[amibroker] Over riding values to plot

["mytakeismine" <mytakeismine@xxxxxxxxx>]

Hi all
I have this ribbon at the top of a chart, and for educational purposes 
could someone explain what the difference in controlling the height 
with the Plot( 15, (15 percent of the chart) OR varing the height by 
the 20 as in -605, 20)
I can contol the height either way, is one way better and why?

Thanks so much
mytake

Buy=Cross( C, MA(C,20 ) ); 
Sell= Cross( MA( C, 20 ), C ); 
Plot( 15, /* defines the height of the ribbon in percent of pane width 
*/
"Ribbon",
IIf( Buy, colorGreen, IIf(Sell, colorRed, 0 )), /* choose color */
styleOwnScale|styleArea|styleNoLabel, -605, 20);




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