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Sheesh,
You'd think I'd have this figured out, as many times as I've
used BarCount but...
BarIndex() doesn't appear to have any relation to
Barcount.
I have 5988 bars loaded and view 255 at a time, so
plot(BarIndex()) shows 5986 but plot(Barcount) shows 410?
Where does the 410 come from?
Description for BarCount in the AFL Reference Manual
is:
"BarCount constant gives the
number of bars in array (such as Close, High, Low, Open, Volume, etc). Array
elements are numbered from 0 (zero) to BarCount-1.
"
Doesn't the 'array' extend from the first bar to the last
bar?
<FONT
color=#0000ff>
The description for BarIndex() is:
"returns zero-based bar number - the same as
Cum(1)-1 but it is much faster than Cum(1) when used in
Indicators"
<FONT
color=#0000ff>
Here's where I derailed:
" LineArray( x0, y0, x1, y1, extend = 0
)
generates array equivalent to trend line
drawn from point x0, y0 to point x1, y1. x coordinates are
in bars (zero based)..."
So naturally, I tried:
y0=LastValue<FONT
size=2>(Trough<FONT
size=2>(L<FONT
size=2>,4<FONT
size=2>,2));
y1=LastValue<FONT
size=2>(Trough<FONT
size=2>(L<FONT
size=2>,4<FONT
size=2>,1));
x0=BarIndex<FONT
size=2>()-50<FONT
size=2>;
x1=BarIndex<FONT
size=2>()-10;
Line = LineArray<FONT
size=2>( x0, y0, x1, y1, 0
);
LineArray didn't like that.
Could someone please expand on the differences and
similarities of BarCount and BarIndex()?
How did BarCount arrive at
410?
Thanks,Corey Saxe
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