public List <AreaInfo> GetEnvelopAreasOfLocation(Utils.Location loc, List <AreaInfo> inAreas)
{
List <AreaInfo> result = null;
if (loc.Lat >= _shpYMin && loc.Lat <= _shpYMax && loc.Lon >= _shpXMin && loc.Lon <= _shpXMax)
{
//all areas with point in envelope
var ais = from r in _areaInfos
join b in inAreas on r equals b
where loc.Lat >= r.MinLat && loc.Lat <= r.MaxLat && loc.Lon >= r.MinLon && loc.Lon <= r.MaxLon
select r;
foreach (var ai in ais)
{
if (IsLocationInEnvelopArea(loc, ai))
{
if (result == null)
{
result = new List <AreaInfo>();
}
result.Add(ai);
}
}
}
return(result);
}
public override object Execute(object[] args, ExecutionContext ctx)
{
ArgumentChecker checker = new ArgumentChecker(this.GetType().Name);
checker.CheckForNumberOfArguments(ref args, 1, 1);
Utils.Location ll = Utils.Conversion.StringToLocation(args[0].ToString());
if (ll != null)
{
return(ll.Lat.ToString("G", CultureInfo.InvariantCulture));
}
return("");
}
public List <AreaInfo> GetEnvelopAreasOfLocation(Utils.Location loc, List <AreaInfo> inAreas)
{
List <AreaInfo> result = new List <AreaInfo>();
foreach (var sf in _shapeFiles)
{
List <AreaInfo> areas = sf.GetEnvelopAreasOfLocation(loc, inAreas);
if (areas != null)
{
result.AddRange(areas);
}
}
return(result);
}
public override object Execute(object[] args, ExecutionContext ctx)
{
string res = "";
ArgumentChecker checker = new ArgumentChecker(this.GetType().Name);
checker.CheckForNumberOfArguments(ref args, 2, null);
Utils.Location ll1 = Utils.Conversion.StringToLocation(args[0].ToString());
Utils.Location ll2 = Utils.Conversion.StringToLocation(args[1].ToString());
if ((ll1 != null) && (ll2 != null))
{
GeodeticMeasurement gm = Utils.Calculus.CalculateDistance(ll1.Lat, ll1.Lon, ll2.Lat, ll2.Lon);
res = gm.Azimuth.Degrees.ToString("0");
}
return(res);
}
public override bool PrepareRun(Database.DBCon db, string tableName)
{
if (Values.Count > 1)
{
try
{
_loc = Utils.Conversion.StringToLocation(Values[0]);
_value = Utils.Conversion.StringToDouble(Values[1]);
}
catch
{
}
}
return(base.PrepareRun(db, tableName));
}
public override object Execute(object[] args, ExecutionContext ctx)
{
string ret = "";
ArgumentChecker checker = new ArgumentChecker(this.GetType().Name);
checker.CheckForNumberOfArguments(ref args, 3, null);
Utils.Location ll = Utils.Conversion.StringToLocation(args[0].ToString());
double distance = Utils.Conversion.StringToDouble(args[1].ToString());
double angle = Utils.Conversion.StringToDouble(args[2].ToString());
if (ll != null)
{
GeodeticCalculator gc = new GeodeticCalculator();
GlobalCoordinates p = gc.CalculateEndingGlobalCoordinates(Ellipsoid.WGS84,
new GlobalCoordinates(new Angle(ll.Lat), new Angle(ll.Lon)),
new Angle(angle), distance);
ret = Utils.Conversion.GetCoordinatesPresentation(p.Latitude.Degrees, p.Longitude.Degrees);
}
return(ret);
}
private bool IsLocationInEnvelopArea(Utils.Location loc, AreaInfo area)
{
bool result = false;
//point in envelope of area
if (loc.Lat >= area.MinLat && loc.Lat <= area.MaxLat && loc.Lon >= area.MinLon && loc.Lon <= area.MaxLon)
{
GetPolygonOfArea(area);
if (area.Polygons != null)
{
foreach (var r in area.Polygons)
{
//point in envelope of polygon
if (loc.Lat >= r.MinLat && loc.Lat <= r.MaxLat && loc.Lon >= r.MinLon && loc.Lon <= r.MaxLon)
{
result = true;
break;
}
}
}
}
return(result);
}
private bool IsLocationInArea(Utils.Location loc, AreaInfo area)
{
return(IsLocationInArea(loc.Lat, loc.Lon, area));
}
public override bool PrepareRun(Database.DBCon db, string tableName)
{
if (Values.Count > 1)
{
try
{
_loc = Utils.Conversion.StringToLocation(Values[0]);
_value = Utils.Conversion.StringToDouble(Values[1]);
}
catch
{
}
}
return base.PrepareRun(db, tableName);
}
public override object Execute(object[] args, ExecutionContext ctx)
{
string ret = StrRes.GetString(StrRes.STR_NO_CROSSING);
ArgumentChecker checker = new ArgumentChecker(this.GetType().Name);
checker.CheckForNumberOfArguments(ref args, 4, null);
Utils.Location ll0 = Utils.Conversion.StringToLocation(args[0].ToString());
Utils.Location ll1 = Utils.Conversion.StringToLocation(args[1].ToString());
Utils.Location ll2 = Utils.Conversion.StringToLocation(args[2].ToString());
Utils.Location ll3 = Utils.Conversion.StringToLocation(args[3].ToString());
// x -> Lon , y -> Lat
decimal y0 = (decimal)ll0.Lat;
decimal y1 = (decimal)ll1.Lat;
decimal y2 = (decimal)ll2.Lat;
decimal y3 = (decimal)ll3.Lat;
decimal x0 = (decimal)ll0.Lon;
decimal x1 = (decimal)ll1.Lon;
decimal x2 = (decimal)ll2.Lon;
decimal x3 = (decimal)ll3.Lon;
decimal?m0 = null; // Gerade 1 senkrecht -> alle x-Werte der Geraden sind gleich
decimal?m1 = null; // Gerade 2 senkrecht -> alle x-Werte der Geraden sind gleich
decimal?n0 = null;
decimal?n1 = null;
if (x1 != x0)
{
m0 = (y1 - y0) / (x1 - x0);
}
if (x3 != x2)
{
m1 = (y3 - y2) / (x3 - x2);
}
if (m0 != m1)
{
decimal?lon = null;
decimal?lat = null;
if (m0 == null)
{
n1 = y2 - x2 * m1;
lon = x0;
lat = m1 * x0 + n1;
}
else if (m1 == null)
{
n0 = y0 - x0 * m0;
lon = x2;
lat = m0 * x2 + n0;
}
else
{
n0 = y0 - x0 * m0;
n1 = y2 - x2 * m1;
lon = (n1 - n0) / (m0 - m1); // x
lat = lon * m0 + n0; // y
}
ret = Utils.Conversion.GetCoordinatesPresentation((double)lat, (double)lon);
}
return(ret);
}
