "vectors are equal, using bg::math::equals" << std::endl;
|
|
}
|
|
|
|
bool equals = boost::geometry::math::equals_with_epsilon(dxn1, dxn2)
|
|
&& boost::geometry::math::equals_with_epsilon(dyn1, dyn2);
|
|
|
|
if (equals)
|
|
{
|
|
//std::cout << "vectors are equal, using bg::math::equals_with_epsilon" << std::endl;
|
|
}
|
|
|
|
BOOST_CHECK_EQUAL(equals, true);
|
|
}
|
|
|
|
|
|
int test_main( int , char* [] )
|
|
{
|
|
//verify<double>();
|
|
#if defined(HAVE_TTMATH)
|
|
verify<ttmath_big>();
|
|
#endif
|
|
|
|
test_all<bg::model::d2::point_xy<int> >();
|
|
test_all<bg::model::d2::point_xy<double> >();
|
|
|
|
#if defined(HAVE_TTMATH)
|
|
test_all<bg::model::d2::point_xy<ttmath_big> >();
|
|
#endif
|
|
|
|
return 0;
|
|
}
|