3 #include "location_p.h"
9 #include <QNetworkAccessManager>
11 #include <QNetworkRequest>
12 #include <QNetworkReply>
13 #include <QXmlStreamReader>
15 #include <QXmlStreamAttributes>
17 #include <QGeoPositionInfo>
21 const double Location::KkjZoneInfo[6][2] = {
32 Location::Location( const QString &x, const QString &y, const QString &label ) :
33 q( new LocationPrivate( x, y, label ) ),
34 manager( new QNetworkAccessManager(this) )
37 manager, SIGNAL( finished(QNetworkReply*) ),
38 this, SLOT( replyFinished(QNetworkReply*) )
42 Location::Location( const QGeoPositionInfo &positionInfo, const QString &label ) :
43 q( new LocationPrivate( label ) ),
46 setLocation( positionInfo );
49 void Location::setLocation( const QGeoPositionInfo &positionInfo )
51 qreal latitude = positionInfo.coordinate().latitude();
52 qreal longitude = positionInfo.coordinate().longitude();
57 WGS84lola_to_KKJxy( longitude, latitude, &outX, &outY);
64 Location::Location( const Location &from ) :
66 q( new LocationPrivate( from.label() ) ),
69 q->setAddress( from.address() );
72 q->setValid( from.isValid() );
73 if ( from.manager != 0 ) {
74 manager = new QNetworkAccessManager(this);
75 connect( manager, SIGNAL( finished(QNetworkReply*) ), this, SLOT( replyFinished(QNetworkReply*) ) );
79 Location::Location( const QString &label ) :
80 q( new LocationPrivate( label ) ),
81 manager( new QNetworkAccessManager(this) )
83 connect( manager, SIGNAL( finished(QNetworkReply*) ), this, SLOT( replyFinished(QNetworkReply*) ) );
94 Location &Location::operator=( const Location &from )
96 q = new LocationPrivate( from.label() );
97 q->setAddress( from.address() );
100 q->setValid( from.isValid() );
102 if ( from.manager != 0 ) {
103 manager = new QNetworkAccessManager(this);
104 connect( manager, SIGNAL( finished(QNetworkReply*) ), this, SLOT( replyFinished(QNetworkReply*) ) );
112 void Location::resolveAddress( const QString &address )
114 qDebug() << "resolving address (" << address << ")";
116 q->setAddress( address );
117 q->setValid( false );
119 QUrl fullUrl( Ytv::Url );
121 fullUrl.addEncodedQueryItem( "key", address.toAscii().toPercentEncoding() );
122 fullUrl.addQueryItem( "user", Ytv::Username );
123 fullUrl.addQueryItem( "pass", Ytv::Password );
125 manager->get( QNetworkRequest( fullUrl ) );
126 qDebug() << "waiting for reply from Ytv";
127 emit( busy( true ) );
130 void Location::replyFinished( QNetworkReply * reply )
132 qDebug() << "address resolved";
133 q->parseReply( reply->readAll() );
136 qDebug() << label() << "becomeValid";
137 emit( becomeValid() );
139 qDebug() << label() << "not valid";
140 emit( becomeInValid() );
143 emit( busy( false ) );
146 QString Location::x() const
151 QString Location::y() const
156 void Location::setLabel( const QString &label ) const
158 q->setLabel( label );
161 QString Location::label() const
166 void Location::setAddress( const QString &address ) const
168 qDebug() << "setting address to" << address;
169 q->setAddress( address );
172 QString Location::address() const
177 bool Location::isValid() const
182 // Degrees to radians
183 double Location::radians(double deg)
185 return deg * M_PI / 180.0;
188 // Radians to degrees
189 double Location::degrees(double rad)
191 return rad * 180.0 / M_PI;
194 // Function: KKJ_Zone_I
195 int Location::KKJ_Zone_I(KKJ easting)
197 int zoneNumber = floor(easting / 1000000.0);
198 if (zoneNumber < 0 || zoneNumber > 5) {
205 // Function: KKJ_Zone_Lo
206 int Location::KKJ_Zone_Lo(double kkjlo)
208 // determine the zonenumber from KKJ easting
209 // takes KKJ zone which has center meridian
210 // longitude nearest (in math value) to
211 // the given KKJ longitude
213 while (zoneNumber >= 0) {
214 if (fabs(kkjlo - KkjZoneInfo[zoneNumber][0]) <= 1.5) {
224 // Function: KKJlalo_to_WGS84lalo
225 void Location::KKJlola_to_WGS84lola(double kkjlo, double kkjla, double *outLongitude, double *outLatitude)
227 double dLa = radians(0.124867E+01 + -0.269982E+00 * kkjla + 0.191330E+00 * kkjlo + 0.356119E-02 * kkjla * kkjla + -0.122312E-02 * kkjla * kkjlo + -0.335514E-03 * kkjlo * kkjlo) / 3600.0;
228 double dLo = radians(-0.286111E+02 + 0.114183E+01 * kkjla + -0.581428E+00 * kkjlo + -0.152421E-01 * kkjla * kkjla + 0.118177E-01 * kkjla * kkjlo + 0.826646E-03 * kkjlo * kkjlo) / 3600.0;
230 *outLatitude = degrees(radians(kkjla) + dLa);
231 *outLongitude = degrees(radians(kkjlo) + dLo);
235 // Function: WGS84lalo_to_KKJlalo
236 void Location::WGS84lola_to_KKJlola(double longitude, double latitude, double *outLongitude, double *outLatitude)
238 double dLa = radians(-0.124766E+01 + 0.269941E+00 * latitude + -0.191342E+00 * longitude + -0.356086E-02 * latitude * latitude + 0.122353E-02 * latitude * longitude + 0.335456E-03 * longitude * longitude) / 3600.0;
239 double dLo = radians(0.286008E+02 + -0.114139E+01 * latitude + 0.581329E+00 * longitude + 0.152376E-01 * latitude * latitude + -0.118166E-01 * latitude * longitude + -0.826201E-03 * longitude * longitude) / 3600.0;
241 *outLatitude = degrees(radians(latitude) + dLa);
242 *outLongitude = degrees(radians(longitude) + dLo);
246 // Function: KKJlalo_to_KKJxy
247 void Location::KKJlola_to_KKJxy(double lon, double lat, int zoneNumber, KKJ *outX, KKJ *outY)
250 double a = 6378388.0;
251 double f = 1.0 / 297.0;
252 double b = (1.0 - f) * a;
254 double c = (a / b) * a;
255 double ee = (a * a - bb) / bb;
256 double n = (a - b) / (a + b);
259 double Lo = radians(lon) - radians(KkjZoneInfo[zoneNumber][0]);
260 double cosLa = cos(radians(lat));
261 double NN = ee * cosLa * cosLa;
262 double LaF = atan(tan(radians(lat)) / cos(Lo * sqrt(1.0 + NN)));
263 double cosLaF = cos(LaF);
264 double t = (tan(Lo) * cosLaF) / sqrt(1.0 + ee * cosLaF * cosLaF);
265 double A = a / (1.0 + n);
266 double A1 = A * (1.0 + nn / 4.0 + nn * nn / 64.0);
267 double A2 = A * 1.5 * n * (1.0 - nn / 8.0);
268 double A3 = A * 0.9375 * nn * (1.0 - nn / 4.0);
269 double A4 = A * 35.0 / 48.0 * nn * n;
271 *outY = A1 * LaF - A2 * sin(2.0 * LaF) + A3 * sin(4.0 * LaF) - A4 * sin(6.0 * LaF);
272 *outX = c * log(t + sqrt(1.0 + t * t)) + 500000.0 + zoneNumber * 1000000.0;
275 // Function: KKJxy_to_KKJlalo
276 void Location::KKJxy_to_KKJlola(KKJ x, KKJ y, double *outLongitude, double *outLatitude)
278 // Scan iteratively the target area, until find matching
279 // KKJ coordinate value. Area is defined with Hayford Ellipsoid.
280 int zoneNumber = KKJ_Zone_I(x);
281 double minLo = radians(18.5);
282 double maxLo = radians(32.0);
283 double minLa = radians(59.0);
284 double maxLa = radians(70.5);
290 double deltaLo = maxLo - minLo;
291 double deltaLa = maxLa - minLa;
292 *outLongitude = degrees(minLo + 0.5 * deltaLo);
293 *outLatitude = degrees(minLa + 0.5 * deltaLa);
294 KKJlola_to_KKJxy(*outLongitude, *outLatitude, zoneNumber, &tmpX, &tmpY);
296 minLa = minLa + 0.45 * deltaLa;
298 maxLa = minLa + 0.55 * deltaLa;
302 minLo = minLo + 0.45 * deltaLo;
304 maxLo = minLo + 0.55 * deltaLo;
311 void Location::WGS84lola_to_KKJxy(double longitude, double latitude, KKJ *outX, KKJ *outY)
315 WGS84lola_to_KKJlola(longitude, latitude, &kkjlo, &kkjla);
316 int zoneNumber = KKJ_Zone_Lo(kkjlo);
317 KKJlola_to_KKJxy(kkjlo, kkjla, zoneNumber, outX, outY);
320 void Location::KKJxy_to_WGS84lola(KKJ x, KKJ y, double *outLongitude, double *outLatitude)
324 KKJxy_to_KKJlola(x, y, &kkjlo, &kkjla);
325 KKJlola_to_WGS84lola(kkjlo, kkjla, outLongitude, outLatitude);