public Limits CreateExpandedLimit(double rangeOutKm)
{
var result = new Limits();
var geoList = new List<Geo>();
if (Geos == null || Geos.Count == 0)
{
result.Name = Name + "-Undefined";
}
else
{
var newName = Name;
if (newName != null)
{
var suffix = "";
if (newName.EndsWith(".ovr"))
{
newName = newName.Substring(0, newName.IndexOf(".ovr"));
suffix = ".ovr";
}
result.Name = String.Format("{0}_{1}K{2}", newName, rangeOutKm, suffix);
}
Geo lastEndPt = null;
GeoSegment segment = null;
foreach (var curSegment in _region.Segments)
{
var lineCourse = curSegment[0].Azimuth(curSegment[1]);
segment = curSegment;
// gives specular reflection with angle from center of region
// double ang = Geo.angle(centerOfRegion, segPts[1], segPts[0]);
// double azimuth = Math.toDegrees((lineCourse + (isClockWise ? 1 :
// -1) * ang)) % (360.0);
var azimuth = (lineCourse + (_isClockWise ? -1 : 1) * (Math.PI / 2)) % ((Math.PI * 2.0));
var newPt0 = curSegment[0].Offset(Geo.KilometersToRadians(rangeOutKm), azimuth);
var newPt1 = curSegment[1].Offset(Geo.KilometersToRadians(rangeOutKm), azimuth);
if (lastEndPt != null)
{
var left = (_isClockWise ? lastEndPt : newPt0);
var right = (_isClockWise ? newPt0 : lastEndPt);
var arc = curSegment[0].ApproximateArc(left, right, Geo.DegreesToRadians(5.0));
var arcList = new List<Geo>(arc.Length);
for (var i = 1; i < arc.Length - 1; i++)
{
var a = arc[i];
if (_isClockWise) arcList.Add(a);
else arcList.Insert(0, a);
}
geoList.AddRange(arcList);
}
geoList.Add(newPt0);
geoList.Add(newPt1);
for (var i = 0; i < geoList.Count - 1; i++)
if ((Math.Abs(geoList[i].Latitude - geoList[i + 1].Latitude) < .000001) && (Math.Abs(geoList[i].Longitude - geoList[i + 1].Longitude) < .000001)) Debugger.Break();
lastEndPt = newPt1;
}
if (lastEndPt != null)
{
var left = (_isClockWise ? lastEndPt : geoList[0]);
var right = (_isClockWise ? geoList[0] : lastEndPt);
var arc = segment[1].ApproximateArc(left, right, Geo.DegreesToRadians(5.0));
var arcList = new List<Geo>(arc.Length);
for (var i = 1; i < arc.Length; i++)
{
var a = arc[i];
if (_isClockWise) arcList.Add(a);
else arcList.Insert(0, a);
}
geoList.AddRange(arcList);
}
for (var i = 0; i < geoList.Count - 1; i++)
if ((Math.Abs(geoList[i].Latitude - geoList[i + 1].Latitude) < .000001) && (Math.Abs(geoList[i].Longitude - geoList[i + 1].Longitude) < .000001)) Debugger.Break();
result.Geos = geoList;
result.Initialize();
}
return result;
}
public static Limits CreateBoundingBoxLimit(List<Limits> areas, double rangeOutKm)
{
var result = new Limits
{
Name = "bounds-cw.ovr"
};
foreach (var l in areas)
{
foreach (var p in l.Geos) result.Geos.Add(p);
}
foreach (var geo in result.Geos)
{
if (geo.Latitude < result._minLat)
{
result._minLat = geo.Latitude;
}
if (geo.Latitude > result._maxLat)
{
result._maxLat = geo.Latitude;
}
if (geo.Longitude < result._minLon)
{
result._minLon = geo.Longitude;
}
if (geo.Longitude > result._maxLon)
{
result._maxLon = geo.Longitude;
}
}
result.Geos.Clear();
result.Geos.Add(new Geo(result._minLat, result._minLon).Offset(Geo.KilometersToRadians(Math.Sqrt(2) * rangeOutKm), Geo.DegreesToRadians(225)));
result.Geos.Add(new Geo(result._maxLat, result._minLon).Offset(Geo.KilometersToRadians(Math.Sqrt(2) * rangeOutKm), Geo.DegreesToRadians(315)));
result.Geos.Add(new Geo(result._maxLat, result._maxLon).Offset(Geo.KilometersToRadians(Math.Sqrt(2) * rangeOutKm), Geo.DegreesToRadians(45)));
result.Geos.Add(new Geo(result._minLat, result._maxLon).Offset(Geo.KilometersToRadians(Math.Sqrt(2) * rangeOutKm), Geo.DegreesToRadians(135)));
result.Geos.Add(new Geo(result._minLat, result._minLon).Offset(Geo.KilometersToRadians(Math.Sqrt(2) * rangeOutKm), Geo.DegreesToRadians(225)));
result.Initialize();
return result;
}
public Limits CreateBoundingBoxLimit(double rangeOutKm)
{
var result = new Limits();
if (Geos == null || Geos.Count == 0)
{
result.Name = Name + "-Undefined";
}
else
{
result.Name = Name + "-Bounding";
foreach (var geo in Geos)
{
var dot = _centerOfRegion.Azimuth(geo);
var point = geo.Offset(Geo.KilometersToRadians(rangeOutKm), dot);
result.Geos.Add(point);
}
result.Initialize();
}
return result;
}