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Hello,
No. Plugins do send updates if certain market is closed because
a) if you open AmiBroker on sunday, you still want to see most recent quote, without waiting till Monday.
b) plugins not only send updates on quotes but also on some other info that is not related to market activity
c) there can be corrections sent later
d) other markets may be open
e) the bacfill may be in progress, etc.
For the reasons above, most plugins sent "general update" every second. It does not however
mean that your chart will refresh at that frequency. That depends on settings, I mentioned in my previous reply.
Generally you should NOT really make ANY assumptions as to when charts will refresh as it can happen
literally anytime, with chart zoom, resize, scroll, change ticker, interpretation display, data window diplay,
commentary, forced programmatic refresh, etc.
As to using AB list to get answers for such questions about "internals": the only authoriative source of information is
tech support. People on the list may or may not have right answer, simply because they did not write the program.
So, why not use the simplest way: ask support ?
Best regards,
Tomasz Janeczko
amibroker.com
----- Original Message -----
From: "Conrad Joach" <consolejoker@xxxxxxxxx>
To: <amibroker@xxxxxxxxxxxxxxx>
Sent: Friday, March 27, 2009 1:47 PM
Subject: [amibroker] Re: I'm having a very hard time doing something that I think should be simple
> I'll be more than happy to submit this to support. In response to all the suggestions here, I greatly appreciate the effort to
> solve this. That said this is the AB discussion list, I don't have any problem posting this here, that is where the largest body
> of people are. I see tons of emails a day from this list that don't interest me. I just skip them. That's part of being on a
> discussion list I guess.
>
> I believe I did identify the problem last night and mentioned it in several of my posts. The problem is the IQFeed plugin, which
> even when the network is disconnected, is causing these updates. MSFT is not pricing at that time of night at all, there are no
> ticks coming in, and the network is disabled. As soon as I disable the IQFeed plugin, the updates stop.
>
> The IQFeed plugin should not be causing refreshes on charts when nothing is even crossing the wire. It's really that simple. So
> the question will be how can we get the plugin to cease from causing updates in charts that have tickers which are not even
> pricing. That is the ultimate question here.
>
> Thx.
>
> --- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" <groups@xxx> wrote:
>>
>> > test215723 Formulas\Drag-drop\DebugPlot 4.afl 4 20 21:57:23.89
>> >> > > > test215724 Formulas\Drag-drop\DebugPlot 4.afl 4 20 21:57:24.89
>> >> > > > test215725 Formulas\Drag-drop\DebugPlot 4.afl 4 20 21:57:25.89
>> >> > > > test215726 Formulas\Drag-drop\DebugPlot 4.afl 4 20 21:57:26.89
>>
>> First of all:
>> The above is NOT 3 times per second, but only ONCE per second.
>>
>> Second thing:
>> The refresh interval is CUSTOMIZABLE in
>> Tools->Preferences->Intraday
>>
>> You can have it set to 60 seconds if you wish.
>>
>> Third thing:
>> There is a method to request refresh programmatically
>> using RequestTimedRefresh that would happen "on top" of
>> any interval refreshed mentioned above
>>
>> Forth thing:
>> AFL array operations runs at assembly speed, therefore they are orders of magnitude faster
>> than scalar operations on other TA softwares, therefore processing
>> the array takes actually about the same as processing one number
>> in other TA softwares.
>>
>>
>> Fifth, the most important thing:
>>
>> You should really send your questions along with full formula to SUPPORT
>> ============================================
>> instead of flooding this list. Without formula it is all speculation and you
>> are wasting people time on guessing work.
>>
>> There are 9000+ people on this list and you are sending your messages
>> to all of them!
>>
>> Send your questions / problems / full formula to SUPPORT at amibroker.com
>>
>> Best regards,
>> Tomasz Janeczko
>> amibroker.com
>> ----- Original Message -----
>> From: "Conrad Joach" <consolejoker@xxx>
>> To: <amibroker@xxxxxxxxxxxxxxx>
>> Sent: Friday, March 27, 2009 4:47 AM
>> Subject: [amibroker] Re: I'm having a very hard time doing something that I think should be simple
>>
>>
>> > Well this is illuminating and disturbing. Are you saying the IQFeed plugin is autorefreshing AB? The only time it should be
>> > doing
>> > that is when actual ticks come in. And then AB should be smart enough to only refresh my AFL if the ticks that have come in are
>> > on
>> > the chart that is hosting a given AFL script.
>> >
>> > Is that not how it works? Is this specific to IQFeed?
>> >
>> > If this is true, then I think this is a major deal breaker for me. I am going to run complicated logic in my AFL. I can't have
>> > it
>> > running 3 times a second just because IQFeed happens to be connected. It needs to *only* run when a tick crosses the wire, or
>> > on a
>> > scheduled timer that I create and that I find useful to the problem I'm trying to solve.
>> >
>> > Hopefully I'm not understanding you and there is a way out of this.
>> >
>> >
>> > --- In amibroker@xxxxxxxxxxxxxxx, "brian_z111" <brian_z111@> wrote:
>> >>
>> >> Hi Conrad,
>> >>
>> >> I don't know the answer but I have been following along and I can hazard a guess:
>> >>
>> >> - when a plugin is actioned it auto enables timed refresh (otherwise the charts would not refresh while we are away from the
>> >> desk?
>> >>
>> >> http://www.amibroker.com/guide/afl/afl_view.php?id=320
>> >>
>> >> - refreshes would continue, tick or no tick, until the plug is pulled on the plugin?
>> >>
>> >> - going to daily bar view makes no difference because the underlying database is RT and it continues to refresh as per the
>> >> timer?
>> >> (in RT the daily bar is a compression of RT bars and not an EOD 'snapshot' of the OHLC for the day.
>> >>
>> >> If I am correct I suppose there is an argument for users being able to toggle on/off an auto adjustment for refresh time when
>> >> changing to a higher timeframe...... there is no need for high frequency refresh if you are only interested in a timeframe >
>> >> than
>> >> the basetime.
>> >>
>> >> In that case though you wouldn't see the bar build you would just see the latest finished bar appear.
>> >>
>> >> I dare say the topguns probably code up their own solutions.
>> >>
>> >> If you set the timed refresh to a ridiculously high number I guess timed refresh would halt and you would only get a refresh
>> >> on
>> >> 'user action'.
>> >>
>> >> from the timed refresh reference:
>> >>
>> >> Hint: to detect whenever given refresh comes from timer or user action you can use Status("redrawaction") function. It returns
>> >> 0
>> >> for regular refresh (user action) and 1 for timer-refresh
>> >>
>> >> Re 'data page' referred to by Tomasz
>> >>
>> >> I don't know what he was talking about either ... I think he means the QuoteEditor page.
>> >>
>> >>
>> >>
>> >> --- In amibroker@xxxxxxxxxxxxxxx, "Conrad Joach" <consolejoker@> wrote:
>> >> >
>> >> > Another update, I hit the "Close" button on this little backfill window. It warned me that I would lose the ability to get
>> >> > quotes until I loaded the database again. I hit Yes, and it said it was shutting down the IQFeed plugin. As soon as I did
>> >> > this,
>> >> > my TRACE window stopped updating.
>> >> >
>> >> > So we now know the culprit, the question is why on earth is the fact that the IQFeed plugin is running causing my AFL to be
>> >> > invoked over and over again in a chart??
>> >> >
>> >> > --- In amibroker@xxxxxxxxxxxxxxx, "Conrad Joach" <consolejoker@> wrote:
>> >> > >
>> >> > > One other variable I'll mention is that there is a little window running saying "Backfilling AAPL, 4500 bars", and "0
>> >> > > running
>> >> > > backfills". I don't know what this has to do with AFL and a chart. There's no way this window or whatever backfilling its
>> >> > > doing (which it can't possibly be doing if the network is unplugged) should have any impact on how often an AFL gets
>> >> > > invoked
>> >> > > in a chart window. But I thought I'd mention it here to see if means anything.
>> >> > >
>> >> > > --- In amibroker@xxxxxxxxxxxxxxx, "Conrad Joach" <consolejoker@> wrote:
>> >> > > >
>> >> > > > I tried your test, I got results that showed time was changing, see below.
>> >> > > >
>> >> > > > Also, I disconnected my network connection, and guess what, the trace kept on printing, line after line, with a new time
>> >> > > > stamp, never stopping. I was on an AAPL chart before I disconnected.
>> >> > > >
>> >> > > > So the question is why is the chart refreshing multiple times per second when the network is unplugged, which rules out
>> >> > > > ticks, and when there is no interaction with the chart window??
>> >> > > >
>> >> > > > test215723 Formulas\Drag-drop\DebugPlot 4.afl 4 20 21:57:23.89
>> >> > > > test215724 Formulas\Drag-drop\DebugPlot 4.afl 4 20 21:57:24.89
>> >> > > > test215725 Formulas\Drag-drop\DebugPlot 4.afl 4 20 21:57:25.89
>> >> > > > test215726 Formulas\Drag-drop\DebugPlot 4.afl 4 20 21:57:26.89
>> >> > > >
>> >> > > >
>> >> > > > --- In amibroker@xxxxxxxxxxxxxxx, "monitorit" <monitorit@> wrote:
>> >> > > > >
>> >> > > > > Hi,
>> >> > > > > Just a few thoughts from a non-pro ABer
>> >> > > > > 1. If you have entered more than 1 ticker since the time AB session started and are in realtime mode, AB will try to
>> >> > > > > get
>> >> > > > > those quotes as well as for the displayed ticker (running an AA session or have tickers in an open realtime quote
>> >> > > > > window
>> >> > > > > also counts I believe). The number of tickers AB will try to get I think depends on your data provider - 200 sounds
>> >> > > > > to
>> >> > > > > be plausable.
>> >> > > > > 2. Could your data provider be sending ticks for the ticker many times/sec (ie 200 times in 20sec)?
>> >> > > > >
>> >> > > > > Consider changing your afl to
>> >> > > > >
>> >> > > > > _SECTION_BEGIN("YOURTITLE");
>> >> > > > > plot(C,"Close",colorblack
>> >> > > > > _TRACE("test"+Now(4));
>> >> > > > > _SECTION_END();
>> >> > > > >
>> >> > > > > save it
>> >> > > > > check to see if all times are ~the same or show a continum (could the 200 traces just be the last 200 but they are
>> >> > > > > continuing while the window is open)?
>> >> > > > > consider disconnecting from your data provider
>> >> > > > > consider quitting and restarting AB and checking the above.
>> >> > > > >
>> >> > > > > Would like to see the results of above
>> >> > > > > Dan
>> >> > > > >
>> >> > > > > --- In amibroker@xxxxxxxxxxxxxxx, "Conrad Joach" <consolejoker@> wrote:
>> >> > > > > >
>> >> > > > > > I have posted in excruciating detail exactly what I'm doing. My code is one line:
>> >> > > > > >
>> >> > > > > > _TRACE("test");
>> >> > > > > >
>> >> > > > > > That's it. One line. On one chart. The chart is minutely, on a database with 5000 minutes. EURUSD.
>> >> > > > > >
>> >> > > > > > It prints 200 times then stops. I have no refresh on the chart.
>> >> > > > > >
>> >> > > > > > If I clear the trace window, it prints it 200 times again, as if that is somehow causing a chart refresh, which is
>> >> > > > > > very
>> >> > > > > > weird behavior.
>> >> > > > > >
>> >> > > > > > What else can I tell you. You can reproduce this yourself very easily with my explanation. Let me know what other
>> >> > > > > > info
>> >> > > > > > you need.
>> >> > > > > >
>> >> > > > > > Thanks.
>> >> > > > > >
>> >> > > > > > >>Re: [amibroker] Re: I'm having a very hard time doing something that I think should be simple
>> >> > > > > >
>> >> > > > > > You have to take it one step at a time. If you set AB to log only 200 lines than that is what you get, no more.
>> >> > > > > >
>> >> > > > > >
>> >> > > > > > Anyway, I haven't seen your code yet, did you post it? Also include the exact conditions you run it with.
>> >> > > > > >
>> >> > > > > >
>> >> > > > > > Everybody is guessing what you are doing - you'll never learn anything this way.
>> >> > > > > >
>> >> > > > > >
>> >> > > > > > herman
>> >> > > > > >
>> >> > > > >
>> >> > > >
>> >> > >
>> >> >
>> >>
>> >
>> >
>> >
>> >
>> > ------------------------------------
>> >
>> > **** 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
>
>
>
------------------------------------
**** 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/
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