主图指标，EMA12-89交叉指示 mt4指标类型：趋势指标 是否能用在mt4手机版上：否 是否含有未来函数：无 //+------------------------------------------------------------------+ //| EMA-Crossover_Signal.mq4 | //| Copyright ? 2005, Jason Robinson (jnrtrading) | //| http://www.jnrtading.co.uk | //+------------------------------------------------------------------+ /* +------------------------------------------------------------------+ | Allows you to enter two ema periods and it will then show you at | | Which point they crossed over. It is more usful on the shorter | | periods that get obscured by the bars / candlesticks and when | | the zoom level is out. Also allows you then to remove the emas | | from the chart. (emas are initially set at 5 and 6) | +------------------------------------------------------------------+ */ #property copyright "Copyright ? 2005, Jason Robinson (jnrtrading)" #property link "http://www.jnrtrading.co.uk" #property indicator_chart_window #property indicator_buffers 2 #property indicator_color1 Blue #property indicator_color2 Orange double CrossUp; double CrossDown; extern int FasterEMA = 12; extern int SlowerEMA = 89; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int init() { //---- indicators SetIndexStyle(0, DRAW_ARROW, EMPTY); SetIndexArrow(0, 233); SetIndexBuffer(0, CrossUp); SetIndexStyle(1, DRAW_ARROW, EMPTY); SetIndexArrow(1, 234); SetIndexBuffer(1, CrossDown); //---- return(0); } //+------------------------------------------------------------------+ //| Custom indicator deinitialization function | //+------------------------------------------------------------------+ int deinit() { //---- //---- return(0); } //+------------------------------------------------------------------+ //| Custom indicator iteration function | //+------------------------------------------------------------------+ int start() { int limit, i, counter; double fasterEMAnow, slowerEMAnow, fasterEMAprevious, slowerEMAprevious, fasterEMAafter, slowerEMAafter; double Range, AvgRange; 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 = 0; i <= limit; i++) { counter=i; Range=0; AvgRange=0; for (counter=i ;counter<=i+9;counter++) { AvgRange=AvgRange+MathAbs(High[counter]-Low[counter]); } Range=AvgRange/10; fasterEMAnow = iMA(NULL, 0, FasterEMA, 0, MODE_EMA, PRICE_CLOSE, i); fasterEMAprevious = iMA(NULL, 0, FasterEMA, 0, MODE_EMA, PRICE_CLOSE, i+1); fasterEMAafter = iMA(NULL, 0, FasterEMA, 0, MODE_EMA, PRICE_CLOSE, i-1); slowerEMAnow = iMA(NULL, 0, SlowerEMA, 0, MODE_EMA, PRICE_CLOSE, i); slowerEMAprevious = iMA(NULL, 0, SlowerEMA, 0, MODE_EMA, PRICE_CLOSE, i+1); slowerEMAafter = iMA(NULL, 0, SlowerEMA, 0, MODE_EMA, PRICE_CLOSE, i-1); if ((fasterEMAnow > slowerEMAnow) && (fasterEMAprevious < slowerEMAprevious) && (fasterEMAafter > slowerEMAafter)) { CrossUp = Low - Range*0.5; } else if ((fasterEMAnow < slowerEMAnow) && (fasterEMAprevious > slowerEMAprevious) && (fasterEMAafter < slowerEMAafter)) { CrossDown = High + Range*0.5; } } return(0); } em12.jpg