[amibroker] Seasonal Charts

["rwrayr" <rwrayr@xxxxxxxxx>]

I am wanting to code a seasonal chart where I can over lay three over 
four months on one chart from sequential years.  Say September 1st of 
the last 3 years all starting at the same location on one chart.  (I am 
looking at plotting bar ranges from one array.)  Any suggestions or 
examples would be appreciated...

I have used the following and it seems close...

DaysPerYear = 252;

CurrentYear = C;
LastYear = Ref(C,-dayperyear);
2YearsBack = Ref(C,-dayperyear*2);
3YearsBack = Ref(C,-dayperyear*3);

My problem is I want to trim the beginning day of the chart to start on 
the same day of the year. Been looking and I just have not found a 
simple solution so I ask for help.

Randall



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