ISpatialIndex <uint> ISpatialIndexFactory <uint> .Load(string fileName)
{
try
{
var tree = SbnTree.Load(Path.ChangeExtension(fileName, "sbn"));
return(new SbnTreeWrapper(tree));
}
catch (FileNotFoundException)
{
return(null);
}
}
public void TestToText(string sbnFile)
{
if (!File.Exists(sbnFile))
{
throw new IgnoreException("File '" + sbnFile + "' not found!");
}
SbnTree sbn = null;
Assert.DoesNotThrow(() => sbn = SbnTree.Load(sbnFile));
Assert.DoesNotThrow(() => SbnTree.SbnToText(sbnFile, new StreamWriter(File.OpenWrite(Path.ChangeExtension(sbnFile, ".sbn.txt")))));
Assert.IsNotNull(sbn);
Assert.IsTrue(sbn.VerifyNodes());
var sbnTestFile = Path.ChangeExtension(sbnFile, null) + "_test.sbn";
Assert.DoesNotThrow(() => sbn.Save(sbnTestFile));
Assert.DoesNotThrow(() => SbnTree.SbnToText(sbnTestFile, new StreamWriter(File.OpenWrite(Path.ChangeExtension(sbnTestFile, ".sbn.txt")))));
}
public void Test(string sbnFile)
{
if (!File.Exists(sbnFile))
{
throw new IgnoreException("File '" + sbnFile + "' not found!");
}
SbnTree sbn = null;
Assert.DoesNotThrow(() => sbn = SbnTree.Load(sbnFile));
Assert.IsNotNull(sbn);
Assert.IsTrue(sbn.VerifyNodes());
var sbnTestFile = Path.ChangeExtension(sbnFile, null) + "_test.sbn";
Assert.DoesNotThrow(() => sbn.Save(sbnTestFile));
var fiO = new FileInfo(sbnFile);
var fiT = new FileInfo(sbnTestFile);
Assert.AreEqual(fiO.Length, fiT.Length);
}
public void TestQueryTime(string sbnFile)
{
if (!File.Exists(sbnFile))
{
throw new IgnoreException("File '" + sbnFile + "' not found!");
}
var sw = new Stopwatch();
SbnTree sbn = null;
sw.Start();
Assert.DoesNotThrow(() => sbn = SbnTree.Load(sbnFile));
sw.Stop();
Console.WriteLine("SbnTree read in {0:N0} ticks", sw.ElapsedTicks);
var fullExtent = sbn.Extent;
for (var i = 0; i < 10; i++)
{
sw.Restart();
var fids = new List <uint>(sbn.QueryFids(fullExtent));
sw.Stop();
Console.WriteLine("Querying full in {0:N0} ticks ({1} ids)", sw.ElapsedTicks, fids.Count);
}
var partialExtent = ToSbn(new Envelope(
fullExtent.MinX + 0.4 * fullExtent.Width,
fullExtent.MaxX - 0.4 * fullExtent.Width,
fullExtent.MinY + 0.3 * fullExtent.Height,
fullExtent.MaxY - 0.3 * fullExtent.Height));
for (var i = 0; i < 10; i++)
{
sw.Restart();
var fids = new List <uint>(sbn.QueryFids(partialExtent));
sw.Stop();
Console.WriteLine("Querying part in {0:N0} ticks ({1} ids)", sw.ElapsedTicks, fids.Count);
}
}
