1 // atis.cxx - routines to generate the ATIS info string
2 // This is the implementation of the FGATIS class
4 // Written by David Luff, started October 2001.
6 // Copyright (C) 2001 David C Luff - david.luff@nottingham.ac.uk
8 // This program is free software; you can redistribute it and/or
9 // modify it under the terms of the GNU General Public License as
10 // published by the Free Software Foundation; either version 2 of the
11 // License, or (at your option) any later version.
13 // This program is distributed in the hope that it will be useful, but
14 // WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 // General Public License for more details.
18 // You should have received a copy of the GNU General Public License
19 // along with this program; if not, write to the Free Software
20 // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
27 #include <simgear/compiler.h>
29 #include <stdlib.h> // atoi()
30 #include <stdio.h> // sprintf
35 #if !defined(SG_HAVE_NATIVE_SGI_COMPILERS)
39 //#include <simgear/debug/logstream.hxx>
40 //#include <simgear/misc/sgstream.hxx>
41 #include <simgear/misc/sg_path.hxx>
44 # include <WeatherCM/FGLocalWeatherDatabase.h>
46 # include <Environment/environment_mgr.hxx>
47 # include <Environment/environment.hxx>
50 #include <Main/fg_props.hxx>
51 #include <Main/globals.hxx>
52 #include <Airports/runways.hxx>
55 #include "atislist.hxx"
56 #include "ATCdisplay.hxx"
57 #include "ATCutils.hxx"
65 x(0.0), y(0.0), z(0.0),
82 // Main update function - checks whether we are displaying or not the correct message.
83 void FGATIS::Update() {
86 // Check if we need to update the message
87 // - basically every hour and if the weather changes significantly at the station
88 //globals->get_ATC_display()->ChangeRepeatingMessage(transmission);
90 // We need to get and display the message
92 //cout << "ATIS.CXX - calling ATCMgr to render transmission..." << endl;
93 globals->get_ATC_mgr()->Render(transmission, true);
97 // We shouldn't be displaying
99 //cout << "ATIS.CXX - calling NoRender()..." << endl;
100 globals->get_ATC_mgr()->NoRender();
106 // Sets the actual broadcast ATIS transmission.
107 void FGATIS::UpdateTransmission() {
111 string phonetic_id_string;
112 string time_str = fgGetString("sim/time/gmt-string");
117 sgVec3 position = { lat, lon, elev };
118 FGPhysicalProperty stationweather = WeatherDatabase->get(position);
120 FGEnvironment stationweather =
121 globals->get_environment_mgr()->getEnvironment(lat, lon, elev);
126 // UK CAA radiotelephony manual indicated ATIS transmissions start with "This is"
127 // Not sure about rest of the world though.
128 transmission += "This_is ";
129 // transmitted station name.
130 transmission += name;
132 transmission += " information";
134 //cout << "In atis.cxx, time_str = " << time_str << '\n';
135 // Add the recording identifier
136 // For now we will assume we only transmit every hour
137 hours = atoi((time_str.substr(1,2)).c_str()); //Warning - this is fragile if the
138 //time string format changes
139 //cout << "In atis.cxx, hours = " << hours << endl;
140 phonetic_id = current_atislist->GetCallSign(ident, hours, 0);
141 phonetic_id_string = GetPhoneticIdent(phonetic_id);
143 transmission += phonetic_id_string;
145 // Output the recording time. - we'll just output the last whole hour for now.
146 // FIXME - this only gets GMT time but that appears to be all the clock outputs for now
147 //cout << "in atis.cxx, time = " << time_str << endl;
148 transmission = transmission + " / Weather " + ConvertNumToSpokenDigits((time_str.substr(0,3) + "00")) + " hours zulu";
150 // Get the temperature
151 // (Hardwire it for now since the global property returns the temperature at the current altitude
152 //temperature = fgGetDouble("/environment/weather/temperature-K");
154 sprintf(buf, "%i", int(stationweather.Temperature - 273.15));
156 // HACK ALERT - at the moment the new environment subsystem returns bogus temperatures
157 // FIXME - take out this hack when this gets fixed upstream
158 int temp = (int)stationweather.get_temperature_degc();
159 if((temp < -50) || (temp > 60)) {
163 //sprintf(buf, "%d", int(stationweather.get_temperature_degc()));
165 sprintf(buf, "%d", temp);
167 transmission += " / Temperature ";
169 transmission += "minus ";
171 string tempstr1 = buf;
173 transmission += ConvertNumToSpokenDigits(tempstr1);
174 transmission += " degrees_Celsius";
176 // Get the visibility
178 visibility = fgGetDouble("/environment/visibility-m");
180 visibility = stationweather.get_visibility_m();
182 sprintf(buf, "%i", int(visibility/1600));
183 transmission += " / Visibility ";
185 transmission += ConvertNumToSpokenDigits(tempstr1);
186 transmission += " miles";
189 // FIXME: kludge for now
190 if (strcmp(fgGetString("/environment/clouds/layer[0]/type"), "clear")) {
192 fgGetDouble("/environment/clouds/layer[0]/elevation-ft");
193 // For some reason the altitude returned doesn't seem to correspond to the actual cloud altitude.
196 // cout << "cloudbase = " << cloudbase << endl;
197 sprintf(buf3, "%i", int(cloudbase)/1000);
198 sprintf(buf4, "%i", ((int)cloudbase % 1000)/100);
199 transmission += " / Cloudbase";
200 if(int(cloudbase)/1000) {
202 transmission = transmission + " " + ConvertNumToSpokenDigits(tempstr1) + " thousand";
204 if(((int)cloudbase % 1000)/100) {
206 transmission = transmission + " " + ConvertNumToSpokenDigits(tempstr1) + " hundred";
208 transmission += " feet";
211 // Get the pressure / altimeter
214 double altimeter = stationweather.get_pressure_sea_level_inhg();
215 sprintf(buf, "%.2f", altimeter);
216 transmission += " / Altimeter ";
218 transmission += ConvertNumToSpokenDigits(tempstr1);
221 // Based on the airport-id and wind get the active runway
223 SGPath path( globals->get_fg_root() );
224 path.append( "Airports" );
225 path.append( "runways.mk4" );
226 FGRunways runways( path.c_str() );
229 //Set the heading to into the wind
230 double wind_x = stationweather.Wind[0];
231 double wind_y = stationweather.Wind[1];
233 double speed = sqrt( wind_x*wind_x + wind_y*wind_y ) * SG_METER_TO_NM / (60.0*60.0);
236 //If no wind use 270degrees
239 transmission += " / Winds_light_and_variable";
241 // //normalize the wind to get the direction
242 //wind_x /= speed; wind_y /= speed;
244 hdg = - atan2 ( wind_x, wind_y ) * SG_RADIANS_TO_DEGREES ;
248 //add a description of the wind to the transmission
251 sprintf(buf5, "%i", int(speed));
252 sprintf(buf6, "%i", int(hdg));
255 transmission = transmission + " / Winds " + ConvertNumToSpokenDigits(tempstr1) + " knots from "
256 + ConvertNumToSpokenDigits(tempstr2) + " degrees";
259 double speed = stationweather.get_wind_speed_kt();
260 double hdg = stationweather.get_wind_from_heading_deg();
262 transmission += " / Winds_light_and_variable";
264 // FIXME: get gust factor in somehow
267 sprintf(buf5, "%i", int(speed));
268 sprintf(buf6, "%i", int(hdg));
271 transmission = transmission + " / Winds " + ConvertNumToSpokenDigits(tempstr1) + " knots from "
272 + ConvertNumToSpokenDigits(tempstr2) + " degrees";
276 string rwy_no = runways.search(ident, int(hdg));
277 if(rwy_no != (string)"NN") {
278 transmission += " / Landing_and_departing_runway ";
279 transmission += ConvertRwyNumToSpokenString(atoi(rwy_no.c_str()));
280 //cout << "in atis.cxx, r.rwy_no = " << rwy_no << " r.id = " << r->id << " r.heading = " << r->heading << endl;
285 transmission += " / Advise_controller_on_initial_contact_you_have ";
286 transmission += phonetic_id_string;
287 transmission += " /// ";