//
// Written by Curtis Olson, started April 2000.
//
-// Copyright (C) 2000 Curtis L. Olson - curt@flightgear.org
+// Copyright (C) 2000 Curtis L. Olson - http://www.flightgear.org/~curt
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
-// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// $Id$
#include "navlist.hxx"
+// Return true if the nav record matches the type
+static bool isTypeMatch(const FGNavRecord* n, fg_nav_types type) {
+ switch(type) {
+ case FG_NAV_ANY: return(true);
+ case FG_NAV_VOR: return(n->get_type() == 3);
+ case FG_NAV_NDB: return(n->get_type() == 2);
+ case FG_NAV_ILS: return(n->get_type() == 4); // Note - very simplified, only matches loc as part of full ILS.
+ default: return false;
+ }
+}
+
+
// Constructor
FGNavList::FGNavList( void ) {
}
+FGTACANList::FGTACANList( void ){
+}
+
// Destructor
FGNavList::~FGNavList( void ) {
}
+FGTACANList::~FGTACANList( void ){
+}
// load the navaids and build the map
bool FGNavList::init() {
return true;
}
+bool FGTACANList::init() {
+
+ return true;
+}
// real add a marker beacon
static void real_add( nav_map_type &navmap, const int master_index,
return true;
}
+// add an entry to the lists
+bool FGTACANList::add( FGTACANRecord *c ) {
+ ident_channels[c->get_channel()].push_back(c);
+ return true;
+}
-// Query the database for the specified frequency. It is assumed that
-// there will be multiple stations with matching frequencies so a
-// position must be specified. Lon and lat are in degrees, elev is in
-// meters.
FGNavRecord *FGNavList::findByFreq( double freq, double lon, double lat, double elev )
{
nav_list_type stations = navaids[(int)(freq*100.0 + 0.5)];
Point3D aircraft = sgGeodToCart( Point3D(lon, lat, elev) );
+ SG_LOG( SG_INSTR, SG_DEBUG, "findbyFreq " << freq << " size " << stations.size() );
return findNavFromList( aircraft, stations );
}
}
+nav_list_type FGNavList::findFirstByIdent( string ident, fg_nav_types type, bool exact)
+{
+ nav_list_type n2;
+ n2.clear();
+
+ int iType;
+ if(type == FG_NAV_VOR) iType = 3;
+ else if(type == FG_NAV_NDB) iType = 2;
+ else return(n2);
+
+ nav_ident_map_iterator it;
+ if(exact) {
+ it = ident_navaids.find(ident);
+ } else {
+ bool typeMatch = false;
+ int safety_count = 0;
+ it = ident_navaids.lower_bound(ident);
+ while(!typeMatch) {
+ nav_list_type n0 = it->second;
+ // local copy, so we should be able to do anything with n0.
+ // Remove the types that don't match request.
+ for(nav_list_iterator it0 = n0.begin(); it0 != n0.end();) {
+ FGNavRecord* nv = *it0;
+ if(nv->get_type() == iType) {
+ typeMatch = true;
+ ++it0;
+ } else {
+ it0 = n0.erase(it0);
+ }
+ }
+ if(typeMatch) {
+ return(n0);
+ }
+ if(it == ident_navaids.begin()) {
+ // We didn't find a match before reaching the beginning of the map
+ n0.clear();
+ return(n0);
+ }
+ safety_count++;
+ if(safety_count == 1000000) {
+ SG_LOG(SG_INSTR, SG_ALERT,
+ "safety_count triggered exit from while loop in findFirstByIdent!");
+ break;
+ }
+ ++it;
+ if(it == ident_navaids.end()) {
+ n0.clear();
+ return(n0);
+ }
+ }
+ }
+ if(it == ident_navaids.end()) {
+ n2.clear();
+ return(n2);
+ } else {
+ nav_list_type n1 = it->second;
+ n2.clear();
+ for(nav_list_iterator it2 = n1.begin(); it2 != n1.end(); ++it2) {
+ FGNavRecord* nv = *it2;
+ if(nv->get_type() == iType) n2.push_back(nv);
+ }
+ return(n2);
+ }
+}
+
+
// Given an Ident and optional freqency, return the first matching
// station.
FGNavRecord *FGNavList::findByIdentAndFreq( const char* ident, const double freq )
{
nav_list_type stations = ident_navaids[ident];
-
+ SG_LOG( SG_INSTR, SG_DEBUG, "findByIdent " << ident<< " size " << stations.size() );
if ( freq > 0.0 ) {
// sometimes there can be duplicated idents. If a freq is
// specified, use it to refine the search.
return stations[i];
}
}
- } else {
+ } else if (stations.size()) {
return stations[0];
}
// the closest station.)
if ( d2 < min_dist &&
(stations[i]->get_type() == 4 || stations[i]->get_type() == 5 ||
- stations[i]->get_type() == 6 || stations[i]->get_type() == 12) )
+ stations[i]->get_type() == 6 || stations[i]->get_type() == 12 ||
+ stations[i]->get_type() == 13) )
{
double hdg_deg = 0.0;
if ( stations[i]->get_type() == 4 || stations[i]->get_type() == 5 ){
} else if ( stations[i]->get_type() == 6 ) {
int tmp = (int)(stations[i]->get_multiuse() / 1000.0);
hdg_deg = stations[i]->get_multiuse() - (tmp * 1000);
- } else if ( stations[i]->get_type() == 12 ) {
+ } else if ( stations[i]->get_type() == 12 ||
+ stations[i]->get_type() == 13 ) {
// oops, Robin's data format doesn't give us the
// needed information to compute a heading for a DME
// transmitter. FIXME Robin!
// returns the closest entry to the give lon/lat/elev
FGNavRecord *FGNavList::findClosest( double lon_rad, double lat_rad,
- double elev_m )
+ double elev_m, fg_nav_types type)
{
FGNavRecord *result = NULL;
double diff;
latidx += 90;
int master_index = lonidx * 1000 + latidx;
-
+
nav_list_type navs = navaids_by_tile[ master_index ];
// cout << "Master index = " << master_index << endl;
// cout << "beacon search length = " << beacons.size() << endl;
- nav_list_iterator current = navs.begin();
- nav_list_iterator last = navs.end();
+ nav_list_const_iterator current = navs.begin();
+ nav_list_const_iterator last = navs.end();
Point3D aircraft = sgGeodToCart( Point3D(lon_rad,
lat_rad,
double min_dist = 999999999.0;
for ( ; current != last ; ++current ) {
- // cout << " testing " << (*current)->get_ident() << endl;
- Point3D station = Point3D( (*current)->get_x(),
- (*current)->get_y(),
- (*current)->get_z() );
- // cout << " aircraft = " << aircraft << " station = " << station
- // << endl;
-
- double d = aircraft.distance3Dsquared( station ); // meters^2
- // cout << " distance = " << d << " ("
- // << FG_ILS_DEFAULT_RANGE * SG_NM_TO_METER
- // * FG_ILS_DEFAULT_RANGE * SG_NM_TO_METER
- // << ")" << endl;
-
- // cout << " range = " << sqrt(d) << endl;
-
- if ( d < min_dist ) {
- min_dist = d;
- result = (*current);
+ if(isTypeMatch(*current, type)) {
+ // cout << " testing " << (*current)->get_ident() << endl;
+ Point3D station = Point3D( (*current)->get_x(),
+ (*current)->get_y(),
+ (*current)->get_z() );
+ // cout << " aircraft = " << aircraft << " station = " << station
+ // << endl;
+
+ double d = aircraft.distance3Dsquared( station ); // meters^2
+ // cout << " distance = " << d << " ("
+ // << FG_ILS_DEFAULT_RANGE * SG_NM_TO_METER
+ // * FG_ILS_DEFAULT_RANGE * SG_NM_TO_METER
+ // << ")" << endl;
+
+ // cout << " range = " << sqrt(d) << endl;
+
+ if ( d < min_dist ) {
+ min_dist = d;
+ result = (*current);
+ }
}
}
return result;
}
+
+// Given a TACAN Channel return the first matching frequency
+FGTACANRecord *FGTACANList::findByChannel( const string& channel )
+{
+ tacan_list_type stations = ident_channels[channel];
+ SG_LOG( SG_INSTR, SG_DEBUG, "findByChannel " << channel<< " size " << stations.size() );
+
+ if (stations.size()) {
+ return stations[0];
+ }
+ return NULL;
+}
+
+// Given a frequency, return the first matching station.
+FGNavRecord *FGNavList::findStationByFreq( double freq )
+{
+ nav_list_type stations = navaids[(int)(freq*100.0 + 0.5)];
+
+ SG_LOG( SG_INSTR, SG_DEBUG, "findStationByFreq " << freq << " size " << stations.size() );
+
+ if (stations.size()) {
+ return stations[0];
+ }
+ return NULL;
+}
projects / flightgear.git / blobdiff