public static void ReportFeature(Feature feat, FeatureDefn def)
{
Console.WriteLine( "Feature(" + def.GetName() + "): " + feat.GetFID() );
for( int iField = 0; iField < feat.GetFieldCount(); iField++ )
{
FieldDefn fdef = def.GetFieldDefn( iField );
Console.Write( fdef.GetNameRef() + " (" +
fdef.GetFieldTypeName(fdef.GetFieldType()) + ") = ");
if( feat.IsFieldSet( iField ) )
Console.WriteLine( feat.GetFieldAsString( iField ) );
else
Console.WriteLine( "(null)" );
}
if( feat.GetStyleString() != null )
Console.WriteLine( " Style = " + feat.GetStyleString() );
Geometry geom = feat.GetGeometryRef();
if( geom != null )
Console.WriteLine( " " + geom.GetGeometryName() +
"(" + geom.GetGeometryType() + ")" );
Envelope env = new Envelope();
geom.GetEnvelope(env);
Console.WriteLine( " ENVELOPE: " + env.MinX + "," + env.MaxX + "," +
env.MinY + "," + env.MaxY);
string geom_wkt;
geom.ExportToWkt(out geom_wkt);
Console.WriteLine( " " + geom_wkt );
Console.WriteLine( "" );
}
/* public virtual FeatureDataSet ExecuteQuery(string query)
{
return ExecuteQuery(query, null);
}*/
/*
public virtual FeatureDataSet ExecuteQuery(string query, Geometry filter)
{
try
{
var featureDataSet = new FeatureDataSet();
featureDataTable.Clear();
using (Layer ogrLayer = ogrDataSource.ExecuteSQL(query, filter, ""))
{
ogrLayer.ResetReading();
int featureCount = ogrLayer.GetFeatureCount(1);
for (int i = 0; i < featureCount;i++ )
{
using (var ogrFeature = ogrLayer.GetNextFeature())
{
FeatureDataRow feature = featureDataTable.NewRow();
feature.Id = ogrFeature.GetFID();
SetFeatureValuesInRow(featureDataTable, ogrFeature, feature);
using (var geometry = ogrFeature.GetGeometryRef())
{
feature.Geometry = ParseOgrGeometry(geometry);
}
featureDataTable.AddRow(feature);
ogrFeature.Dispose();//release memory, do not wait for gc to do this!
}
}
featureDataSet.Tables.Add(featureDataTable);
ogrDataSource.ReleaseResultSet(ogrLayer);
return featureDataSet;
}
}
catch (Exception exception)
{
log.Error("Error while reading features", exception);
return new FeatureDataSet();
}
}
*/
private static void SetFeatureValuesInRow(FeatureDataTable featureDataTable, Feature ogrFeature,
FeatureDataRow feature)
{
for (int iField = 0; iField < ogrFeature.GetFieldCount(); iField++)
{
if (featureDataTable.Columns[iField].DataType == Type.GetType("System.String"))
{
feature[iField] = ogrFeature.GetFieldAsString(iField);
}
else if (featureDataTable.Columns[iField].DataType == Type.GetType("System.Int32"))
{
feature[iField] = ogrFeature.GetFieldAsInteger(iField);
}
else if (featureDataTable.Columns[iField].DataType == Type.GetType("System.Double"))
{
feature[iField] = ogrFeature.GetFieldAsDouble(iField);
}
else if (featureDataTable.Columns[iField].DataType == Type.GetType("System.DateTime"))
{
int year;
int month;
int day;
int hour;
int minute;
int second;
int TZflag;
ogrFeature.GetFieldAsDateTime(iField, out year, out month, out day, out hour, out minute, out second,
out TZflag);
if (year == 0 || month == 0 || day == 0)
{
feature[iField] = DBNull.Value;
}
else
{
feature[iField] = new DateTime(year, month, day, hour, minute, second);
}
}
else
{
feature[iField] = ogrFeature.GetFieldAsString(iField);
}
}
}
public static void ReportFeature(Feature feat, FeatureDefn def)
{
Console.WriteLine( "Feature(" + def.GetName() + "): " + feat.GetFID() );
for( int iField = 0; iField < feat.GetFieldCount(); iField++ )
{
FieldDefn fdef = def.GetFieldDefn( iField );
Console.Write( fdef.GetNameRef() + " (" +
fdef.GetFieldTypeName(fdef.GetFieldType()) + ") = ");
if( feat.IsFieldSet( iField ) )
{
if (fdef.GetFieldType() == FieldType.OFTStringList)
{
string[] sList = feat.GetFieldAsStringList(iField);
foreach (string s in sList)
{
Console.Write("\"" + s + "\" ");
}
Console.WriteLine();
}
else if (fdef.GetFieldType() == FieldType.OFTIntegerList)
{
int count;
int[] iList = feat.GetFieldAsIntegerList(iField, out count);
for (int i = 0; i < count; i++)
{
Console.Write(iList[i] + " ");
}
Console.WriteLine();
}
else if (fdef.GetFieldType() == FieldType.OFTRealList)
{
int count;
double[] iList = feat.GetFieldAsDoubleList(iField, out count);
for (int i = 0; i < count; i++)
{
Console.Write(iList[i].ToString() + " ");
}
Console.WriteLine();
}
else
Console.WriteLine(feat.GetFieldAsString(iField));
}
else
Console.WriteLine( "(null)" );
}
if( feat.GetStyleString() != null )
Console.WriteLine( " Style = " + feat.GetStyleString() );
Geometry geom = feat.GetGeometryRef();
if( geom != null )
{
Console.WriteLine( " " + geom.GetGeometryName() +
"(" + geom.GetGeometryType() + ")" );
Geometry sub_geom;
for (int i = 0; i < geom.GetGeometryCount(); i++)
{
sub_geom = geom.GetGeometryRef(i);
if ( sub_geom != null )
{
Console.WriteLine( " subgeom" + i + ": " + sub_geom.GetGeometryName() +
"(" + sub_geom.GetGeometryType() + ")" );
}
}
Envelope env = new Envelope();
geom.GetEnvelope(env);
Console.WriteLine(" ENVELOPE: " + env.MinX + "," + env.MaxX + "," +
env.MinY + "," + env.MaxY);
string geom_wkt;
geom.ExportToWkt(out geom_wkt);
Console.WriteLine(" " + geom_wkt);
}
Console.WriteLine( "" );
}