public void AddFeatureToIndex(FeatureDataRow <UInt32> feature)
{
UInt32 id = feature.Id;
if (ContainsKey(id))
{
throw new ShapeFileInvalidOperationException(
"Cannot add a feature with the same id to the index more than once.");
}
_header.Extents = _shapeFile.GeometryFactory.CreateExtents(
_header.Extents, feature.Geometry.Extents);
Int32 length = ShapeFileProvider.ComputeGeometryLengthInWords(feature.Geometry, ShapeFile.ShapeType);
Int32 offset = ComputeShapeFileSizeInWords();
IndexEntry entry = new IndexEntry(length, offset);
_shapeIndex[id] = entry;
}
