Hi Andre,
I don't know about in ALF, but in AFL <vbg> it's certainly possible
and easy. I'm assuming you want the entire chart to have a different color
when the condition is true and another color when false, rather than just the
indicator changing color. So you can try the following:
XX = C; // substitute your value here
Indicator1 = MA(c, 5);
Indicator2 = MA(c, 20);
Indicator3 = MA(c, 50);
Indicator1_Color = colorblue;
Indicator2_Color = colorred;
Indicator3_Color = colorplum;
plot(c, "CLOSE", colorblack, stylecandle);
Plot(Indicator1, "Indicator 1", Indicator1_color, styleline );
Plot(Indicator2, "Indicator 2", Indicator2_color, styleline );
Plot(Indicator3, "Indicator 3", Indicator3_color, styleline );
Background1_color = colortan;
Background2_color = colorrose;
Cond1 = indicator3 > XX;
cond2 = indicator3 < XX;
Plot(100, "Close vs Indicator 3",
iif(cond1, colortan,
iif(cond2, colorrose,
colordefault )),
styleownscale|stylearea|stylenolabel|stylenotitle, 0 , 100, 0, -5);
I wrote the above on the fly (didn't write it within the formula
editor), however it should work fine unless there is a word-wrap issue. Let me
know if this is what you want. For demonstration purposes I simply made
the indicators to be moving averages with some default periods and the value the
close of the instrument. Substitute your own value for XX and indicators
for the MAs. Similarly you may pick your own colors to suit you. Didn't bother
to parameterize anything as I don't know what you are really doing or what you
are trading.
Peace and Justice --- Patrick
----- Original Message -----
Sent: Wednesday, February 03, 2010 9:27
PM
Subject: [amibroker] Help Needed with
formula
Hi Guys,
I need to know if the following is possible in
ALF.
I have 3 indicators and a price chart on my screen. When the
bottom indicator drops below a specified value, I would like to highlight in
colour this area, however, the colour must extend through the other two
indicators and over the price chart.
Does anyone have a clue how to do
this?
cheers
Andre
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