public static LocationCollection ToLocationCollection(this IEnumerable <Location> locations)
{
var locationCollection = new LocationCollection();
foreach (var location in locations)
{
locationCollection.Add(location);
}
return(locationCollection);
}
public static LocationCollection ToLocationCollection(this LineString lineString, bool assignIds = false)
{
var key = 0;
var locationCollection = new LocationCollection();
foreach (var coordinate in lineString.Coordinates)
{
locationCollection.Add(new Location
{
Key = assignIds ? key++ + "" : null,
Latitude = coordinate.Latitude,
Longitude = coordinate.Longitude
});
}
return(locationCollection);
}
/// <summary>
/// Reads a LocationCollection from a CSV file. The file is expected to have 3 columns - Section ID, Lat, Lon. The file
/// is assumed to have a header.
/// </summary>
/// <param name="path">Full path of the file to read.</param>
/// <returns>Contents to the file as LocationCollection.</returns>
public static LocationCollection ReadCsv(string path)
{
var locationCollection = new LocationCollection();
var lines = File.ReadAllLines(path);
var headers = lines.First()
.Trim()
.Split(",".ToArray());
foreach (var line in lines.Skip(1))
{
var parts = line.Trim().Split(",".ToCharArray());
if (parts.Length != headers.Count())
{
continue;
}
var location = new Location();
for (var i = 0; i < headers.Length; i++)
{
if (headers[i].Trim().ToLower() == "latitude")
{
location.Latitude = Convert.ToDouble(parts[i]);
}
else if (headers[i].Trim().ToLower() == "longitude")
{
location.Longitude = Convert.ToDouble(parts[i]);
}
else if (headers[i].Trim().ToLower() == "section id")
{
location.Key = parts[i];
}
else
{
location[headers[i]] = parts[i].Parse();
}
}
locationCollection.Add(location);
}
return(locationCollection);
}