private static void AssertEqual(Dictionary <string, object> expected, AttributesTable actual)
{
// test everything after a serialize + deserialize round-trip
ExpectedAndActual.RoundTrip(ref expected, ref actual);
Assert.That(actual.Count, Is.EqualTo(expected.Count));
Assert.That(actual, Is.EquivalentTo(expected));
Assert.That(actual.GetNames().Count, Is.EqualTo(expected.Keys.Count));
Assert.That(actual.GetNames(), Is.EquivalentTo(expected.Keys));
Assert.That(actual.GetValues().Count, Is.EqualTo(expected.Values.Count));
Assert.That(actual.GetValues(), Is.EquivalentTo(expected.Values));
foreach ((string key, object value) in expected)
{
Assert.That(actual.Exists(key));
Assert.That(actual[key], Is.EqualTo(value));
object retrieved = actual.GetOptionalValue(key);
Assert.That(retrieved, Is.EqualTo(value));
Assert.That(actual.GetType(key), Is.EqualTo(value?.GetType() ?? typeof(object)));
}
}
public static void DumpAttributes(string title, AttributesTable attributes)
{
string str = "[" + title + "] ";
var names = attributes.GetNames();
foreach (var name in names)
{
str += name + "=" + attributes[name] + " ; ";
}
Console.WriteLine(str);
}
public void ReadJsonWithInnerObjectTest()
{
var atS = new AttributesTable();
var inner = new AttributesTable();
atS.Add("test1", "value1");
atS.Add("test2", inner);
inner.Add("innerTest1", "innerValue1");
inner.Add("innerTest2", "innerValue2");
var options = DefaultOptions;
IAttributesTable atD = null;
using (var ms = new MemoryStream())
{
Serialize(ms, atS, options);
Console.WriteLine(Encoding.UTF8.GetString(ms.ToArray()));
atD = Deserialize(ms, options);
}
Assert.That(atD, Is.Not.Null);
// Check properties on attribute table
Assert.That(atD, Is.InstanceOf <IAttributesTable>());
Assert.That(atD.Count, Is.EqualTo(atS.Count));
Assert.That(atD.GetNames()[0], Is.EqualTo(atS.GetNames()[0]));
Assert.That(atD.GetNames()[1], Is.EqualTo(atS.GetNames()[1]));
Assert.That(atD[atD.GetNames()[0]], Is.EqualTo(atS[atS.GetNames()[0]]));
Assert.That(atD[atD.GetNames()[1]], Is.InstanceOf <IAttributesTable>());
var atdInner = (IAttributesTable)atD[atD.GetNames()[1]];
object atdInnerTest1 = atdInner["innerTest1"];
Assert.That(atdInnerTest1, Is.InstanceOf <string>());
Assert.That((string)atdInnerTest1, Is.EqualTo((string)inner["innerTest1"]));
object atdInnerTest2 = atdInner["innerTest2"];
Assert.That(atdInnerTest2, Is.InstanceOf <string>());
Assert.That((string)atdInnerTest2, Is.EqualTo((string)inner["innerTest2"]));
}
internal static IEnumerable <Feature> Load(string v)
{
var shapeFileDataReader = Shapefile.CreateDataReader(v, new GeometryFactory());
ShapefileHeader shpHeader = shapeFileDataReader.ShapeHeader;
DbaseFileHeader header = shapeFileDataReader.DbaseHeader;
shapeFileDataReader.Reset();
//Read through all records of the shapefile (geometry and attributes) into a feature collection
List <Feature> features = new List <Feature>();
int j = 1;
while (shapeFileDataReader.Read())
{
Feature feature = new Feature();
AttributesTable attributesTable = new AttributesTable();
string[] keys = new string[header.NumFields];
var pm = new PrecisionModel(10.0);
var pop = new NetTopologySuite.Precision.GeometryPrecisionReducer(pm);
Geometry geometry = NetTopologySuite.Simplify.DouglasPeuckerSimplifier.Simplify(pop.Reduce((Geometry)shapeFileDataReader.Geometry), 0.5);
// geometry = NetTopologySuite.Operation.BoundaryOp.GetBoundary(geometry);
// var pol = new NetTopologySuite.Operation.Polygonize.Polygonizer();
// pol.Add()
if (geometry.IsEmpty)
{
continue;
}
for (int i = 0; i < header.NumFields; i++)
{
DbaseFieldDescriptor fldDescriptor = header.Fields[i];
keys[i] = fldDescriptor.Name;
attributesTable.Add(fldDescriptor.Name, shapeFileDataReader.GetValue(i + 1));
}
if (!attributesTable.GetNames().Contains("NAME", StringComparer.InvariantCulture))
{
attributesTable.Add("NAME", j);
}
feature.Geometry = geometry;
feature.Attributes = attributesTable;
features.Add(feature);
j++;
}
//Close and free up any resources
shapeFileDataReader.Close();
shapeFileDataReader.Dispose();
return(features);
}
public void WriteJsonTest()
{
var sb = new StringBuilder();
var atS = new AttributesTable();
IAttributesTable atD = null;
atS.Add("test1", "value1");
atS.Add("test2", "value2");
var options = DefaultOptions;
using (var ms = new MemoryStream())
{
Serialize(ms, atS, options);
Assert.AreEqual("{\"test1\":\"value1\",\"test2\":\"value2\"}", Encoding.UTF8.GetString(ms.ToArray()));
atD = Deserialize(ms, options);
}
Assert.That(atD, Is.Not.Null);
Assert.That(atD.Count, Is.EqualTo(atS.Count));
Assert.That(atD.GetNames()[0], Is.EqualTo(atS.GetNames()[0]));
Assert.That(atD.GetNames()[1], Is.EqualTo(atS.GetNames()[1]));
Assert.That(atD[atD.GetNames()[0]], Is.EqualTo(atS[atS.GetNames()[0]]));
Assert.That(atD[atD.GetNames()[1]], Is.EqualTo(atS[atS.GetNames()[1]]));
}
private void ReadFromShapeFile()
{
ArrayList featureCollection = new ArrayList();
string filename = @"country";
if (!File.Exists(filename + ".dbf"))
{
throw new FileNotFoundException(filename + " not found at " + Environment.CurrentDirectory);
}
ShapefileDataReader dataReader = new ShapefileDataReader(filename, new GeometryFactory());
while (dataReader.Read())
{
Feature feature = new Feature();
feature.Geometry = dataReader.Geometry;
int length = dataReader.DbaseHeader.NumFields;
string[] keys = new string[length];
for (int i = 0; i < length; i++)
{
keys[i] = dataReader.DbaseHeader.Fields[i].Name;
}
feature.Attributes = new AttributesTable();
for (int i = 0; i < length; i++)
{
object val = dataReader.GetValue(i);
feature.Attributes.AddAttribute(keys[i], val);
}
featureCollection.Add(feature);
}
int index = 0;
Console.WriteLine("Elements = " + featureCollection.Count);
foreach (Feature feature in featureCollection)
{
Console.WriteLine("Feature " + index++);
AttributesTable table = feature.Attributes as AttributesTable;
foreach (string name in table.GetNames())
{
Console.WriteLine(name + ": " + table[name]);
}
}
// Test write with stub header
string file = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, @"../../../NetTopologySuite.Samples.Shapefiles/testWriteStubHeader");
if (File.Exists(file + ".shp"))
{
File.Delete(file + ".shp");
}
if (File.Exists(file + ".shx"))
{
File.Delete(file + ".shx");
}
if (File.Exists(file + ".dbf"))
{
File.Delete(file + ".dbf");
}
ShapefileDataWriter dataWriter = new ShapefileDataWriter(file);
dataWriter.Header = ShapefileDataWriter.GetHeader(featureCollection[0] as Feature, featureCollection.Count);
dataWriter.Write(featureCollection);
// Test write with header from a existing shapefile
file = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, @"../../../NetTopologySuite.Samples.Shapefiles/testWriteShapefileHeader");
if (File.Exists(file + ".shp"))
{
File.Delete(file + ".shp");
}
if (File.Exists(file + ".shx"))
{
File.Delete(file + ".shx");
}
if (File.Exists(file + ".dbf"))
{
File.Delete(file + ".dbf");
}
dataWriter = new ShapefileDataWriter(file);
dataWriter.Header = ShapefileDataWriter.GetHeader(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, @"../../../NetTopologySuite.Samples.Shapefiles/country.dbf"));
dataWriter.Write(featureCollection);
}