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/***************************************************************************
*
* Project: libLAS -- C/C++ read/write library for LAS LIDAR data
* Purpose: LAS information with optional configuration
* Author: Howard Butler, hobu.inc at gmail.com
***************************************************************************
* Copyright (c) 2010, Howard Butler, hobu.inc at gmail.com
*
* See LICENSE.txt in this source distribution for more information.
**************************************************************************/
#include <liblas/liblas.hpp>
#include "laskernel.hpp"
#include <boost/cstdint.hpp>
#include <boost/foreach.hpp>
#include <locale>
using namespace liblas;
using namespace std;
liblas::Summary check_points( liblas::Reader& reader,
std::vector<liblas::FilterPtr>& filters,
std::vector<liblas::TransformPtr>& transforms,
bool verbose)
{
liblas::Summary summary;
summary.SetHeader(reader.GetHeader());
reader.SetFilters(filters);
reader.SetTransforms(transforms);
if (verbose)
std::cout << "Scanning points:"
<< "\n - : "
<< std::endl;
//
// Translation of points cloud to features set
//
boost::uint32_t i = 0;
boost::uint32_t const size = reader.GetHeader().GetPointRecordsCount();
while (reader.ReadNextPoint())
{
liblas::Point const& p = reader.GetPoint();
summary.AddPoint(p);
if (verbose)
term_progress(std::cout, (i + 1) / static_cast<double>(size));
i++;
}
if (verbose)
std::cout << std::endl;
return summary;
}
void OutputHelp( std::ostream & oss, po::options_description const& options)
{
oss << "--------------------------------------------------------------------\n";
oss << " lasinfo (" << GetFullVersion() << ")\n";
oss << "--------------------------------------------------------------------\n";
oss << options;
oss <<"\nFor more information, see the full documentation for lasinfo at:\n";
oss << " http://liblas.org/utilities/lasinfo.html\n";
oss << "----------------------------------------------------------\n";
}
void PrintVLRs(std::ostream& os, liblas::Header const& header)
{
if (!header.GetRecordsCount())
return ;
os << "---------------------------------------------------------" << std::endl;
os << " VLR Summary" << std::endl;
os << "---------------------------------------------------------" << std::endl;
typedef std::vector<VariableRecord>::size_type size_type;
for(size_type i = 0; i < header.GetRecordsCount(); i++) {
liblas::VariableRecord const& v = header.GetVLR(i);
os << v;
}
}
int main(int argc, char* argv[])
{
std::string input;
bool verbose = false;
bool check = true;
bool show_vlrs = true;
bool show_schema = true;
bool output_xml = false;
bool output_json = false;
bool show_point = false;
bool use_locale = false;
boost::uint32_t point = 0;
std::vector<liblas::FilterPtr> filters;
std::vector<liblas::TransformPtr> transforms;
liblas::Header header;
try {
po::options_description file_options("lasinfo options");
po::options_description filtering_options = GetFilteringOptions();
po::options_description header_options = GetHeaderOptions();
po::positional_options_description p;
p.add("input", 1);
p.add("output", 1);
file_options.add_options()
("help,h", "produce help message")
("input,i", po::value< string >(), "input LAS file")
("verbose,v", po::value<bool>(&verbose)->zero_tokens(), "Verbose message output")
("no-vlrs", po::value<bool>(&show_vlrs)->zero_tokens()->implicit_value(false), "Don't show VLRs")
("no-schema", po::value<bool>(&show_schema)->zero_tokens()->implicit_value(false), "Don't show schema")
("no-check", po::value<bool>(&check)->zero_tokens()->implicit_value(false), "Don't scan points")
("xml", po::value<bool>(&output_xml)->zero_tokens()->implicit_value(true), "Output as XML")
("point,p", po::value<boost::uint32_t>(&point), "Display a point with a given id. --point 44")
("locale", po::value<bool>(&use_locale)->zero_tokens()->implicit_value(true), "Use the environment's locale for output")
// --xml
// --json
// --restructured text output
;
po::variables_map vm;
po::options_description options;
options.add(file_options).add(filtering_options);
po::store(po::command_line_parser(argc, argv).
options(options).positional(p).run(), vm);
po::notify(vm);
if (vm.count("help"))
{
OutputHelp(std::cout, options);
return 1;
}
if (vm.count("point"))
{
show_point = true;
}
if (vm.count("input"))
{
input = vm["input"].as< string >();
std::ifstream ifs;
if (verbose)
std::cout << "Opening " << input << " to fetch Header" << std::endl;
if (!liblas::Open(ifs, input.c_str()))
{
std::cerr << "Cannot open " << input << " for read. Exiting..." << std::endl;
return 1;
}
liblas::ReaderFactory f;
liblas::Reader reader = f.CreateWithStream(ifs);
header = reader.GetHeader();
} else {
std::cerr << "Input LAS file not specified!\n";
OutputHelp(std::cout, options);
return 1;
}
filters = GetFilters(vm, verbose);
std::ifstream ifs;
if (!liblas::Open(ifs, input.c_str()))
{
std::cerr << "Cannot open " << input << " for read. Exiting..." << std::endl;
return false;
}
liblas::ReaderFactory f;
liblas::Reader reader = f.CreateWithStream(ifs);
if (show_point)
{
try
{
reader.ReadPointAt(point);
liblas::Point const& p = reader.GetPoint();
if (output_xml) {
liblas::property_tree::ptree tree;
tree.add_child("points.point", p.GetPTree());
liblas::property_tree::write_xml(std::cout, tree);
exit(0);
}
else
{
if (use_locale)
{
std::locale l("");
std::cout.imbue(l);
}
std::cout << p << std::endl;
exit(0);
}
} catch (std::out_of_range const& e)
{
std::cerr << "Unable to read point at index " << point << ": " << e.what() << std::endl;
exit(1);
}
}
liblas::Summary summary;
if (check)
summary = check_points( reader,
filters,
transforms,
verbose
);
if (output_xml && output_json) {
std::cerr << "both JSON and XML output cannot be chosen";
return 1;
}
if (output_xml) {
liblas::property_tree::ptree tree;
if (check)
tree = summary.GetPTree();
else
{
tree.add_child("summary.header", header.GetPTree());
}
liblas::property_tree::write_xml(std::cout, tree);
return 0;
}
if (use_locale)
{
std::locale l("");
std::cout.imbue(l);
}
std::cout << header << std::endl;
if (show_vlrs)
PrintVLRs(std::cout, header);
if (show_schema)
std::cout << header.GetSchema();
if (check) {
std::cout << summary << std::endl;
}
}
catch(std::exception& e) {
std::cerr << "error: " << e.what() << "\n";
return 1;
}
catch(...) {
std::cerr << "Exception of unknown type!\n";
}
return 0;
}
//las2las2 -i lt_srs_rt.las -o foo.las -c 1,2 -b 2483590,366208,2484000,366612
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