void
AirspaceRoute::Synchronise(const Airspaces &master,
const AirspacePredicate &_condition,
const AGeoPoint &origin,
const AGeoPoint &destination)
{
// @todo: also synchronise with AirspaceWarningManager to filter out items that are
// acknowledged.
h_min = std::min((int)origin.altitude, std::min((int)destination.altitude, h_min));
h_max = std::max((int)origin.altitude, std::max((int)destination.altitude, h_max));
// @todo: have margin for h_max to allow for climb
AirspacePredicateHeightRangeExcludeTwo h_condition(h_min, h_max, origin, destination);
const auto and_condition = MakeAndPredicate(h_condition,
AirspacePredicateRef(_condition));
const auto predicate = WrapAirspacePredicate(and_condition);
if (m_airspaces.SynchroniseInRange(master, origin.Middle(destination),
0.5 * origin.Distance(destination),
predicate)) {
if (!m_airspaces.IsEmpty())
dirty = true;
}
}
void
AirspaceRoute::Synchronise(const Airspaces& master,
const AGeoPoint& origin,
const AGeoPoint& destination)
{
// @todo: also synchronise with AirspaceWarningManager to filter out items that are
// acknowledged.
h_min = std::min(origin.altitude, std::min(destination.altitude, h_min));
h_max = std::max(origin.altitude, std::max(destination.altitude, h_max));
// @todo: have margin for h_max to allow for climb
AirspacePredicateHeightRangeExcludeTwo condition(h_min, h_max, origin, destination);
if (m_airspaces.SynchroniseInRange(master, origin.Middle(destination),
Half(origin.Distance(destination)),
condition))
{
if (m_airspaces.size())
dirty = true;
}
}
/*
$PCAIB,<1>,<2>,<CR><LF>
<1> Destination waypoint elevation in meters, format XXXXX
(leading zeros will be transmitted)
<2> Destination waypoint attribute word, format XXXXX
(leading zeros will be transmitted)
*/
static bool
FormatPCAIB(char *buffer, size_t buffer_size, const AGeoPoint& destination)
{
if (!destination.IsValid())
return false;
// Generic waypoint.
unsigned flags = 1 << 8;
snprintf(buffer, buffer_size, "$PCAIB,%04d,%04u\r\n",
(int)destination.altitude,
flags);
return true;
}
/*
$GPRMB,<1>,,,,<5>,,,,,<10>,<11>,,<13>*hh<CR><LF>
<1> Position Valid (A = valid, V = invalid)
<5> Destination waypoint identifier, three digits
(leading zeros will be transmitted)
<10> Range from present position to distination waypoint, format XXXX.X,
nautical miles (leading zeros will be transmitted)
<11> Bearing from present position to destination waypoint, format XXX.X,
degrees true (leading zeros will be transmitted)
<13> Arrival flag <A = arrival, V = not arrival)
*/
static bool
FormatGPRMB(char *buffer, size_t buffer_size, const GeoPoint& here,
const AGeoPoint &destination)
{
if (!here.IsValid() || !destination.IsValid())
return false;
const GeoVector vector(here, destination);
const bool has_arrived = vector.distance < 1000; // < 1km ?
snprintf(buffer, buffer_size, "GPRMB,%c,,,,,,,,,%06.1f,%04.1f,%c",
here.IsValid() ? 'A' : 'V',
(double)Units::ToUserUnit(vector.distance, Unit::NAUTICAL_MILES),
(double)vector.bearing.Degrees(),
has_arrived ? 'A' : 'V');
return true;
}
