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
37 //#include <simgear/debug/logstream.hxx>
38 //#include <simgear/misc/sgstream.hxx>
39 #include <simgear/misc/sg_path.hxx>
42 # include <WeatherCM/FGLocalWeatherDatabase.h>
44 # include <Environment/environment_mgr.hxx>
45 # include <Environment/environment.hxx>
48 #include <Main/fg_props.hxx>
49 #include <Main/globals.hxx>
50 #include <Airports/runways.hxx>
53 #include "atislist.hxx"
54 #include "ATCdisplay.hxx"
55 #include "ATCutils.hxx"
63 x(0.0), y(0.0), z(0.0),
80 // Main update function - checks whether we are displaying or not the correct message.
81 void FGATIS::Update() {
84 // Check if we need to update the message
85 // - basically every hour and if the weather changes significantly at the station
86 //globals->get_ATC_display()->ChangeRepeatingMessage(transmission);
88 // We need to get and display the message
90 //cout << "ATIS.CXX - calling ATCMgr to render transmission..." << endl;
91 globals->get_ATC_mgr()->Render(transmission, true);
95 // We shouldn't be displaying
97 //cout << "ATIS.CXX - calling NoRender()..." << endl;
98 globals->get_ATC_mgr()->NoRender();
104 // Sets the actual broadcast ATIS transmission.
105 void FGATIS::UpdateTransmission() {
109 string phonetic_id_string;
110 string time_str = fgGetString("sim/time/gmt-string");
115 sgVec3 position = { lat, lon, elev };
116 FGPhysicalProperty stationweather = WeatherDatabase->get(position);
118 FGEnvironment stationweather =
119 globals->get_environment_mgr()->getEnvironment(lat, lon, elev);
124 // UK CAA radiotelephony manual indicated ATIS transmissions start with "This is"
125 // Not sure about rest of the world though.
126 transmission += "This_is ";
127 // transmitted station name.
128 transmission += name;
130 transmission += " information";
132 //cout << "In atis.cxx, time_str = " << time_str << '\n';
133 // Add the recording identifier
134 // For now we will assume we only transmit every hour
135 hours = atoi((time_str.substr(1,2)).c_str()); //Warning - this is fragile if the
136 //time string format changes
137 //cout << "In atis.cxx, hours = " << hours << endl;
138 phonetic_id = current_atislist->GetCallSign(ident, hours, 0);
139 phonetic_id_string = GetPhoneticIdent(phonetic_id);
141 transmission += phonetic_id_string;
143 // Output the recording time. - we'll just output the last whole hour for now.
144 // FIXME - this only gets GMT time but that appears to be all the clock outputs for now
145 //cout << "in atis.cxx, time = " << time_str << endl;
146 transmission = transmission + " / Weather " + ConvertNumToSpokenDigits((time_str.substr(0,3) + "00")) + " hours zulu";
148 // Get the temperature
149 // (Hardwire it for now since the global property returns the temperature at the current altitude
150 //temperature = fgGetDouble("/environment/weather/temperature-K");
152 sprintf(buf, "%i", int(stationweather.Temperature - 273.15));
154 // HACK ALERT - at the moment the new environment subsystem returns bogus temperatures
155 // FIXME - take out this hack when this gets fixed upstream
156 int temp = (int)stationweather.get_temperature_degc();
157 if((temp < -50) || (temp > 60)) {
161 //sprintf(buf, "%d", int(stationweather.get_temperature_degc()));
163 sprintf(buf, "%d", temp);
165 transmission += " / Temperature ";
167 transmission += "minus ";
169 string tempstr1 = buf;
171 transmission += ConvertNumToSpokenDigits(tempstr1);
172 transmission += " degrees_Celsius";
174 // Get the visibility
176 visibility = fgGetDouble("/environment/visibility-m");
178 visibility = stationweather.get_visibility_m();
180 sprintf(buf, "%i", int(visibility/1600));
181 transmission += " / Visibility ";
183 transmission += ConvertNumToSpokenDigits(tempstr1);
184 transmission += " miles";
187 // FIXME: kludge for now
188 if (strcmp(fgGetString("/environment/clouds/layer[0]/type"), "clear")) {
190 fgGetDouble("/environment/clouds/layer[0]/elevation-ft");
191 // For some reason the altitude returned doesn't seem to correspond to the actual cloud altitude.
194 // cout << "cloudbase = " << cloudbase << endl;
195 sprintf(buf3, "%i", int(cloudbase)/1000);
196 sprintf(buf4, "%i", ((int)cloudbase % 1000)/100);
197 transmission += " / Cloudbase";
198 if(int(cloudbase)/1000) {
200 transmission = transmission + " " + ConvertNumToSpokenDigits(tempstr1) + " thousand";
202 if(((int)cloudbase % 1000)/100) {
204 transmission = transmission + " " + ConvertNumToSpokenDigits(tempstr1) + " hundred";
206 transmission += " feet";
209 // Get the pressure / altimeter
212 double altimeter = stationweather.get_pressure_sea_level_inhg();
213 sprintf(buf, "%.2f", altimeter);
214 transmission += " / Altimeter ";
216 transmission += ConvertNumToSpokenDigits(tempstr1);
219 // Based on the airport-id and wind get the active runway
221 SGPath path( globals->get_fg_root() );
222 path.append( "Airports" );
223 path.append( "runways.mk4" );
224 FGRunways runways( path.c_str() );
227 //Set the heading to into the wind
228 double wind_x = stationweather.Wind[0];
229 double wind_y = stationweather.Wind[1];
231 double speed = sqrt( wind_x*wind_x + wind_y*wind_y ) * SG_METER_TO_NM / (60.0*60.0);
234 //If no wind use 270degrees
237 transmission += " / Winds_light_and_variable";
239 // //normalize the wind to get the direction
240 //wind_x /= speed; wind_y /= speed;
242 hdg = - atan2 ( wind_x, wind_y ) * SG_RADIANS_TO_DEGREES ;
246 //add a description of the wind to the transmission
249 sprintf(buf5, "%i", int(speed));
250 sprintf(buf6, "%i", int(hdg));
253 transmission = transmission + " / Winds " + ConvertNumToSpokenDigits(tempstr1) + " knots from "
254 + ConvertNumToSpokenDigits(tempstr2) + " degrees";
257 double speed = stationweather.get_wind_speed_kt();
258 double hdg = stationweather.get_wind_from_heading_deg();
260 transmission += " / Winds_light_and_variable";
262 // FIXME: get gust factor in somehow
265 sprintf(buf5, "%i", int(speed));
266 sprintf(buf6, "%i", int(hdg));
269 transmission = transmission + " / Winds " + ConvertNumToSpokenDigits(tempstr1) + " knots from "
270 + ConvertNumToSpokenDigits(tempstr2) + " degrees";
274 string rwy_no = runways.search(ident, int(hdg));
275 if(rwy_no != (string)"NN") {
276 transmission += " / Landing_and_departing_runway ";
277 transmission += ConvertRwyNumToSpokenString(atoi(rwy_no.c_str()));
278 //cout << "in atis.cxx, r.rwy_no = " << rwy_no << " r.id = " << r->id << " r.heading = " << r->heading << endl;
283 transmission += " / Advise_controller_on_initial_contact_you_have ";
284 transmission += phonetic_id_string;
285 transmission += " /// ";