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HausdorffTest.cpp
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HausdorffTest.cpp
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/******************************************************************************
* Copyright (c) 2016, Bradley J Chambers (brad.chambers@gmail.com)
*
* 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.
* * Neither the name of Hobu, Inc. or Flaxen Geo Consulting nor the
* names of its contributors may be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* 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 OWNER 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 <string>
#include <pdal/pdal_test_main.hpp>
#include <pdal/PDALUtils.hpp>
#include <pdal/PointView.hpp>
#include "Support.hpp"
using namespace pdal;
TEST(Hausdorff, kernel)
{
std::string A = Support::datapath("autzen/autzen-thin.las");
std::string B = Support::datapath("las/autzen_trim.las");
std::string output;
const std::string cmd = Support::binpath(Support::exename("pdal")) +
" hausdorff " + A + " " + B;
EXPECT_EQ(Utils::run_shell_command(cmd, output), 0);
EXPECT_TRUE(output.find("\"hausdorff\": 4416.968175") != std::string::npos);
}
TEST(Hausdorff, distance)
{
PointTable table;
PointLayoutPtr layout(table.layout());
layout->registerDim(Dimension::Id::X);
layout->registerDim(Dimension::Id::Y);
layout->registerDim(Dimension::Id::Z);
PointViewPtr src(new PointView(table));
src->setField(Dimension::Id::X, 0, 0.0);
src->setField(Dimension::Id::Y, 0, 0.0);
src->setField(Dimension::Id::Z, 0, 0.0);
PointViewPtr cand(new PointView(table));
cand->setField(Dimension::Id::X, 0, 1.0);
cand->setField(Dimension::Id::Y, 0, 0.0);
cand->setField(Dimension::Id::Z, 0, 0.0);
cand->setField(Dimension::Id::X, 1, 0.0);
cand->setField(Dimension::Id::Y, 1, 2.0);
cand->setField(Dimension::Id::Z, 1, 0.0);
std::pair<double, double> result = Utils::computeHausdorffPair(src, cand);
EXPECT_EQ(2.0, result.first);
cand->setField(Dimension::Id::X, 1, 0.0);
cand->setField(Dimension::Id::Y, 1, 0.0);
cand->setField(Dimension::Id::Z, 1, 3.0);
result = Utils::computeHausdorffPair(src, cand);
EXPECT_EQ(3.0, result.first);
src->setField(Dimension::Id::X, 0, 1.0);
src->setField(Dimension::Id::Y, 0, 1.0);
src->setField(Dimension::Id::Z, 0, 1.0);
result = Utils::computeHausdorffPair(src, cand);
EXPECT_EQ(std::sqrt(6.0), result.first);
}