Hi All,
Is there a way I can number the overlay plots? I want something similar to the pic attached below

Thanks
I am going to point you away from the Overlay Plot for a couple of reasons
- The Overlay Plot, and even more for the real old version of the Overlay Plot, that you are using has been depleted in value and will be going away sometime.
- Because of the Tree Structure of the output from the old Overlay Plot, trying to get a value to the left of the label is tricky.
Therefore I am pointing you to the Graph Builder, to a plot that looks just like your included graph. Here is how I am handling your repest:

Names Default To Here( 1 );
dt = Open( "$SAMPLE_DATA\semiconductor capability.jmp" );
gb = dt << Graph Builder(
Size( 534, 456 ),
Show Control Panel( 0 ),
Variables( X( :PNP3 ), Y( :NPN1 ), Y( :PNP1 ), Y( :NPN2 ), Y( :NPN2 ) ),
Elements( Position( 1, 1 ), Points( X, Y, Legend( 14 ) ) ),
Elements( Position( 1, 2 ), Points( X, Y, Legend( 16 ) ) ),
Elements( Position( 1, 3 ), Points( X, Y, Legend( 18 ) ) ),
Elements( Position( 1, 4 ), Points( X, Y, Legend( 20 ) ) )
);
(Report( gb ) << xpath( "//TextEditBox" )) << Rotate Text( "Horizontal" );
For( i = 1, i <= 4, i++,
Report( gb )[Text Edit Box( i + 3 )] << set text(
Char( i ) || " " || Char( Report( gb )[Text Edit Box( i + 3 )] << get text )
)
);
You did not specify if the solution required a script. Jim provided such a solution. I just want to remind you that you can interact with the axis label and edit the label directly.
How can I edit the axis label with the script?