Declare headers

[viettahg]

I don't want to insert these columns "turn_angle_x", "turn_angle_y", "turn_angle_z" in read_header.
Because lib knows all header columns
in.read_header(io::ignore_extra_column, "turn_angle_x", "turn_angle_y", "turn_angle_z");
→in.read_header() I just get which columns I want. Like that. in.read_row(turn_angle_x, turn_angle_y, turn_angle_z)`

How can I do that?

[ben-strasser]

I do not understand your question. Maybe set_header is what you are looking for.