X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;ds=sidebyside;f=src%2FAirports%2Frunways.cxx;h=f97cd14e83aee82c4c4dde7e078d2a77362ba50d;hb=2dee4ef14ff449381d11ef2d55d07b2e199677af;hp=f670192e22eb4d588c5183f5540d628e95acc67f;hpb=152a5902c82013c75ba4b09149523867b8d9d136;p=flightgear.git diff --git a/src/Airports/runways.cxx b/src/Airports/runways.cxx index f670192e2..f97cd14e8 100644 --- a/src/Airports/runways.cxx +++ b/src/Airports/runways.cxx @@ -1,8 +1,8 @@ -// runways.hxx -- a simple class to manage airport runway info +// runways.cxx -- a simple class to manage airport runway info // // Written by Curtis Olson, started August 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 @@ -16,7 +16,7 @@ // // 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. // // $Id$ @@ -25,291 +25,136 @@ # include #endif -// #include // for gdbm open flags -// #include // for gdbm open flags +#include // sprintf() +#include // atoi() #include -#include -#include +#include -#include STL_STRING -#include STL_FUNCTIONAL -#include STL_ALGORITHM +#include #include "runways.hxx" -FG_USING_NAMESPACE(std); +using std::string; - -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() ) { - FG_LOG( FG_GENERAL, FG_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:F,End2Flags:F]"); - - next_index = 0; -} - - -// search for the specified id -bool FGRunways::search( const string& id, 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[id.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; -} - - -FGRunway FGRunways::search( const string& id ) { - FGRunway a; - search( id, &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; +static std::string cleanRunwayNo(const std::string& aRwyNo) +{ + if (aRwyNo[0] == 'x') { + return std::string(); // no ident for taxiways + } + + string result(aRwyNo); + // canonicalise runway ident + if ((aRwyNo.size() == 1) || !isdigit(aRwyNo[1])) { + result = "0" + aRwyNo; + } + + // trim off trailing garbage + if (result.size() > 2) { + char suffix = toupper(result[2]); + if (suffix == 'X') { + result = result.substr(0, 2); } - - 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; -} - - -// Destructor -FGRunways::~FGRunways( void ) { - // gdbm_close( dbf ); + } + + return result; } - -// Constructor -FGRunwaysUtil::FGRunwaysUtil() { +FGRunway::FGRunway(FGAirport* aAirport, const string& aIdent, + const SGGeod& aGeod, + const double heading, const double length, + const double width, + const double displ_thresh, + const double stopway, + const int surface_code, + bool reciprocal) : + FGRunwayBase(RUNWAY, cleanRunwayNo(aIdent), aGeod, heading, length, width, surface_code, true), + _airport(aAirport), + _reciprocal(reciprocal), + _displ_thresh(displ_thresh), + _stopway(stopway), + _ils(NULL) +{ } - -// load the data -int FGRunwaysUtil::load( const string& file ) { - FGRunway r; - string apt_id; - - runways.erase( runways.begin(), runways.end() ); - - fg_gzifstream in( file ); - if ( !in.is_open() ) { - FG_LOG( FG_GENERAL, FG_ALERT, "Cannot open file: " << file ); - exit(-1); - } - - // skip first line of file - char tmp[256]; - in.getline( tmp, 256 ); - - // 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; +string FGRunway::reverseIdent(const string& aRunwayIdent) +{ + // Helipads don't have a seperate number per end + if (aRunwayIdent.size() && (aRunwayIdent[0] == 'H' || aRunwayIdent[0] == 'h' || aRunwayIdent[0] == 'x')) { + return aRunwayIdent; + } + + std::string ident(aRunwayIdent); + + char buf[4]; + int rn = atoi(ident.substr(0,2).c_str()); + rn += 18; + while(rn > 36) { + rn -= 36; + } + + sprintf(buf, "%02i", rn); + if(ident.size() == 3) { + char suffix = toupper(ident[2]); + if(suffix == 'L') { + buf[2] = 'R'; + } else if (suffix == 'R') { + buf[2] = 'L'; + } else { + // something else, just copy + buf[2] = suffix; } - -#endif - - return 1; + + buf[3] = 0; + } + + return buf; } - -// 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:F,End2Flags:F]"); - - 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; +double FGRunway::score(double aLengthWt, double aWidthWt, double aSurfaceWt) const +{ + int surface = 1; + if (_surface_code == 12 || _surface_code == 5) // dry lakebed & gravel + surface = 2; + else if (_surface_code == 1 || _surface_code == 2) // asphalt & concrete + surface = 3; + + return _length * aLengthWt + _width * aWidthWt + surface * aSurfaceWt + 1e-20; } - -#if 0 -// search for the specified id -bool -FGRunwaysUtil::search( const string& id, FGRunway* a ) const +SGGeod FGRunway::begin() const { - const_iterator it = runways.find( FGRunway(id) ); - if ( it != runways.end() ) - { - *a = *it; - return true; - } - else - { - return false; - } + return pointOnCenterline(0.0); } - -FGRunway -FGRunwaysUtil::search( const string& id ) const +SGGeod FGRunway::end() const { - FGRunway a; - this->search( id, &a ); - return a; + return pointOnCenterline(lengthM()); } -#endif -// Destructor -FGRunwaysUtil::~FGRunwaysUtil( void ) { +SGGeod FGRunway::threshold() const +{ + return pointOnCenterline(_displ_thresh * SG_FEET_TO_METER); } - +void FGRunway::processThreshold(SGPropertyNode* aThreshold) +{ + assert(ident() == aThreshold->getStringValue("rwy")); + + double lon = aThreshold->getDoubleValue("lon"), + lat = aThreshold->getDoubleValue("lat"); + SGGeod newThreshold(SGGeod::fromDegM(lon, lat, mPosition.getElevationM())); + + _heading = aThreshold->getDoubleValue("hdg-deg"); + _displ_thresh = aThreshold->getDoubleValue("displ-m") * SG_METER_TO_FEET; + _stopway = aThreshold->getDoubleValue("stopw-m") * SG_METER_TO_FEET; + + // compute the new runway center, based on the threshold lat/lon, length, + // and any displaced threshold. + double offsetFt = (0.5 * _length) - _displ_thresh; + SGGeod newCenter; + double dummy; + SGGeodesy::direct(newThreshold, _heading, offsetFt * SG_FEET_TO_METER, newCenter, dummy); + mPosition = newCenter; +}