Oops, misunderstanding, this copy of runways.cxx wasn't supposed to go here.
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curt
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commit
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1 changed files with 0 additions and 496 deletions
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// runways.hxx -- a simple class to manage airport runway info
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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 - curt@flightgear.org
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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., 675 Mass Ave, Cambridge, MA 02139, 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 <math.h> // fabs()
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#include <stdio.h> // sprintf()
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#include <simgear/compiler.h>
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#include <simgear/debug/logstream.hxx>
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#include <simgear/misc/sgstream.hxx>
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#include STL_STRING
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#include STL_FUNCTIONAL
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#include STL_ALGORITHM
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#include "runways.hxx"
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SG_USING_NAMESPACE(std);
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FGRunway::FGRunway() {
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}
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FGRunway::~FGRunway() {
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}
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FGRunways::FGRunways( const string& file ) {
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// open the specified database readonly
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storage = new c4_Storage( file.c_str(), false );
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if ( !storage->Strategy().IsValid() ) {
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SG_LOG( SG_GENERAL, SG_ALERT, "Cannot open file: " << file );
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exit(-1);
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}
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vRunway = new c4_View;
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*vRunway =
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storage->GetAs("runway[ID:S,Rwy:S,Longitude:F,Latitude:F,Heading:F,Length:F,Width:F,SurfaceFlags:S,End1Flags:S,End2Flags:S]");
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next_index = 0;
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}
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// search for the specified apt id
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bool FGRunways::search( const string& aptid, FGRunway* r ) {
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c4_StringProp pID ("ID");
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c4_StringProp pRwy ("Rwy");
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c4_FloatProp pLon ("Longitude");
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c4_FloatProp pLat ("Latitude");
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c4_FloatProp pHdg ("Heading");
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c4_FloatProp pLen ("Length");
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c4_FloatProp pWid ("Width");
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c4_StringProp pSurf ("SurfaceFlags");
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c4_StringProp pEnd1 ("End1Flags");
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c4_StringProp pEnd2 ("End2Flags");
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int index = vRunway->Find(pID[aptid.c_str()]);
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// cout << "index = " << index << endl;
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if ( index == -1 ) {
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return false;
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}
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next_index = index + 1;
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c4_RowRef row = vRunway->GetAt(index);
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r->id = (const char *) pID(row);
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r->rwy_no = (const char *) pRwy(row);
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r->lon = (double) pLon(row);
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r->lat = (double) pLat(row);
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r->heading = (double) pHdg(row);
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r->length = (double) pLen(row);
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r->width = (double) pWid(row);
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r->surface_flags = (const char *) pSurf(row);
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r->end1_flags = (const char *) pEnd1(row);
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r->end2_flags = (const char *) pEnd2(row);
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return true;
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}
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// search for the specified apt id and runway no
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bool FGRunways::search( const string& aptid, const string& rwyno, FGRunway* r )
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{
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c4_StringProp pID ("ID");
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c4_StringProp pRwy ("Rwy");
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c4_FloatProp pLon ("Longitude");
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c4_FloatProp pLat ("Latitude");
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c4_FloatProp pHdg ("Heading");
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c4_FloatProp pLen ("Length");
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c4_FloatProp pWid ("Width");
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c4_StringProp pSurf ("SurfaceFlags");
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c4_StringProp pEnd1 ("End1Flags");
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c4_StringProp pEnd2 ("End2Flags");
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int index = vRunway->Find(pID[aptid.c_str()]);
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// cout << "index = " << index << endl;
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if ( index == -1 ) {
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return false;
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}
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c4_RowRef row = vRunway->GetAt(index);
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string rowid = (const char *) pID(row);
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string rowrwyno = (const char *) pRwy(row);
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while ( rowid == aptid ) {
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next_index = index + 1;
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if ( rowrwyno == rwyno ) {
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r->id = (const char *) pID(row);
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r->rwy_no = (const char *) pRwy(row);
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r->lon = (double) pLon(row);
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r->lat = (double) pLat(row);
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r->heading = (double) pHdg(row);
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r->length = (double) pLen(row);
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r->width = (double) pWid(row);
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r->surface_flags = (const char *) pSurf(row);
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r->end1_flags = (const char *) pEnd1(row);
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r->end2_flags = (const char *) pEnd2(row);
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return true;
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}
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index++;
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c4_RowRef row = vRunway->GetAt(index);
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string rowid = (const char *) pID(row);
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string rowrwyno = (const char *) pRwy(row);
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}
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return false;
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}
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FGRunway FGRunways::search( const string& aptid ) {
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FGRunway a;
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search( aptid, &a );
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return a;
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}
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// search for the specified id
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bool FGRunways::next( FGRunway* r ) {
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c4_StringProp pID ("ID");
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c4_StringProp pRwy ("Rwy");
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c4_FloatProp pLon ("Longitude");
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c4_FloatProp pLat ("Latitude");
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c4_FloatProp pHdg ("Heading");
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c4_FloatProp pLen ("Length");
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c4_FloatProp pWid ("Width");
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c4_StringProp pSurf ("SurfaceFlags");
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c4_StringProp pEnd1 ("End1Flags");
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c4_StringProp pEnd2 ("End2Flags");
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int size = vRunway->GetSize();
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// cout << "total records = " << size << endl;
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int index = next_index;
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// cout << "index = " << index << endl;
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if ( index == -1 || index >= size ) {
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return false;
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}
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next_index = index + 1;
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c4_RowRef row = vRunway->GetAt(index);
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r->id = (const char *) pID(row);
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r->rwy_no = (const char *) pRwy(row);
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r->lon = (double) pLon(row);
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r->lat = (double) pLat(row);
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r->heading = (double) pHdg(row);
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r->length = (double) pLen(row);
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r->width = (double) pWid(row);
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r->surface_flags = (const char *) pSurf(row);
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r->end1_flags = (const char *) pEnd1(row);
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r->end2_flags = (const char *) pEnd2(row);
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return true;
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}
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// Return the runway closest to a given heading
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bool FGRunways::search( const string& aptid, const int tgt_hdg,
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FGRunway* runway )
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{
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FGRunway r;
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FGRunway br;
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double found_dir = 0.0;
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if ( !search( aptid, &r ) ) {
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SG_LOG( SG_GENERAL, SG_ALERT,
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"Failed to find " << aptid << " in database." );
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return false;
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}
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double diff;
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double min_diff = 360.0;
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while ( r.id == aptid ) {
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// forward direction
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diff = tgt_hdg - r.heading;
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while ( diff < -180.0 ) { diff += 360.0; }
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while ( diff > 180.0 ) { diff -= 360.0; }
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diff = fabs(diff);
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// SG_LOG( SG_GENERAL, SG_INFO,
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// "Runway " << r.rwy_no << " heading = " << r.heading <<
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// " diff = " << diff );
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if ( diff < min_diff ) {
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min_diff = diff;
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//runway = &r;
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br = r;
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found_dir = 0;
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}
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// reverse direction
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diff = tgt_hdg - r.heading - 180.0;
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while ( diff < -180.0 ) { diff += 360.0; }
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while ( diff > 180.0 ) { diff -= 360.0; }
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diff = fabs(diff);
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// SG_LOG( SG_GENERAL, SG_INFO,
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// "Runway -" << r.rwy_no << " heading = " <<
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// r.heading + 180.0 <<
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// " diff = " << diff );
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if ( diff < min_diff ) {
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min_diff = diff;
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//runway = &r;
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br = r;
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found_dir = 180.0;
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}
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next( &r );
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}
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// SG_LOG( SG_GENERAL, SG_INFO, "closest runway = " << runway->rwy_no
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// << " + " << found_dir );
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*runway = br;
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double heading = runway->heading + found_dir;
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while ( heading >= 360.0 ) { heading -= 360.0; }
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runway->heading = heading;
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//cout << runway->heading << " " << runway->rwy_no
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// << " " << runway->id << endl;
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return true;
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}
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// Return the runway number of the runway closest to a given heading
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string FGRunways::search( const string& aptid, const int tgt_hdg ) {
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FGRunway r;
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string rn;
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double found_dir = 0.0;
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if ( !search( aptid, &r ) ) {
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SG_LOG( SG_GENERAL, SG_ALERT,
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"Failed to find " << aptid << " in database." );
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return "NN";
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}
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double diff;
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double min_diff = 360.0;
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while ( r.id == aptid ) {
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// forward direction
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diff = tgt_hdg - r.heading;
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while ( diff < -180.0 ) { diff += 360.0; }
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while ( diff > 180.0 ) { diff -= 360.0; }
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diff = fabs(diff);
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// SG_LOG( SG_GENERAL, SG_INFO,
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// "Runway " << r.rwy_no << " heading = " << r.heading <<
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// " diff = " << diff );
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if ( diff < min_diff ) {
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min_diff = diff;
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rn = r.rwy_no;
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found_dir = 0;
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}
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// reverse direction
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diff = tgt_hdg - r.heading - 180.0;
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while ( diff < -180.0 ) { diff += 360.0; }
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while ( diff > 180.0 ) { diff -= 360.0; }
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diff = fabs(diff);
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// SG_LOG( SG_GENERAL, SG_INFO,
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// "Runway -" << r.rwy_no << " heading = " <<
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// r.heading + 180.0 <<
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// " diff = " << diff );
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if ( diff < min_diff ) {
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min_diff = diff;
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rn = r.rwy_no;
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found_dir = 180.0;
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}
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next( &r );
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}
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// SG_LOG( SG_GENERAL, SG_INFO, "closest runway = " << r.rwy_no
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// << " + " << found_dir );
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// rn = r.rwy_no;
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// cout << "In search, rn = " << rn << endl;
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if ( found_dir == 180 ) {
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int irn = atoi(rn.c_str());
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irn += 18;
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if ( irn > 36 ) {
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irn -= 36;
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}
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char buf[4]; // 2 chars + string terminator + 1 for safety
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sprintf(buf, "%i", irn);
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rn = buf;
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}
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return rn;
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}
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// Destructor
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FGRunways::~FGRunways( void ) {
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delete storage;
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}
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// Constructor
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FGRunwaysUtil::FGRunwaysUtil() {
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}
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// load the data
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int FGRunwaysUtil::load( const string& file ) {
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FGRunway r;
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string apt_id;
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runways.erase( runways.begin(), runways.end() );
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sg_gzifstream in( file );
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if ( !in.is_open() ) {
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SG_LOG( SG_GENERAL, SG_ALERT, "Cannot open file: " << file );
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exit(-1);
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}
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// skip first line of file
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char tmp[2048];
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in.getline( tmp, 2048 );
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// read in each line of the file
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#ifdef __MWERKS__
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in >> ::skipws;
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char c = 0;
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while ( in.get(c) && c != '\0' ) {
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if ( c == 'A' ) {
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in >> apt_id;
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in >> skipeol;
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} else if ( c == 'R' ) {
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in >> r;
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r.id = apt_id;
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runways.push_back(r);
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} else {
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in >> skipeol;
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}
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in >> ::skipws;
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}
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#else
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in >> ::skipws;
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while ( ! in.eof() ) {
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char c = 0;
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in.get(c);
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if ( c == 'A' ) {
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in >> apt_id;
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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 ) {
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
Loading…
Add table
Reference in a new issue