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 qreal latitude = positionInfo.coordinate().latitude();
47 qreal longitude = positionInfo.coordinate().longitude();
52 WGS84lola_to_KKJxy( longitude, latitude, &outX, &outY);
59 Location::Location( const Location &from ) :
61 q( new LocationPrivate( from.label() ) ),
64 q->setAddress( from.address() );
67 q->setValid( from.isValid() );
68 if ( from.manager != 0 ) {
69 manager = new QNetworkAccessManager(this);
70 connect( manager, SIGNAL( finished(QNetworkReply*) ), this, SLOT( replyFinished(QNetworkReply*) ) );
74 Location::Location( const QString &label ) :
75 q( new LocationPrivate( label ) ),
76 manager( new QNetworkAccessManager(this) )
78 connect( manager, SIGNAL( finished(QNetworkReply*) ), this, SLOT( replyFinished(QNetworkReply*) ) );
89 Location &Location::operator=( const Location &from )
91 q = new LocationPrivate( from.label() );
92 q->setAddress( from.address() );
95 q->setValid( from.isValid() );
96 if ( from.manager != 0 ) {
97 manager = new QNetworkAccessManager(this);
98 connect( manager, SIGNAL( finished(QNetworkReply*) ), this, SLOT( replyFinished(QNetworkReply*) ) );
106 void Location::resolveAddress( const QString &address )
108 qDebug() << "resolving address";
111 q->setAddress( address );
113 QUrl fullUrl( Ytv::Url );
115 fullUrl.addEncodedQueryItem( "key", address.toAscii().toPercentEncoding() );
116 fullUrl.addQueryItem( "user", Ytv::Username );
117 fullUrl.addQueryItem( "pass", Ytv::Password );
119 manager->get( QNetworkRequest( fullUrl ) );
120 qDebug() << "waiting for reply from Ytv";
123 void Location::replyFinished( QNetworkReply * reply )
125 qDebug() << "address resolved";
126 q->parseReply( reply->readAll() );
129 emit( becomeValid() );
133 QString Location::x() const
138 QString Location::y() const
143 void Location::setLabel( const QString &label ) const
145 q->setLabel( label );
148 QString Location::label() const
153 void Location::setAddress( const QString &address ) const
155 q->setAddress( address );
158 QString Location::address() const
163 bool Location::isValid() const
169 // Degrees to radians
170 double Location::radians(double deg)
172 return deg * M_PI / 180.0;
175 // Radians to degrees
176 double Location::degrees(double rad)
178 return rad * 180.0 / M_PI;
181 // Function: KKJ_Zone_I
182 int Location::KKJ_Zone_I(KKJ easting)
184 int zoneNumber = floor(easting / 1000000.0);
185 if (zoneNumber < 0 || zoneNumber > 5) {
192 // Function: KKJ_Zone_Lo
193 int Location::KKJ_Zone_Lo(double kkjlo)
195 // determine the zonenumber from KKJ easting
196 // takes KKJ zone which has center meridian
197 // longitude nearest (in math value) to
198 // the given KKJ longitude
200 while (zoneNumber >= 0) {
201 if (fabs(kkjlo - KkjZoneInfo[zoneNumber][0]) <= 1.5) {
211 // Function: KKJlalo_to_WGS84lalo
212 void Location::KKJlola_to_WGS84lola(double kkjlo, double kkjla, double *outLongitude, double *outLatitude)
214 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;
215 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;
217 *outLatitude = degrees(radians(kkjla) + dLa);
218 *outLongitude = degrees(radians(kkjlo) + dLo);
222 // Function: WGS84lalo_to_KKJlalo
223 void Location::WGS84lola_to_KKJlola(double longitude, double latitude, double *outLongitude, double *outLatitude)
225 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;
226 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;
228 *outLatitude = degrees(radians(latitude) + dLa);
229 *outLongitude = degrees(radians(longitude) + dLo);
233 // Function: KKJlalo_to_KKJxy
234 void Location::KKJlola_to_KKJxy(double lon, double lat, int zoneNumber, KKJ *outX, KKJ *outY)
237 double a = 6378388.0;
238 double f = 1.0 / 297.0;
239 double b = (1.0 - f) * a;
241 double c = (a / b) * a;
242 double ee = (a * a - bb) / bb;
243 double n = (a - b) / (a + b);
246 double Lo = radians(lon) - radians(KkjZoneInfo[zoneNumber][0]);
247 double cosLa = cos(radians(lat));
248 double NN = ee * cosLa * cosLa;
249 double LaF = atan(tan(radians(lat)) / cos(Lo * sqrt(1.0 + NN)));
250 double cosLaF = cos(LaF);
251 double t = (tan(Lo) * cosLaF) / sqrt(1.0 + ee * cosLaF * cosLaF);
252 double A = a / (1.0 + n);
253 double A1 = A * (1.0 + nn / 4.0 + nn * nn / 64.0);
254 double A2 = A * 1.5 * n * (1.0 - nn / 8.0);
255 double A3 = A * 0.9375 * nn * (1.0 - nn / 4.0);
256 double A4 = A * 35.0 / 48.0 * nn * n;
258 *outY = A1 * LaF - A2 * sin(2.0 * LaF) + A3 * sin(4.0 * LaF) - A4 * sin(6.0 * LaF);
259 *outX = c * log(t + sqrt(1.0 + t * t)) + 500000.0 + zoneNumber * 1000000.0;
262 // Function: KKJxy_to_KKJlalo
263 void Location::KKJxy_to_KKJlola(KKJ x, KKJ y, double *outLongitude, double *outLatitude)
265 // Scan iteratively the target area, until find matching
266 // KKJ coordinate value. Area is defined with Hayford Ellipsoid.
267 int zoneNumber = KKJ_Zone_I(x);
268 double minLo = radians(18.5);
269 double maxLo = radians(32.0);
270 double minLa = radians(59.0);
271 double maxLa = radians(70.5);
277 double deltaLo = maxLo - minLo;
278 double deltaLa = maxLa - minLa;
279 *outLongitude = degrees(minLo + 0.5 * deltaLo);
280 *outLatitude = degrees(minLa + 0.5 * deltaLa);
281 KKJlola_to_KKJxy(*outLongitude, *outLatitude, zoneNumber, &tmpX, &tmpY);
283 minLa = minLa + 0.45 * deltaLa;
285 maxLa = minLa + 0.55 * deltaLa;
289 minLo = minLo + 0.45 * deltaLo;
291 maxLo = minLo + 0.55 * deltaLo;
298 void Location::WGS84lola_to_KKJxy(double longitude, double latitude, KKJ *outX, KKJ *outY)
302 WGS84lola_to_KKJlola(longitude, latitude, &kkjlo, &kkjla);
303 int zoneNumber = KKJ_Zone_Lo(kkjlo);
304 KKJlola_to_KKJxy(kkjlo, kkjla, zoneNumber, outX, outY);
307 void Location::KKJxy_to_WGS84lola(KKJ x, KKJ y, double *outLongitude, double *outLatitude)
311 KKJxy_to_KKJlola(x, y, &kkjlo, &kkjla);
312 KKJlola_to_WGS84lola(kkjlo, kkjla, outLongitude, outLatitude);