C++ (Cpp) nmea_pos2info示例

示例#1

文件： generator.c 项目： jinsihou19/Acantha

int nmea_igen_pos_rmove_loop(nmeaGENERATOR *gen, nmeaINFO *info)
{
    nmeaPOS crd;

    info->direction += nmea_random(-10, 10);
    info->speed += nmea_random(-2, 3);

    if(info->direction < 0)
        info->direction = 359 + info->direction;
    if(info->direction > 359)
        info->direction -= 359;

    if(info->speed > 40)
        info->speed = 40;
    if(info->speed < 1)
        info->speed = 1;

    nmea_info2pos(info, &crd);
    nmea_move_horz(&crd, &crd, info->direction, info->speed / 3600);
    nmea_pos2info(&crd, info);

    info->declination = info->direction;

    return 1;
};

示例#2

文件： mainwindow.cpp 项目： idaohang/XKSimulator

void MainWindow::gpsTimer()
{
    if (m_info.speed > 0) {
        m_lines.last().end();
    }

    double total_distance = 0.0;
    foreach(TravelLine line, m_lines) {
        // Get the new position
        _nmeaPOS startPos;
        _nmeaPOS endPos;

        // First get the start position
        nmea_info2pos(&m_info, &startPos);

        // Calculate the new position based on the bearing and distance
        nmea_move_horz(&startPos, &endPos, line.bearing(), line.distance() / 1000.0);

        // Update the info struct
        nmea_pos2info(&endPos, &m_info);

        total_distance += line.distance();
    }