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/******************************************************************************
* Copyright (c) 2016, Howard Butler (howard@hobu.co)
*
* 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 "PyPipeline.hpp"
#ifdef PDAL_HAVE_LIBXML2
#include <pdal/XMLSchema.hpp>
#endif
#ifndef _WIN32
#include <dlfcn.h>
#endif
#include <Python.h>
#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION
#include <numpy/arrayobject.h>
#include "PyArray.hpp"
#include <pdal/Stage.hpp>
#include <pdal/pdal_features.hpp>
#include <pdal/PipelineWriter.hpp>
#include <pdal/io/NumpyReader.hpp>
namespace libpdalpython
{
using namespace pdal::python;
Pipeline::Pipeline(std::string const& json, std::vector<Array*> arrays)
{
#ifndef _WIN32
::dlopen("libpdal_base.so", RTLD_NOLOAD | RTLD_GLOBAL);
::dlopen("libpdal_plugin_reader_numpy.so", RTLD_NOLOAD | RTLD_GLOBAL);
#endif
#undef NUMPY_IMPORT_ARRAY_RETVAL
#define NUMPY_IMPORT_ARRAY_RETVAL
import_array();
m_executor = std::shared_ptr<pdal::PipelineExecutor>(new pdal::PipelineExecutor(json));
pdal::PipelineManager& manager = m_executor->getManager();
std::stringstream strm(json);
manager.readPipeline(strm);
pdal::Stage *r = manager.getStage();
if (!r)
throw pdal::pdal_error("pipeline had no stages!");
#if PDAL_VERSION_MAJOR > 1 || PDAL_VERSION_MINOR >=8
int counter = 1;
for (auto array: arrays)
{
// Create numpy reader for each array
pdal::Options options;
std::stringstream tag;
tag << "readers_numpy" << counter;
pdal::StageCreationOptions opts { "", "readers.numpy", nullptr, options, tag.str()};
pdal::Stage& reader = manager.makeReader(opts);
pdal::NumpyReader* np_reader = dynamic_cast<pdal::NumpyReader*>(&reader);
if (!np_reader)
throw pdal::pdal_error("couldn't cast reader!");
PyObject* parray = (PyObject*)array->getPythonArray();
if (!parray)
throw pdal::pdal_error("array was none!");
np_reader->setArray(parray);
r->setInput(reader);
counter++;
}
#endif
manager.validateStageOptions();
}
Pipeline::Pipeline(std::string const& json)
{
// Make the symbols in pdal_base global so that they're accessible
// to PDAL plugins. Python dlopen's this extension with RTLD_LOCAL,
// which means that without this, symbols in libpdal_base aren't available
// for resolution of symbols on future runtime linking. This is an issue
// on Apline and other Linux variants that doesn't use UNIQUE symbols
// for C++ template statics. only
#ifndef _WIN32
::dlopen("libpdal_base.so", RTLD_NOLOAD | RTLD_GLOBAL);
#endif
#undef NUMPY_IMPORT_ARRAY_RETVAL
#define NUMPY_IMPORT_ARRAY_RETVAL
import_array();
m_executor = std::shared_ptr<pdal::PipelineExecutor>(new pdal::PipelineExecutor(json));
}
Pipeline::~Pipeline()
{
}
void Pipeline::setLogLevel(int level)
{
m_executor->setLogLevel(level);
}
int Pipeline::getLogLevel() const
{
return static_cast<int>(m_executor->getLogLevel());
}
int64_t Pipeline::execute()
{
int64_t count = m_executor->execute();
return count;
}
bool Pipeline::validate()
{
return m_executor->validate();
}
std::vector<Array *> Pipeline::getArrays() const
{
std::vector<Array *> output;
if (!m_executor->executed())
throw python_error("call execute() before fetching arrays");
const pdal::PointViewSet& pvset = m_executor->getManagerConst().views();
for (auto i: pvset)
{
//ABELL - Leak?
Array *array = new pdal::python::Array;
array->update(i);
output.push_back(array);
}
return output;
}
} //namespace libpdalpython
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