They are circular... and as far as I can see, entirely unnecessary.
--- In [email protected], Yuki Taga <yukit...@...> wrote:
>
> Hi Rick,
>
> Hey that works for me! Thanks. Can you explain for a non programmer
> what the StrToNum and then NumToStr functions are actually doing in
> this case? It seems circular to me (convert a string to a number and
> then back to a string), so I don't understand what is being
> accomplished, or why this is necessary.
>
> Yuki
>
> Sunday, June 13, 2010, 5:52:21 AM, you wrote:
>
> RO> Yuki
>
> RO> I have the following code which changes the background gradient
> RO> color depending on whether a buy or sell signal is given.
>
> RO> if(StrToNum(NumToStr(BuySignal)))
> RO> bgColor = ColorRGB(0,66, 2);
> RO> else
> RO> bgColor = ColorRGB(66,2, 0);
> RO> SetChartBkGradientFill( colorBlack, bgColor);
>
> RO>
> RO> Perhaps you can change this to meet your needs
>
> RO> Best Regards
> RO> Rick Osborn
>
>
>
>
> RO> ________________________________
> RO> From: Yuki Taga <yukit...@...>
> RO> To: [email protected]
> RO> Sent: Sat, June 12, 2010 1:24:58 AM
> RO> Subject: [amibroker] impenetrable AFL
>
> RO>
> RO> Impenetrable! (At least to me.)
>
> RO> xcolor = IIf(TSI >= SigLine, SetChartBkGradientFill(
> RO> ParamColor("BgTop", ColorRGB( 172,172,172 )),
> RO> ParamColor("BgBottom", ColorRGB( 172,172,172 ))),
> RO> SetChartBkGradientFill( ParamColor("BgTop", ColorRGB(140,140,140)),
> RO> ParamColor("BgBottom", ColorRGB(140,140,140))));
>
> RO> SetChartBkColor(SelectedValue(xcolor));
>
> RO> I tried that line above as
> RO> SetChartBkGradientFill(SelectedValue(xcolor)); but that produced a
> RO> syntax error.
>
> RO> I think you can see what I'm trying to do here. The idea is simple:
> RO> change the background gradient depending on a true/false result. The
> RO> gradients in this example are not the gradients I would actually use
> RO> (in fact they are not gradients at all, as your intelligent eyes will
> RO> quickly have seen). They are just test code to see if I can even
> RO> make it work. I cannot.
>
> RO> For one thing, the gradient does not change no matter the selected
> RO> value. It's static. For another thing, the margin background goes
> RO> to black, a hideous (although somewhat foreseen) result.
>
> RO> Okay, what am I doing wrong, and where did I miss this in the docs?
> RO> And what, if anything, can I do about this margin result? The only
> RO> way I can change the *entire* background color is by not using a
> RO> gradient??? (Using SetChartBkColor) How sad that would be! I can
> RO> make that work, at least. But not with a gradient.
>
> RO> Anything is possible in Amibroker, right?
>
> RO> Wrong?
>
> RO> Thanks,
>
> RO> Yuki
>
>
> RO>
>
