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Christoper
I am sorry, but this code woks fine for me
SetBarsRequired(1000000,1000000);
////////Dominant Cycle//////////////
Price=((H+L)/2);
myDC = sbDC(Price);
Plot(mydc,"DC",4,1);
I have the last beta of amibroker 4.63.0
verify in yours plugin : tools / plugin/load
that you have not an old ehlers.dll in the same folder that the last
indicators.dll
stephane
>
> Need some more help... Ok the correct code below now charts DC just
> fine. However I'm having difficulty with this code now:
> <begin>
> SetBarsRequired(1000000,1000000);
> ////////Dominant Cycle//////////////
> Price=((H+L)/2);
> myDC = sbDC(Price);
> <end>
>
> I get this error.
>
> <error start>
> Unhandled exception
> Type: CSysException
> Code: c0000005
> Description: ACCESS VIOLATION
> Address: e4aca6
>
> Line 4, Column 19:
> SetBarsRequired(1000000,1000000);
>
> ////////Dominant Cycle//////////////
>
> Price=((H+L)/2);
>
> myDC = sbDC(Price);
> ------------------^
> <error end>
>
> Stephane can you please help. thanks once again.
>
> --- In amibroker@xxxxxxxxxxxxxxx, "Christoper" <turkey@xxxx> wrote:
> >
> > ACK! I knew that... I have it in my other AFL code, but I don't
> know
> > why I didn't include it again.
> >
> > Thanks,
> > Stephane
> >
> > --- In amibroker@xxxxxxxxxxxxxxx, "s.carrasset" <s.carrasset@xxxx>
> > wrote:
> > > Hello,
> > >
> > > because of quick AFL on, you must add before the dll
> > > setbarsrequired
> > > ex:
> > > SetBarsRequired(10000,10000);
> > > price = (H + L) / 2;
> > > Plot(sbDC(price),"DC",4,1);
> > >
> > > and it must be fine
> > >
> > > stephane
> > > Turkey wrote:
> > >
> > > > Stephane,
> > > >
> > > > I'm having trouble with the Dominant Cycle function. Basically
> > if I use
> > > > your example in the help file:
> > > > price = (H + L) / 2;
> > > > Plot(sbDC(price),"DC",4,1);
> > > >
> > > > I observe two issues:
> > > > (a) I'm getting real wacky results. Negative numbers, really
> low
> > numbers
> > > > (0.45) And when I slide the horizontal bar backwards or
> forwards
> > during
> > > > time, sbDC doesn't seem to 'refresh'. The graph "freeezes"
> while
> > all
> > > > other
> > > > charts move through time normally. I've tried this for many
> > different
> > > > symbols, and after checking data. However sometimes...
> > > > (b) If I click on different days, sbDC seems to "recalculate"
> and
> > refresh,
> > > > sometimes to (i) what I would consider correct values or (ii)
> to
> > another
> > > > wacky state.
> > > >
> > > > This happens with the exact example above. I'm using EOD data,
> > with data
> > > > from 1/1/200o through today. With a few hundred symbols.
> > > >
> > > > Help will be appreciated.
> > > >
> > > > Thanks,
> > > > Chris
> > > >
> > > > -----Original Message-----
> > > > From: s.carrasset [mailto:s.carrasset@x...]
> > > > Sent: Thursday, September 30, 2004 6:03 AM
> > > > To: amibroker@xxxxxxxxxxxxxxx
> > > > Subject: Re: [amibroker] Re: Ehlers.dll
> > > >
> > > > yes,
> > > >
> > > > you can use only indicators.dll and remove ehlers.dll of plugin
> > folder, as
> > > > all the codes of ehlers written by stefan sbondorovith if i
> > remember
> > > > correctly his name is included in indicators.dll for the source
> > code,
> > > > it is
> > > > written in c++ and it is a translation of EL code of
> tradestation
> > > >
> > > > for ex the sinewave is below but you can't use directly in
> > amibroker, but
> > > > only in a compiler via a plugin
> > > >
> > > > stephane
> > > >
> > > > AmiVar sbSine( int NumArgs, AmiVar *ArgsTable ) {
> > > > int i, j,count;
> > > > int nSize = gSite.GetArraySize();
> > > >
> > > > AmiVar SineWave = gSite.AllocArrayResult();
> > > > AmiVar LeadSine = gSite.AllocArrayResult();
> > > > AmiVar DCPhase = gSite.AllocArrayResult();
> > > >
> > > > double Qmult = 0.338;
> > > > double Imult = 0.635;
> > > >
> > > > double* InPhase = new double[nSize];
> > > > double* Phase = new double[nSize];
> > > > double* DeltaPhase = new double[nSize];
> > > > double* InstPeriod = new double[nSize];
> > > > double* Period = new double[nSize];
> > > > double* Quadrature = new double[nSize];
> > > > double* Value3 = new double[nSize];
> > > > double* Value5 = new double[nSize];
> > > >
> > > > float *Price = ArgsTable[ 0 ].array;
> > > > j = SkipEmptyValues( nSize, Price, SineWave.array );
> > > >
> > > > for(i = j; i < 50; i++)
> > > > {
> > > > InPhase[i] = 0.0;
> > > > Phase[i] = 0.0;
> > > > DeltaPhase[i] = 0.0;
> > > > InstPeriod[i] = 0.0;
> > > > Period[i] = 0;
> > > > Quadrature[i] = 0.0;
> > > > Value3[i] = 0.0;
> > > > Value5[i] = 0.0;
> > > > SineWave.array[i] = LeadSine.array[i]= EMPTY_VAL;
> > > > }
> > > >
> > > > for( i = j + 6; i < nSize; i++ )
> > > > {
> > > >
> > > > // Detrend Price
> > > > Value3[i] = Price[i] - Price[i-7];
> > > >
> > > > // Compute Inphase and Quadrature
> > > > InPhase[i] = 1.25 * (Value3[i-4] - Imult * Value3[i-2])
> +
> > Imult
> > > > * InPhase[i-3];
> > > > Quadrature[i] = Value3[i-2] - Qmult * Value3[i] + Qmult
> *
> > > > Quadrature[i-2];
> > > >
> > > >
> > > > //Use ArcTangent to compute the current phase
> > > > if( dabs(InPhase[i] +InPhase[i-1]) > 0)
> > > > Phase[i] = ArcTangent( dabs((Quadrature[i]
> +Quadrature
> > [i-1])
> > > > / (InPhase[i]+InPhase[i-1])) );
> > > >
> > > >
> > > > //Resolve the ArcTangent ambiguity
> > > > if( (InPhase[i] < 0 ) && (Quadrature[i] > 0))
> > > > Phase[i] = 180 - Phase[i];
> > > > if( (InPhase[i] < 0) && (Quadrature[i] < 0))
> > > > Phase[i] = 180 + Phase[i];
> > > > if( (InPhase[i] > 0) && (Quadrature[i] < 0))
> > > > Phase[i] = 360 - Phase[i];
> > > >
> > > > //Compute a differential phase, resolve phase
> wraparound,
> > and
> > > > limit delta phase errors
> > > > DeltaPhase[i] = Phase[i-1] - Phase[i];
> > > > if( (Phase[i-1] < 90) && (Phase[i] > 270))
> > > > DeltaPhase[i] = 360 + Phase[i-1] - Phase[i];
> > > > if( (DeltaPhase[i] < 1))
> > > > DeltaPhase[i] = 1;
> > > > if( DeltaPhase[i] > 60)
> > > > DeltaPhase[i] = 60;
> > > > }
> > > >
> > > > for( i = j + 50; i < nSize; i++ )
> > > > {
> > > >
> > > > //Sum DeltaPhases to reach 360 degrees. The sum is the
> > > > instantaneous period.
> > > > double Value4 = 0.0;
> > > > InstPeriod[i] = 0.0;
> > > > for( count = 0; count < 50; count++)
> > > > {
> > > > Value4 = Value4 + DeltaPhase[i-count];
> > > > if( (Value4 > 360.0) && (InstPeriod[i] == 0.0))
> > > > InstPeriod[i] = (double)count;
> > > > }
> > > >
> > > > //Resolve Instantaneous Period errors and smooth}
> > > > if( InstPeriod[i] == 0.0)
> > > > InstPeriod[i] = InstPeriod[i-1];
> > > > Value5[i] = 0.25 * InstPeriod[i] + 0.75 * Period[i-1];
> > > >
> > > > //Compute Dominant Cycle Phase, Sine of the Phase Angle
> > and
> > > > Leadsine}
> > > > Period[i] = floor(Value5[i]);
> > > > double RealPart = 0.0;
> > > > double ImagPart = 0.0;
> > > >
> > > > for( count = 0; count < Period[i]; count++) {
> > > > RealPart = RealPart + Sine( 360 * count / Period
> [i] )
> > *
> > > > Price[i-count];
> > > > ImagPart = ImagPart + Cosine( 360 * count / Period
> > [i]) *
> > > > Price[i-count];
> > > > }
> > > >
> > > > if( dabs(ImagPart) > 0.001)
> > > > DCPhase.array[i] = (float)ArcTangent( RealPart /
> > ImagPart );
> > > >
> > > > if( dabs(ImagPart) <= 0.001)
> > > > {
> > > > int Sign;
> > > > if( RealPart < 0)
> > > > Sign = -1;
> > > > else
> > > > Sign = 1;
> > > > DCPhase.array[i] = (float) (90 * Sign);
> > > > }
> > > >
> > > > DCPhase.array[i] = DCPhase.array[i] + 90;
> > > > if( ImagPart < 0 )
> > > > DCPhase.array[i] = DCPhase.array[i] + 180;
> > > > if( DCPhase.array[i] > 315)
> > > > DCPhase.array[i] = DCPhase.array[i] - 360;
> > > >
> > > >
> > > > SineWave.array[ i ] = (float)(Sine( DCPhase.array[i] ));
> > > > LeadSine.array[i] = (float)(Sine( DCPhase.array[i] +
> > 45 ));
> > > >
> > > > }
> > > > delete [] InPhase;
> > > > delete [] Phase;
> > > > delete [] DeltaPhase;
> > > > delete [] InstPeriod;
> > > > delete [] Period;
> > > > delete [] Quadrature;
> > > > delete [] Value3;
> > > > delete [] Value5;
> > > >
> > > > gSite.SetVariable( "sbDCPhase", DCPhase );
> > > > gSite.SetVariable( "sbLeadSine", LeadSine );
> > > > return SineWave;
> > > > }
> > > > for ex
> > > >
> > > > > Stephane,
> > > > >
> > > > > Thanks much for you reply, especially since the author is no
> > longer
> > > > > here. I will make sure that my code contains the
> > SetbarsRequired
> > > > > line and test.
> > > > >
> > > > > So can i assume that I can get rid of Ehlers.dll and utilize
> > your
> > > > > Indicators.dll instead?
> > > > >
> > > > > In addition, would you be willing to share the source code?
> > Want to
> > > > > get tips on translating easylanguage to afl.
> > > > >
> > > > > Chris
> > > > >
> > > > > --- In amibroker@xxxxxxxxxxxxxxx, "s.carrasset"
> > <s.carrasset@xxxx>
> > > > > wrote:
> > > > > > the man who has written the dll is not still active , but
> he
> > gave
> > > > > me its
> > > > > > sorce code and I have included it in indicators dll.
> > > > > > I am remembering I have modified some code because of crash.
> > > > > > so you must load indicators.dll and perhaps add
> > > > > > SetBarsRequired(10000,10000); at the begin of the code like
> > > > > > SetBarsRequired(10000,10000);
> > > > > >
> > > > > > Plot(sbDC(scMp()),"CGO",colorRed,1);
> > > > > >
> > > > > > stephane
> > > > > >
> > > > > >
> > > > > >
> > > > > > Christoper wrote:
> > > > > >
> > > > > > > Hi,
> > > > > > >
> > > > > > > Is the author for Ehlers.dll still around? I'm having
> some
> > > > > trouble
> > > > > > > with it, Amibroker is crashing every once in a while when
> > I'm
> > > > > running
> > > > > > > a scan.
> > > > > > >
> > > > > > > Can I get the formula for "Dominant Cycle"?
> > > > > > >
> > > > > > > Thanks,
> > > > > > > Chris
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > > Check AmiBroker web page at:
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> > > > > > >
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