Savers

`init_vol_csv(output_prefix)` ¶

Append frame indices and volumes to a CSV file.

PARAMETER	DESCRIPTION
`results_vol` ¶	A list of tuples, each containing (frame_idx, volume). TYPE: `list[tuple[int, float]]`
`output_prefix` ¶	Path to the directory where the CSV file will be saved. TYPE: `str`