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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.
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