bool UAVFlightPlan::exportToKMLFile(const std::string &f, int begin_, int end_) const {
bool ret_val = true;
if (end_ < 0 || end_ > size()) {
end_ = size();
}
if (begin_ < 0 || begin_ > size()) {
begin_ = 0;
}
const_iterator it = begin();
// Advance to the first waypoint to save
int i = 0;
for (; i < begin_; i++, it++);
KmlFactory* factory = KmlFactory::GetFactory();
kmldom::DocumentPtr doc = factory->CreateDocument();
for (int j = 1; i < end_ && it != end(); j++,i++, it++) {
ostringstream name_;
name_ << "Waypoint " << j;
// Create a <Point> with <coordinates> from the given Vec3.
kmlbase::Vec3 v(it->getLongitude(), it->getLatitude(), it->getAltitude());
kmldom::PointPtr point = kmlconvenience::CreatePointFromVec3(v);
PlacemarkPtr place = factory->CreatePlacemark();
place->set_geometry(point);
doc->add_feature(place);
}
// Finally create the kml
KmlPtr kml = factory->CreateKml();
kml->set_feature(doc);
// Then the file
KmlFilePtr kmlfile = KmlFile::CreateFromImport(kml);
if (!kmlfile) {
cerr << "error: could not create kml file" << endl;
return false;
}
// And write it
std::string kml_data;
kmlfile->SerializeToString(&kml_data);
if (!kmlbase::File::WriteStringToFile(kml_data, f.c_str())) {
cerr << "error: write of " << f << " failed" << endl;
ret_val = false;
}
return ret_val;
}
OGRErr OGRLIBKMLLayer::DeleteFeature( GIntBig nFIDIn )
{
if( !bUpdate || !m_poKmlUpdate )
return OGRERR_UNSUPPORTED_OPERATION;
KmlFactory *poKmlFactory = m_poOgrDS->GetKmlFactory();
DeletePtr poDelete = poKmlFactory->CreateDelete();
m_poKmlUpdate->add_updateoperation(poDelete);
PlacemarkPtr poKmlPlacemark = poKmlFactory->CreatePlacemark();
poDelete->add_feature(poKmlPlacemark);
const char* pszId = CPLSPrintf("%s." CPL_FRMT_GIB,
OGRLIBKMLGetSanitizedNCName(GetName()).c_str(), nFIDIn);
poKmlPlacemark->set_targetid(pszId);
/***** mark as updated *****/
m_poOgrDS->Updated();
return OGRERR_NONE;
}
