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Here is the post by TJ when he created the alert code. Ron D
========================
Hello,
OK, my mistake, I have written it right off hand. You need to wrap
StaticVarGet with Nz
function to make sure that if variable is not set at all Null is converted
to zero:
YourCondition = 1;//...
lastdatetime = LastValue( DateTime() );
if( LastValue( YourCondition )
AND lastdatetime > Nz(StaticVarGet( "AlertFlag2"+Name() ) ) )
{
// update static variable
StaticVarSet( "AlertFlag2"+Name(), Lastdatetime );
// as many alertif statements as you wish
AlertIf( True, "EMAIL ...", "Text", 0, 1 );
AlertIf( True, "SOUND ...", "Text", 0, 1 );
}
Best regards,
Tomasz Janeczko
amibroker.com
----- Original Message -----
From: "Graham" <kavemanperth@xxxxxxxxx>
To: <amibroker@xxxxxxxxxxxxxxx>
Sent: Monday, October 31, 2005 6:10 PM
Subject: Re: [amibroker] more on AlertIf . . .
> Yuki there was a discussion recently about alerts and having multiple
> alerts for the same signal for sound, emails and text. do a search for
> the discussions. I recall TJ included a code that could be used.
>
> The repeated alert for same signal to my knowledge only stops repeated
> alerts within the same time period of your AA settings. So if AA is
> set to 1 minute time peiod, then alerts can be repeated every minute
> if the signals re-occur.
> Can you remove repeated signals? eg use exrem between the signal
> conditions line and the alertif line.
>
> You also did not try the solution I provided earlier to reduce the
> signal to only the first of the day. I cannot see this used in what
> you just sent not any other attempt to reduce the number of signals
>
> You asked earlier if 1 miinute is the shortest for scans? It appears
> so in the AA window where the scan repetition window is only in
> minutes
>
>
>
> On 11/1/05, Yuki Taga <yukitaga@xxxxxxxxxxxxx> wrote:
>> Hi Graham,
>>
>> Tuesday, November 1, 2005, 7:21:19 AM, you wrote:
>>
>> G> cond1 and cond2 are just whatever you have for your buy conditions
>>
>> Thank you, but I am still not clear. I am working on this, this
>> morning, and trying to go in another direction. But the help file is
>> simply terrible for this function. It says that, by default, all
>> flags are on. Yet one of the flags is 'do not display repeated
>> alerts on the same date/time'. However, this happened all afternoon
>> yesterday, so what can I say?
>>
>> Here is how I have changed this, this morning, so far:
>>
>> I am trying to avoid having ONE alert that hits stop
>> any processing for the other conditions.
>>
>> Also, the help file appears to have "Audio alert" in the
>> place reserved for text that is to appear in the alert window.
>>
>> In spite of that, I got symbols, which is what I wanted.
>>
>> But the same symbols were repeating over and over again, as
>> price went to and fro, despite the "all flags are ON by default"
>> claim in the help file, as I stated above.
>>
>> 9999 and 1111, as well as 0000, are simply place-holders
>> that I will amend after the open.
>>
>> Thanks,
>>
>> Yuki
>>
>> Cond1 = Cross(C, 9999) AND Name()=="8604-TSE";
>> Cond2 = Cross(C, 9999) AND Name()=="8848-TSE";
>> Cond3 = Cross(C, 9999) AND Name()=="9984-TSE";
>> Cond4 = Cross(C, 9999) AND Name()=="9766-TSE";
>> Cond5 = Cross(C, 9999) AND Name()=="7731-TSE";
>> Cond6 = Cross(C, 9999) AND Name()=="6460-TSE";
>> Cond7 = Cross(C, 9999) AND Name()=="5016-TSE";
>> Cond8 = Cross(C, 9999) AND Name()=="8263-TSE";
>> Cond9 = Cross(C, 1111) AND Name()=="0000-TSE";
>> Cond10 = Cross(C, 1111) AND Name()=="0000-TSE";
>> Cond11 = Cross(C, 1111) AND Name()=="0000-TSE";
>>
>> AlertIf( Cond1, "SOUND C:\\Windows\\Media\\Space SysStart.wav", "Audio
>> alert", 1);
>> AlertIf( Cond2, "SOUND C:\\Windows\\Media\\Space SysStart.wav", "Audio
>> alert", 1);
>> AlertIf( Cond3, "SOUND C:\\Windows\\Media\\Space SysStart.wav", "Audio
>> alert", 1);
>> AlertIf( Cond4, "SOUND C:\\Windows\\Media\\Space SysStart.wav", "Audio
>> alert", 1);
>> AlertIf( Cond5, "SOUND C:\\Windows\\Media\\Space SysStart.wav", "Audio
>> alert", 1);
>> AlertIf( Cond6, "SOUND C:\\Windows\\Media\\Space SysStart.wav", "Audio
>> alert", 1);
>> AlertIf( Cond7, "SOUND C:\\Windows\\Media\\Space SysStart.wav", "Audio
>> alert", 1);
>> AlertIf( Cond8, "SOUND C:\\Windows\\Media\\Space SysStart.wav", "Audio
>> alert", 1);
>> AlertIf( Cond9, "SOUND C:\\Windows\\Media\\Space SysStart.wav", "Audio
>> alert", 1);
>> AlertIf( Cond10, "SOUND C:\\Windows\\Media\\Space SysStart.wav", "Audio
>> alert", 1);
>> AlertIf( Cond11, "SOUND C:\\Windows\\Media\\Space SysStart.wav", "Audio
>> alert", 1);
>>
>> G> On 10/31/05, Yuki Taga <yukitaga@xxxxxxxxxxxxx> wrote:
>> >> Hi Graham,
>> >>
>> >> Monday, October 31, 2005, 7:32:10 PM, you wrote:
>> >>
>> >> G> Yuki this is one way to do it, there are many other methods to
>> >> achieve
>> >> G> the same thing
>> >>
>> >> G> buy = sum( cond1 and cond2 , barssince(datenum() !=
>> >> ref(datenum(),-1)+1 )==1;
>> >>
>> >> Please explain cond1 and cond2. I have no idea what these are. Do I
>> >> need one line for every symbol? Or can I somehow incorporate all the
>> >> symbols for a particular day into one line? Help is very, very
>> >> UN-helpful in this regard.
>> >>
>> >> Yuki
>> >>
>> >>
>> >>
>> >>
>> >> 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 other support material please check also:
>> >> http://www.amibroker.com/support.html
>> >>
>> >>
>> >> Yahoo! Groups Links
>> >>
>> >>
>> >>
>> >>
>> >>
>> >>
>> >>
>> >>
>>
>>
>> G> --
>> G> Cheers
>> G> Graham
>> G> AB-Write >< Professional AFL Writing Service
>> G> Yes, I write AFL code to your requirements
>> G> http://e-wire.net.au/~eb_kavan/ab_write.htm
>>
>>
>>
>> G> Please note that this group is for discussion between users only.
>>
>> G> To get support from AmiBroker please send an e-mail directly to
>> G> SUPPORT {at} amibroker.com
>>
>> G> For other support material please check also:
>> G> http://www.amibroker.com/support.html
>>
>>
>> G> Yahoo! Groups Links
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> Best,
>>
>> Yuki
>>
>>
>>
>>
>> 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 other support material please check also:
>> http://www.amibroker.com/support.html
>>
>>
>> Yahoo! Groups Links
>>
>>
>>
>>
>>
>>
>>
>
>
> --
> Cheers
> Graham
> AB-Write >< Professional AFL Writing Service
> Yes, I write AFL code to your requirements
> http://e-wire.net.au/~eb_kavan/ab_write.htm
>
>
>
> 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 other support material please check also:
> http://www.amibroker.com/support.html
>
>
> Yahoo! Groups Links
>
>
>
>
>
>
>
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