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SortKernel.cpp
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SortKernel.cpp
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/******************************************************************************
* Copyright (c) 2014, 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 "SortKernel.hpp"
#include <pdal/BufferReader.hpp>
#include <pdal/KernelSupport.hpp>
#include <pdal/StageFactory.hpp>
#include <boost/program_options.hpp>
namespace pdal
{
static PluginInfo const s_info {
"kernels.sort",
"Sort Kernel",
"http://pdal.io/kernels/kernels.sort.html" };
CREATE_STATIC_PLUGIN(SortKernel, Kernel, s_info)
SortKernel::SortKernel() :
Kernel(), m_bCompress(false), m_bForwardMetadata(false)
{}
void SortKernel::validateSwitches()
{
if (m_inputFile == "")
throw app_usage_error("--input/-i required");
if (m_outputFile == "")
throw app_usage_error("--output/-o required");
}
void SortKernel::addSwitches()
{
po::options_description* file_options =
new po::options_description("file options");
file_options->add_options()
("input,i", po::value<std::string>(&m_inputFile)->default_value(""),
"input file name")
("output,o", po::value<std::string>(&m_outputFile)->default_value(""),
"output file name")
("compress,z",
po::value<bool>(&m_bCompress)->zero_tokens()->implicit_value(true),
"Compress output data (if supported by output format)")
("metadata,m",
po::value< bool >(&m_bForwardMetadata)->implicit_value(true),
"Forward metadata (VLRs, header entries, etc) from previous stages")
;
addSwitchSet(file_options);
addPositionalSwitch("input", 1);
addPositionalSwitch("output", 1);
}
std::shared_ptr<Stage> SortKernel::makeReader(Options readerOptions)
{
if (isDebug())
{
readerOptions.add<bool>("debug", true);
uint32_t verbosity(getVerboseLevel());
if (!verbosity)
verbosity = 1;
readerOptions.add<uint32_t>("verbose", verbosity);
readerOptions.add<std::string>("log", "STDERR");
}
std::shared_ptr<Stage> stage(KernelSupport::makeReader(m_inputFile));
stage->setOptions(readerOptions);
return stage;
}
int SortKernel::execute()
{
PointContext ctx;
Options readerOptions;
readerOptions.add("filename", m_inputFile);
readerOptions.add("debug", isDebug());
readerOptions.add("verbose", getVerboseLevel());
std::shared_ptr<Stage> readerStage(makeReader(readerOptions));
// go ahead and prepare/execute on reader stage only to grab input
// PointBufferSet, this makes the input PointBuffer available to both the
// processing pipeline and the visualizer
readerStage->prepare(ctx);
PointBufferSet pbSetIn = readerStage->execute(ctx);
// the input PointBufferSet will be used to populate a BufferReader that is
// consumed by the processing pipeline
PointBufferPtr input_buffer = *pbSetIn.begin();
std::shared_ptr<BufferReader> bufferReader(new BufferReader);
bufferReader->setOptions(readerOptions);
bufferReader->addBuffer(input_buffer);
Options sortOptions;
sortOptions.add<bool>("debug", isDebug());
sortOptions.add<uint32_t>("verbose", getVerboseLevel());
StageFactory f;
std::shared_ptr<Stage> sortStage(f.createStage("filters.mortonorder"));
sortStage->setInput(bufferReader);
sortStage->setOptions(sortOptions);
Options writerOptions;
writerOptions.add("filename", m_outputFile);
setCommonOptions(writerOptions);
if (m_bCompress)
writerOptions.add("compression", true);
if (m_bForwardMetadata)
writerOptions.add("forward_metadata", true);
std::vector<std::string> cmd = getProgressShellCommand();
UserCallback *callback =
cmd.size() ? (UserCallback *)new ShellScriptCallback(cmd) :
(UserCallback *)new HeartbeatCallback();
std::shared_ptr<Stage> writer(KernelSupport::makeWriter(m_outputFile, sortStage));
// Some options are inferred by makeWriter based on filename
// (compression, driver type, etc).
writer->setOptions(writerOptions+writer->getOptions());
writer->setUserCallback(callback);
for (const auto& pi : getExtraStageOptions())
{
std::string name = pi.first;
Options options = pi.second;
std::vector<std::shared_ptr<Stage> > stages = writer->findStage(name);
for (const auto& s : stages)
{
Options opts = s->getOptions();
for (const auto& o : options.getOptions())
opts.add(o);
s->setOptions(opts);
}
}
writer->prepare(ctx);
// process the data, grabbing the PointBufferSet for visualization of the
PointBufferSet pbSetOut = writer->execute(ctx);
if (isVisualize())
visualize(*pbSetOut.begin());
//visualize(*pbSetIn.begin(), *pbSetOut.begin());
return 0;
}
} // namespace pdal