public FeatureClass(FeatureDataSourceBase dataSource)
{
_gridDefinition = new GridDefinition();
_limiter = new MemoryGridLimiter();
_dataSource = dataSource;
_spatialReference = _dataSource.GetSpatialReference();
InitConstructor();
}
public FeatureClass(string filename)
{
_gridDefinition = new GridDefinition();
_limiter = new MemoryGridLimiter();
_dataSource = new FileDataSource(Path.GetFileNameWithoutExtension(filename), filename);
_spatialReference = _dataSource.GetSpatialReference();
InitConstructor();
}
public FeatureClass(GridDefinition gridDef, MemoryGridLimiter limiter, FeatureDataSourceBase dataSource)
{
if (gridDef != null)
{
_gridDefinition = gridDef;
}
if (limiter != null)
{
_limiter = limiter;
}
if (dataSource == null)
{
throw new ArgumentNullException("构造VectorFeatureClass对象,\"DataSource\"不能为空。");
}
_dataSource = dataSource;
_dataSource.SetFeatureClass(this);
_spatialReference = _dataSource.GetSpatialReference();
InitConstructor();
}