[amibroker] Starting point for calculation in graph

[Peter & Louise <lamplowman@xxxxxxxxxxxx>]

I've written this graph


Plot (Close,"Close",1,64);

xyz = L + (ATR(14) * 2);
zxy = H - (ATR(14) * 2);
Plot (xyz,"myhigh",3,1);
Plot (zxy,"mylow",4,1);

def1 = Lowest(xyz);
Plot (def1,"def1",3,1);

def2 = Highest(zxy);
Plot (def2,"def2",4,1);


Which does exactly what I want it to do.

Now is there any way that I can get the "HIGHEST" and "LOWEST" command to 
start its calculation from the point on the graph forward, using the Left 
Mouse Button click on the graph.

Or any other means of not calculating the highest and lowest from the very 
beginning.

Peter 





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