+++ /dev/null
-// groundlist.cxx -- ATC Ground data management class
-//
-// Written by David Luff, started November 2002.
-// Based on navlist.cxx by Curtis Olson, started April 2000.
-//
-// Copyright (C) 2000 Curtis L. Olson - curt@flightgear.org
-//
-// This program is free software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License as
-// published by the Free Software Foundation; either version 2 of the
-// License, or (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful, but
-// WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-// General Public License for more details.
-//
-// 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.
-
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <simgear/debug/logstream.hxx>
-#include <simgear/misc/sgstream.hxx>
-#include <simgear/math/sg_geodesy.hxx>
-#include <simgear/math/sg_random.h>
-
-#include "groundlist.hxx"
-
-FGGroundList *current_groundlist;
-
-// Constructor
-FGGroundList::FGGroundList( void ) {
-}
-
-
-// Destructor
-FGGroundList::~FGGroundList( void ) {
-}
-
-
-// load the navaids and build the map
-bool FGGroundList::init( SGPath path ) {
-
- groundlist.erase( groundlist.begin(), groundlist.end() );
-
- sg_gzifstream in( path.str() );
- if ( !in.is_open() ) {
- SG_LOG( SG_GENERAL, SG_ALERT, "Cannot open file: " << path.str() );
- exit(-1);
- }
-
- // read in each line of the file
-
- in >> skipcomment;
-
- #ifdef __MWERKS__
- char c = 0;
- while ( in.get(c) && c != '\0' ) {
- in.putback(c);
- #else
- while ( !in.eof() ) {
- #endif
-
- FGGround g;
- in >> g;
- if ( g.get_type() == '[' ) {
- break;
- }
-
- //cout << "id = " << t.GetIdent() << endl;
- //cout << " type = " << t.get_type() << endl;
- //cout << " lon = " << t.get_lon() << endl;
- //cout << " lat = " << t.get_lat() << endl;
- //cout << " elev = " << t.get_elev() << endl;
- //cout << " freq = " << t.get_freq() << endl;
- //cout << " range = " << t.get_range() << endl;
-
- groundlist[g.get_freq()].push_back(g);
- in >> skipcomment;
- }
-
- return true;
- }
-
-
- // query the database for the specified frequency, lon and lat are in
- // degrees, elev is in meters
- bool FGGroundList::query( double lon, double lat, double elev, double freq,
- FGGround *g )
- {
- lon *= SGD_DEGREES_TO_RADIANS;
- lat *= SGD_DEGREES_TO_RADIANS;
- //cout << "lon = " << lon << '\n';
- //cout << "lat = " << lat << '\n';
- //cout << "elev = " << elev << '\n';
- //cout << "freq = " << freq << '\n';
-
- ground_list_type stations = groundlist[(int)(freq*100.0 + 0.5)];
-
- ground_list_iterator current = stations.begin();
- ground_list_iterator last = stations.end();
-
- // double az1, az2, s;
- Point3D aircraft = sgGeodToCart( Point3D(lon, lat, elev) );
- Point3D station;
- double d;
- for ( ; current != last ; ++current ) {
- //cout << "testing " << current->GetIdent() << endl;
- station = Point3D(current->get_x(), current->get_y(), current->get_z());
- //cout << "aircraft = " << aircraft << endl;
- //cout << "station = " << station << endl;
-
- d = aircraft.distance3Dsquared( station );
-
- //cout << " dist = " << sqrt(d)
- // << " range = " << current->get_range() * SG_NM_TO_METER << endl;
-
- // match up to twice the published range so we can model
- // reduced signal strength
- if ( d < (2 * current->get_range() * SG_NM_TO_METER
- * 2 * current->get_range() * SG_NM_TO_METER ) ) {
- //cout << "matched = " << current->GetIdent() << endl;
- *g = *current;
- return true;
- }
- }
-
- return false;
- }
+++ /dev/null
-// groundlist.hxx -- ATC Ground data management class
-//
-// Written by David Luff, started November 2002.
-// Based on navlist.hxx by Curtis Olson, started April 2000.
-//
-// Copyright (C) 2000 Curtis L. Olson - curt@flightgear.org
-//
-// This program is free software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License as
-// published by the Free Software Foundation; either version 2 of the
-// License, or (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful, but
-// WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-// General Public License for more details.
-//
-// 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.
-
-
-#ifndef _FG_GROUNDLIST_HXX
-#define _FG_GROUNDLIST_HXX
-
-
-#include <simgear/compiler.h>
-#include <simgear/misc/sg_path.hxx>
-
-#include <map>
-#include <vector>
-#include <string>
-
-#include "ground.hxx"
-
-SG_USING_STD(map);
-SG_USING_STD(vector);
-SG_USING_STD(string);
-
-
-class FGGroundList {
-
- // convenience types
- typedef vector < FGGround > ground_list_type;
- typedef ground_list_type::iterator ground_list_iterator;
- typedef ground_list_type::const_iterator ground_list_const_iterator;
-
- // Map containing FGGround keyed by frequency.
- // A vector of FGGround is kept at each node since some may share frequency
- typedef map < int, ground_list_type > ground_map_type;
- typedef ground_map_type::iterator ground_map_iterator;
- typedef ground_map_type::const_iterator ground_map_const_iterator;
-
- ground_map_type groundlist;
-
-public:
-
- FGGroundList();
- ~FGGroundList();
-
- // load all atis and build the map
- bool init( SGPath path );
-
- // query the database for the specified frequency, lon and lat are
- // in degrees, elev is in meters
- bool query( double lon, double lat, double elev, double freq, FGGround *g );
-
-};
-
-
-extern FGGroundList *current_groundlist;
-
-
-#endif // _FG_GROUNDLIST_HXX
projects / flightgear.git / commitdiff