コード例 #1
0
 bool EllipsoidConnector::createEllipsoidFromCode(const QString& code, IlwisObject *data) {
    QString query = QString("Select * from ellipsoid where code = '%1'").arg(code);
    QSqlQuery db(kernel()->database());
    if (db.exec(query)) {
        if ( db.next()) {
           Ellipsoid *ellipsoid =  static_cast<Ellipsoid *>(data);
           ellipsoid->setName(db.record().field("name").value().toString());
           ellipsoid->setDescription(db.record().field("description").value().toString());
           double ma = db.record().field("majoraxis").value().toDouble();
           double rf = db.record().field("invflattening").value().toDouble();
           ellipsoid->setEllipsoid(ma,rf);
           ellipsoid->setAuthority(db.record().field("authority").value().toString());
           ellipsoid->setConnector(this); // we are internal, no connector needed
           ellipsoid->setCode(code);
           return true;
        }
    }else
       kernel()->issues()->logSql(db.lastError());
    return false;
}
コード例 #2
0
IEllipsoid CoordinateSystemConnector::getEllipsoid() {
    QString ell = _odf->value("CoordSystem","Ellipsoid");
    if ( ell == "?")
        return IEllipsoid();
    if ( ell == "User Defined") {
        double invf = _odf->value("Ellipsoid","1/f").toDouble();
        double majoraxis = _odf->value("Ellipsoid","a").toDouble();
        Ellipsoid *ellips = new Ellipsoid();
        QString newName = ellips->setEllipsoid(majoraxis,invf);;
        ellips->name(newName);
        IEllipsoid ellipsoid(ellips);
        return ellipsoid;
    }
    IEllipsoid ellipsoid;
    QString code = name2Code(ell, "ellipsoid");
    if ( code == sUNDEF)
        return IEllipsoid();

    QString resource = QString("ilwis://tables/ellipsoid?code=%1").arg(code);

    ellipsoid.prepare(resource);

    return ellipsoid;
}