Merge branch 'next' of ssh://git.code.sf.net/p/flightgear/simgear into next
This commit is contained in:
Erik Hofman
commit
2976dc29d5
@ -38,9 +38,12 @@
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# include <simgear_config.h>
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#endif
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#include <iomanip>
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#include <string>
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#include <time.h>
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#include <cstring>
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#include <ostream>
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#include <sstream>
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#include <simgear/debug/logstream.hxx>
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#include <simgear/structure/exception.hxx>
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@ -155,6 +158,317 @@ SGMetar::~SGMetar()
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}
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static const char *azimuthName(double d)
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{
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const char *dir[] = {
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"N", "NNE", "NE", "ENE",
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"E", "ESE", "SE", "SSE",
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"S", "SSW", "SW", "WSW",
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"W", "WNW", "NW", "NNW"
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};
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d += 11.25;
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while (d < 0)
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d += 360;
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while (d >= 360)
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d -= 360;
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return dir[int(d / 22.5)];
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}
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// round double to 10^g
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static double rnd(double r, int g = 0)
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{
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double f = pow(10.0, g);
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return f * floor(r / f + 0.5);
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}
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/* A manipulator that can use spaces to emulate tab characters. */
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struct Tab
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{
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/* If <stops> is 0, we simply insert tab characters. Otherwise we insert
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spaces to align with the next column at multiple of <stops>. */
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explicit Tab(int stops)
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:
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_stops(stops)
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{}
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int _stops;
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};
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std::ostream& operator << (std::ostream& out, const Tab& t)
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{
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if (t._stops == 0) {
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return out << '\t';
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}
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std::ostringstream& out2 = *(std::ostringstream*) &out;
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std::string s = out2.str();
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auto nl = s.rfind('\n');
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if (nl < 0) nl = 0;
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int column = 0;
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for (auto i = nl+1; i != s.size(); ++i) {
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if (s[i] == '\t')
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column = (column + t._stops) / t._stops * t._stops;
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else
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column += 1;
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}
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int column2 = (column + t._stops) / t._stops * t._stops;
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for (int i=column; i<column2; ++i) {
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out << ' ';
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}
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return out;
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}
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/* Manipulator for SGMetarVisibility using a Tab. */
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struct SGMetarVisibilityManip
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{
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explicit SGMetarVisibilityManip(const SGMetarVisibility& v, const Tab& tab)
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:
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_v(v),
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_tab(tab)
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{}
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const SGMetarVisibility& _v;
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const Tab& _tab;
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};
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std::ostream& operator << (std::ostream& out, const SGMetarVisibilityManip& v)
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{
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int m = v._v.getModifier();
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const char *mod;
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if (m == SGMetarVisibility::GREATER_THAN)
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mod = ">=";
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else if (m == SGMetarVisibility::LESS_THAN)
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mod = "<";
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else
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mod = "";
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out << mod;
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double dist = rnd(v._v.getVisibility_m(), 1);
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if (dist < 1000.0)
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out << rnd(dist, 1) << " m";
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else
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out << rnd(dist / 1000.0, -1) << " km";
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const char *dir = "";
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int i;
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if ((i = v._v.getDirection()) != -1) {
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dir = azimuthName(i);
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out << " " << dir;
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}
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out << v._tab << v._tab << v._tab << v._tab << v._tab;
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out << mod << rnd(v._v.getVisibility_sm(), -1) << " US-miles " << dir;
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return out;
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}
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std::string SGMetar::getDescription(int tabstops) const
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{
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std::ostringstream out;
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const char *s;
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char buf[256];
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double d;
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int i, lineno;
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Tab tab(tabstops);
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out << "METAR Report";
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if ((i = getReportType()) == SGMetar::AUTO)
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out << tab << tab << "(automatically generated)";
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else if (i == SGMetar::COR)
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out << tab << tab << "(manually corrected)";
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else if (i == SGMetar::RTD)
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out << tab << tab << "(routine delayed)";
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out << "\n";
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out << "============" << "\n";
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out << "Airport-Id:" << tab << tab << getId() << "\n";
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// date/time
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int year = getYear();
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int month = getMonth();
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out << "Report time:" << tab << tab << year << '/' << month << '/' << getDay();
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out << ' ' << getHour() << ':';
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out << std::setw(2) << std::setfill('0') << getMinute() << " UTC\n";
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// visibility
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SGMetarVisibility minvis = getMinVisibility();
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SGMetarVisibility maxvis = getMaxVisibility();
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double min = minvis.getVisibility_m();
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double max = maxvis.getVisibility_m();
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if (min != NaN) {
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if (max != NaN) {
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out << "min. Visibility:" << tab << SGMetarVisibilityManip(minvis, tab) << "\n";
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out << "max. Visibility:" << tab << SGMetarVisibilityManip(maxvis, tab) << "\n";
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} else {
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out << "Visibility:" << tab << tab << SGMetarVisibilityManip(minvis, tab) << "\n";
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}
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}
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// directed visibility
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const SGMetarVisibility *dirvis = getDirVisibility();
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for (i = 0; i < 8; i++, dirvis++)
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if (dirvis->getVisibility_m() != NaN)
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out << tab << tab << tab << SGMetarVisibilityManip(*dirvis, tab) << "\n";
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// vertical visibility
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SGMetarVisibility vertvis = getVertVisibility();
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if ((d = vertvis.getVisibility_ft()) != NaN)
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out << "Vert. visibility:" << tab << SGMetarVisibilityManip(vertvis, tab) << "\n";
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else if (vertvis.getModifier() == SGMetarVisibility::NOGO)
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out << "Vert. visibility:" << tab << "impossible to determine" << "\n";
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// wind
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d = getWindSpeed_kmh();
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out << "Wind:" << tab << tab << tab;
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if (d < .1)
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out << "none" << "\n";
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else {
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if ((i = getWindDir()) == -1)
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out << "from variable directions";
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else
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out << "from the " << azimuthName(i) << " (" << i << "°)";
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out << " at " << rnd(d, -1) << " km/h";
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out << tab << tab << rnd(getWindSpeed_kt(), -1) << " kt";
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out << " = " << rnd(getWindSpeed_mph(), -1) << " mph";
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out << " = " << rnd(getWindSpeed_mps(), -1) << " m/s";
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out << "\n";
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d = getGustSpeed_kmh();
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if (d != NaN && d != 0) {
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out << tab << tab << tab << "with gusts at " << rnd(d, -1) << " km/h";
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out << tab << tab << tab << rnd(getGustSpeed_kt(), -1) << " kt";
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out << " = " << rnd(getGustSpeed_mph(), -1) << " mph";
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out << " = " << rnd(getGustSpeed_mps(), -1) << " m/s";
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out << "\n";
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}
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int from = getWindRangeFrom();
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int to = getWindRangeTo();
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if (from != to) {
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out << tab << tab << tab << "variable from " << azimuthName(from);
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out << " to " << azimuthName(to);
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out << " (" << from << "°--" << to << "°)" << "\n";
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}
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}
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// temperature/humidity/air pressure
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if ((d = getTemperature_C()) != NaN) {
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out << "Temperature:" << tab << tab << d << "°C" << tab << tab << tab << tab << tab;
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out << rnd(getTemperature_F(), -1) << "°F" << "\n";
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if ((d = getDewpoint_C()) != NaN) {
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out << "Dewpoint:" << tab << tab << d << "°C" << tab << tab << tab << tab << tab;
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out << rnd(getDewpoint_F(), -1) << "°F" << "\n";
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out << "Rel. Humidity: " << tab << tab << rnd(getRelHumidity()) << "%" << "\n";
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}
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}
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if ((d = getPressure_hPa()) != NaN) {
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out << "Pressure:" << tab << tab << rnd(d) << " hPa" << tab << tab << tab << tab;
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out << rnd(getPressure_inHg(), -2) << " in. Hg" << "\n";
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}
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// weather phenomena
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vector<string> wv = getWeather();
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vector<string>::iterator weather;
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for (i = 0, weather = wv.begin(); weather != wv.end(); weather++, i++) {
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out << (i ? ", " : "Weather:") << tab << tab << weather->c_str();
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}
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if (i)
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out << "\n";
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// cloud layers
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const char *coverage_string[5] = {
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"clear skies", "few clouds", "scattered clouds", "broken clouds", "sky overcast"
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};
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vector<SGMetarCloud> cv = getClouds();
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vector<SGMetarCloud>::iterator cloud;
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for (lineno = 0, cloud = cv.begin(); cloud != cv.end(); cloud++, lineno++) {
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if (lineno) out << tab << tab << tab;
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else out << "Sky condition:" << tab << tab;
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if ((i = cloud->getCoverage()) != -1)
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out << coverage_string[i];
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if ((d = cloud->getAltitude_ft()) != NaN)
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out << " at " << rnd(d, 1) << " ft";
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if ((s = cloud->getTypeLongString()))
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out << " (" << s << ')';
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if (d != NaN)
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out << tab << tab << tab << rnd(cloud->getAltitude_m(), 1) << " m";
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out << "\n";
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}
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// runways
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map<string, SGMetarRunway> rm = getRunways();
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map<string, SGMetarRunway>::iterator runway;
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for (runway = rm.begin(); runway != rm.end(); runway++) {
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lineno = 0;
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if (!strcmp(runway->first.c_str(), "ALL"))
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out << "All runways:" << tab << tab;
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else
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out << "Runway " << runway->first << ":" << tab << tab;
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SGMetarRunway rwy = runway->second;
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// assemble surface string
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vector<string> surface;
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if ((s = rwy.getDepositString()) && strlen(s))
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surface.push_back(s);
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if ((s = rwy.getExtentString()) && strlen(s))
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surface.push_back(s);
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if ((d = rwy.getDepth()) != NaN) {
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sprintf(buf, "%.1lf mm", d * 1000.0);
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surface.push_back(buf);
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}
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if ((s = rwy.getFrictionString()) && strlen(s))
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surface.push_back(s);
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if ((d = rwy.getFriction()) != NaN) {
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sprintf(buf, "friction: %.2lf", d);
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surface.push_back(buf);
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}
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if (! surface.empty()) {
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vector<string>::iterator rwysurf = surface.begin();
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for (i = 0; rwysurf != surface.end(); rwysurf++, i++) {
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if (i)
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out << ", ";
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out << *rwysurf;
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}
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lineno++;
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}
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// assemble visibility string
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SGMetarVisibility minvis = rwy.getMinVisibility();
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SGMetarVisibility maxvis = rwy.getMaxVisibility();
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if ((d = minvis.getVisibility_m()) != NaN) {
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if (lineno++)
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out << "\n" << tab << tab << tab;
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out << SGMetarVisibilityManip(minvis, tab);
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}
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if (maxvis.getVisibility_m() != d) {
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out << "\n" << tab << tab << tab << SGMetarVisibilityManip(maxvis, tab) << "\n";
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lineno++;
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}
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if (rwy.getWindShear()) {
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if (lineno++)
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out << "\n" << tab << tab << tab;
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out << "critical wind shear" << "\n";
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}
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out << "\n";
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}
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out << "\n";
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return out.str();
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}
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void SGMetar::useCurrentDate()
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{
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struct tm now;
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@ -235,6 +235,11 @@ public:
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inline const std::vector<std::string>& getWeather() const { return _weather; }
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inline const std::vector<struct Weather> getWeather2() const { return _weather2; }
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/* Returns human-readable description. If tabtops is 0, we use tab
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characters, otherwise we use spaces to pad to multiple of <tabstops>.
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*/
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std::string getDescription(int tabstops) const;
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protected:
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std::string _url;
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int _grpcount;
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