/// <summary>
/// Gets the stub header.
/// </summary>
/// <param name="feature">The feature.</param>
/// <param name="count">The count.</param>
/// <returns></returns>
public static DbaseFileHeader GetHeader(IFeature feature, int count)
{
IAttributesTable attribs = feature.Attributes;
string[] names = attribs.GetNames();
DbaseFileHeader header = new DbaseFileHeader();
header.NumRecords = count;
foreach (string name in names)
{
Type type = attribs.GetType(name);
if (type == typeof(double) || type == typeof(float))
header.AddColumn(name, 'N', DoubleLength, DoubleDecimals);
else if (type == typeof(short) || type == typeof(ushort) ||
type == typeof(int) || type == typeof(uint) ||
type == typeof(long) || type == typeof(ulong))
header.AddColumn(name, 'N', IntLength, IntDecimals);
else if (type == typeof(string))
header.AddColumn(name, 'C', StringLength, StringDecimals);
else if (type == typeof(bool))
header.AddColumn(name, 'L', BoolLength, BoolDecimals);
else if (type == typeof(DateTime))
header.AddColumn(name, 'D', DateLength, DateDecimals);
else throw new ArgumentException("Type " + type.Name + " not supported");
}
return header;
}
/// <summary>
/// Method to write a dummy dbase file
/// </summary>
/// <param name="dbfWriter">The dbase file writer</param>
/// <param name="recordCount">The number of records</param>
public static void WriteDummyDbf(DbaseFileWriter dbfWriter, int recordCount)
{
// Create the dummy header
var dbfHeader = new DbaseFileHeader {
NumRecords = recordCount
};
// add some dummy column
dbfHeader.AddColumn("Description", 'C', 20, 0);
// Write the header
dbfWriter.Write(dbfHeader);
// Write the features
for (int i = 0; i < recordCount; i++)
{
var columnValues = new List <double> {
i
};
dbfWriter.Write(columnValues);
}
// End of file flag (0x1A)
dbfWriter.WriteEndOfDbf();
dbfWriter.Close();
}
public void ok_when_writing_shapefile_with_no_features()
{
DbaseFileHeader header = new DbaseFileHeader();
header.AddColumn("X", 'C', 10, 0);
ShapefileDataWriter writer = new ShapefileDataWriter(@"issue36") { Header = header };
IList<IFeature> features = new List<IFeature>();
writer.Write(features);
}
public static DbaseFileHeader GetHeader(DbaseFieldDescriptor[] dbFields, int count)
{
DbaseFileHeader header = new DbaseFileHeader();
header.NumRecords = count;
foreach (DbaseFieldDescriptor dbField in dbFields)
header.AddColumn(dbField.Name, dbField.DbaseType, dbField.Length, dbField.DecimalCount);
return header;
}
public void ok_when_writing_shapefile_with_no_features()
{
DbaseFileHeader header = new DbaseFileHeader();
header.AddColumn("X", 'C', 10, 0);
ShapefileDataWriter writer = new ShapefileDataWriter(@"issue36") { Header = header };
IList<IFeature> features = new List<IFeature>();
Assert.DoesNotThrow(() => writer.Write(features));
_numPassed++;
}
public void Setup()
{
ShapefileDataWriter sfdr = new ShapefileDataWriter("encoding_sample");
DbaseFileHeader h = new DbaseFileHeader();
h.AddColumn("id", 'n', 8, 0);
h.AddColumn("Test", 'C', 15, 0);
h.AddColumn("Ålder", 'N', 8, 0);
h.AddColumn("Ödestext", 'C', 255, 0);
h.NumRecords = 1;
sfdr.Header = h;
List<IFeature> feats = new List<IFeature>();
AttributesTable at = new AttributesTable();
at.AddAttribute("id", "0");
at.AddAttribute("Test", "Testar");
at.AddAttribute("Ålder", 10);
at.AddAttribute("Ödestext", "Lång text med åäö etc");
feats.Add(new Feature(new Point(0, 0), at));
sfdr.Write(feats);
}
/// <summary>
/// Gets the stub header.
/// </summary>
/// <param name="feature">The feature.</param>
/// <param name="count">The count.</param>
/// <returns></returns>
public static DbaseFileHeader GetHeader(IFeature feature, int count)
{
IAttributesTable attribs = feature.Attributes;
string[] names = attribs.GetNames();
DbaseFileHeader header = new DbaseFileHeader();
header.NumRecords = count;
foreach (string name in names)
{
Type type = attribs.GetType(name);
if (type == typeof(double) || type == typeof(float))
{
header.AddColumn(name, 'N', DoubleLength, DoubleDecimals);
}
else if (type == typeof(short) || type == typeof(ushort) ||
type == typeof(int) || type == typeof(uint) ||
type == typeof(long) || type == typeof(ulong))
{
header.AddColumn(name, 'N', IntLength, IntDecimals);
}
else if (type == typeof(string))
{
header.AddColumn(name, 'C', StringLength, StringDecimals);
}
else if (type == typeof(bool))
{
header.AddColumn(name, 'L', BoolLength, BoolDecimals);
}
else if (type == typeof(DateTime))
{
header.AddColumn(name, 'D', DateLength, DateDecimals);
}
else
{
throw new ArgumentException("Type " + type.Name + " not supported");
}
}
return(header);
}
public static DbaseFileHeader GetHeader(DbaseFieldDescriptor[] dbFields, int count)
{
DbaseFileHeader header = new DbaseFileHeader();
header.NumRecords = count;
foreach (DbaseFieldDescriptor dbField in dbFields)
{
header.AddColumn(dbField.Name, dbField.DbaseType, dbField.Length, dbField.DecimalCount);
}
return(header);
}
public void ok_when_writing_shapefile_with_features()
{
DbaseFileHeader header = new DbaseFileHeader();
header.AddColumn("X", 'C', 10, 0);
ShapefileDataWriter writer = new ShapefileDataWriter(@"issue36") { Header = header };
IAttributesTable attributesTable = new AttributesTable();
attributesTable.AddAttribute("X", "y");
IFeature feature = new Feature(new Point(1, 2), attributesTable);
IList<IFeature> features = new List<IFeature>();
features.Add(feature);
writer.Write(features);
}
/// <summary>
/// Write the enumeration of features to shapefile (shp, shx and dbf)
/// </summary>
/// <param name="filename">Filename to create</param>
/// <param name="features">Enumeration of features to write, features will be enumerated once</param>
/// <param name="fields">Fields that should be written, only those attributes specified here will be mapped from the feature attributetable while writing</param>
/// <param name="shapeGeometryType">Type of geometries shapefile</param>
/// <param name="dbfEncoding">Optional Encoding to be used when writing the DBF-file (default Windows-1252)</param>
public static void WriteFeatures(string filename, IEnumerable <IFeature> features, DbaseFieldDescriptor[] fields, ShapeGeometryType shapeGeometryType,
Encoding dbfEncoding = null)
{
// Set default encoding if not specified
if (dbfEncoding == null)
{
dbfEncoding = DbaseEncodingUtility.GetEncodingForCodePageIdentifier(1252);
}
// Open shapefile and dbase stream writers
using (var shpWriter = new ShapefileWriter(Path.ChangeExtension(filename, ".shp"), shapeGeometryType))
{
using (var dbfWriter = new DbaseFileWriter(Path.ChangeExtension(filename, ".dbf"), dbfEncoding))
{
var dbfHeader = new DbaseFileHeader(dbfEncoding);
foreach (var field in fields)
{
dbfHeader.AddColumn(field.Name, field.DbaseType, field.Length, field.DecimalCount);
}
dbfWriter.Write(dbfHeader);
int numFeatures = 0;
string[] fieldNames = Array.ConvertAll(fields, field => field.Name);
object[] values = new object[fieldNames.Length];
foreach (var feature in features)
{
shpWriter.Write(feature.Geometry);
for (int i = 0; i < fieldNames.Length; i++)
{
values[i] = feature.Attributes[fieldNames[i]];
}
dbfWriter.Write(values);
numFeatures++;
}
// set the number of records
dbfHeader.NumRecords = numFeatures;
// Update the header
dbfWriter.Write(dbfHeader);
// write the end of dbase file marker
dbfWriter.WriteEndOfDbf();
// close the dbase stream
dbfWriter.Close();
}
}
}
/// <summary>
///
/// </summary>
/// <param name="filename"></param>
/// <param name="recordCount"></param>
public static void WriteDummyDbf(string filename, int recordCount)
{
DbaseFileHeader dbfHeader = new DbaseFileHeader();
dbfHeader.NumRecords = recordCount;
dbfHeader.AddColumn("Description", 'C', 20, 0);
DbaseFileWriter dbfWriter = new DbaseFileWriter(filename);
dbfWriter.Write(dbfHeader);
for (int i = 0; i < recordCount; i++)
{
List <double> columnValues = new List <double>();
columnValues.Add((double)i);
dbfWriter.Write(columnValues);
}
// End of file flag (0x1A)
dbfWriter.Write(0x1A);
dbfWriter.Close();
}
/// <summary>
///
/// </summary>
/// <param name="filename"></param>
/// <param name="recordCount"></param>
public static void WriteDummyDbf(string filename, int recordCount)
{
filename = Path.ChangeExtension(filename, "dbf");
var dbfHeader = new DbaseFileHeader {
NumRecords = recordCount
};
dbfHeader.AddColumn("Description", 'C', 20, 0);
var dbfWriter = new DbaseFileWriter(filename);
dbfWriter.Write(dbfHeader);
for (var i = 0; i < recordCount; i++)
{
var columnValues = new List <double> {
i
};
dbfWriter.Write(columnValues);
}
// End of file flag (0x1A)
dbfWriter.Write(0x1A);
dbfWriter.Close();
}
/// <summary>
///
/// </summary>
/// <param name="filename"></param>
/// <param name="recordCount"></param>
public static void WriteDummyDbf(string filename, int recordCount)
{
filename = Path.ChangeExtension(filename, "dbf");
var dbfHeader = new DbaseFileHeader {NumRecords = recordCount};
dbfHeader.AddColumn("Description",'C', 20, 0);
var dbfWriter = new DbaseFileWriter(filename);
dbfWriter.Write(dbfHeader);
for (var i = 0; i < recordCount; i++)
{
var columnValues = new List<double> {i};
dbfWriter.Write(columnValues);
}
// End of file flag (0x1A)
dbfWriter.Write(0x1A);
dbfWriter.Close();
}
private void SaveGraphResult(IGeometry path)
{
if (path == null)
throw new ArgumentNullException("path");
const string shapepath = "graphresult";
if (File.Exists(shapepath + shp))
File.Delete(shapepath + shp);
Assert.IsFalse(File.Exists(shapepath + shp));
if (File.Exists(shapepath + shx))
File.Delete(shapepath + shx);
Assert.IsFalse(File.Exists(shapepath + shx));
if (File.Exists(shapepath + dbf))
File.Delete(shapepath + dbf);
Assert.IsFalse(File.Exists(shapepath + dbf));
const string field1 = "OBJECTID";
var feature = new Feature(path, new AttributesTable());
feature.Attributes.AddAttribute(field1, 0);
var header = new DbaseFileHeader {NumRecords = 1, NumFields = 1};
header.AddColumn(field1, 'N', 5, 0);
var writer = new ShapefileDataWriter(shapepath, factory) {Header = header};
writer.Write(new List<IFeature>(new[] {feature,}));
Assert.IsTrue(File.Exists(shapepath + shp));
Assert.IsTrue(File.Exists(shapepath + shx));
Assert.IsTrue(File.Exists(shapepath + dbf));
}
public static void WriteDummyDbf(DbaseFileWriter dbfWriter, int recordCount)
{
var dbfHeader = new DbaseFileHeader { NumRecords = recordCount };
dbfHeader.AddColumn("Description", 'C', 20, 0);
dbfWriter.Write(dbfHeader);
for (var i = 0; i < recordCount; i++)
{
var columnValues = new List<double> { i };
dbfWriter.Write(columnValues);
}
// End of file flag (0x1A)
dbfWriter.Write(0x1A);
dbfWriter.Close();
}
/// <summary>
/// Method to write a dummy dbase file
/// </summary>
/// <param name="dbfWriter">The dbase file writer</param>
/// <param name="recordCount">The number of records</param>
public static void WriteDummyDbf(DbaseFileWriter dbfWriter, int recordCount)
{
// Create the dummy header
var dbfHeader = new DbaseFileHeader {NumRecords = recordCount};
// add some dummy column
dbfHeader.AddColumn("Description", 'C', 20, 0);
// Write the header
dbfWriter.Write(dbfHeader);
// Write the features
for (var i = 0; i < recordCount; i++)
{
var columnValues = new List<double> {i};
dbfWriter.Write(columnValues);
}
// End of file flag (0x1A)
dbfWriter.WriteEndOfDbf();
dbfWriter.Close();
}
/// <summary>
/// Write the enumeration of features to shapefile (shp, shx and dbf)
/// </summary>
/// <param name="filename">Filename to create</param>
/// <param name="features">Enumeration of features to write, features will be enumerated once</param>
/// <param name="fields">Fields that should be written, only those attributes specified here will be mapped from the feature attributetable while writing</param>
/// <param name="shapeGeometryType">Type of geometries shapefile</param>
/// <param name="dbfEncoding">Optional Encoding to be used when writing the DBF-file (default Windows-1252)</param>
public static void WriteFeatures(string filename, IEnumerable<IFeature> features, DbaseFieldDescriptor[] fields, ShapeGeometryType shapeGeometryType,
Encoding dbfEncoding = null)
{
// Set default encoding if not specified
if (dbfEncoding == null)
dbfEncoding = Encoding.GetEncoding(1252);
// Open shapefile and dbase stream writers
using (var shpWriter = new ShapefileWriter(Path.ChangeExtension(filename, ".shp"), shapeGeometryType))
{
using (var dbfWriter = new DbaseFileWriter(Path.ChangeExtension(filename, ".dbf"), dbfEncoding))
{
var dbfHeader = new DbaseFileHeader(dbfEncoding);
foreach (var field in fields)
{
dbfHeader.AddColumn(field.Name, field.DbaseType, field.Length, field.DecimalCount);
}
dbfWriter.Write(dbfHeader);
var numFeatures = 0;
foreach (var feature in features)
{
shpWriter.Write(feature.Geometry);
var values = new object[fields.Length];
for (var i = 0; i < fields.Length; i++)
{
values[i] = feature.Attributes[fields[i].Name];
}
dbfWriter.Write(values);
numFeatures++;
}
// set the number of records
dbfHeader.NumRecords = numFeatures;
// Update the header
dbfWriter.Write(dbfHeader);
// write the end of dbase file marker
dbfWriter.WriteEndOfDbf();
// close the dbase stream
dbfWriter.Close();
}
}
}
