From: curt Date: Thu, 4 Apr 2002 16:30:00 +0000 (+0000) Subject: Oops, misunderstanding, this copy of runways.cxx wasn't supposed to go here. X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=8ac5a5327eea71ba8a5fe1df72a0238dbe104ab0;p=flightgear.git Oops, misunderstanding, this copy of runways.cxx wasn't supposed to go here. --- diff --git a/src/ATC/runways.cxx b/src/ATC/runways.cxx deleted file mode 100644 index d45b5abf1..000000000 --- a/src/ATC/runways.cxx +++ /dev/null @@ -1,496 +0,0 @@ -// runways.hxx -- a simple class to manage airport runway info -// -// Written by Curtis Olson, started August 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. -// -// $Id$ - - -#ifdef HAVE_CONFIG_H -# include -#endif - -#include // fabs() -#include // sprintf() - -#include - -#include -#include - -#include STL_STRING -#include STL_FUNCTIONAL -#include STL_ALGORITHM - -#include "runways.hxx" - -SG_USING_NAMESPACE(std); - - -FGRunway::FGRunway() { -} - - -FGRunway::~FGRunway() { -} - - -FGRunways::FGRunways( const string& file ) { - // open the specified database readonly - storage = new c4_Storage( file.c_str(), false ); - - if ( !storage->Strategy().IsValid() ) { - SG_LOG( SG_GENERAL, SG_ALERT, "Cannot open file: " << file ); - exit(-1); - } - - vRunway = new c4_View; - *vRunway = - storage->GetAs("runway[ID:S,Rwy:S,Longitude:F,Latitude:F,Heading:F,Length:F,Width:F,SurfaceFlags:S,End1Flags:S,End2Flags:S]"); - - next_index = 0; -} - - -// search for the specified apt id -bool FGRunways::search( const string& aptid, FGRunway* r ) { - c4_StringProp pID ("ID"); - c4_StringProp pRwy ("Rwy"); - c4_FloatProp pLon ("Longitude"); - c4_FloatProp pLat ("Latitude"); - c4_FloatProp pHdg ("Heading"); - c4_FloatProp pLen ("Length"); - c4_FloatProp pWid ("Width"); - c4_StringProp pSurf ("SurfaceFlags"); - c4_StringProp pEnd1 ("End1Flags"); - c4_StringProp pEnd2 ("End2Flags"); - - int index = vRunway->Find(pID[aptid.c_str()]); - // cout << "index = " << index << endl; - - if ( index == -1 ) { - return false; - } - - next_index = index + 1; - - c4_RowRef row = vRunway->GetAt(index); - - r->id = (const char *) pID(row); - r->rwy_no = (const char *) pRwy(row); - r->lon = (double) pLon(row); - r->lat = (double) pLat(row); - r->heading = (double) pHdg(row); - r->length = (double) pLen(row); - r->width = (double) pWid(row); - r->surface_flags = (const char *) pSurf(row); - r->end1_flags = (const char *) pEnd1(row); - r->end2_flags = (const char *) pEnd2(row); - - return true; -} - - -// search for the specified apt id and runway no -bool FGRunways::search( const string& aptid, const string& rwyno, FGRunway* r ) -{ - c4_StringProp pID ("ID"); - c4_StringProp pRwy ("Rwy"); - c4_FloatProp pLon ("Longitude"); - c4_FloatProp pLat ("Latitude"); - c4_FloatProp pHdg ("Heading"); - c4_FloatProp pLen ("Length"); - c4_FloatProp pWid ("Width"); - c4_StringProp pSurf ("SurfaceFlags"); - c4_StringProp pEnd1 ("End1Flags"); - c4_StringProp pEnd2 ("End2Flags"); - - int index = vRunway->Find(pID[aptid.c_str()]); - // cout << "index = " << index << endl; - - if ( index == -1 ) { - return false; - } - - c4_RowRef row = vRunway->GetAt(index); - string rowid = (const char *) pID(row); - string rowrwyno = (const char *) pRwy(row); - while ( rowid == aptid ) { - next_index = index + 1; - - if ( rowrwyno == rwyno ) { - r->id = (const char *) pID(row); - r->rwy_no = (const char *) pRwy(row); - r->lon = (double) pLon(row); - r->lat = (double) pLat(row); - r->heading = (double) pHdg(row); - r->length = (double) pLen(row); - r->width = (double) pWid(row); - r->surface_flags = (const char *) pSurf(row); - r->end1_flags = (const char *) pEnd1(row); - r->end2_flags = (const char *) pEnd2(row); - - return true; - } - - index++; - c4_RowRef row = vRunway->GetAt(index); - string rowid = (const char *) pID(row); - string rowrwyno = (const char *) pRwy(row); - } - - return false; -} - - -FGRunway FGRunways::search( const string& aptid ) { - FGRunway a; - search( aptid, &a ); - return a; -} - - -// search for the specified id -bool FGRunways::next( FGRunway* r ) { - c4_StringProp pID ("ID"); - c4_StringProp pRwy ("Rwy"); - c4_FloatProp pLon ("Longitude"); - c4_FloatProp pLat ("Latitude"); - c4_FloatProp pHdg ("Heading"); - c4_FloatProp pLen ("Length"); - c4_FloatProp pWid ("Width"); - c4_StringProp pSurf ("SurfaceFlags"); - c4_StringProp pEnd1 ("End1Flags"); - c4_StringProp pEnd2 ("End2Flags"); - - int size = vRunway->GetSize(); - // cout << "total records = " << size << endl; - - int index = next_index; - // cout << "index = " << index << endl; - - if ( index == -1 || index >= size ) { - return false; - } - - next_index = index + 1; - - c4_RowRef row = vRunway->GetAt(index); - r->id = (const char *) pID(row); - r->rwy_no = (const char *) pRwy(row); - r->lon = (double) pLon(row); - r->lat = (double) pLat(row); - r->heading = (double) pHdg(row); - r->length = (double) pLen(row); - r->width = (double) pWid(row); - r->surface_flags = (const char *) pSurf(row); - r->end1_flags = (const char *) pEnd1(row); - r->end2_flags = (const char *) pEnd2(row); - - return true; -} - - -// Return the runway closest to a given heading -bool FGRunways::search( const string& aptid, const int tgt_hdg, - FGRunway* runway ) -{ - FGRunway r; - FGRunway br; - double found_dir = 0.0; - - if ( !search( aptid, &r ) ) { - SG_LOG( SG_GENERAL, SG_ALERT, - "Failed to find " << aptid << " in database." ); - return false; - } - - double diff; - double min_diff = 360.0; - - while ( r.id == aptid ) { - // forward direction - diff = tgt_hdg - r.heading; - while ( diff < -180.0 ) { diff += 360.0; } - while ( diff > 180.0 ) { diff -= 360.0; } - diff = fabs(diff); - // SG_LOG( SG_GENERAL, SG_INFO, - // "Runway " << r.rwy_no << " heading = " << r.heading << - // " diff = " << diff ); - if ( diff < min_diff ) { - min_diff = diff; - //runway = &r; - br = r; - found_dir = 0; - } - - // reverse direction - diff = tgt_hdg - r.heading - 180.0; - while ( diff < -180.0 ) { diff += 360.0; } - while ( diff > 180.0 ) { diff -= 360.0; } - diff = fabs(diff); - // SG_LOG( SG_GENERAL, SG_INFO, - // "Runway -" << r.rwy_no << " heading = " << - // r.heading + 180.0 << - // " diff = " << diff ); - if ( diff < min_diff ) { - min_diff = diff; - //runway = &r; - br = r; - found_dir = 180.0; - } - next( &r ); - } - - // SG_LOG( SG_GENERAL, SG_INFO, "closest runway = " << runway->rwy_no - // << " + " << found_dir ); - - *runway = br; - double heading = runway->heading + found_dir; - while ( heading >= 360.0 ) { heading -= 360.0; } - runway->heading = heading; - //cout << runway->heading << " " << runway->rwy_no - // << " " << runway->id << endl; - return true; -} - - -// Return the runway number of the runway closest to a given heading -string FGRunways::search( const string& aptid, const int tgt_hdg ) { - FGRunway r; - string rn; - double found_dir = 0.0; - - if ( !search( aptid, &r ) ) { - SG_LOG( SG_GENERAL, SG_ALERT, - "Failed to find " << aptid << " in database." ); - return "NN"; - } - - double diff; - double min_diff = 360.0; - - while ( r.id == aptid ) { - // forward direction - diff = tgt_hdg - r.heading; - while ( diff < -180.0 ) { diff += 360.0; } - while ( diff > 180.0 ) { diff -= 360.0; } - diff = fabs(diff); - // SG_LOG( SG_GENERAL, SG_INFO, - // "Runway " << r.rwy_no << " heading = " << r.heading << - // " diff = " << diff ); - if ( diff < min_diff ) { - min_diff = diff; - rn = r.rwy_no; - found_dir = 0; - } - - // reverse direction - diff = tgt_hdg - r.heading - 180.0; - while ( diff < -180.0 ) { diff += 360.0; } - while ( diff > 180.0 ) { diff -= 360.0; } - diff = fabs(diff); - // SG_LOG( SG_GENERAL, SG_INFO, - // "Runway -" << r.rwy_no << " heading = " << - // r.heading + 180.0 << - // " diff = " << diff ); - if ( diff < min_diff ) { - min_diff = diff; - rn = r.rwy_no; - found_dir = 180.0; - } - - next( &r ); - } - - // SG_LOG( SG_GENERAL, SG_INFO, "closest runway = " << r.rwy_no - // << " + " << found_dir ); - // rn = r.rwy_no; - // cout << "In search, rn = " << rn << endl; - if ( found_dir == 180 ) { - int irn = atoi(rn.c_str()); - irn += 18; - if ( irn > 36 ) { - irn -= 36; - } - char buf[4]; // 2 chars + string terminator + 1 for safety - sprintf(buf, "%i", irn); - rn = buf; - } - - return rn; -} - - -// Destructor -FGRunways::~FGRunways( void ) { - delete storage; -} - - -// Constructor -FGRunwaysUtil::FGRunwaysUtil() { -} - - -// load the data -int FGRunwaysUtil::load( const string& file ) { - FGRunway r; - string apt_id; - - runways.erase( runways.begin(), runways.end() ); - - sg_gzifstream in( file ); - if ( !in.is_open() ) { - SG_LOG( SG_GENERAL, SG_ALERT, "Cannot open file: " << file ); - exit(-1); - } - - // skip first line of file - char tmp[2048]; - in.getline( tmp, 2048 ); - - // read in each line of the file - -#ifdef __MWERKS__ - - in >> ::skipws; - char c = 0; - while ( in.get(c) && c != '\0' ) { - if ( c == 'A' ) { - in >> apt_id; - in >> skipeol; - } else if ( c == 'R' ) { - in >> r; - r.id = apt_id; - runways.push_back(r); - } else { - in >> skipeol; - } - in >> ::skipws; - } - -#else - - in >> ::skipws; - while ( ! in.eof() ) { - char c = 0; - in.get(c); - if ( c == 'A' ) { - in >> apt_id; - in >> skipeol; - } else if ( c == 'R' ) { - in >> r; - r.id = apt_id; - // cout << apt_id << " " << r.rwy_no << endl; - runways.push_back(r); - } else { - in >> skipeol; - } - in >> ::skipws; - } - -#endif - - return 1; -} - - -// save the data in gdbm format -bool FGRunwaysUtil::dump_mk4( const string& file ) { - // open database for writing - c4_Storage storage( file.c_str(), true ); - - // need to do something about error handling here! - - // define the properties - c4_StringProp pID ("ID"); - c4_StringProp pRwy ("Rwy"); - c4_FloatProp pLon ("Longitude"); - c4_FloatProp pLat ("Latitude"); - c4_FloatProp pHdg ("Heading"); - c4_FloatProp pLen ("Length"); - c4_FloatProp pWid ("Width"); - c4_StringProp pSurf ("SurfaceFlags"); - c4_StringProp pEnd1 ("End1Flags"); - c4_StringProp pEnd2 ("End2Flags"); - - // Start with an empty view of the proper structure. - c4_View vRunway = - storage.GetAs("runway[ID:S,Rwy:S,Longitude:F,Latitude:F,Heading:F,Length:F,Width:F,SurfaceFlags:S,End1Flags:S,End2Flags:S]"); - - c4_Row row; - - iterator current = runways.begin(); - const_iterator end = runways.end(); - while ( current != end ) { - // add each runway record - pID (row) = current->id.c_str(); - pRwy (row) = current->rwy_no.c_str(); - pLon (row) = current->lon; - pLat (row) = current->lat; - pHdg (row) = current->heading; - pLen (row) = current->length; - pWid (row) = current->width; - pSurf (row) = current->surface_flags.c_str(); - pEnd1 (row) = current->end1_flags.c_str(); - pEnd2 (row) = current->end2_flags.c_str(); - vRunway.Add(row); - - ++current; - } - - // commit our changes - storage.Commit(); - - return true; -} - - -#if 0 -// search for the specified id -bool -FGRunwaysUtil::search( const string& id, FGRunway* a ) const -{ - const_iterator it = runways.find( FGRunway(id) ); - if ( it != runways.end() ) - { - *a = *it; - return true; - } - else - { - return false; - } -} - - -FGRunway -FGRunwaysUtil::search( const string& id ) const -{ - FGRunway a; - this->search( id, &a ); - return a; -} -#endif - -// Destructor -FGRunwaysUtil::~FGRunwaysUtil( void ) { -} - -