private void onSpatialReferenceChanged()
{
_geoFactory = _geoFactory.Clone();
_geoFactory.SpatialReference = SpatialReference;
foreach (ILayer layer in _layers)
{
if (!layer.SpatialReference.EqualParams(SpatialReference))
{
if (layer.CoordinateTransformation != null)
{
// TODO: do we ever need to support multiple transforms?
throw new InvalidOperationException("The layer already has a coordinate transform.");
}
layer.CoordinateTransformation
= CoordinateTransformFactory.CreateFromCoordinateSystems(layer.SpatialReference,
SpatialReference);
}
}
_extents = null;
raisePropertyChanged(SpatialReferenceProperty.Name);
}
protected SpatialDbProviderBase(IDbUtility dbUtility,
IGeometryFactory geometryFactory,
String connectionString,
String tableSchema,
String tableName,
String oidColumn,
String geometryColumn,
ICoordinateTransformationFactory coordinateTransformationFactory)
{
DbUtility = dbUtility;
GeometryFactory = geometryFactory.Clone();
OriginalSpatialReference = GeometryFactory.SpatialReference;
OriginalSrid = GeometryFactory.Srid;
if (geometryFactory.SpatialReference != null)
{
_geometryFactorySridInt = SridMap.DefaultInstance.Process(geometryFactory.SpatialReference, (int?)null);
}
if (!String.IsNullOrEmpty(connectionString))
{
ConnectionString = connectionString;
}
if (!String.IsNullOrEmpty(tableSchema))
{
TableSchema = tableSchema;
}
if (!String.IsNullOrEmpty(oidColumn))
{
OidColumn = oidColumn;
}
if (!String.IsNullOrEmpty(geometryColumn))
{
GeometryColumn = geometryColumn;
}
if (!String.IsNullOrEmpty(tableName))
{
Table = tableName;
}
CoordinateTransformationFactory = coordinateTransformationFactory;
ICoordinateSystem cs;
string srid;
ReadSpatialReference(out cs, out srid);
OriginalSpatialReference = cs;
OriginalSrid = srid;
GeometryFactory.SpatialReference = SpatialReference;
GeometryFactory.Srid = Srid;
}
