/// <summary>
/// Creates a new DbfWriter
/// </summary>
/// <param name="filePath">The path to the new DBF file to be created. If filePath does not include the ".dbf" extension it will be added</param>
/// <param name="dataFields">A DbfFieldDesc aray describing the field of the DBF file</param>
public DbfWriter(String filePath, DbfFieldDesc[] dataFields)
{
if(dataFields==null || dataFields.Length==0) throw new ArgumentException("datafields can not be null or zero length");
this.fileName = filePath;
this.dataFields = dataFields;
setupStream();
writeHeader();
}
/// <summary>
/// Creates a ShapeFileWriter class
/// </summary>
/// <remarks>
/// <para>
/// To create a ShapeFileWriter to create a polygon shapefile pass in ShapeType.Polygon
/// </para>
/// <para>
/// To create a ShapeFileWriter to create a point shapefile pass in ShapeType.Point
/// </para>
/// <para>
/// To create a ShapeFileWriter to create a polyline shapefile pass in ShapeType.Polyline
/// </para>
/// </remarks>
/// <param name="baseDir">The path to the base directory where the shape file should be created</param>
/// <param name="shapeFileName">The name of the shapefile to create</param>
/// <param name="shapeFileType">The ShapeType of the shapefile</param>
/// <param name="dataFields">array of DbfFieldDesc objects describing the fields to be created in the shape file's DBF file</param>
/// <returns></returns>
public static ShapeFileWriter CreateWriter(string baseDir, string shapeFileName, ShapeType shapeFileType, DbfFieldDesc[] dataFields)
{
switch (shapeFileType)
{
case ShapeType.Polygon:
return new PolygonShapeFileWriter(baseDir, shapeFileName, dataFields);
case ShapeType.NullShape:
throw new ArgumentException("Can not create shapefile using NullShape ShapeType");
case ShapeType.Point:
return new PointShapeFileWriter(baseDir, shapeFileName, dataFields);
case ShapeType.PolyLine:
return new PolyLineShapeFileWriter(baseDir, shapeFileName, dataFields);
default:
throw new ArgumentException("Unknown ShapeType");
}
}
internal PolygonShapeFileWriter(String baseDir, String shapeFileName, DbfFieldDesc[] datafields):base(baseDir, shapeFileName, datafields)
{
this.ShapeType = ShapeType.Polygon;
WriteFileHeaders();
}
/// <summary>
/// ShapeFileWriter Constructor
/// </summary>
/// <remarks>Derived classes must call this constructor</remarks>
/// <param name="baseDir">The base directory where the 3 shapefile files will be created</param>
/// <param name="shapeFileName">The name of the shapefile. The shapefile will be generated at baseDir + shapeFileName + ".shx|.shp|.dbf|.cpg</param>
/// <param name="dataFields">DbfFieldDesc array describing the dbf fields of the shapefile</param>
protected ShapeFileWriter(string baseDir, string shapeFileName, DbfFieldDesc[] dataFields)
{
if(dataFields==null || dataFields.Length==0) throw new ArgumentException("dataFields can not be null or zero length");
this.BaseDirectory = baseDir;
this.FileName = shapeFileName;
this.dataFields = dataFields;
SetupFiles();
}
