I tried to at an alert to the Ama to kama cross indicator but was uncessessful am getting 20 errors and 2 warnings
Ama to kama cross indicator alert
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I tried to add an alert to the Ama to kama cross indicator but was uncessessful am getting 20 errors and 2 warnings. Here is the code:
MQL5:
//------------------------------------------------------------------ #property copyright "© mladen, 2018" #property link "mladenfx@gmail.com" //------------------------------------------------------------------ #property indicator_chart_window #property indicator_buffers 6 #property indicator_plots 4 #property indicator_label1 "Fast TEMA" #property indicator_type1 DRAW_COLOR_LINE #property indicator_color1 clrSilver,clrMediumSeaGreen,clrOrangeRed #property indicator_width1 2 #property indicator_label2 "Slow TEMA" #property indicator_type2 DRAW_COLOR_LINE #property indicator_color2 clrSilver,clrMediumSeaGreen,clrOrangeRed #property indicator_label3 "Arrow up" #property indicator_type3 DRAW_ARROW #property indicator_color3 clrMediumSeaGreen #property indicator_label4 "Arrow down" #property indicator_type4 DRAW_ARROW #property indicator_color4 clrOrangeRed // //--- input parameters // input int inpPeriod = 14; // Period input int inpFastPeriod = 2; // Fast end period input int inpSlowPeriod = 30; // Slow end period input double inpPower = 2; // KAMA smoothing power input ENUM_APPLIED_PRICE inpPrice = PRICE_CLOSE; // Price input int TriggerCandle = 1; input bool EnableNativeAlerts = true; input bool EnableSoundAlerts = true; input bool EnableEmailAlerts = true; input bool EnablePushAlerts = true; input string AlertEmailSubject = ""; input string AlertText = ""; input string SoundFileName = "alert.wav"; datetime LastAlertTime = D'01.01.1970'; int LastAlertDirection = 0; // //--- indicator buffers // double valf[],valfc[],vals[],valsc[],arrup[],arrdn[],g_fastEnd,g_slowEnd; int g_hlPeriod; //------------------------------------------------------------------ // Custom indicator initialization function //------------------------------------------------------------------ // // // int OnInit() { // // // SetIndexBuffer(0,valf ,INDICATOR_DATA); SetIndexBuffer(1,valfc,INDICATOR_COLOR_INDEX); SetIndexBuffer(2,vals ,INDICATOR_DATA); SetIndexBuffer(3,valsc,INDICATOR_COLOR_INDEX); SetIndexBuffer(4,arrup,INDICATOR_DATA); SetIndexBuffer(5,arrdn,INDICATOR_DATA); PlotIndexSetInteger(2,PLOT_ARROW,217); PlotIndexSetInteger(2,PLOT_ARROW_SHIFT,10); PlotIndexSetInteger(3,PLOT_ARROW,218); PlotIndexSetInteger(3,PLOT_ARROW_SHIFT,-10); iKama.init(inpPeriod,inpFastPeriod,inpSlowPeriod,inpPower); g_fastEnd = 2.0/(inpFastPeriod+1.0); g_slowEnd = 2.0/(inpSlowPeriod+1.0); g_hlPeriod = inpPeriod+1; // // // IndicatorSetString(INDICATOR_SHORTNAME,"AMA to KAMA crosses ("+(string)inpPeriod+")"); return (INIT_SUCCEEDED); } void OnDeinit(const int reason) { } //------------------------------------------------------------------ // Custom indicator iteration function //------------------------------------------------------------------ // //--- // #define _setPrice(_priceType,_target,_index) \ { \ switch(_priceType) \ { \ case PRICE_CLOSE: _target = close[_index]; break; \ case PRICE_OPEN: _target = open[_index]; break; \ case PRICE_HIGH: _target = high[_index]; break; \ case PRICE_LOW: _target = low[_index]; break; \ case PRICE_MEDIAN: _target = (high[_index]+low[_index])/2.0; break; \ case PRICE_TYPICAL: _target = (high[_index]+low[_index]+close[_index])/3.0; break; \ case PRICE_WEIGHTED: _target = (high[_index]+low[_index]+close[_index]+close[_index])/4.0; break; \ default : _target = 0; \ }} // //--- // int OnCalculate(if ((( rates_total - 1 > 0) && (time[rates_total - 1] > LastAlertTime)) || ( rates_total - 1 == 0)) { string Text; // Up Arrow Alert if ((arrup[rates_total - 1 - rates_total - 1] > 0) && (( rates_total - 1 > 0) || ((TriggerCandle == 0) && (LastAlertDirection != 1)))) { Text = AlertText + "CCI Arrows: " + Symbol() + " - " + EnumToString(Period()) + " - Up."; if (EnableNativeAlerts) Alert(Text); LastAlertTime = time[rates_total - 1]; LastAlertDirection = 1; } // Down Arrow Alert if ((arrdn[rates_total - 1 - TriggerCandle] > 0) && ((TriggerCandle > 0) || ((TriggerCandle == 0) && (LastAlertDirection != -1)))) { Text = AlertText + "CCI Arrows: " + Symbol() + " - " + EnumToString(Period()) + " - Down."; if (EnableNativeAlerts) Alert(Text); LastAlertTime = time[rates_total - 1]; LastAlertDirection = -1; } } const int rates_total,const int prev_calculated,const datetime &time[], const double &open[], const double &high[], const double &low[], const double &close[], const long &tick_volume[], const long &volume[], const int &spread[]) { static int prev_i=-1; static double prev_max,prev_min; // // // int i= prev_calculated-1; if (i<0) i=0; for (; i<rates_total && !_StopFlag; i++) { double _price; _setPrice(inpPrice,_price,i); if (prev_i!=i) { prev_i = i; int start = i-g_hlPeriod+1; if (start<0) start=0; prev_max = high[ArrayMaximum(high,start,g_hlPeriod-1)]; prev_min = low [ArrayMinimum(low ,start,g_hlPeriod-1)]; } double max = (high > prev_max) ? high : prev_max; double min = (low < prev_min) ? low : prev_min; // //--- // double mltp = (max!=min) ? ((_price-min)-(max-_price))/(max-min) : 1; if (mltp<0) mltp *= -1; double ssc = mltp * ( g_fastEnd-g_slowEnd) + g_slowEnd; // //--- // valf = (i>0) ? valf[i-1]+(ssc*ssc)*(_price-valf[i-1]) : _price; vals = iKama.calculate(_price,i); valfc = valsc = (valf>vals) ? 1 : (valf<vals) ? 2 : (i>0) ? valfc[i-1] : 0; arrup = (i>0 && valfc==1 && valfc!=valfc[i-1]) ? MathMin(vals,low) : EMPTY_VALUE; arrdn = (i>0 && valfc==2 && valfc!=valfc[i-1]) ? MathMax(vals,high) : EMPTY_VALUE; } return(i); } //------------------------------------------------------------------ // Custom functions //------------------------------------------------------------------ // //--- // class CKama { private : int m_period; int m_arraySize; double m_fastEnd; double m_slowEnd; double m_power; struct sKamaStruct { double difference; double noise; double price; double kama; }; sKamaStruct m_array[]; public : CKama() { init(1,2,30,2); return; } ~CKama() { ArrayFree(m_array); return; } // // // bool init(int period, double fastEnd, double slowEnd, double power) { m_period = (period>1) ? period : 1; m_arraySize = m_period+32; m_fastEnd = (2.0 /(fastEnd + 1.0)); m_slowEnd = (2.0 /(slowEnd + 1.0)); m_power = power; if (ArrayResize(m_array,m_arraySize)!=m_arraySize) return(false); return(true); } double calculate (double value, int i) { int _indC = (i )%m_arraySize; int _indP = (i-1)%m_arraySize; m_array[_indC].price = value; m_array[_indC].difference = (i>0) ? value-m_array[_indP].price : 0; if (m_array[_indC].difference<0) m_array[_indC].difference *= -1.0; // // // double signal = 0; if (i>m_period) { int _indF = (i-m_period)%m_arraySize; signal = value-m_array[_indF].price; if (signal<0) signal *= -1.0; m_array[_indC].noise = m_array[_indP].noise + m_array[_indC].difference - m_array[_indF].difference; } else { m_array[_indC].noise = m_array[_indC].difference; for(int k=1; k<m_period && i>=k; k++) m_array[_indC].noise += m_array[i-k].difference; } // // // double efratio = (m_array[_indC].noise!=0) ? signal/m_array[_indC].noise : 1; m_array[_indC].kama = (i>0) ? m_array[_indP].kama+MathPow(efratio*(m_fastEnd-m_slowEnd)+m_slowEnd,m_power)*(value-m_array[_indP].kama) : value; return(m_array[_indC].kama); } }; CKama iKama; //------------------------------------------------------------------
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