private static IList <IGeometry> LoadWKT(String filename)
{
var rdr = new WKTReader(geomFact);
var fileRdr = new WKTFileReader(filename, rdr);
return(fileRdr.Read());
}
// here's how I generated coords.dat.gz (set TestDataPath and add references + usings, of course):
#if false
static void GenerateTestData()
{
const string TestDataPath = @"C:\Path\To\TestData";
var lst = new List <Coordinate>();
foreach (var fl in new[] { "africa.wkt", "europe.wkt", "world.wkt" })
{
var wkt = new WKTFileReader(Path.Combine(TestDataPath, fl), new WKTReader());
lst.AddRange(wkt.Read().SelectMany(g => g.Coordinates));
}
using (var writer = new BinaryWriter(new GZipStream(File.Create(Path.Combine(TestDataPath, "coords.dat.gz")), CompressionLevel.Optimal)))
{
writer.Write(lst.Count);
foreach (var coord in lst)
{
writer.Write(coord.X);
}
foreach (var coord in lst)
{
writer.Write(coord.Y);
}
}
}
public static IList <IGeometry> ReadWKTFile(String filename)
{
#if !PCL
var fileRdr = new WKTFileReader(filename, reader);
#else
var fileRdr = new WKTFileReader(new BufferedStream(new FileStream(filename, FileMode.Open), 2048), reader);
#endif
var geoms = fileRdr.Read();
return(geoms);
}
void PerformanceTest(Stream file)
{
var fileRdr = new WKTFileReader(new StreamReader(file), rdr);
var polys = fileRdr.Read();
//RunAll(polys, 0.01);
//RunAll(polys, 0.1);
RunAll(polys, 1.0);
//RunAll(polys, 10.0);
//RunAll(polys, 100.0);
//RunAll(polys, 1000.0);
}
static void ReadWithCommas()
{
var wktReader = new WKTReader();
Console.WriteLine("With commas");
var reader = new WKTFileReader(linestringWithCommas, wktReader);
// this doesn't affect the behaviour
reader.Limit = -1;
reader.Offset = 0;
var geometries = reader.Read();
Console.WriteLine($"Count of geometries: {geometries.Count}");
}
static void ReadCollection()
{
var wktReader = new WKTReader();
Console.WriteLine("Collection");
var reader = new WKTFileReader(collection, wktReader);
// this doesn't affect the behaviour
reader.Limit = -1;
reader.Offset = 0;
var geometries = reader.Read();
Console.WriteLine($"Count of geometries: {geometries.Count}");
Console.WriteLine($"Count of sub geometries: {geometries.First().NumGeometries}");
}
private static void CheckInteriorPointFile(String file)
{
var fileRdr = new WKTFileReader(file, new WKTReader());
CheckInteriorPointFile(Path.GetFileName(file), fileRdr);
}
public static List <Geometry> readWKTFile(Stream fileStream)
{
var fileRdr = new WKTFileReader(fileStream, new WKTReader());
return((List <Geometry>)fileRdr.Read());
}