private enumCoordinateType GetCoordinateType(SpatialFeatureClass spatialFeatureClass, out ISpatialReference spref)
{
spref = null;
try
{
ISpatialReference rf = SpatialReferenceFactory.GetSpatialReferenceByPrjFile(spatialFeatureClass.SpatialRef) as ISpatialReference;
spref = rf;
if (rf == null)
{
goto ensureByEnvelopeLine;
}
if (rf.ProjectionCoordSystem == null)
{
return(enumCoordinateType.Geographic);
}
else
{
return(enumCoordinateType.Projection);
}
}
catch
{
goto ensureByEnvelopeLine;
}
ensureByEnvelopeLine:
return(spatialFeatureClass.Envelope.IsGeoRange() ? enumCoordinateType.Geographic : enumCoordinateType.Projection);
}
public FetClassIdentify[] GetFetClassIdentify()
{
using (CatalogEntityClassFeatureClass c = new CatalogEntityClassFeatureClass(_connectionString))
{
SpatialFeatureClass temp = new SpatialFeatureClass();
return(GetFetClassIdentify(c.Query("length(datasetid)=0")));
}
}
private void DisplayFeatureClass(CatalogFeatureClass catalogFeatureClass)
{
SpatialFeatureClass fetclass = catalogFeatureClass.Tag as SpatialFeatureClass;
FeatureDataSourceBase ds = new SpatialDbDataSource(fetclass.Name, fetclass.ConnString + "@" + fetclass.DataTable);
FeatureClass fetc = new FeatureClass(ds);
IFeatureLayer lyr = new FeatureLayer(fetclass.Name, fetc);
IMap map = new Map(new IFeatureLayer[] { lyr });
mapControl1.Apply(map);
mapControl1.ReRender();
}
private string[] GetFieldsBySpatialFetClass(SpatialFeatureClass spatialFeatureClass)
{
using (IDbConnection dbConn = DbConnectionFactory.CreateDbConnection(_connectionString))
{
dbConn.Open();
DiffDbAdapter _adapter = DiffDbAdapterFactory.GetDiffDbAdapter(dbConn);
string shapeField = null;
string oidfield = null;
Dictionary <string, Type> fields = _adapter.GetFieldsOfTable(dbConn, spatialFeatureClass.DataTable, out shapeField, out oidfield);
return(fields.Keys.ToArray());
}
}
private FetClassProperty SpatialFeatureClassToProperty(SpatialFeatureClass spatialFeatureClass)
{
FetClassProperty p = new FetClassProperty();
ISpatialReference spref = null;
p.CoordinateType = GetCoordinateType(spatialFeatureClass, out spref);
p.Fields = GetFieldsBySpatialFetClass(spatialFeatureClass);
p.FullEnvelope = spatialFeatureClass.Envelope;
p.Name = spatialFeatureClass.Name;
p.ShapeType = spatialFeatureClass.ShapeType;
p.SpatialReference = spref;
p.FeatureCount = spatialFeatureClass.FeatureCount;
return(p);
}
