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SlpkReader.cpp
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SlpkReader.cpp
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/******************************************************************************
* Copyright (c) 2018, Kyle Mann (kyle@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 "SlpkReader.hpp"
#include "../lepcc/src/include/lepcc_c_api.h"
#include "../lepcc/src/include/lepcc_types.h"
#include "pool.hpp"
#include "SlpkExtractor.hpp"
#include <istream>
#include <cstdint>
#include <cstring>
#include <cmath>
#include <cstdio>
#include <iostream>
#include <vector>
#include <algorithm>
#include <chrono>
#include <pdal/util/FileUtils.hpp>
#include <pdal/util/ProgramArgs.hpp>
#include <pdal/util/Bounds.hpp>
#include <pdal/pdal_features.hpp>
#include <pdal/compression/LazPerfCompression.hpp>
#include <gdal.h>
namespace pdal
{
static PluginInfo const slpkInfo
{
"readers.slpk",
"SLPK Reader",
"http://pdal.io/stages/readers.slpk.html"
};
CREATE_SHARED_STAGE(SlpkReader, slpkInfo)
std::string SlpkReader::getName() const { return slpkInfo.name; }
void SlpkReader::initInfo()
{
//create temp path
std::string path = arbiter::fs::getTempPath();
//use arbiter to create new directory if doesn't already exist
std::string fullPath(path+ FileUtils::stem(
FileUtils::getFilename(m_filename)));
arbiter::fs::mkdirp(fullPath);
//un-archive the slpk archive
SlpkExtractor slpk(m_filename, fullPath);
slpk.extract();
m_filename = fullPath;
log()->get(LogLevel::Debug) << "Making directory at: " <<
fullPath << std::endl;
//unarchive and decompress the 3dscenelayer
//and create json info object
auto compressed = m_arbiter->get(m_filename
+ "/3dSceneLayer.json.gz");
std::string jsonString;
m_decomp.decompress(jsonString, compressed.data(),
compressed.size());
m_info = parse(jsonString);
if (m_info.empty())
throwError(std::string("Incorrect Json object"));
}
//fetch json because they can't make it the same type
Json::Value SlpkReader::fetchJson(std::string filepath)
{
std::string output;
auto compressed = m_arbiter->get(filepath + ".json.gz");
m_decomp.decompress<std::string>(
output,
compressed.data(),
compressed.size());
return parse(output);
}
//fetch data using arbiter to get a char vector
std::vector<char> SlpkReader::fetchBinary(std::string url,
std::string attNum, std::string ext) const
{
url += attNum + ext;
auto data(m_arbiter->getBinary(url));
if (FileUtils::extension(url) != ".gz")
return data;
std::vector<char> decomp;
m_decomp.decompress<std::vector<char>>(decomp, data.data(),
data.size());
return decomp;
}
} //namespace pdal