namespace UnitTests.Data.Providers

{

[NUnit.Framework.TestFixture]

public class ShapeFileProviderTests : ProviderTest

{

private long _msLineal;

private long _msVector;

private const int NumberOfRenderCycles = 1;

[NUnit.Framework.OneTimeTearDown]

public void OneTimeTearDown()

{

System.Diagnostics.Trace.WriteLine("Speed comparison:");

System.Diagnostics.Trace.WriteLine("VectorLayer\tLinealLayer\tRatio");

System.Diagnostics.Trace.WriteLine(string.Format("{0}\t{1}\t{2:N}", _msVector, _msLineal,

((double)_msLineal / _msVector * 100)));

}

[NUnit.Framework.Test]

public void TestReadValueZFromPointZShapeFile()

{

string file = TestUtility.GetPathToTestFile("Point_With_Z.shp");

var sh = new SharpMap.Data.Providers.ShapeFile(file, true);

sh.Open();

int fc = sh.GetFeatureCount();

NUnit.Framework.Assert.AreEqual(1149, fc);

NUnit.Framework.Assert.AreEqual(0, sh.GetObjectIDsInView(sh.GetExtents())[0]);

var featsInView = sh.GetGeometriesInView(new NetTopologySuite.Geometries.Envelope(sh.GetExtents()));

NUnit.Framework.Assert.AreEqual(1149, featsInView.Count);

foreach (var item in featsInView)

{

NUnit.Framework.Assert.IsNotNull(item.Coordinate.Z);

NUnit.Framework.Assert.IsFalse(double.IsNaN(item.Coordinate.Z));

}

NUnit.Framework.Assert.AreEqual(featsInView[0].Coordinate.Z, 146.473);

NUnit.Framework.Assert.AreEqual(featsInView[1].Coordinate.Z, 181.374);

NUnit.Framework.Assert.AreEqual(featsInView[2].Coordinate.Z, 146.676);

NUnit.Framework.Assert.AreEqual(featsInView[3].Coordinate.Z, 181.087);

NUnit.Framework.Assert.AreEqual(featsInView[4].Coordinate.Z, 169.948);

NUnit.Framework.Assert.AreEqual(featsInView[5].Coordinate.Z, 169.916);

sh.Close();

}

[NUnit.Framework.Test]

public void TestReadValueZFromLineStringZShapeFile()

{

string file = TestUtility.GetPathToTestFile("LineString_With_Z.shp");

var sh = new SharpMap.Data.Providers.ShapeFile(file, true);

sh.Open();

int fc = sh.GetFeatureCount();

NUnit.Framework.Assert.AreEqual(1221, fc);

NUnit.Framework.Assert.AreEqual(0, sh.GetObjectIDsInView(sh.GetExtents())[0]);

var featsInView = sh.GetGeometriesInView(new NetTopologySuite.Geometries.Envelope(sh.GetExtents()));

NUnit.Framework.Assert.AreEqual(1221, featsInView.Count);

foreach (var item in featsInView)

{

NUnit.Framework.Assert.IsNotNull(item.Coordinate.Z);

NUnit.Framework.Assert.IsFalse(double.IsNaN(item.Coordinate.Z));

}

NUnit.Framework.Assert.AreEqual(featsInView[0].Coordinates[0].Z, 35.865);

NUnit.Framework.Assert.AreEqual(featsInView[0].Coordinates[1].Z, 35.743);

NUnit.Framework.Assert.AreEqual(featsInView[1].Coordinates[0].Z, 35.518);

NUnit.Framework.Assert.AreEqual(featsInView[1].Coordinates[1].Z, 35.518);

NUnit.Framework.Assert.AreEqual(featsInView[2].Coordinates[0].Z, 37.438);

NUnit.Framework.Assert.AreEqual(featsInView[2].Coordinates[1].Z, 37.441);

NUnit.Framework.Assert.AreEqual(featsInView[3].Coordinates[0].Z, 37.441);

NUnit.Framework.Assert.AreEqual(featsInView[3].Coordinates[1].Z, 37.441);

sh.Close();

}

[NUnit.Framework.Test]

public void UsingTest()

{

using (var s = System.IO.File.Open(TestUtility.GetPathToTestFile("SPATIAL_F_SKARVMUFF.shp"), System.IO.FileMode.Open))

{

using (var reader = new System.IO.BinaryReader(s))

{

System.Diagnostics.Trace.WriteLine(reader.ReadInt32());

}

NUnit.Framework.Assert.Throws<System.ObjectDisposedException>(() => System.Diagnostics.Trace.WriteLine(s.Position));

}

}

private static void CopyShapeFile(string path, out string tmp)

{

tmp = System.IO.Path.ChangeExtension(System.IO.Path.GetTempFileName(), ".shp");

if (!System.IO.File.Exists(path)) throw new NUnit.Framework.IgnoreException("File not found");

foreach (var file in System.IO.Directory.GetFiles(System.IO.Path.GetDirectoryName(path), System.IO.Path.GetFileNameWithoutExtension(path) + ".*"))

{

var copyFile = System.IO.Path.ChangeExtension(tmp, System.IO.Path.GetExtension(file));

if (System.IO.File.Exists(copyFile)) System.IO.File.Delete(copyFile);

System.IO.File.Copy(file, copyFile);

}

}

[NUnit.Framework.Test]

public void TestDeleteAfterClose()

{

string test;

CopyShapeFile(TestUtility.GetPathToTestFile("SPATIAL_F_SKARVMUFF.shp"), out test);

var shp = new SharpMap.Data.Providers.ShapeFile(test);

shp.Open();

shp.Close();

var succeeded = true;

foreach (var file in System.IO.Directory.GetFiles(System.IO.Path.GetDirectoryName(test), System.IO.Path.GetFileNameWithoutExtension(test) + ".*"))

{

try

{

System.IO.File.Delete(file);

}

catch (System.Exception)

{

System.Diagnostics.Trace.WriteLine("Failed to delete '{0}'", file);

succeeded = false;

}

}

NUnit.Framework.Assert.IsTrue(succeeded);

}

[NUnit.Framework.Test]

public void TestReadPointZShapeFile()

{

string file = TestUtility.GetPathToTestFile("SPATIAL_F_SKARVMUFF.shp");

var sh = new SharpMap.Data.Providers.ShapeFile(file, true);

sh.Open();

int fc = sh.GetFeatureCount();

NUnit.Framework.Assert.AreEqual(4342, fc);

NUnit.Framework.Assert.AreEqual(0, sh.GetObjectIDsInView(sh.GetExtents())[0]);

var featsInView = sh.GetGeometriesInView(new NetTopologySuite.Geometries.Envelope(sh.GetExtents()));

NUnit.Framework.Assert.AreEqual(4342, featsInView.Count);

sh.Close();

}

[NUnit.Framework.Test]

public void TestPerformanceVectorLayer()

{

NUnit.Framework.Assert.IsTrue(System.IO.File.Exists(TestUtility.GetPathToTestFile("SPATIAL_F_SKARVMUFF.shp")),

"Specified shapefile is not present!");

var map = new SharpMap.Map(new System.Drawing.Size(1024, 768));

var shp = new SharpMap.Data.Providers.ShapeFile(TestUtility.GetPathToTestFile("SPATIAL_F_SKARVMUFF.shp"), false, false);

var lyr = new SharpMap.Layers.VectorLayer("Roads", shp);

map.Layers.Add(lyr);

map.ZoomToExtents();

RepeatedRendering(map, shp.GetFeatureCount(), NumberOfRenderCycles, out _msVector);

string path = System.IO.Path.Combine(UnitTestsFixture.GetImageDirectory(this), "SPATIAL_F_SKARVMUFF.shp");

path = System.IO.Path.ChangeExtension(path, ".vector.png");

using (var res = map.GetMap())

res.Save(path, System.Drawing.Imaging.ImageFormat.Png);

System.Diagnostics.Trace.WriteLine("\nResult saved at file://" + path.Replace('\\', '/'));

}

[NUnit.Framework.Test]

public void TestPerformanceLinealLayer()

{

NUnit.Framework.Assert.IsTrue(System.IO.File.Exists(TestUtility.GetPathToTestFile("roads_ugl.shp")),

"Specified shapefile is not present!");

var map = new SharpMap.Map(new System.Drawing.Size(1024, 768));

var shp = new SharpMap.Data.Providers.ShapeFile(TestUtility.GetPathToTestFile("roads_ugl.shp"), false, false);

var lyr = new SharpMap.Layers.Symbolizer.LinealVectorLayer("Roads", shp)

{

Symbolizer =

new SharpMap.Rendering.Symbolizer.BasicLineSymbolizer

{ Line = new System.Drawing.Pen(System.Drawing.Color.Black) }

};

map.Layers.Add(lyr);

map.ZoomToExtents();

RepeatedRendering(map, shp.GetFeatureCount(), NumberOfRenderCycles, out _msLineal);

System.Diagnostics.Trace.WriteLine("\nWith testing if record is deleted ");

shp.CheckIfRecordIsDeleted = true;

long tmp;

RepeatedRendering(map, shp.GetFeatureCount(), 1, out tmp);

var path = System.IO.Path.Combine(UnitTestsFixture.GetImageDirectory(this), "SPATIAL_F_SKARVMUFF.shp");

path = System.IO.Path.ChangeExtension(path, "lineal.png");

using (var res = map.GetMap())

res.Save(path, System.Drawing.Imaging.ImageFormat.Png);

System.Diagnostics.Trace.WriteLine("\nResult saved at file://" + path.Replace('\\', '/'));

}

private static void RepeatedRendering(SharpMap.Map map, int numberOfFeatures, int numberOfTimes, out long avgRenderTime)

{

System.Diagnostics.Trace.WriteLine("Rendering Map with " + numberOfFeatures + " features");

var totalRenderTime = 0L;

var sw = new System.Diagnostics.Stopwatch();

for (var i = 1; i <= numberOfTimes; i++)

{

System.Diagnostics.Trace.Write(string.Format("Rendering {0}x time(s)", i));

sw.Start();

map.GetMap();

sw.Stop();

System.Diagnostics.Trace.WriteLine(" in " +

sw.ElapsedMilliseconds.ToString(

System.Globalization.NumberFormatInfo.CurrentInfo) + "ms.");

totalRenderTime += sw.ElapsedMilliseconds;

sw.Reset();

}

avgRenderTime = totalRenderTime / numberOfTimes;

System.Diagnostics.Trace.WriteLine("\n Average rendering time:" + avgRenderTime.ToString(

System.Globalization.NumberFormatInfo.CurrentInfo) + "ms.");

}

[NUnit.Framework.Test]

public void TestGetFeature()

{

NUnit.Framework.Assert.IsTrue(System.IO.File.Exists(TestUtility.GetPathToTestFile("SPATIAL_F_SKARVMUFF.shp")),

"Specified shapefile is not present!");

var shp = new SharpMap.Data.Providers.ShapeFile(TestUtility.GetPathToTestFile("SPATIAL_F_SKARVMUFF.shp"), false, false);

shp.Open();

var feat = shp.GetFeature(0);

NUnit.Framework.Assert.IsNotNull(feat);

shp.Close();

}

[NUnit.Framework.Test]

public void TestExecuteIntersectionQuery()

{

NUnit.Framework.Assert.IsTrue(System.IO.File.Exists(TestUtility.GetPathToTestFile("SPATIAL_F_SKARVMUFF.shp")),

"Specified shapefile is not present!");

var shp = new SharpMap.Data.Providers.ShapeFile(TestUtility.GetPathToTestFile("SPATIAL_F_SKARVMUFF.shp"), false, false);

shp.Open();

var fds = new SharpMap.Data.FeatureDataSet();

var bbox = shp.GetExtents();

//narrow it down

bbox.ExpandBy(-0.425 * bbox.Width, -0.425 * bbox.Height);

//Just to avoid that initial query does not impose performance penalty

shp.DoTrueIntersectionQuery = false;

shp.ExecuteIntersectionQuery(bbox, fds);

fds.Tables.RemoveAt(0);

//Perform query once more

var sw = new System.Diagnostics.Stopwatch();

sw.Start();

shp.ExecuteIntersectionQuery(bbox, fds);

sw.Stop();

System.Diagnostics.Trace.WriteLine("Queried using just envelopes:\n" + fds.Tables[0].Rows.Count + " in " +

sw.ElapsedMilliseconds + "ms.");

fds.Tables.RemoveAt(0);

shp.DoTrueIntersectionQuery = true;

sw.Reset();

sw.Start();

shp.ExecuteIntersectionQuery(bbox, fds);

sw.Stop();

System.Diagnostics.Trace.WriteLine("Queried using prepared geometries:\n" + fds.Tables[0].Rows.Count + " in " +

sw.ElapsedMilliseconds + "ms.");

}

[NUnit.Framework.Test]

public void TestExecuteIntersectionQueryWithFilterDelegate()

{

NUnit.Framework.Assert.IsTrue(System.IO.File.Exists(TestUtility.GetPathToTestFile("SPATIAL_F_SKARVMUFF.shp")),

"Specified shapefile is not present!");

var shp = new SharpMap.Data.Providers.ShapeFile(TestUtility.GetPathToTestFile("SPATIAL_F_SKARVMUFF.shp"), false, false);

shp.Open();

var fds = new SharpMap.Data.FeatureDataSet();

var bbox = shp.GetExtents();

//narrow it down

bbox.ExpandBy(-0.425 * bbox.Width, -0.425 * bbox.Height);

//Just to avoid that initial query does not impose performance penalty

shp.DoTrueIntersectionQuery = false;

shp.FilterDelegate = JustTracks;

shp.ExecuteIntersectionQuery(bbox, fds);

fds.Tables.RemoveAt(0);

//Perform query once more

var sw = new System.Diagnostics.Stopwatch();

sw.Start();

shp.ExecuteIntersectionQuery(bbox, fds);

sw.Stop();

System.Diagnostics.Trace.WriteLine("Queried using just envelopes:\n" + fds.Tables[0].Rows.Count + " in " +

sw.ElapsedMilliseconds + "ms.");

fds.Tables.RemoveAt(0);

shp.DoTrueIntersectionQuery = true;

sw.Reset();

sw.Start();

shp.ExecuteIntersectionQuery(bbox, fds);

sw.Stop();

System.Diagnostics.Trace.WriteLine("Queried using prepared geometries:\n" + fds.Tables[0].Rows.Count + " in " +

sw.ElapsedMilliseconds + "ms.");

}

public static bool JustTracks(SharpMap.Data.FeatureDataRow fdr)

{

//System.Diagnostics.Trace.WriteLine(fdr [0] + ";"+ fdr[4]);

var s = fdr[4] as string;

if (s != null)

return s == "track";

return true;

}

}

}