get_element_index_by_position¶

get_element_index_by_position(sequence_name, position)¶

Return index of element at specified position in the original sequence.

Parameters:

sequence_name (str) – sequence name
position (float) – position (S coordinate)

Return type:

Returns:

the index of an element at that position, -1 if not found

Raises:

ValueError – if the sequence or element name is invalid