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/******************************************************************************
* Copyright (c) 2011, Michael P. Gerlek (mpg@flaxen.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 "pdal/pdal_features.hpp"
#include "PipelineKernel.hpp"
#ifdef PDAL_HAVE_LIBXML2
#include <pdal/XMLSchema.hpp>
#endif
#include <pdal/PDALUtils.hpp>
#include <nlohmann/json.hpp>
namespace pdal
{
static StaticPluginInfo const s_info
{
"kernels.pipeline",
"Pipeline Kernel",
"http://pdal.io/apps/pipeline.html"
};
CREATE_STATIC_KERNEL(PipelineKernel, s_info)
std::string PipelineKernel::getName() const { return s_info.name; }
PipelineKernel::PipelineKernel() : m_validate(false), m_progressFd(-1)
{}
void PipelineKernel::validateSwitches(ProgramArgs& args)
{
if (m_usestdin)
m_inputFile = "STDIN";
if (m_inputFile.empty())
throw pdal_error("Input filename required.");
if (m_stream && m_noStream)
throw pdal_error("Can't execute with 'stream' and 'nostream' options");
if (m_stream)
m_mode = ExecMode::Stream;
else if (m_noStream)
m_mode = ExecMode::Standard;
else
m_mode = ExecMode::PreferStream;
}
bool PipelineKernel::isStagePrefix(const std::string& stage)
{
return Kernel::isStagePrefix(stage) || stage == "stage";
}
void PipelineKernel::addSwitches(ProgramArgs& args)
{
args.add("input,i", "Input filename", m_inputFile).setOptionalPositional();
args.add("pipeline-serialization", "Output file for pipeline serialization",
m_pipelineFile);
args.add("validate", "Validate the pipeline (including serialization), "
"but do not write points", m_validate);
args.add("progress",
"Name of file or FIFO to which stages should write progress "
"information. The file/FIFO must exist. PDAL will not create "
"the progress file.",
m_progressFile);
args.add("pointcloudschema", "dump PointCloudSchema XML output",
m_PointCloudSchemaOutput).setHidden();
args.add("stdin,s", "Read pipeline from standard input", m_usestdin);
args.add("stream", "Run in stream mode. Error if not streamable.",
m_stream);
args.add("nostream", "Run in standard mode.", m_noStream);
args.add("metadata", "Metadata filename", m_metadataFile);
}
int PipelineKernel::execute()
{
if (!Utils::fileExists(m_inputFile))
throw pdal_error("file not found: " + m_inputFile);
if (m_progressFile.size())
{
m_progressFd = Utils::openProgress(m_progressFile);
m_manager.setProgressFd(m_progressFd);
}
if (m_validate)
{
NL::json root;
// Validate the options of the pipeline we were
// given, and once we succeed, we're done
try
{
m_manager.readPipeline(m_inputFile);
m_manager.prepare();
root["valid"] = true;
root["error_detail"] = "";
root["streamable"] = m_manager.pipelineStreamable();
}
catch (pdal::pdal_error const& e)
{
root["valid"] = false;
root["error_detail"] = e.what();
root["streamable"] = false;
}
Utils::closeProgress(m_progressFd);
std::cout << root.dump(4) << "\n";
return 0;
}
m_manager.readPipeline(m_inputFile);
if (m_manager.execute(m_mode).m_mode == ExecMode::None)
throw pdal_error("Couldn't run pipeline in requested execution mode.");
if (m_metadataFile.size())
{
std::ostream *out = Utils::createFile(m_metadataFile, false);
if (!out)
throw pdal_error("Can't open file '" + m_metadataFile +
"' for metadata output.");
Utils::toJSON(m_manager.getMetadata(), *out);
Utils::closeFile(out);
}
if (m_pipelineFile.size())
PipelineWriter::writePipeline(m_manager.getStage(), m_pipelineFile);
if (m_PointCloudSchemaOutput.size() > 0)
{
#ifdef PDAL_HAVE_LIBXML2
XMLSchema schema(m_manager.pointTable().layout());
std::ostream *out = Utils::createFile(m_PointCloudSchemaOutput);
std::string xml(schema.xml());
out->write(xml.c_str(), xml.size());
Utils::closeFile(out);
#else
std::cerr << "libxml2 support not available, no schema is produced" <<
std::endl;
#endif
}
Utils::closeProgress(m_progressFd);
return 0;
}
} // pdal
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