mirror of
https://github.com/boostorg/geometry.git
synced 2025-05-11 21:44:04 +00:00
e4f47a7a25
Adaptions to test with respect to new namespace model Removed GMP/CLN and, where it was present, replaced by TTMATH Small fix in comparable_distance test All testfiles use bg as alias now [SVN r66811]
74 lines
2.0 KiB
C++
74 lines
2.0 KiB
C++
// Boost.Geometry (aka GGL, Generic Geometry Library) test file
|
|
//
|
|
// Copyright Barend Gehrels 2007-2009, Geodan, Amsterdam, the Netherlands
|
|
// Copyright Bruno Lalande 2008, 2009
|
|
// 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 <geometry_test_common.hpp>
|
|
|
|
|
|
#include <boost/geometry/iterators/range_type.hpp>
|
|
#include <boost/geometry/util/as_range.hpp>
|
|
|
|
#include <boost/geometry/core/cs.hpp>
|
|
#include <boost/geometry/geometries/geometries.hpp>
|
|
|
|
#include <boost/geometry/extensions/gis/io/wkt/read_wkt.hpp>
|
|
|
|
template <int D, typename Range>
|
|
double sum(Range const& range)
|
|
{
|
|
double s = 0.0;
|
|
for (typename boost::range_const_iterator<Range>::type it = boost::begin(range);
|
|
it != boost::end(range); ++it)
|
|
{
|
|
s += bg::get<D>(*it);
|
|
}
|
|
return s;
|
|
}
|
|
|
|
template <typename G>
|
|
void test_geometry(std::string const& wkt, double expected_x, double expected_y)
|
|
{
|
|
G geometry;
|
|
|
|
// Declare a range-type, compatible with boost::range,
|
|
// such that range_iterator etc could be called
|
|
typedef typename bg::range_type<G>::type range_type;
|
|
|
|
bg::read_wkt(wkt, geometry);
|
|
|
|
double s = sum<0>(bg::as_range<range_type>(geometry));
|
|
BOOST_CHECK_CLOSE(s, expected_x, 0.001);
|
|
|
|
s = sum<1>(bg::as_range<range_type>(geometry));
|
|
BOOST_CHECK_CLOSE(s, expected_y, 0.001);
|
|
}
|
|
|
|
|
|
template <typename P>
|
|
void test_all()
|
|
{
|
|
// As-range utility should consider a geometry as a range, so
|
|
// linestring stays linestring
|
|
test_geometry<bg::model::linestring<P> >("LINESTRING(1 2,3 4)", 4, 6);
|
|
|
|
// polygon will only be outer-ring
|
|
test_geometry<bg::model::polygon<P> >("POLYGON((1 2,3 4))", 4, 6);
|
|
test_geometry<bg::model::polygon<P> >("POLYGON((1 2,3 4),(5 6,7 8,9 10))", 4, 6);
|
|
|
|
// the utility is useful for:
|
|
// - convex hull (holes do not count)
|
|
// - envelope (idem)
|
|
}
|
|
|
|
int test_main(int, char* [])
|
|
{
|
|
test_all<bg::model::point<double, 2, bg::cs::cartesian> >();
|
|
|
|
return 0;
|
|
}
|