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/******************************************************************************
* Copyright (c) 2014, Brad 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 "RandomKernel.hpp"
#include <pdal/Stage.hpp>
namespace pdal
{
static StaticPluginInfo const s_info
{
"kernels.random",
"Random Kernel",
"http://pdal.io/apps/random.html"
};
CREATE_STATIC_KERNEL(RandomKernel, s_info)
std::string RandomKernel::getName() const { return s_info.name; }
RandomKernel::RandomKernel()
: m_bCompress(false)
, m_numPointsToWrite(0)
, m_distribution("uniform")
{
}
void RandomKernel::addSwitches(ProgramArgs& args)
{
args.add("output,o", "Output file name", m_outputFile).setPositional();
args.add("compress,z",
"Compress output data (if supported by output format)", m_bCompress);
args.add("count", "How many points should we write?", m_numPointsToWrite);
args.add("bounds", "Extent (in XYZ to clip output to)", m_bounds);
args.add("mean", "A comma-separated or quoted, space-separated list "
"of means (normal mode): \n--mean 0.0,0.0,0.0\n--mean \"0.0 0.0 0.0\"",
m_means);
args.add("stdev", "A comma-separated or quoted, space-separated list "
"of standard deviations (normal mode): \n"
"--stdev 0.0,0.0,0.0\n--stdev \"0.0 0.0 0.0\"", m_stdevs);
args.add("distribution", "Distribution (uniform / normal)", m_distribution,
"uniform");
}
int RandomKernel::execute()
{
Options readerOptions;
if (!m_bounds.empty())
readerOptions.add("bounds", m_bounds);
std::string distribution(Utils::tolower(m_distribution));
if (distribution == "uniform")
readerOptions.add("mode", "uniform");
else if (distribution == "normal")
readerOptions.add("mode", "normal");
else if (distribution == "random")
readerOptions.add("mode", "random");
else
throw pdal_error("invalid distribution: " + m_distribution);
readerOptions.add("count", m_numPointsToWrite);
Stage& reader = makeReader("", "readers.faux", readerOptions);
Options writerOptions;
if (m_bCompress)
writerOptions.add("compression", true);
Stage& writer = makeWriter(m_outputFile, reader, "", writerOptions);
ColumnPointTable table;
writer.prepare(table);
writer.execute(table);
return 0;
}
} // pdal
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