/// <summary>
/// Calculates distance between this and another <see cref="GeoCoordinate"/> value.
/// Base on the <see cref="EPSG3857"/> reference system.
/// </summary>
/// <param name="other">Other <see cref="GeoCoordinate"/>.</param>
/// <returns>Distance between two <see cref="GeoCoordinate"/> values.</returns>
public double Distance(GeoCoordinate other)
{
CoordinateReferenceSystem referenceSystem = new EPSG3857();
return(Distance(other, referenceSystem));
}
private InverseDistanceWeightingFunction GetIDWFunction(ContourQuery contourQuery, List<TrendingDataLocation> locations = null)
{
CoordinateReferenceSystem crs = new EPSG3857();
List<double> xList = new List<double>();
List<double> yList = new List<double>();
List<double> valueList = new List<double>();
if ((object)locations == null)
locations = GetFrameFromDailySummary(contourQuery);
locations
.Select(location =>
{
GeoCoordinate Coordinate = new GeoCoordinate(location.Latitude, location.Longitude);
double? Value =
(contourQuery.DataType == "Average") ? location.Average :
(contourQuery.DataType == "Minimum") ? location.Minimum :
(contourQuery.DataType == "Maximum") ? location.Maximum :
null;
return new { Coordinate, Value };
})
.Where(obj => (object)obj.Value != null)
.ToList()
.ForEach(obj =>
{
xList.Add(obj.Coordinate.Longitude);
yList.Add(obj.Coordinate.Latitude);
valueList.Add(obj.Value.GetValueOrDefault());
});
if (valueList.Count == 0)
{
xList.Add(0.0D);
yList.Add(0.0D);
using (AdoDataConnection connection = new AdoDataConnection(connectionstring, typeof(SqlConnection), typeof(SqlDataAdapter)))
{
valueList.Add(connection.ExecuteScalar<double>("SELECT NominalValue FROM ContourColorScale WHERE Name = {0}", contourQuery.ColorScaleName));
}
}
return new InverseDistanceWeightingFunction()
.SetXCoordinates(xList.ToArray())
.SetYCoordinates(yList.ToArray())
.SetValues(valueList.ToArray())
.SetDistanceFunction((x1, y1, x2, y2) =>
{
GeoCoordinate coordinate1 = new GeoCoordinate(y1, x1);
GeoCoordinate coordinate2 = new GeoCoordinate(y2, x2);
return crs.Distance(coordinate1, coordinate2);
});
}
private InverseDistanceWeightingFunction GetIDWFunction(ContourQuery contourQuery, List<TrendingDataLocation> locations = null)
{
CoordinateReferenceSystem crs = new EPSG3857();
List<double> xList = new List<double>();
List<double> yList = new List<double>();
List<double> valueList = new List<double>();
if ((object)locations == null)
locations = GetFrameFromDailySummary(contourQuery);
locations
.Select(location =>
{
GeoCoordinate Coordinate = new GeoCoordinate(location.Latitude, location.Longitude);
double? Value =
(contourQuery.DataType == "Average") ? location.Average :
(contourQuery.DataType == "Minimum") ? location.Minimum :
(contourQuery.DataType == "Maximum") ? location.Maximum :
null;
return new { Coordinate, Value };
})
.Where(obj => (object)obj.Value != null)
.ToList()
.ForEach(obj =>
{
xList.Add(obj.Coordinate.Longitude);
yList.Add(obj.Coordinate.Latitude);
valueList.Add(obj.Value.GetValueOrDefault());
});
return new InverseDistanceWeightingFunction()
.SetXCoordinates(xList.ToArray())
.SetYCoordinates(yList.ToArray())
.SetValues(valueList.ToArray())
.SetDistanceFunction((x1, y1, x2, y2) =>
{
GeoCoordinate coordinate1 = new GeoCoordinate(y1, x1);
GeoCoordinate coordinate2 = new GeoCoordinate(y2, x2);
return crs.Distance(coordinate1, coordinate2);
});
}
