MT4 MACD
MACDとSIGNALがクロスした際の、（１）－（３）の条件を満たす、プログラム変更を教えてください。
（１）Alertを鳴らす（２）Soundを１度鳴らす（３）Soundを鳴らし続ける
#property indicator_separate_window
#property indicator_buffers 5
#property indicator_color1 DeepSkyBlue
#property indicator_color2 DeepPink
#property indicator_color3 Green
#property indicator_color4 DeepPink
#property indicator_width4 2
#property indicator_color5 Aqua
#property indicator_width5 2
//---- input parameters
extern int FastMAPeriod=12;
extern int SlowMAPeriod=26;
extern string _ma = "0:SMA 1:EMA 2:SMMA 3:LWMA";
extern int MAMethod = MODE_EMA;
extern int SignalMAPeriod=9;
extern int SignalMAMethod = MODE_EMA;
extern bool ShowSignal = false;
extern double SignalDiff = 0.000175;
//---- buffers
double MACDLineBuffer[];
double SignalLineBuffer[];
double HistogramBuffer[];
double AlertUpBuffer[];
double AlertDownBuffer[];
//---- variables
double alpha = 0;
double alpha_1 = 0;
//| Custom indicator initialization function |
int init()
{
IndicatorDigits(MarketInfo(Symbol(),MODE_DIGITS)+1);
//---- indicators
SetIndexStyle(0,DRAW_LINE);
SetIndexBuffer(0,MACDLineBuffer);
SetIndexDrawBegin(0,SlowMAPeriod);
SetIndexStyle(1,DRAW_LINE/*,STYLE_DOT*/);
SetIndexBuffer(1,SignalLineBuffer);
SetIndexDrawBegin(1,SlowMAPeriod+SignalMAPeriod);
SetIndexStyle(2,DRAW_HISTOGRAM);
SetIndexBuffer(2,HistogramBuffer);
SetIndexDrawBegin(2,SlowMAPeriod+SignalMAPeriod);
SetIndexBuffer(3,AlertDownBuffer);
SetIndexDrawBegin(3,SlowMAPeriod+SignalMAPeriod);
SetIndexBuffer(4,AlertUpBuffer);
SetIndexDrawBegin(4,SlowMAPeriod+SignalMAPeriod);
if(ShowSignal){
SetIndexStyle(3,DRAW_ARROW);
SetIndexArrow(3,119);
SetIndexStyle(4,DRAW_ARROW);
SetIndexArrow(4,119);
}else{
SetIndexStyle(3,DRAW_NONE);
SetIndexStyle(4,DRAW_NONE);
}
//---- name for DataWindow and indicator subwindow label
IndicatorShortName("MACD+("+FastMAPeriod+","+SlowMAPeriod+","+SignalMAPeriod+")");
SetIndexLabel(0,"MACD");
SetIndexLabel(1,"Signal");
SetIndexLabel(2,"Hist");
SetIndexLabel(3,NULL); SetIndexLabel(4,NULL);
//----
//alpha = 2.0 / (SignalMAPeriod + 1.0);
//alpha_1 = 1.0 - alpha;
//----
if(StringFind(Symbol(),"JPY")!=-1) SignalDiff=SignalDiff*100;
Print("SignalDiff = ",SignalDiff);
return(0);
}
//+------------------------------------------------------------------+
//| Custor indicator deinitialization function |
//+------------------------------------------------------------------+
int deinit()
{
//----
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start()
{
int limit,i;
int counted_bars = IndicatorCounted();
//---- check for possible errors
if (counted_bars<0) return(-1);
//---- last counted bar will be recounted
if (counted_bars>0) counted_bars--;
limit = Bars - counted_bars;
for(i=limit; i>=0; i--)
{
MACDLineBuffer[i] = iMA(NULL,0,FastMAPeriod,0,MAMethod,PRICE_CLOSE,i) - iMA(NULL,0,SlowMAPeriod,0,MAMethod,PRICE_CLOSE,i);
}
for(i=limit; i>=0; i--)
{
//SignalLineBuffer[i] = alpha*MACDLineBuffer[i] + alpha_1*SignalLineBuffer[i+1];
SignalLineBuffer[i] = iMAOnArray(MACDLineBuffer,0,SignalMAPeriod,0,SignalMAMethod,i);
HistogramBuffer[i] = MACDLineBuffer[i] - SignalLineBuffer[i];
if(MACDLineBuffer[i] >MACDLineBuffer[i+1]+SignalDiff ){
AlertUpBuffer[i]=MACDLineBuffer[i];
}else{
AlertUpBuffer[i]=EMPTY_VALUE;
}
if(MACDLineBuffer[i] <MACDLineBuffer[i+1]-SignalDiff){
AlertDownBuffer[i]=MACDLineBuffer[i];
}else{
AlertDownBuffer[i]=EMPTY_VALUE;
}
}
//----
return(0);
