105 lines
3.8 KiB
C++
105 lines
3.8 KiB
C++
/*
|
|
|
|
Copyright (c) 2014, Project OSRM contributors
|
|
All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without modification,
|
|
are permitted provided that the following conditions are met:
|
|
|
|
Redistributions of source code must retain the above copyright notice, this list
|
|
of conditions and the following disclaimer.
|
|
Redistributions in binary form must reproduce the above copyright notice, this
|
|
list of conditions and the following disclaimer in the documentation and/or
|
|
other materials provided with the distribution.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
|
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
|
|
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
|
|
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
*/
|
|
|
|
#include "engine/douglas_peucker.hpp"
|
|
#include "engine/segment_information.hpp"
|
|
|
|
#include <boost/test/unit_test.hpp>
|
|
#include <boost/test/test_case_template.hpp>
|
|
|
|
#include <osrm/coordinate.hpp>
|
|
|
|
#include <vector>
|
|
|
|
BOOST_AUTO_TEST_SUITE(douglas_peucker)
|
|
|
|
SegmentInformation getTestInfo(int lat, int lon, bool necessary)
|
|
{
|
|
return SegmentInformation(FixedPointCoordinate(lat, lon), 0, 0, 0, TurnInstruction::HeadOn,
|
|
necessary, false, 0);
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(all_necessary_test)
|
|
{
|
|
/*
|
|
* x
|
|
* / \
|
|
* x \
|
|
* / \
|
|
* x x
|
|
*/
|
|
std::vector<SegmentInformation> info = {getTestInfo(5, 5, true),
|
|
getTestInfo(6, 6, true),
|
|
getTestInfo(10, 10, true),
|
|
getTestInfo(5, 15, true)};
|
|
DouglasPeucker dp;
|
|
for (unsigned z = 0; z < DOUGLAS_PEUCKER_THRESHOLDS.size(); z++)
|
|
{
|
|
dp.Run(info, z);
|
|
for (const auto &i : info)
|
|
{
|
|
BOOST_CHECK_EQUAL(i.necessary, true);
|
|
}
|
|
}
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(remove_second_node_test)
|
|
{
|
|
DouglasPeucker dp;
|
|
for (unsigned z = 0; z < DOUGLAS_PEUCKER_THRESHOLDS.size(); z++)
|
|
{
|
|
/*
|
|
* x--x
|
|
* | \
|
|
* x-x x
|
|
* |
|
|
* x
|
|
*/
|
|
std::vector<SegmentInformation> info = {
|
|
getTestInfo(5 * COORDINATE_PRECISION, 5 * COORDINATE_PRECISION, true),
|
|
getTestInfo(5 * COORDINATE_PRECISION,
|
|
5 * COORDINATE_PRECISION + DOUGLAS_PEUCKER_THRESHOLDS[z], false),
|
|
getTestInfo(10 * COORDINATE_PRECISION, 10 * COORDINATE_PRECISION, false),
|
|
getTestInfo(10 * COORDINATE_PRECISION,
|
|
10 + COORDINATE_PRECISION + DOUGLAS_PEUCKER_THRESHOLDS[z] * 2, false),
|
|
getTestInfo(5 * COORDINATE_PRECISION, 15 * COORDINATE_PRECISION, false),
|
|
getTestInfo(5 * COORDINATE_PRECISION + DOUGLAS_PEUCKER_THRESHOLDS[z],
|
|
15 * COORDINATE_PRECISION, true),
|
|
};
|
|
BOOST_TEST_MESSAGE("Threshold (" << z << "): " << DOUGLAS_PEUCKER_THRESHOLDS[z]);
|
|
dp.Run(info, z);
|
|
BOOST_CHECK_EQUAL(info[0].necessary, true);
|
|
BOOST_CHECK_EQUAL(info[1].necessary, false);
|
|
BOOST_CHECK_EQUAL(info[2].necessary, true);
|
|
BOOST_CHECK_EQUAL(info[3].necessary, true);
|
|
BOOST_CHECK_EQUAL(info[4].necessary, false);
|
|
BOOST_CHECK_EQUAL(info[5].necessary, true);
|
|
}
|
|
}
|
|
|
|
BOOST_AUTO_TEST_SUITE_END()
|