All the information provided in the BPF and BPC Editor section also apply to BPF-lib and BPC-lib editors.
All editing operations can be performed upon one curve only. Edition procedures are similar to those used in BPF or BPC editors.
To switch from a curve to another, press the
To show or hide background curves, select or unselect the
To add a curve in a BPF-lib editor :
If previous curve hasn't been edited, the new curve is superimposed to it at the foreground. To visualize the new curve, select the curve tool and move the line.
Contrary to BPFs, which initially come with two default points, BPCs come empty.
To add a first BPC :
Select the pointer and
Cmd click twice in the editor to create a curve. Two points at least must be added in the editor to make a new BPC visible.
To add other BPCs :
Cmd click outside the line to create a new empty curve. The previous ones go to the background.
Cmd click twice in the editor to add points to the curve.