public void getCurrentLatLonRage()
{
/* Get Current location */
GeoCoordinateWatcher getPosition = new GeoCoordinateWatcher();
int geoGetTry = 3; //times...
bool gotGeoRespond = false;
while (geoGetTry-- > 0 && gotGeoRespond == false)
{
gotGeoRespond = getPosition.TryStart(false, TimeSpan.FromMilliseconds(1000));
}
/*
* Only update current location if is good location
* else just use what we have before
*/
if (gotGeoRespond == true)
{
lat = (float)getPosition.Position.Location.Latitude;
lon = (float)getPosition.Position.Location.Longitude;
}
getPosition.Stop();
getPosition.Dispose();
latLon position = new latLon(lat, lon);
double r = (double)App.distancesMeter[App.ReadSettings.radiusMetersIndx] / (double)App.R;
double latRad = mathPlus.DegreeToRadian((double)position.getLat());
latStart = (float)mathPlus.RadianToDegree(latRad - r);
latEnd = (float)mathPlus.RadianToDegree(latRad + r);
double lonRad = mathPlus.DegreeToRadian((double)position.getLon());
double tLon = Math.Asin(Math.Sin(r) / Math.Cos(latRad));
lonStart = (float)mathPlus.RadianToDegree(lonRad - tLon);
lonEnd = (float)mathPlus.RadianToDegree(lonRad + tLon);
}
public bool write(int radiusMeters, string title, string msg, bool showLocation)
{
GeoCoordinateWatcher getPosition = new GeoCoordinateWatcher();
getPosition.TryStart(false, TimeSpan.FromMilliseconds(1000));
float lat = (float)getPosition.Position.Location.Latitude;
float lon = (float)getPosition.Position.Location.Longitude;
getPosition.Stop();
getPosition.Dispose();
latLon position = new latLon(lat, lon);
double r = (double)radiusMeters / (double)R;
int gridI = -1;
double latRad = mathPlus.DegreeToRadian((double)position.getLat());
float latStart = (float)mathPlus.RadianToDegree(latRad - r);
float latEnd = (float)mathPlus.RadianToDegree(latRad + r);
double lonRad = mathPlus.DegreeToRadian((double)position.getLon());
double tLon = Math.Asin(Math.Sin(r) / Math.Cos(latRad));
float lonStart = (float)mathPlus.RadianToDegree(lonRad - tLon);
float lonEnd = (float)mathPlus.RadianToDegree(lonRad + tLon);
latLon nw = new latLon(latStart, lonStart);
latLon ne = new latLon(latStart, lonEnd);
latLon se = new latLon(latEnd, lonEnd);
latLon sw = new latLon(latEnd, lonStart);
string[] nwGrid = nw.getGrids();
string[] neGrid = ne.getGrids();
string[] seGrid = se.getGrids();
string[] swGrid = sw.getGrids();
for (int i = 0; i < position.getGridCount(); i++)
{
if (nwGrid[i] == neGrid[i]
&& nwGrid[i] == seGrid[i]
&& nwGrid[i] == swGrid[i])
{
gridI = i;
break;
}
}
if (gridI < 0) return false;
StringBuilder output = new StringBuilder("");
DB db = new DB();
db.setOutput(output);
db.write( myUser.getUserID()
, nwGrid[gridI]
, position.getLat()
, position.getLon()
, position.getSysLat()
, position.getSysLon()
, nw.getSysLat()
, sw.getSysLat()
, nw.getSysLon()
, ne.getSysLon()
, radiusMeters
, showLocation
, title
, msg
);
statusMsg status = JsonConvert.DeserializeObject<statusMsg>(output.ToString());
return true;
}