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Hello,
This does exactly what you are after (per-bar coloring of background based on condition):
Plot( Close, "Price", colorBlack, styleCandle );
BkCOlor = IIF( MACD() > Signal(), colorGreen, colorRed );
Plot( 1, "", BkColor, styleArea | styleOwnScale | styleNoLabel, 0, 1 );
Best regards,
Tomasz Janeczko
amibroker.com
----- Original Message -----
From: "c_r_south" <colin_south@xxxxxxx>
To: <amibroker@xxxxxxxxxxxxxxx>
Sent: Tuesday, October 09, 2007 11:51 PM
Subject: [amibroker] Re: Migration to Amibroker from Wealth-lab
>I stand corrected, and thanks for pointing out LineArray.
>
> In WLB I can use different colours as an indicator e.g. be prepared to buy/
> sell might be changing the background from pale green to pale pink, derived from a
> combination of indicators and hence reduce the number of plots I have to see. The
> function call is SetBackgroundColor(bar,someColourCode). I'll look at your example below
> to see whether I can reproduce something akin to what is available in WLB.
> Kind regards,
> Colin
>
> --- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" <groups@xxx> wrote:
>>
>> > Not being able to draw lines (i.e. anything other than horizontal) a la WLab,
>> What are you taking about??????????????????????????
>>
>> You can draw lines, circles, polygons EVERYTHING ! http://www.amibroker.com/guide/
> a_lowlevelgfx.html
>>
>> As for line drawing:
>> http://www.amibroker.com/f?gfxlineto (Y-value pixel based)
>> http://www.amibroker.com/f?linearray (Y-value price based)
>>
>> > and I miss being able to alter the the background colour on a per bar basis.
>> Again what ???????????????????????????
>>
>> Here it is - every bar color change in - actually 24 bit palette every bar different color !
>>
>> Plot( Close, "Price", colorBlack, styleCandle );
>> BkCOlor = ColorRGB( BarIndex() % 255, BarIndex()/255 % 255, 255 - BarIndex() % 255 );
>> Plot( 1, "", BkColor, styleArea | styleOwnScale | styleNoLabel, 0, 1 )
>>
>> (This is one of many possible ways, the other way is using low-level gfx).
>>
>> I suggest you first read the User's Guide, it will open your eyes !
>>
>> Best regards,
>> Tomasz Janeczko
>> amibroker.com
>> ----- Original Message -----
>> From: "c_r_south" <colin_south@xxx>
>> To: <amibroker@xxxxxxxxxxxxxxx>
>> Sent: Tuesday, October 09, 2007 3:19 PM
>> Subject: [amibroker] Re: Migration to Amibroker from Wealth-lab
>>
>>
>> > You may, as I did, find it quite a long learning curve. You will miss some facilities, like
> the
>> > interactive debugger, and being able to plot to a separate pane from within the main
>> > program, although, once you get used to using WriteVal and styleOwnScale in the Plot
>> > function, you can come quite close to WLab's debugging capability. You will need to
>> > develop a slightly different mindset, with the predominence on solving using vector
>> > aritmetic, it really is just a mind set thing. Not being able to draw lines (i.e. anything
> other
>> > than horizontal) a la WLab, will come as a bit of a shock, and I miss being able to alter
> the
>> > the background colour on a per bar basis. I'm currently struggling with multiple
> trades,
>> > and integrated brokerage (with IB), but will persevere and there are other guys in the
> AB
>> > formum who are very helpful.
>> >
>> > The advantages of AB are well worth the effort, the speed of execution, the ability to
> move
>> > between layouts (compared with WLabs worksheets, which I find painfully slow) and
> the
>> > continuous stream of improvements are just a few.
>> >
>> > To echo a previous response, my biggest leap forward was following Howard Bandy's
>> > book, which, apart from a simple lead in to programming in AB, has a wealth of useful
>> > information.
>> >
>> > I keep WLB, but it has become a background tool, and have now found that I prefer to
> use
>> > AB, and am prepared to spend that extra time to gain the advantages.
>> >
>> > Hope this helps,
>> > Colin
>> >
>> >
>> > --- In amibroker@xxxxxxxxxxxxxxx, "neil_cs_um" <neil_cs_um@> wrote:
>> >>
>> >> I have been a long time user of Wealth-lab. I am planning to move to
>> >> Amibroker. I was wondering if somebody can share his experiences.
>> >>
>> >> I have got around 30-40 wealthlab chartscripts which I need to
>> >> translate into AFL. So far, it looks it should not be difficult, and
>> >> AFL seems to have all the features and the functions of Wealthscript.
>> >> Is it straight-forward or am I going to be in some trouble? Is there a
>> >> tool for conversion ?
>> >>
>> >> I also have one EOD and one realtime data adapter and a COM add-in.
>> >> All written in C#. Is it possible to use them in amibroker ?
>> >>
>> >> Can I execute scripts in Amibroker from other applications through COM ?
>> >>
>> >
>> >
>> >
>> > Please note that this group is for discussion between users only.
>> >
>> > To get support from AmiBroker please send an e-mail directly to
>> > SUPPORT {at} amibroker.com
>> >
>> > For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
>> > http://www.amibroker.com/devlog/
>> >
>> > For other support material please check also:
>> > http://www.amibroker.com/support.html
>> >
>> > Yahoo! Groups Links
>> >
>> >
>> >
>> >
>> >
>>
>
>
>
> Please note that this group is for discussion between users only.
>
> To get support from AmiBroker please send an e-mail directly to
> SUPPORT {at} amibroker.com
>
> For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
> http://www.amibroker.com/devlog/
>
> For other support material please check also:
> http://www.amibroker.com/support.html
>
> Yahoo! Groups Links
>
>
>
>
>
Please note that this group is for discussion between users only.
To get support from AmiBroker please send an e-mail directly to
SUPPORT {at} amibroker.com
For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
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For other support material please check also:
http://www.amibroker.com/support.html
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