public void ReadShapeFile_WithoutName_MapDataHasDefaultName(string name)
{
// Setup
string shapeWithOneLine = TestHelper.GetTestDataPath(TestDataPath.Core.Components.Gis.IO,
"traject_10-1.shp");
using (var reader = new PolylineShapeFileReader(shapeWithOneLine))
{
// Call
var line = (MapLineData)reader.ReadShapeFile(name);
// Assert
Assert.AreEqual("Lijn", line.Name);
}
}
public void ReadShapeFile_ShapeFileWithOneLineFeature_ReturnShape()
{
// Setup
string shapeWithOneLine = TestHelper.GetTestDataPath(TestDataPath.Core.Components.Gis.IO,
"traject_10-1.shp");
using (var reader = new PolylineShapeFileReader(shapeWithOneLine))
{
// Call
var line = (MapLineData)reader.ReadShapeFile();
// Assert
Assert.IsNotNull(line);
MapFeature[] features = line.Features.ToArray();
Assert.AreEqual(1, features.Length);
MapGeometry[] geometries = features[0].MapGeometries.ToArray();
Assert.AreEqual(1, geometries.Length);
IEnumerable <Point2D>[] pointCollections = geometries[0].PointCollections.ToArray();
Assert.AreEqual(1, pointCollections.Length);
Point2D[] firstPointCollection = pointCollections[0].ToArray();
Assert.AreEqual(1669, firstPointCollection.Length);
Assert.AreEqual(202714.219, firstPointCollection[457].X, 1e-6);
Assert.AreEqual(507775.781, firstPointCollection[457].Y, 1e-6);
Assert.AreEqual(6, features[0].MetaData.Count);
Assert.AreEqual("A", features[0].MetaData["CATEGORIE"]);
Assert.AreEqual("10", features[0].MetaData["DIJKRING"]);
Assert.AreEqual(19190.35000000, features[0].MetaData["LENGTE_TRJ"]);
Assert.AreEqual("1:1000", features[0].MetaData["Ondergrens"]);
Assert.AreEqual("1:3000", features[0].MetaData["Signalerin"]);
Assert.AreEqual("10-1", features[0].MetaData["TRAJECT_ID"]);
Assert.AreEqual("CATEGORIE", line.SelectedMetaDataAttribute);
}
}
public void ReadShapeFile_ShapeFileWithMultipleLineFeatures_ReturnShapes()
{
// Setup
string shapeWithMultipleLines = TestHelper.GetTestDataPath(TestDataPath.Core.Components.Gis.IO,
"Multiple_PolyLine_with_ID.shp");
using (var reader = new PolylineShapeFileReader(shapeWithMultipleLines))
{
// Precondition
Assert.AreEqual(4, reader.GetNumberOfFeatures());
// Call
var lines = (MapLineData)reader.ReadShapeFile();
// Assert
MapFeature[] features = lines.Features.ToArray();
Assert.AreEqual(4, features.Length);
Assert.AreEqual(1, lines.MetaData.Count());
Assert.AreEqual("id", lines.SelectedMetaDataAttribute);
#region Assertions for 'line1'
MapGeometry[] geometries1 = features[0].MapGeometries.ToArray();
Assert.AreEqual(1, geometries1.Length);
IEnumerable <Point2D>[] line1PointCollections = geometries1[0].PointCollections.ToArray();
Assert.AreEqual(1, line1PointCollections.Length);
Point2D[] line1FirstPointCollection = line1PointCollections[0].ToArray();
Assert.AreEqual(15, line1FirstPointCollection.Length);
Assert.AreEqual(-1.514151, line1FirstPointCollection[2].X, 1e-6);
Assert.AreEqual(-0.879717, line1FirstPointCollection[2].Y, 1e-6);
Assert.AreEqual(1, features[0].MetaData.Count);
Assert.AreEqual(4, features[0].MetaData["id"]);
#endregion
#region Assertions for 'line2'
MapGeometry[] geometries2 = features[1].MapGeometries.ToArray();
Assert.AreEqual(1, geometries2.Length);
IEnumerable <Point2D>[] line2PointCollections = geometries2[0].PointCollections.ToArray();
Assert.AreEqual(1, line2PointCollections.Length);
Point2D[] line2FirstPointCollection = line2PointCollections[0].ToArray();
Assert.AreEqual(6, line2FirstPointCollection.Length);
Assert.AreEqual(-2.028302, line2FirstPointCollection[3].X, 1e-6);
Assert.AreEqual(-0.382075, line2FirstPointCollection[3].Y, 1e-6);
Assert.AreEqual(1, features[1].MetaData.Count);
Assert.AreEqual(3, features[1].MetaData["id"]);
#endregion
#region Assertions for 'line3'
MapGeometry[] geometries3 = features[2].MapGeometries.ToArray();
Assert.AreEqual(1, geometries3.Length);
IEnumerable <Point2D>[] line3PointCollections = geometries3[0].PointCollections.ToArray();
Assert.AreEqual(1, line3PointCollections.Length);
Point2D[] line3FirstPointCollection = line3PointCollections[0].ToArray();
Assert.AreEqual(13, line3FirstPointCollection.Length);
Assert.AreEqual(0.891509, line3FirstPointCollection[12].X, 1e-6);
Assert.AreEqual(-0.122641, line3FirstPointCollection[12].Y, 1e-6);
Assert.AreEqual(1, features[2].MetaData.Count);
Assert.AreEqual(2, features[2].MetaData["id"]);
#endregion
#region Assertions for 'line4'
MapGeometry[] geometries4 = features[3].MapGeometries.ToArray();
Assert.AreEqual(1, geometries4.Length);
IEnumerable <Point2D>[] line4PointCollections = geometries4[0].PointCollections.ToArray();
Assert.AreEqual(1, line4PointCollections.Length);
Point2D[] line4FirstPointCollection = line4PointCollections[0].ToArray();
Assert.AreEqual(6, line4FirstPointCollection.Length);
Assert.AreEqual(-2.070754, line4FirstPointCollection[0].X, 1e-6);
Assert.AreEqual(0.73584906, line4FirstPointCollection[0].Y, 1e-6);
Assert.AreEqual(1, features[3].MetaData.Count);
Assert.AreEqual(1, features[3].MetaData["id"]);
#endregion
}
}
private ReadResult <FeatureBasedMapData> ReadFeatureBasedMapData()
{
try
{
string shapeFileName = Path.GetFileNameWithoutExtension(FilePath);
Shapefile featureSet = Shapefile.OpenFile(FilePath);
FeatureBasedMapData importedData;
switch (featureSet.FeatureType)
{
case FeatureType.Point:
case FeatureType.MultiPoint:
using (ShapeFileReaderBase reader = new PointShapeFileReader(FilePath))
{
importedData = reader.ReadShapeFile(shapeFileName);
}
break;
case FeatureType.Line:
using (ShapeFileReaderBase reader = new PolylineShapeFileReader(FilePath))
{
importedData = reader.ReadShapeFile(shapeFileName);
}
break;
case FeatureType.Polygon:
using (ShapeFileReaderBase reader = new PolygonShapeFileReader(FilePath))
{
importedData = reader.ReadShapeFile(shapeFileName);
}
break;
default:
throw new CriticalFileReadException(Resources.FeatureBasedMapDataImporter_Import_ShapeFile_Contains_Unsupported_Data);
}
return(new ReadResult <FeatureBasedMapData>(false)
{
Items = new[]
{
importedData
}
});
}
catch (ArgumentException)
{
return(HandleCriticalFileReadError(Resources.FeatureBasedMapDataImporter_Import_File_does_not_contain_geometries));
}
catch (FileNotFoundException)
{
return(HandleCriticalFileReadError(Resources.FeatureBasedMapDataImporter_Import_File_does_not_exist_or_misses_needed_files));
}
catch (IOException)
{
return(HandleCriticalFileReadError(Resources.FeatureBasedMapDataImporter_Import_An_error_occurred_when_trying_to_read_the_file));
}
catch (CriticalFileReadException e)
{
return(HandleCriticalFileReadError(e.Message));
}
catch (Exception)
{
// Because NullReferenceException or NotImplementedException when reading in a corrupt shape file
// from a third party library is expected, we catch all the exceptions here.
return(HandleCriticalFileReadError(Resources.FeatureBasedMapDataImporter_Import_An_error_occurred_when_trying_to_read_the_file));
}
}