matrix choplocal(string filename, int|stringchannel, float|intsample)
Read a sample from the local transform channel at the given index.
The CHOP node path to query using the op: syntax. Doesn’t support reading directly from CHOP files yet.
The channel index or channel name to query.
If this is fractional, the value is linearly interpolated from the two nearest points.
The value of a channel at the specified sample in a CHOP node.