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( QString x, QString y ) :
33 q( new LocationPrivate( x, y ) ),
34 manager( new QNetworkAccessManager(this) )
36 connect( manager, SIGNAL( finished(QNetworkReply*) ), this, SLOT( replyFinished(QNetworkReply*) ) );
39 Location::Location( const QGeoPositionInfo &positionInfo ) :
40 q( new LocationPrivate() ),
43 qreal latitude = positionInfo.coordinate().latitude();
44 qreal longitude = positionInfo.coordinate().longitude();
49 WGS84lola_to_KKJxy( longitude, latitude, &outX, &outY);
56 Location::Location( const Location &from ) :
58 q( new LocationPrivate() ),
63 q->setValid( from.isValid() );
64 if ( from.manager != 0 ) {
65 manager = new QNetworkAccessManager(this);
66 connect( manager, SIGNAL( finished(QNetworkReply*) ), this, SLOT( replyFinished(QNetworkReply*) ) );
70 Location::Location() :
71 q( new LocationPrivate() ),
72 manager( new QNetworkAccessManager(this) )
74 connect( manager, SIGNAL( finished(QNetworkReply*) ), this, SLOT( replyFinished(QNetworkReply*) ) );
85 Location &Location::operator=( const Location &from )
87 q = new LocationPrivate();
90 q->setValid( from.isValid() );
91 if ( from.manager != 0 ) {
92 manager = new QNetworkAccessManager(this);
93 connect( manager, SIGNAL( finished(QNetworkReply*) ), this, SLOT( replyFinished(QNetworkReply*) ) );
101 void Location::resolveAddress( QString address )
105 fullUrl.addEncodedQueryItem( "key", address.toAscii().toPercentEncoding() );
106 fullUrl.addQueryItem( "user", username );
107 fullUrl.addQueryItem( "pass", password );
109 manager->get( QNetworkRequest( fullUrl ) );
112 void Location::replyFinished( QNetworkReply * reply )
114 q->parseReply( reply->readAll() );
117 emit( becomeValid() );
121 QString Location::x() const
126 QString Location::y() const
131 bool Location::isValid() const
137 // Degrees to radians
138 double Location::radians(double deg)
140 return deg * M_PI / 180.0;
143 // Radians to degrees
144 double Location::degrees(double rad)
146 return rad * 180.0 / M_PI;
149 // Function: KKJ_Zone_I
150 int Location::KKJ_Zone_I(KKJ easting)
152 int zoneNumber = floor(easting / 1000000.0);
153 if (zoneNumber < 0 || zoneNumber > 5) {
160 // Function: KKJ_Zone_Lo
161 int Location::KKJ_Zone_Lo(double kkjlo)
163 // determine the zonenumber from KKJ easting
164 // takes KKJ zone which has center meridian
165 // longitude nearest (in math value) to
166 // the given KKJ longitude
168 while (zoneNumber >= 0) {
169 if (fabs(kkjlo - KkjZoneInfo[zoneNumber][0]) <= 1.5) {
179 // Function: KKJlalo_to_WGS84lalo
180 void Location::KKJlola_to_WGS84lola(double kkjlo, double kkjla, double *outLongitude, double *outLatitude)
182 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;
183 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;
185 *outLatitude = degrees(radians(kkjla) + dLa);
186 *outLongitude = degrees(radians(kkjlo) + dLo);
190 // Function: WGS84lalo_to_KKJlalo
191 void Location::WGS84lola_to_KKJlola(double longitude, double latitude, double *outLongitude, double *outLatitude)
193 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;
194 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;
196 *outLatitude = degrees(radians(latitude) + dLa);
197 *outLongitude = degrees(radians(longitude) + dLo);
201 // Function: KKJlalo_to_KKJxy
202 void Location::KKJlola_to_KKJxy(double lon, double lat, int zoneNumber, KKJ *outX, KKJ *outY)
205 double a = 6378388.0;
206 double f = 1.0 / 297.0;
207 double b = (1.0 - f) * a;
209 double c = (a / b) * a;
210 double ee = (a * a - bb) / bb;
211 double n = (a - b) / (a + b);
214 double Lo = radians(lon) - radians(KkjZoneInfo[zoneNumber][0]);
215 double cosLa = cos(radians(lat));
216 double NN = ee * cosLa * cosLa;
217 double LaF = atan(tan(radians(lat)) / cos(Lo * sqrt(1.0 + NN)));
218 double cosLaF = cos(LaF);
219 double t = (tan(Lo) * cosLaF) / sqrt(1.0 + ee * cosLaF * cosLaF);
220 double A = a / (1.0 + n);
221 double A1 = A * (1.0 + nn / 4.0 + nn * nn / 64.0);
222 double A2 = A * 1.5 * n * (1.0 - nn / 8.0);
223 double A3 = A * 0.9375 * nn * (1.0 - nn / 4.0);
224 double A4 = A * 35.0 / 48.0 * nn * n;
226 *outY = A1 * LaF - A2 * sin(2.0 * LaF) + A3 * sin(4.0 * LaF) - A4 * sin(6.0 * LaF);
227 *outX = c * log(t + sqrt(1.0 + t * t)) + 500000.0 + zoneNumber * 1000000.0;
230 // Function: KKJxy_to_KKJlalo
231 void Location::KKJxy_to_KKJlola(KKJ x, KKJ y, double *outLongitude, double *outLatitude)
233 // Scan iteratively the target area, until find matching
234 // KKJ coordinate value. Area is defined with Hayford Ellipsoid.
235 int zoneNumber = KKJ_Zone_I(x);
236 double minLo = radians(18.5);
237 double maxLo = radians(32.0);
238 double minLa = radians(59.0);
239 double maxLa = radians(70.5);
245 double deltaLo = maxLo - minLo;
246 double deltaLa = maxLa - minLa;
247 *outLongitude = degrees(minLo + 0.5 * deltaLo);
248 *outLatitude = degrees(minLa + 0.5 * deltaLa);
249 KKJlola_to_KKJxy(*outLongitude, *outLatitude, zoneNumber, &tmpX, &tmpY);
251 minLa = minLa + 0.45 * deltaLa;
253 maxLa = minLa + 0.55 * deltaLa;
257 minLo = minLo + 0.45 * deltaLo;
259 maxLo = minLo + 0.55 * deltaLo;
266 void Location::WGS84lola_to_KKJxy(double longitude, double latitude, KKJ *outX, KKJ *outY)
270 WGS84lola_to_KKJlola(longitude, latitude, &kkjlo, &kkjla);
271 int zoneNumber = KKJ_Zone_Lo(kkjlo);
272 KKJlola_to_KKJxy(kkjlo, kkjla, zoneNumber, outX, outY);
275 void Location::KKJxy_to_WGS84lola(KKJ x, KKJ y, double *outLongitude, double *outLatitude)
279 KKJxy_to_KKJlola(x, y, &kkjlo, &kkjla);
280 KKJlola_to_WGS84lola(kkjlo, kkjla, outLongitude, outLatitude);