public static OptStats OptimizeDatabase(Stream Input, Stream Output, List <GeoFeatureClass> FeatureClassFilter, List <string> CountryFilter)
{
long RecordsIn = 0;
long RecordsOut = 0;
string CountryFilterCompiled = string.Join("|", CountryFilter.ToArray());
StringBuilder sb = new StringBuilder();
foreach (var f in FeatureClassFilter)
{
sb.Append(GeoName.ClassToCode(f));
}
string FeatureClassFilterCompiled = sb.ToString();
using (StreamReader _in = new StreamReader(Input))
{
using (StreamWriter _out = new StreamWriter(Output))
{
string Line;
while (!_in.EndOfStream && (Line = _in.ReadLine()) != null)
{
RecordsIn++;
if (FilterRecord(Line.Split('\t'), FeatureClassFilterCompiled, CountryFilterCompiled))
{
RecordsOut++;
_out.WriteLine(Line);
}
}
}
}
return(new OptStats(RecordsIn, RecordsOut));
}
/// <summary>
/// All the geocoding data can be gotten from: http://download.geonames.org/export/dump/
/// </summary>
/// <param name="input"></param>
public void SetPlaces(Stream input)
{
Places.Clear();
using (StreamReader db = new StreamReader(input))
{
string line;
while (!db.EndOfStream && (line = db.ReadLine()) != null)
{
if (line.StartsWith("#"))
{
continue;
}
var place = new GeoName(line, CountryInfos);
Places.Add(place);
}
}
}
private void Initialize(Stream Input, bool MajorPlacesOnly)
{
List <GeoName> Places = new List <GeoName>();
using (StreamReader db = new StreamReader(Input))
{
string Line;
while (!db.EndOfStream && (Line = db.ReadLine()) != null)
{
var Place = new GeoName(Line);
if (!MajorPlacesOnly || Place.FeatureClass != GeoFeatureClass.City)
{
Places.Add(Place);
}
}
}
Tree = new KDTree <GeoName>(Places.ToArray());
}
private void Initialize(Stream Input, bool MajorPlacesOnly)
{
List <GeoName> Places = new List <GeoName>();
using (StreamReader db = new StreamReader(Input))
{
string Line;
while (!db.EndOfStream && (Line = db.ReadLine()) != null)
{
var Place = new GeoName(Line);
if (!MajorPlacesOnly || Place.FeatureClass != GeoFeatureClass.City)
{
Places.Add(Place);
}
}
}
Names = new Dictionary <string, GeoName>();
foreach (var p in Places)
{
}
}
