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Add Melchior FRANZ's metar class. It is not yet used anywhere (but in the resulting metar executable), but it makes adding live weather quite easy.

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This commit is contained in:
ehofman 2004-01-24 10:38:39 +00:00
parent 816d84457c
commit f845aa9b2a
4 changed files with 1858 additions and 3 deletions
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17
src/Environment/Makefile.am
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noinst_LIBRARIES = libEnvironment.a
libEnvironment_a_SOURCES = environment.cxx environment.hxx \
environment_mgr.cxx environment_mgr.hxx \
environment_ctrl.cxx environment_ctrl.hxx
libEnvironment_a_SOURCES = \
environment.cxx environment.hxx \
environment_mgr.cxx environment_mgr.hxx \
environment_ctrl.cxx environment_ctrl.hxx \
metar.cxx metar.hxx
bin_PROGRAMS = metar
metar_SOURCES = metar-main.cxx metar.cxx metar.hxx
metar_LDADD = \
-lsgio -lsgbucket -lsgmisc -lsgstructure -lsgdebug \
-lplibnet -lplibul \
-lz $(base_LIBS)
INCLUDES = -I$(top_srcdir) -I$(top_srcdir)/src

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src/Environment/metar-main.cxx Normal file
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// metar interface class demo
//
// Written by Melchior FRANZ, started December 2003.
//
// Copyright (C) 2003 Melchior FRANZ - mfranz@aon.at
//
// 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, 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA
//
// $Id$
#include <iomanip>
#include <sstream>
#include <simgear/debug/logstream.hxx>
#include <simgear/structure/exception.hxx>
#include "metar.hxx"
using std::ostringstream;
// text color
#if defined(__linux__) || defined( __sun__ ) ||defined(__CYGWIN__) || defined( __FreeBSD__ )
# define R "\033[31;1m" // red
# define G "\033[32;1m" // green
# define Y "\033[33;1m" // yellow
# define B "\033[34;1m" // blue
# define M "\033[35;1m" // magenta
# define C "\033[36;1m" // cyan
# define W "\033[37;1m" // white
# define N "\033[m" // normal
#else
# define R ""
# define G ""
# define Y ""
# define B ""
# define M ""
# define C ""
# define W ""
# define N ""
#endif
const char *azimuthName(double d);
double rnd(double number, int digits);
void printReport(Metar *m);
void printVisibility(FGMetarVisibility *v);
void printArgs(Metar *m, double airport_elevation);
const char *azimuthName(double d)
{
const char *dir[] = {
"N", "NNE", "NE", "ENE",
"E", "ESE", "SE", "SSE",
"S", "SSW", "SW", "WSW",
"W", "WNW", "NW", "NNW"
};
d += 11.25;
while (d < 0)
d += 360;
while (d >= 360)
d -= 360;
return dir[int(d / 22.5)];
}
// round double to 10^g
double rnd(double r, int g = 0)
{
double f = pow(10.0, g);
return f * rint(r / f);
}
ostream& operator<<(ostream& s, FGMetarVisibility& v)
{
ostringstream buf;
int m = v.getModifier();
const char *mod;
if (m == FGMetarVisibility::GREATER_THAN)
mod = ">=";
else if (m == FGMetarVisibility::LESS_THAN)
mod = "<";
else
mod = "";
buf << mod;
double dist = rnd(v.getVisibility_m(), 1);
if (dist < 1000.0)
buf << rnd(dist, 1) << " m";
else
buf << rnd(dist / 1000.0, -1) << " km";
const char *dir = "";
int i;
if ((i = v.getDirection()) != -1) {
dir = azimuthName(i);
buf << " " << dir;
}
buf << "\t\t\t\t\t" << mod << rnd(v.getVisibility_sm(), -1) << " US-miles " << dir;
return s << buf.str();
}
void printReport(Metar *m)
{
#define NaN FGMetarNaN
const char *s;
char buf[256];
double d;
int i, lineno;
if ((i = m->getReportType()) == Metar::AUTO)
s = "\t\t(automatically generated)";
else if (i == Metar::COR)
s = "\t\t(manually corrected)";
else if (i == Metar::RTD)
s = "\t\t(routine delayed)";
else
s = "";
cout << "METAR Report" << s << endl;
cout << "============" << endl;
cout << "Airport-Id:\t\t" << m->getId() << endl;
// date/time
int year = m->getYear();
int month = m->getMonth();
cout << "Report time:\t\t";
if (year != -1 && month != -1)
cout << year << '/' << month << '/' << m->getDay();
cout << ' ' << m->getHour() << ':';
cout << std::setw(2) << std::setfill('0') << m->getMinute() << " UTC" << endl;
// visibility
FGMetarVisibility minvis = m->getMinVisibility();
FGMetarVisibility maxvis = m->getMaxVisibility();
double min = minvis.getVisibility_m();
double max = maxvis.getVisibility_m();
if (min != NaN) {
if (max != NaN) {
cout << "min. Visibility:\t" << minvis << endl;
cout << "max. Visibility:\t" << maxvis << endl;
} else
cout << "Visibility:\t\t" << minvis << endl;
}
// directed visibility
FGMetarVisibility *dirvis = m->getDirVisibility();
for (i = 0; i < 8; i++, dirvis++)
if (dirvis->getVisibility_m() != NaN)
cout << "\t\t\t" << *dirvis << endl;
// vertical visibility
FGMetarVisibility vertvis = m->getVertVisibility();
if ((d = vertvis.getVisibility_ft()) != NaN)
cout << "Vert. visibility:\t" << vertvis << endl;
else if (vertvis.getModifier() == FGMetarVisibility::NOGO)
cout << "Vert. visibility:\timpossible to determine" << endl;
// wind
d = m->getWindSpeed_kmh();
cout << "Wind:\t\t\t";
if (d < .1)
cout << "none" << endl;
else {
if ((i = m->getWindDir()) == -1)
cout << "from variable directions";
else
cout << "from the " << azimuthName(i) << " (" << i << "°)";
cout << " at " << rnd(d, -1) << " km/h";
cout << "\t\t" << rnd(m->getWindSpeed_kt(), -1) << " kt";
cout << " = " << rnd(m->getWindSpeed_mph(), -1) << " mph";
cout << " = " << rnd(m->getWindSpeed_mps(), -1) << " m/s";
cout << endl;
if ((d = m->getGustSpeed_kmh()) != NaN) {
cout << "\t\t\twith gusts at " << rnd(d, -1) << " km/h";
cout << "\t\t\t" << rnd(m->getGustSpeed_kt(), -1) << " kt";
cout << " = " << rnd(m->getGustSpeed_mph(), -1) << " mph";
cout << " = " << rnd(m->getGustSpeed_mps(), -1) << " m/s";
cout << endl;
}
int from = m->getWindRangeFrom();
int to = m->getWindRangeTo();
if (from != to) {
cout << "\t\t\tvariable from " << azimuthName(from);
cout << " to " << azimuthName(to);
cout << " (" << from << "°--" << to << "°)" << endl;
}
}
// temperature/humidity/air pressure
if ((d = m->getTemperature_C()) != NaN) {
cout << "Temperature:\t\t" << d << "°C\t\t\t\t\t";
cout << rnd(m->getTemperature_F(), -1) << "°F" << endl;
if ((d = m->getDewpoint_C()) != NaN) {
cout << "Dewpoint:\t\t" << d << "°C\t\t\t\t\t";
cout << rnd(m->getDewpoint_F(), -1) << "°F" << endl;
cout << "Rel. Humidity:\t\t" << rnd(m->getRelHumidity()) << "%" << endl;
}
}
if ((d = m->getPressure_hPa()) != NaN) {
cout << "Pressure:\t\t" << rnd(d) << " hPa\t\t\t\t";
cout << rnd(m->getPressure_inHg(), -2) << " in. Hg" << endl;
}
// weather phenomena
vector<string> wv = m->getWeather();
vector<string>::iterator weather;
for (i = 0, weather = wv.begin(); weather != wv.end(); weather++, i++) {
cout << (i ? ", " : "Weather:\t\t") << weather->c_str();
}
if (i)
cout << endl;
// cloud layers
const char *coverage_string[5] = {
"clear skies", "few clouds", "scattered clouds", "broken clouds", "sky overcast"
};
vector<FGMetarCloud> cv = m->getClouds();
vector<FGMetarCloud>::iterator cloud;
for (lineno = 0, cloud = cv.begin(); cloud != cv.end(); cloud++, lineno++) {
cout << (lineno ? "\t\t\t" : "Sky condition:\t\t");
if ((i = cloud->getCoverage()) != -1)
cout << coverage_string[i];
if ((d = cloud->getAltitude_ft()) != NaN)
cout << " at " << rnd(d, 1) << " ft";
if ((s = cloud->getTypeLongString()))
cout << " (" << s << ')';
if (d != NaN)
cout << "\t\t\t" << rnd(cloud->getAltitude_m(), 1) << " m";
cout << endl;
}
// runways
map<string, FGMetarRunway> rm = m->getRunways();
map<string, FGMetarRunway>::iterator runway;
for (runway = rm.begin(); runway != rm.end(); runway++) {
lineno = 0;
if (!strcmp(runway->first.c_str(), "ALL"))
cout << "All runways:\t\t";
else
cout << "Runway " << runway->first << ":\t\t";
FGMetarRunway rwy = runway->second;
// assemble surface string
vector<string> surface;
if ((s = rwy.getDeposit()) && strlen(s))
surface.push_back(s);
if ((s = rwy.getExtentString()) && strlen(s))
surface.push_back(s);
if ((d = rwy.getDepth()) != NaN) {
sprintf(buf, "%.0lf mm", d * 1000.0);
surface.push_back(buf);
}
if ((s = rwy.getFrictionString()) && strlen(s))
surface.push_back(s);
if ((d = rwy.getFriction()) != NaN) {
sprintf(buf, "friction: %.2lf", d);
surface.push_back(buf);
}
if (surface.size()) {
vector<string>::iterator rwysurf = surface.begin();
for (i = 0; rwysurf != surface.end(); rwysurf++, i++) {
if (i)
cout << ", ";
cout << *rwysurf;
}
lineno++;
}
// assemble visibility string
FGMetarVisibility minvis = rwy.getMinVisibility();
FGMetarVisibility maxvis = rwy.getMaxVisibility();
if ((d = minvis.getVisibility_m()) != NaN) {
if (lineno++)
cout << endl << "\t\t\t";
cout << minvis;
}
if (maxvis.getVisibility_m() != d) {
cout << endl << "\t\t\t" << maxvis << endl;
lineno++;
}
if (rwy.getWindShear()) {
if (lineno++)
cout << endl << "\t\t\t";
cout << "critical wind shear" << endl;
}
cout << endl;
}
cout << endl;
#undef NaN
}
void printArgs(Metar *m, double airport_elevation)
{
#define NaN FGMetarNaN
vector<string> args;
char buf[256];
int i;
// ICAO id
sprintf(buf, "--airport=%s ", m->getId());
args.push_back(buf);
// report time
sprintf(buf, "--start-date-gmt=%4d:%02d:%02d:%02d:%02d:00 ",
m->getYear(), m->getMonth(), m->getDay(),
m->getHour(), m->getMinute());
args.push_back(buf);
// cloud layers
const char *coverage_string[5] = {
"clear", "few", "scattered", "broken", "overcast"
};
vector<FGMetarCloud> cv = m->getClouds();
vector<FGMetarCloud>::iterator cloud;
for (i = 0, cloud = cv.begin(); i < 5; i++) {
int coverage = 0;
double altitude = -99999;
if (cloud != cv.end()) {
coverage = cloud->getCoverage();
altitude = coverage ? cloud->getAltitude_ft() + airport_elevation : -99999;
cloud++;
}
sprintf(buf, "--prop:/environment/clouds/layer[%d]/coverage=%s ", i, coverage_string[coverage]);
args.push_back(buf);
sprintf(buf, "--prop:/environment/clouds/layer[%d]/elevation-ft=%.0lf ", i, altitude);
args.push_back(buf);
sprintf(buf, "--prop:/environment/clouds/layer[%d]/thickness-ft=500 ", i);
args.push_back(buf);
}
// environment (temperature, dewpoint, visibility, pressure)
// metar sets don't provide aloft information; we have to
// set the same values for all boundary levels
int wind_dir = m->getWindDir();
double visibility = m->getMinVisibility().getVisibility_m();
double dewpoint = m->getDewpoint_C();
double temperature = m->getTemperature_C();
double pressure = m->getPressure_inHg();
double wind_speed = m->getWindSpeed_kt();
double elevation = -100;
for (i = 0; i < 3; i++, elevation += 2000.0) {
sprintf(buf, "--prop:/environment/config/boundary/entry[%d]/", i);
int pos = strlen(buf);
sprintf(&buf[pos], "elevation-ft=%.0lf", elevation);
args.push_back(buf);
sprintf(&buf[pos], "turbulence-norm=%.0lf", 0.0);
args.push_back(buf);
if (visibility != NaN) {
sprintf(&buf[pos], "visibility-m=%.0lf", visibility);
args.push_back(buf);
}
if (temperature != NaN) {
sprintf(&buf[pos], "temperature-degc=%.0lf", temperature);
args.push_back(buf);
}
if (dewpoint != NaN) {
sprintf(&buf[pos], "dewpoint-degc=%.0lf", dewpoint);
args.push_back(buf);
}
if (pressure != NaN) {
sprintf(&buf[pos], "pressure-sea-level-inhg=%.0lf", pressure);
args.push_back(buf);
}
if (wind_dir != NaN) {
sprintf(&buf[pos], "wind-from-heading-deg=%d", wind_dir);
args.push_back(buf);
}
if (wind_speed != NaN) {
sprintf(&buf[pos], "wind-speed-kt=%.0lf", wind_speed);
args.push_back(buf);
}
}
// wind dir@speed
int range_from = m->getWindRangeFrom();
int range_to = m->getWindRangeTo();
double gust_speed = m->getGustSpeed_kt();
if (wind_speed != NaN && wind_dir != -1) {
strcpy(buf, "--wind=");
if (range_from != -1 && range_to != -1)
sprintf(&buf[strlen(buf)], "%d:%d", range_from, range_to);
else
sprintf(&buf[strlen(buf)], "%d", wind_dir);
sprintf(&buf[strlen(buf)], "@%.0lf", wind_speed);
if (gust_speed != NaN)
sprintf(&buf[strlen(buf)], ":%.0lf", gust_speed);
args.push_back(buf);
}
// output everything
cout << "fgfs" << endl;
vector<string>::iterator arg;
for (i = 0, arg = args.begin(); arg != args.end(); i++, arg++) {
cout << "\t" << *arg << endl;
}
cout << endl;
#undef NaN
}
const char *metar_list[] = {
"LOWW", "VHHH", "ULLI", "EHTW", "EFHK", "CYXU", 0, // note the trailing zero
"CYGK", "CYOW", "CYQY", "CYTZ", "CYXU", "EBBR", "EDDB", "EDDK", "EDVE", "EFHF",
"EFHK", "EGLC", "EGLL", "EHTW", "EIDW", "ENGM", "GMMN", "KART", "KBFI", "KBOS",
"KCCR", "KCEZ", "KCOF", "KDAL", "KDEN", "KDSM", "KEDW", "KEMT", "KENW", "KHON",
"KIGM", "KJFK", "KLAX", "KMCI", "KMKE", "KMLB", "KMSY", "KNBC", "KOAK", "KORD",
"KPNE", "KSAC", "KSAN", "KSEA", "KSFO", "KSJC", "KSMF", "KSMO", "KSNS", "KSQL",
"KSUN", "LBSF", "LEMD", "LFPG", "LFPO", "LGAT", "LHBP", "LIPQ", "LIRA", "LKPR",
"LLJR", "LOWG", "LOWI", "LOWK", "LOWL", "LOWS", "LOWW", "LOWZ", "LOXA", "LOXT",
"LOXZ", "LSZH", "LYBE", "NZWP", "ORBS", "PHNL", "ULLI", "VHHH", "WMKB", "YSSY",
0
};
int main(int argc, char *argv[])
{
const char **src = metar_list;
if (argc > 1)
src = (const char **)&argv[1];
for (int i = 0; src[i]; i++) {
const char *icao = src[i];
try {
Metar *m = new Metar(icao);
//Metar *m = new Metar("2004/01/11 01:20\nLOWG 110120Z AUTO VRB01KT 0050 1600N R35/0600 FG M06/M06 Q1019 88//////\n");
printf(G"INPUT: %s\n"N, m->getData());
const char *unused = m->getUnusedData();
if (*unused)
printf(R"UNUSED: %s\n"N, unused);
printReport(m);
//printArgs(m, 0.0);
delete m;
} catch (const sg_io_exception& e) {
fprintf(stderr, R"ERROR: %s\n\n"N, e.getFormattedMessage().c_str());
}
}
return 0;
}

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src/Environment/metar.cxx Normal file
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// metar interface class
//
// Written by Melchior FRANZ, started December 2003.
//
// Copyright (C) 2003 Melchior FRANZ - mfranz@aon.at
//
// 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, 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA
//
// $Id$
#ifndef _METAR_HXX
#define _METAR_HXX
#include <vector>
#include <map>
#include <string>
#include <simgear/constants.h>
SG_USING_STD(vector);
SG_USING_STD(map);
SG_USING_STD(string);
const double FGMetarNaN = -1E20;
#define NaN FGMetarNaN
struct Token {
char *id;
char *text;
};
class Metar;
class FGMetarVisibility {
friend class Metar;
public:
FGMetarVisibility() :
_distance(NaN),
_direction(-1),
_modifier(EQUALS),
_tendency(NONE) {}
enum Modifier {
NOGO,
EQUALS,
LESS_THAN,
GREATER_THAN
};
enum Tendency {
NONE,
STABLE,
INCREASING,
DECREASING
};
inline double getVisibility_m() const { return _distance; }
inline double getVisibility_ft() const { return _distance == NaN ? NaN : _distance * SG_METER_TO_FEET; }
inline double getVisibility_sm() const { return _distance == NaN ? NaN : _distance * SG_METER_TO_SM; }
inline int getDirection() const { return _direction; }
inline int getModifier() const { return _modifier; }
inline int getTendency() const { return _tendency; }
protected:
double _distance;
int _direction;
int _modifier;
int _tendency;
};
// runway condition (surface and visibility)
class FGMetarRunway {
friend class Metar;
public:
FGMetarRunway() :
_deposit(0),
_extent(-1),
_extent_string(0),
_depth(NaN),
_friction(NaN),
_friction_string(0),
_comment(0),
_wind_shear(false) {}
inline const char *getDeposit() const { return _deposit; }
inline double getExtent() const { return _extent; }
inline const char *getExtentString() const { return _extent_string; }
inline double getDepth() const { return _depth; }
inline double getFriction() const { return _friction; }
inline const char *getFrictionString() const { return _friction_string; }
inline const char *getComment() const { return _comment; }
inline const bool getWindShear() const { return _wind_shear; }
inline FGMetarVisibility getMinVisibility() const { return _min_visibility; }
inline FGMetarVisibility getMaxVisibility() const { return _max_visibility; }
protected:
FGMetarVisibility _min_visibility;
FGMetarVisibility _max_visibility;
const char *_deposit;
int _extent;
const char *_extent_string;
double _depth;
double _friction;
const char *_friction_string;
const char *_comment;
bool _wind_shear;
};
// cloud layer
class FGMetarCloud {
friend class Metar;
public:
FGMetarCloud() :
_coverage(-1),
_altitude(NaN),
_type(0),
_type_long(0) {}
inline int getCoverage() const { return _coverage; }
inline double getAltitude_m() const { return _altitude; }
inline double getAltitude_ft() const { return _altitude == NaN ? NaN : _altitude * SG_METER_TO_FEET; }
inline char *getTypeString() const { return _type; }
inline char *getTypeLongString() const { return _type_long; }
protected:
int _coverage; // quarters: 0 -> clear ... 4 -> overcast
double _altitude; // 1000 m
char *_type; // CU
char *_type_long; // cumulus
};
class Metar {
public:
Metar(const char *m);
Metar(const string m) { Metar(m.c_str()); }
~Metar();
enum ReportType {
NONE,
AUTO,
COR,
RTD
};
inline const char *getData() const { return _data; }
inline const char *getUnusedData() const { return _m; }
inline const char *getId() const { return _icao; }
inline int getYear() const { return _year; }
inline int getMonth() const { return _month; }
inline int getDay() const { return _day; }
inline int getHour() const { return _hour; }
inline int getMinute() const { return _minute; }
inline int getReportType() const { return _report_type; }
inline int getWindDir() const { return _wind_dir; }
inline double getWindSpeed_mps() const { return _wind_speed; }
inline double getWindSpeed_kmh() const { return _wind_speed == NaN ? NaN : _wind_speed * 3.6; }
inline double getWindSpeed_kt() const { return _wind_speed == NaN ? NaN : _wind_speed * SG_MPS_TO_KT; }
inline double getWindSpeed_mph() const { return _wind_speed == NaN ? NaN : _wind_speed * SG_MPS_TO_MPH; }
inline double getGustSpeed_mps() const { return _gust_speed; }
inline double getGustSpeed_kmh() const { return _gust_speed == NaN ? NaN : _gust_speed * 3.6; }
inline double getGustSpeed_kt() const { return _gust_speed == NaN ? NaN : _gust_speed * SG_MPS_TO_KT; }
inline double getGustSpeed_mph() const { return _gust_speed == NaN ? NaN : _gust_speed * SG_MPS_TO_MPH; }
inline int getWindRangeFrom() const { return _wind_range_from; }
inline int getWindRangeTo() const { return _wind_range_to; }
inline FGMetarVisibility& getMinVisibility() { return _min_visibility; }
inline FGMetarVisibility& getMaxVisibility() { return _max_visibility; }
inline FGMetarVisibility& getVertVisibility() { return _vert_visibility; }
inline FGMetarVisibility *getDirVisibility() { return _dir_visibility; }
inline double getTemperature_C() const { return _temp; }
inline double getTemperature_F() const { return _temp == NaN ? NaN : 1.8 * _temp + 32; }
inline double getDewpoint_C() const { return _dewp; }
inline double getDewpoint_F() const { return _dewp == NaN ? NaN : 1.8 * _dewp + 32; }
inline double getPressure_hPa() const { return _pressure == NaN ? NaN : _pressure / 100; }
inline double getPressure_inHg() const { return _pressure == NaN ? NaN : _pressure * SG_PA_TO_INHG; }
double getRelHumidity() const;
inline vector<FGMetarCloud>& getClouds() { return _clouds; }
inline map<string, FGMetarRunway>& getRunways() { return _runways; }
inline vector<string>& getWeather() { return _weather; }
protected:
int _grpcount;
char *_data;
char *_m;
char _icao[5];
int _year;
int _month;
int _day;
int _hour;
int _minute;
int _report_type;
int _wind_dir;
double _wind_speed;
double _gust_speed;
int _wind_range_from;
int _wind_range_to;
double _temp;
double _dewp;
double _pressure;
FGMetarVisibility _min_visibility;
FGMetarVisibility _max_visibility;
FGMetarVisibility _vert_visibility;
FGMetarVisibility _dir_visibility[8];
vector<FGMetarCloud> _clouds;
map<string, FGMetarRunway> _runways;
vector<string> _weather;
bool scanPreambleDate();
bool scanPreambleTime();
bool scanType();
bool scanId();
bool scanDate();
bool scanModifier();
bool scanWind();
bool scanVariability();
bool scanVisibility();
bool scanRwyVisRange();
bool scanSkyCondition();
bool scanWeather();
bool scanTemperature();
bool scanPressure();
bool scanRunwayReport();
bool scanWindShear();
bool scanTrendForecast();
bool scanColorState();
bool scanRemark();
bool scanRemainder();
int scanNumber(char **str, int *num, int min, int max = 0);
bool scanBoundary(char **str);
const struct Token *scanToken(char **str, const struct Token *list);
char *loadData(const char *id);
void normalizeData();
};
#undef NaN
#endif // _METAR_HXX