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Hi Tomasz,
that doesn't negate that you can have two different refresh rates running two instances of the same installation though does it? I seem to be able to do this with no trouble.
My purpose for this post is that I was hoping to be able to chart what you're outputting in the Time & Sales window. I.e. Trades hit at the bid vs ask on a per minute basis.
However in my tests using zero for the refresh rate, it still misses ticks. E.g. If three ticks come in with the same timestamp, it only refreshes once, although you get three distinct ticks on the chart and all three show up as trades in the Time & Sales window.
Is there any way to access the Time & Sales data through code?
Thanks,
Julian.
--- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" <groups@xxx> wrote:
>
> Hello,
>
> Refresh rate is not stored in the registry. It is stored in a file (broker.prefs) documented in http://www.amibroker.com/guide/x_files.html
> that is located in AmiBroker directory.
> You can have 2 different preferences if you install AmiBroker twice into different directories. Note that if that's the case
> each installation will have its own settings, own formulas and generally speaking should not share layouts.
>
> Best regards,
> Tomasz Janeczko
> amibroker.com
> ----- Original Message -----
> From: Tom Klopfstein
> To: amibroker@xxxxxxxxxxxxxxx
> Sent: Friday, June 19, 2009 4:42 AM
> Subject: Re: [amibroker] Re: Multiple AB instances with eSignal
>
>
>
>
>
>
>
> I run multiple instances of AB on the same esignal data source. So far, I have not experienced any problems. The refresh rate is stored in the registry (I think), so you would have to check the Preferences of each instance to make sure the refresh rate was the desired amount for each one after starting up AB.
> Note: If you want to run Ninjatrader or QCollector at the same time as AB, then start and connect those before connecting AB. If you start AB first, then QC and NT will not connect to esignal.
>
>
> ------------------------------------------------------------------------------
> From: sidhartha70 <sidhartha70@xxx>
> To: amibroker@xxxxxxxxxxxxxxx
> Sent: Thursday, June 18, 2009 11:52:23 AM
> Subject: [amibroker] Re: Multiple AB instances with eSignal
>
>
>
>
> Do you find setting the chart refresh to 'zero' (i.e. every tick) makes a noticeable difference on performance relative to setting it to say '2 seconds'...?
>
> --- In amibroker@xxxxxxxxx ps.com, "Julian" <juliangoodsell@ ...> wrote:
> >
> > I have a tick database in AB using eSignal and various charts with various custom indicators, some of which take around 500ms to render.
> >
> > I want some charts to update per tick (set realtime chart refresh interval to 0 in Intraday settings) but others (1min+ charts) to update only every minute so I can get higher refresh rates on my tick charts.
> >
> > I figured I could just run two instances of AB. A tick database limited to about 10000 ticks (one days worth) and a 1 minute database with a slower refresh rate but was wondering if there was a way to achieve the above without running two instances of AB?
> > Are there any issues running two instances of AB both accessing the same eSignal feed?
> >
> > Thanks.
> >
>
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