Bruce, Something along these lines was planned already and will arrive at some point.
Best regards, Tomasz Janeczko amibroker.com ----- Original Message ----- From: "bruce1r" <[email protected]> To: <[email protected]> Sent: Monday, July 20, 2009 4:29 PM Subject: [amibroker] Re: Quick AFL in scans > Tomasz - > > This triggered something I've been meaning to mention. QuickAFL in AA > was a great enhancement for optimization, and watchlist AA functions. > It freed me from having to generate date truncated clones of tickers for > fast optimization. > > But it appears that there is a "chicken and egg" issue for single > tickers and AA functions. It first needs to execute once with all bars > for setup. That's OK for watchlist AA functions and all optimizations. > Where it can be problematic is for RT scans or explores running every N > seconds on a single ticker. > > What would be ideal is it it was detected that the same AFL was running > over the same Range and it used the previous QuickAFL setup. This would > allow quick repeated scans of RT data while maintaining long history. > > I'm making a wild guess that this is complicated by needing to detect > that the time period OR certain things in Settings haven't changed also. > But, if the changes aren't too bad, it might make a useful enhancement. > > -- Bruce > > P.S. Yes - I'll enter in the Feedback center unless you point out a bad > assumption. > > > --- In [email protected], "Tomasz Janeczko" <gro...@...> wrote: >> >> Hello, >> >> This article >> >> http://www.amibroker.com/kb/2008/07/03/quickafl/ >> >> explains: >> >> "In a similar manner, automatic analysis window can use subset of > available quotations to calculate AFL, if selected "range" parameter is > less than "All quotations". >> >> So, in short QuickAFL works so it calculates only part of the array > that is currently visible (indicator) or within selected range > (Automatic Analysis)." >> >> Best regards, >> Tomasz Janeczko >> amibroker.com >> ----- Original Message ----- >> From: "sidhartha70" sidharth...@... >> To: [email protected] >> Sent: Saturday, July 18, 2009 12:55 PM >> Subject: [amibroker] Quick AFL in scans >> >> >> > Something's that confusing me slightly about Quick AFL... >> > >> > When charting, I understand that SetBarsRequired(500,0) sets the > number of bars per array to the number of visible bars + 500... >> > >> > However, when using Quick AFL in a scan, where the symbol being > scanned may not even be visible on a chart, therefore there is no > concept of 'bars visible', how does SetBarsRequired(500,0) work...? >> > >> > Does it simply set the array sizes to 500 bars back...? >> > >> > TIA >> > >> > >> > >> > ------------------------------------ >> > >> > **** IMPORTANT PLEASE READ **** >> > This group is for the discussion between users only. >> > This is *NOT* technical support channel. >> > >> > TO GET TECHNICAL SUPPORT send an e-mail directly to >> > SUPPORT {at} amibroker.com >> > >> > TO SUBMIT SUGGESTIONS please use FEEDBACK CENTER at >> > http://www.amibroker.com/feedback/ >> > (submissions sent via other channels won't be considered) >> > >> > For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG: >> > http://www.amibroker.com/devlog/ >> > >> > Yahoo! Groups Links >> > >> > >> > >> > > > > > ------------------------------------ > > **** IMPORTANT PLEASE READ **** > This group is for the discussion between users only. > This is *NOT* technical support channel. > > TO GET TECHNICAL SUPPORT send an e-mail directly to > SUPPORT {at} amibroker.com > > TO SUBMIT SUGGESTIONS please use FEEDBACK CENTER at > http://www.amibroker.com/feedback/ > (submissions sent via other channels won't be considered) > > For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG: > http://www.amibroker.com/devlog/ > > Yahoo! Groups Links > > >
