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Thank Terry !!
----- Original Message ----
From: Terry <MagicTH@xxxxxxxxxxx>
To: amibroker@xxxxxxxxxxxxxxx
Sent: Sunday, January 7, 2007 9:21:33 PM
Subject: RE: [amibroker] HowTo - Paint 'Band' or Ribbon on bottom of chart, and othe plotting questions.
I have time for your first question:
Plot(IIf(array > 0,array,Null) ,color...
Actually your 2nd question is easy too:
array2 == True or False;
Plot(array2, "array2", colorWhatever, styleArea | styleOwnScale, 0, 10);
//The above makes a band 10% of your screen height.
//To make is 1/20th of your screen use 0,20
Alternative for arrays such as an oscillator that may be + or -
Plot(1,"array3" ,IIf(array3 > 0,colorGreen, colorRed) ,styleArea |
styleOwnScale, 0, 10);
Variations come go from there. To do several bands, you can vary the last
two parameters, such as -2,8. You will have to "play" with the values to get
them all in the right place.
If you search the archives a couple of months (or more) back for heat map
you will find some code that does this.
--
Terry
-----Original Message-----
From: amibroker@xxxxxxxxx ps.com [mailto:amibroker@xxxxxxxxx ps.com] On Behalf
Of wes_zoltran2
Sent: Sunday, January 07, 2007 19:00
To: amibroker@xxxxxxxxx ps.com
Subject: [amibroker] HowTo - Paint 'Band' or Ribbon on bottom of chart, and
othe plotting questions.
Hello
Struggling with some plotting questions, and hoping the group can help
me out.
1) .. how to plot 'nothing'. Or maybe better phrased... I want the
background color and existing plots to show 'thru' when the array has
a 0 or null in it.
Using something like Plot(array," ",IIf(array= 1,colorBlack, colorWhite) ..
sort of does it, but what I really want is 'colortransparent' for the
false case. Can this be done?
2) How would would one program a narrow 'paint band' across the
bottom/top of a chart similar to what the folks at PatternExplorers do
? See the bottom of the price chart at
http://www.patterne xplorer.com/ price-chart. html for an example.
I have a need for several of these 'status bands'.
I've tried various combinations of styleownscale, and styleleftaxis,
but don't really like what I've got so far.
3) Along the same lines ..
What is the best way to change the color of a chart background for
just a certain time/date range .. for example .. how would I color the
background to show price> ema(C,21) for example.
I kind of have this working now, using styleownscale, and the scale of
0 to 1. but it overwrites the chart grid lines, which is not what I want.
thanks in advance !
Wes
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