/// <summary>
/// Reads the field types from the OgrFeatureDefinition -> OgrFieldDefinition
/// </summary>
/// <param name="fdt">FeatureDatatTable</param>
/// <param name="oLayer">OgrLayer</param>
private void ReadColumnDefinition(FeatureDataTable fdt, OGR.Layer oLayer)
{
using (OGR.FeatureDefn _OgrFeatureDefn = oLayer.GetLayerDefn())
{
int iField;
for (iField = 0; iField < _OgrFeatureDefn.GetFieldCount(); iField++)
{
using (OGR.FieldDefn _OgrFldDef = _OgrFeatureDefn.GetFieldDefn(iField))
{
switch (_OgrFldDef.GetFieldType())
{
case 0:
fdt.Columns.Add(_OgrFldDef.GetName(), System.Type.GetType("System.Int32"));
break;
case 2:
fdt.Columns.Add(_OgrFldDef.GetName(), System.Type.GetType("System.Double"));
break;
case 4:
fdt.Columns.Add(_OgrFldDef.GetName(), System.Type.GetType("System.String"));
break;
case 6:
fdt.Columns.Add(_OgrFldDef.GetName(), System.Type.GetType("System.String"));
break;
}
}
}
}
}
/// <summary>
/// Loads a Ogr datasource with the specified layer
/// </summary>
/// <param name="Filename">datasource</param>
/// <param name="LayerName">name of layer</param>
public Ogr(string Filename, string LayerName)
{
this.Filename = Filename;
OGR.ogr.RegisterAll();
_OgrDataSource = OGR.ogr.Open(this.Filename, 1);
_OgrLayer = _OgrDataSource.GetLayerByName(LayerName);
}
/// <summary>
/// Loads a Ogr datasource with the specified layer
/// </summary>
/// <param name="Filename">datasource</param>
/// <param name="LayerName">name of layer</param>
public Ogr(string Filename, string LayerName)
{
this.Filename = Filename;
OGR.ogr.RegisterAll();
_OgrDataSource = OGR.ogr.Open(this.Filename, 1);
_OgrLayer = _OgrDataSource.GetLayerByName(LayerName);
}
/// <summary>
/// Loads a Ogr datasource with the specified layer
/// </summary>
/// <param name="Filename">datasource</param>
/// <param name="LayerNum">number of layer</param>
public Ogr(string Filename, int LayerNum)
{
this.Filename = Filename;
ogr.RegisterAll();
_OgrDataSource = OGR.ogr.Open(this.Filename, 0);
_OgrLayer = _OgrDataSource.GetLayerByIndex(LayerNum);
}
/// <summary>
/// Loads a Ogr datasource with the specified layer
/// </summary>
/// <param name="Filename">datasource</param>
/// <param name="LayerNum">number of layer</param>
public Ogr(string Filename, int LayerNum)
{
this.Filename = Filename;
ogr.RegisterAll();
_OgrDataSource = OGR.ogr.Open(this.Filename, 0);
_OgrLayer = _OgrDataSource.GetLayerByIndex(LayerNum);
}