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#include <liblas/liblas.hpp>
#include <cstring>
#include <iterator>
#include <iterator>
#include <fstream>
#include <vector>
#include <sstream>
#ifdef _WIN32
#define compare_no_case(a,b,n) _strnicmp( (a), (b), (n) )
#else
#define compare_no_case(a,b,n) strncasecmp( (a), (b), (n) )
#endif
std::istream* OpenInput(std::string filename)
{
std::ios::openmode const mode = std::ios::in | std::ios::binary;
std::istream* istrm;
if (compare_no_case(filename.c_str(),"STDIN",5) == 0)
{
istrm = &std::cin;
}
else
{
istrm = new std::ifstream(filename.c_str(), mode);
}
if (!istrm->good())
{
delete istrm;
throw std::runtime_error("Reading stream was not able to be created");
}
return istrm;
}
void usage() {}
using namespace liblas;
void LoadIndex (LASIndex* index, liblas::Reader* reader, long dimension)
{
bool read = reader->ReadNextPoint();
liblas::int64_t id = 0;
if (read) {
const liblas::Point& p = reader->GetPoint();
index->insert(const_cast<liblas::Point&>(p), id);
}
while (reader->ReadNextPoint()) {
id += 1;
const liblas::Point& p = reader->GetPoint();
index->insert(const_cast<liblas::Point&>(p), id);
}
boost::ignore_unused_variable_warning(dimension);
}
int main(int argc, char* argv[])
{
std::string input;
long dimension = 3;
long capacity = 10000;
bool bBulkLoad = true;
for (int i = 1; i < argc; i++)
{
if ( std::strcmp(argv[i],"-h") == 0 ||
std::strcmp(argv[i],"--help") == 0
)
{
usage();
exit(0);
}
else if ( std::strcmp(argv[i],"--input") == 0 ||
std::strcmp(argv[i],"-input") == 0 ||
std::strcmp(argv[i],"-i") == 0 ||
std::strcmp(argv[i],"-in") == 0
)
{
i++;
input = std::string(argv[i]);
}
else if ( std::strcmp(argv[i],"--dimension") == 0 ||
std::strcmp(argv[i],"-dim") == 0 ||
std::strcmp(argv[i],"-d") == 0
)
{
i++;
dimension = atoi(argv[i]);
}
else if ( std::strcmp(argv[i],"--capacity") == 0 ||
std::strcmp(argv[i],"-cap") == 0 ||
std::strcmp(argv[i],"-c") == 0
)
{
i++;
capacity = atoi(argv[i]);
}
else if ( std::strcmp(argv[i],"--individual") == 0 ||
std::strcmp(argv[i],"--non-bulk") == 0 ||
std::strcmp(argv[i],"-g") == 0
)
{
bBulkLoad = false;
}
else if (input.empty())
{
input = std::string(argv[i]);
}
else
{
usage();
exit(1);
}
}
if (input.empty()) {
usage();
exit(-1);
}
// FIXME: Missing RAII and try-catch, no LAS throws exceptions.
std::istream* istrm = OpenInput(input);
liblas::Reader* reader = new liblas::Reader(*istrm);
std::cout << "Indexing " << input<< " "<<std::endl;
LASIndexDataStream* idxstrm = 0;
LASIndex* idx = new LASIndex(input);
idx->SetType(LASIndex::eExternalIndex);
idx->SetLeafCapacity(capacity);
idx->SetFillFactor(0.99);
idx->SetDimension(dimension);
if (bBulkLoad) {
idxstrm = new LASIndexDataStream(reader, dimension);
idx->Initialize(*idxstrm);
} else {
idx->Initialize();
LoadIndex(idx, reader, dimension);
}
if (idx)
delete idx;
if (idxstrm)
delete idxstrm;
if (reader)
delete reader;
delete istrm;
}
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