559 lines
17 KiB
C++
559 lines
17 KiB
C++
// apt_loader.cxx -- a front end loader of the apt.dat file. This loader
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// populates the runway and basic classes.
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//
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// Written by Curtis Olson, started August 2000.
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//
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// Copyright (C) 2000 Curtis L. Olson - http://www.flightgear.org/~curt
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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// $Id$
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include "apt_loader.hxx"
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#include <simgear/compiler.h>
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#include <stdlib.h> // atof(), atoi()
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#include <string.h> // memchr()
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#include <ctype.h> // isspace()
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#include <simgear/constants.h>
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#include <simgear/debug/logstream.hxx>
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#include <simgear/misc/sgstream.hxx>
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#include <simgear/misc/strutils.hxx>
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#include <simgear/structure/exception.hxx>
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#include <simgear/bucket/newbucket.hxx>
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#include <string>
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#include "simple.hxx"
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#include "runways.hxx"
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#include "pavement.hxx"
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#if ENABLE_ATCDCL
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# include <ATCDCL/commlist.hxx>
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#else
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#include <ATC/atcutils.hxx>
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#endif
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#include <iostream>
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using namespace std;
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static FGPositioned::Type fptypeFromRobinType(int aType)
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{
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switch (aType) {
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case 1: return FGPositioned::AIRPORT;
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case 16: return FGPositioned::SEAPORT;
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case 17: return FGPositioned::HELIPORT;
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default:
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SG_LOG(SG_GENERAL, SG_ALERT, "unsupported type:" << aType);
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throw sg_range_exception("Unsupported airport type", "fptypeFromRobinType");
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}
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}
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class APTLoader
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{
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public:
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APTLoader()
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: last_apt_id(""),
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last_apt_name(""),
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last_apt_elev(0.0),
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last_apt_info(""),
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last_apt_type("")
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{}
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void parseAPT(const string &aptdb_file, FGCommList *comm_list)
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{
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sg_gzifstream in( aptdb_file );
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if ( !in.is_open() ) {
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SG_LOG( SG_GENERAL, SG_ALERT, "Cannot open file: " << aptdb_file );
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exit(-1);
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}
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string line;
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char tmp[2049];
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tmp[2048] = 0;
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unsigned int line_id = 0;
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unsigned int line_num = 0;
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while ( ! in.eof() ) {
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in.getline(tmp, 2048);
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line = tmp; // string copy, ack
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line_num++;
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if ( !line.size() || isspace(tmp[0])) {
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continue;
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}
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if (line.size() >= 3) {
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char *p = (char *)memchr(tmp, ' ', 3);
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if ( p )
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*p = 0;
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}
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line_id = atoi(tmp);
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if ( tmp[0] == 'I' ) {
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// First line, indicates IBM (i.e. DOS line endings I
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// believe.)
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// move past this line and read and discard the next line
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// which is the version and copyright information
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in.getline(tmp, 2048);
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// vector<string> vers_token = simgear::strutils::split( tmp );
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if ( strlen(tmp) > 4 ) {
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char *p = (char *)memchr(tmp, ' ', 4);
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if ( p )
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*p = 0;
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}
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SG_LOG( SG_GENERAL, SG_INFO, "Data file version = " << tmp );
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} else if ( line_id == 1 /* Airport */ ||
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line_id == 16 /* Seaplane base */ ||
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line_id == 17 /* Heliport */ ) {
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parseAirportLine(simgear::strutils::split(line));
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} else if ( line_id == 10 ) { // Runway v810
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parseRunwayLine810(simgear::strutils::split(line));
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} else if ( line_id == 100 ) { // Runway v850
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parseRunwayLine850(simgear::strutils::split(line));
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} else if ( line_id == 101 ) { // Water Runway v850
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parseWaterRunwayLine850(simgear::strutils::split(line));
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} else if ( line_id == 102 ) { // Helipad v850
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parseHelipadLine850(simgear::strutils::split(line));
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} else if ( line_id == 18 ) {
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// beacon entry (ignore)
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} else if ( line_id == 14 ) {
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// control tower entry
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vector<string> token(simgear::strutils::split(line));
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double lat = atof( token[1].c_str() );
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double lon = atof( token[2].c_str() );
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double elev = atof( token[3].c_str() );
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tower = SGGeod::fromDegFt(lon, lat, elev + last_apt_elev);
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got_tower = true;
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} else if ( line_id == 19 ) {
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// windsock entry (ignore)
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} else if ( line_id == 20 ) {
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// Taxiway sign (ignore)
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} else if ( line_id == 21 ) {
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// lighting objects (ignore)
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} else if ( line_id == 15 ) {
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// custom startup locations (ignore)
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} else if ( line_id == 0 ) {
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// ??
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} else if ( line_id == 50 ) {
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parseATISLine(comm_list, simgear::strutils::split(line));
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} else if ( line_id >= 51 && line_id <= 56 ) {
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// other frequency entries (ignore)
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} else if ( line_id == 110 ) {
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pavement = true;
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parsePavementLine850(simgear::strutils::split(line, 0, 4));
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} else if ( line_id >= 111 && line_id <= 114 ) {
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if ( pavement )
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parsePavementNodeLine850(line_id, simgear::strutils::split(line));
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} else if ( line_id >= 115 && line_id <= 116 ) {
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// other pavement nodes (ignore)
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} else if ( line_id == 120 ) {
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pavement = false;
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} else if ( line_id == 130 ) {
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pavement = false;
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} else if ( line_id == 99 ) {
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SG_LOG( SG_GENERAL, SG_DEBUG, "End of file reached" );
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} else {
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SG_LOG( SG_GENERAL, SG_ALERT,
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"Unknown line(#" << line_num << ") in file: " << line );
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exit( -1 );
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}
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}
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addAirport();
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}
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private:
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vector<string> token;
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double rwy_lat_accum;
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double rwy_lon_accum;
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double last_rwy_heading;
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int rwy_count;
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bool got_tower;
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string last_apt_id;
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string last_apt_name;
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double last_apt_elev;
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SGGeod tower;
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string last_apt_info;
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string last_apt_type;
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string pavement_ident;
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bool pavement;
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vector<FGRunwayPtr> runways;
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vector<FGTaxiwayPtr> taxiways;
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vector<FGPavementPtr> pavements;
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void addAirport()
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{
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if (last_apt_id.empty()) {
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return;
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}
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if (!rwy_count) {
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SG_LOG(SG_GENERAL, SG_ALERT, "ERROR: No runways for " << last_apt_id
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<< ", skipping." );
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return;
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}
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double lat = rwy_lat_accum / (double)rwy_count;
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double lon = rwy_lon_accum / (double)rwy_count;
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if (!got_tower) {
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// tower height hard coded for now...
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const float tower_height = 50.0f;
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// make a little off the heading for 1 runway airports...
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float fudge_lon = fabs(sin(last_rwy_heading * SGD_DEGREES_TO_RADIANS)) * .003f;
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float fudge_lat = .003f - fudge_lon;
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tower = SGGeod::fromDegFt(lon + fudge_lon, lat + fudge_lat, last_apt_elev + tower_height);
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}
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SGGeod pos(SGGeod::fromDegFt(lon, lat, last_apt_elev));
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FGAirport* apt = new FGAirport(last_apt_id, pos, tower, last_apt_name, false,
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fptypeFromRobinType(atoi(last_apt_type.c_str())));
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apt->setRunwaysAndTaxiways(runways, taxiways, pavements);
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}
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void parseAirportLine(const vector<string>& token)
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{
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const string& id(token[4]);
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double elev = atof( token[1].c_str() );
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addAirport();
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last_apt_id = id;
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last_apt_elev = elev;
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last_apt_name = "";
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got_tower = false;
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// build the name
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for ( unsigned int i = 5; i < token.size() - 1; ++i ) {
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last_apt_name += token[i];
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last_apt_name += " ";
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}
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last_apt_name += token[token.size() - 1];
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last_apt_type = token[0];
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// clear runway list for start of next airport
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rwy_lon_accum = 0.0;
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rwy_lat_accum = 0.0;
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rwy_count = 0;
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}
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void parseRunwayLine810(const vector<string>& token)
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{
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double lat = atof( token[1].c_str() );
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double lon = atof( token[2].c_str() );
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rwy_lat_accum += lat;
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rwy_lon_accum += lon;
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rwy_count++;
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const string& rwy_no(token[3]);
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double heading = atof( token[4].c_str() );
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double length = atoi( token[5].c_str() );
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double width = atoi( token[8].c_str() );
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last_rwy_heading = heading;
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int surface_code = atoi( token[10].c_str() );
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SGGeod pos(SGGeod::fromDegFt(lon, lat, last_apt_elev));
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if (rwy_no[0] == 'x') {
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// taxiway
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FGTaxiway* t = new FGTaxiway(rwy_no, pos, heading, length, width, surface_code);
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taxiways.push_back(t);
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} else {
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// (pair of) runways
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string rwy_displ_threshold = token[6];
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vector<string> displ
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= simgear::strutils::split( rwy_displ_threshold, "." );
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double displ_thresh1 = atof( displ[0].c_str() );
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double displ_thresh2 = atof( displ[1].c_str() );
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string rwy_stopway = token[7];
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vector<string> stop
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= simgear::strutils::split( rwy_stopway, "." );
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double stopway1 = atof( stop[0].c_str() );
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double stopway2 = atof( stop[1].c_str() );
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FGRunway* rwy = new FGRunway(NULL, rwy_no, pos, heading, length,
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width, displ_thresh1, stopway1, surface_code, false);
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runways.push_back(rwy);
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FGRunway* reciprocal = new FGRunway(NULL, FGRunway::reverseIdent(rwy_no),
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pos, heading + 180.0, length, width,
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displ_thresh2, stopway2, surface_code, true);
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runways.push_back(reciprocal);
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rwy->setReciprocalRunway(reciprocal);
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reciprocal->setReciprocalRunway(rwy);
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}
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}
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void parseRunwayLine850(const vector<string>& token)
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{
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double width = atof( token[1].c_str() ) * SG_METER_TO_FEET;
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int surface_code = atoi( token[2].c_str() );
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double lat_1 = atof( token[9].c_str() );
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double lon_1 = atof( token[10].c_str() );
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SGGeod pos_1(SGGeod::fromDegFt(lon_1, lat_1, 0.0));
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rwy_lat_accum += lat_1;
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rwy_lon_accum += lon_1;
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rwy_count++;
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double lat_2 = atof( token[18].c_str() );
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double lon_2 = atof( token[19].c_str() );
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SGGeod pos_2(SGGeod::fromDegFt(lon_2, lat_2, 0.0));
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rwy_lat_accum += lat_2;
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rwy_lon_accum += lon_2;
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rwy_count++;
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double length, heading_1, heading_2, dummy;
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SGGeodesy::inverse( pos_1, pos_2, heading_1, heading_2, length );
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SGGeod pos;
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SGGeodesy::direct( pos_1, heading_1, length / 2.0, pos, dummy );
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length *= SG_METER_TO_FEET;
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last_rwy_heading = heading_1;
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const string& rwy_no_1(token[8]);
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const string& rwy_no_2(token[17]);
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if ( rwy_no_1.size() == 0 || rwy_no_2.size() == 0 )
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return;
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double displ_thresh1 = atof( token[11].c_str() );
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double displ_thresh2 = atof( token[20].c_str() );
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double stopway1 = atof( token[12].c_str() );
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double stopway2 = atof( token[21].c_str() );
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FGRunway* rwy = new FGRunway(NULL, rwy_no_1, pos, heading_1, length,
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width, displ_thresh1, stopway1, surface_code, false);
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runways.push_back(rwy);
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FGRunway* reciprocal = new FGRunway(NULL, rwy_no_2,
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pos, heading_2, length, width,
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displ_thresh2, stopway2, surface_code, true);
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runways.push_back(reciprocal);
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rwy->setReciprocalRunway(reciprocal);
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reciprocal->setReciprocalRunway(rwy);
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}
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void parseWaterRunwayLine850(const vector<string>& token)
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{
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double width = atof( token[1].c_str() ) * SG_METER_TO_FEET;
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double lat_1 = atof( token[4].c_str() );
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double lon_1 = atof( token[5].c_str() );
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SGGeod pos_1(SGGeod::fromDegFt(lon_1, lat_1, 0.0));
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rwy_lat_accum += lat_1;
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rwy_lon_accum += lon_1;
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rwy_count++;
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double lat_2 = atof( token[7].c_str() );
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double lon_2 = atof( token[8].c_str() );
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SGGeod pos_2(SGGeod::fromDegFt(lon_2, lat_2, 0.0));
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rwy_lat_accum += lat_2;
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rwy_lon_accum += lon_2;
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rwy_count++;
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double length, heading_1, heading_2, dummy;
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SGGeodesy::inverse( pos_1, pos_2, heading_1, heading_2, length );
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SGGeod pos;
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SGGeodesy::direct( pos_1, heading_1, length / 2.0, pos, dummy );
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last_rwy_heading = heading_1;
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const string& rwy_no_1(token[3]);
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const string& rwy_no_2(token[6]);
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FGRunway* rwy = new FGRunway(NULL, rwy_no_1, pos, heading_1, length,
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width, 0.0, 0.0, 13, false);
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runways.push_back(rwy);
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FGRunway* reciprocal = new FGRunway(NULL, rwy_no_2,
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pos, heading_2, length, width,
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0.0, 0.0, 13, true);
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runways.push_back(reciprocal);
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rwy->setReciprocalRunway(reciprocal);
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reciprocal->setReciprocalRunway(rwy);
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}
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void parseHelipadLine850(const vector<string>& token)
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{
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double length = atof( token[5].c_str() ) * SG_METER_TO_FEET;
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double width = atof( token[6].c_str() ) * SG_METER_TO_FEET;
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double lat = atof( token[2].c_str() );
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double lon = atof( token[3].c_str() );
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SGGeod pos(SGGeod::fromDegFt(lon, lat, 0.0));
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rwy_lat_accum += lat;
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rwy_lon_accum += lon;
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rwy_count++;
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double heading = atof( token[4].c_str() );
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last_rwy_heading = heading;
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const string& rwy_no(token[1]);
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int surface_code = atoi( token[7].c_str() );
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FGRunway* rwy = new FGRunway(NULL, rwy_no, pos, heading, length,
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width, 0.0, 0.0, surface_code, false);
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runways.push_back(rwy);
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}
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void parsePavementLine850(const vector<string>& token)
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{
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if ( token.size() >= 5 ) {
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pavement_ident = token[4];
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if ( !pavement_ident.empty() && pavement_ident[pavement_ident.size()-1] == '\r' )
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pavement_ident.erase( pavement_ident.size()-1 );
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} else {
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pavement_ident = "xx";
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}
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}
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void parsePavementNodeLine850(int num, const vector<string>& token)
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{
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double lat = atof( token[1].c_str() );
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double lon = atof( token[2].c_str() );
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SGGeod pos(SGGeod::fromDegFt(lon, lat, 0.0));
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FGPavement* pvt = 0;
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if ( !pavement_ident.empty() ) {
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pvt = new FGPavement( pavement_ident, pos );
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pavements.push_back( pvt );
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pavement_ident = "";
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} else {
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pvt = pavements.back();
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}
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if ( num == 112 || num == 114 ) {
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double lat_b = atof( token[3].c_str() );
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double lon_b = atof( token[4].c_str() );
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SGGeod pos_b(SGGeod::fromDegFt(lon_b, lat_b, 0.0));
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pvt->addBezierNode(pos, pos_b, num == 114);
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} else {
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pvt->addNode(pos, num == 113);
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}
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}
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void parseATISLine(FGCommList *comm_list, const vector<string>& token)
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{
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if ( rwy_count <= 0 ) {
|
|
SG_LOG( SG_GENERAL, SG_ALERT,
|
|
"No runways; skipping AWOS for " + last_apt_id);
|
|
}
|
|
|
|
// This assumes/requires that any code-50 line (ATIS or AWOS)
|
|
// applies to the preceding code-1 line (airport ID and name)
|
|
// and that a full set of code-10 lines (runway descriptors)
|
|
// has come between the code-1 and code-50 lines.
|
|
// typical code-50 lines:
|
|
// 50 11770 ATIS
|
|
// 50 11770 AWOS 3
|
|
// This code parallels code found in "operator>>" in ATC.hxx;
|
|
// FIXME: unify the code.
|
|
#if ENABLE_ATCDCL
|
|
ATCData a;
|
|
a.geod = SGGeod::fromDegFt(rwy_lon_accum / (double)rwy_count,
|
|
rwy_lat_accum / (double)rwy_count, last_apt_elev);
|
|
a.range = 50; // give all ATISs small range
|
|
a.ident = last_apt_id;
|
|
a.name = last_apt_name;
|
|
// short int representing tens of kHz:
|
|
a.freq = atoi(token[1].c_str());
|
|
if (token[2] == "ATIS") a.type = ATIS;
|
|
else a.type = AWOS; // ASOS same as AWOS
|
|
|
|
// generate cartesian coordinates
|
|
a.cart = SGVec3d::fromGeod(a.geod);
|
|
comm_list->commlist_freq[a.freq].push_back(a);
|
|
|
|
SGBucket bucket(a.geod);
|
|
int bucknum = bucket.gen_index();
|
|
comm_list->commlist_bck[bucknum].push_back(a);
|
|
#else
|
|
#endif
|
|
#if 0
|
|
SG_LOG( SG_GENERAL, SG_ALERT,
|
|
"Loaded ATIS/AWOS for airport: " << a.ident
|
|
<< " lat: " << a.geod.getLatitudeDeg()
|
|
<< " lon: " << a.geod.getLongitudeDeg()
|
|
<< " freq: " << a.freq
|
|
<< " type: " << a.type );
|
|
#endif
|
|
}
|
|
|
|
};
|
|
|
|
|
|
// Load the airport data base from the specified aptdb file. The
|
|
// metar file is used to mark the airports as having metar available
|
|
// or not.
|
|
bool fgAirportDBLoad( const string &aptdb_file,
|
|
FGCommList *comm_list, const std::string &metar_file )
|
|
{
|
|
|
|
APTLoader ld;
|
|
ld.parseAPT(aptdb_file, comm_list);
|
|
//
|
|
// Load the metar.dat file and update apt db with stations that
|
|
// have metar data.
|
|
//
|
|
|
|
sg_gzifstream metar_in( metar_file );
|
|
if ( !metar_in.is_open() ) {
|
|
SG_LOG( SG_GENERAL, SG_ALERT, "Cannot open file: " << metar_file );
|
|
}
|
|
|
|
string ident;
|
|
while ( metar_in ) {
|
|
metar_in >> ident;
|
|
if ( ident == "#" || ident == "//" ) {
|
|
metar_in >> skipeol;
|
|
} else {
|
|
FGAirport* apt = FGAirport::findByIdent(ident);
|
|
if (apt) {
|
|
apt->setMetar(true);
|
|
}
|
|
}
|
|
}
|
|
|
|
SG_LOG(SG_GENERAL, SG_INFO, "[FINISHED LOADING]");
|
|
|
|
return true;
|
|
}
|
|
|