//+------------------------------------------------------------------+
//| ^Dyn_Pivot.mq4 |
//| Modest, Rosh conversed only |
//| http://forexsystems.ru/phpBB/index.php |
//+------------------------------------------------------------------+
#property copyright "Modest, Rosh conversed only"
#property link "http://forexsystems.ru/phpBB/index.php"
#property indicator_chart_window
#property indicator_buffers 1
#property indicator_color1 Blue
//---- input parameters
extern int Formula=0;
extern int lookBack=1;
int i=1, shift;
double FP=0.0;
double FH=0.0, FL=0.0;
bool result;
//---- buffers
double ExtMapBuffer1[];
//+------------------------------------------------------------------+
//| Ïðîâåðêà íîâîãî äíÿ |
//+------------------------------------------------------------------+
bool isNewDay(int _shift)
{
//----
result=false;
if ( (TimeHour(Time[_shift])==0) && (TimeMinute(Time[_shift])==0) ) result=true;
//----
return(result);
}
//+------------------------------------------------------------------+
//| Ïîëó÷èòü óðîâåíü FP ïðîøåäøåãî äíÿ |
//+------------------------------------------------------------------+
double GetFPofDay(int _shift)
{
int prevDay=TimeDay(Time[_shift+1]);
//----
i=1;
while (TimeDay(Time[_shift+i])==prevDay) i++;
i--;
FH=High[Highest(NULL,0,MODE_HIGH,i,_shift+1)];
FL=Low[Lowest(NULL,0,MODE_LOW,i,_shift+1)];
if (Formula==0) FP=NormalizeDouble((FH+FL+Close[_shift+1])/3.0,Digits); else FP=NormalizeDouble((FH+FL+2*Close[_shift+1])/4.0,Digits);
//----
return(FP);
}
//+------------------------------------------------------------------+
//| Ðàáîòà â íóëåâîì áàðå |
//+------------------------------------------------------------------+
void SetNullBarValue(int _shift)
{
int cnt;
int currDay=TimeDay(Time[_shift]);
//----
i=1;
while (TimeDay(Time[_shift+i])==currDay) i++;
if (i>=2)
{
i=i-2;
for (cnt=i;cnt>0;cnt--) ExtMapBuffer1[shift+cnt]=0.0;
FH=High[Highest(NULL,0,MODE_HIGH,i+1,_shift)];
FL=Low[Lowest(NULL,0,MODE_LOW,i+1,_shift)];
if (Formula==0) {
FP=NormalizeDouble((FH+FL+Close[_shift+1])/3.0,Digits);
}else {
FP=NormalizeDouble((FH+FL+2*Close[_shift+1])/4.0,Digits);
}
ExtMapBuffer1[_shift]=FP;
}
//----
return;
}
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
if (Formula!=0)Formula=1;
string label="FP("+Formula+")";
//---- indicators
SetIndexStyle(0,DRAW_SECTION);
SetIndexBuffer(0,ExtMapBuffer1);
SetIndexEmptyValue(0,0.0);
SetIndexLabel(0,label);
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custor indicator deinitialization function |
//+------------------------------------------------------------------+
int deinit()
{
//----
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start()
{
int limit,firstDay;
int counted_bars=IndicatorCounted();
if (counted_bars<0) return(0);
if (counted_bars==0)
{
limit=Bars-1;
i=1;
firstDay=TimeDay(Time[limit]);
while (TimeDay(Time[limit-i])==firstDay) i++;
limit=limit-i-PERIOD_D1/Period();
}
if (counted_bars>0) limit=Bars-counted_bars;
//----
if (Period()>PERIOD_H4) return;
for (shift=limit;shift>=0;shift--) {
if (isNewDay(shift)) {
int slope = findSlope(shift);
switch (slope) {
case 2:
// line sloping up
break;
case 1:
// line sloping down
break;
case -1:
// line is flat
break;
}
ExtMapBuffer1[shift]=GetFPofDay(shift);
} else {
ExtMapBuffer1[shift]=0.0;
}
if (shift==0) {
SetNullBarValue(shift);
}
}
//----
return(0);
}
//+------------------------------------------------------------------+
int findSlope (int i) {
int c, dir=0, lookBack;
for (c=i+lookBack; c>=i; c--) {
if (GetFPofDay(c) < GetFPofDay(c+1) && (dir == 1 || dir==0)) { // sloping down
dir = 1;
} else if (GetFPofDay(c) > GetFPofDay(c+1) && (dir == 1 || dir==0)) { // sloping up
dir = 2;
} else { // no slope
dir = -1;
}
}
return (dir);
}
Sample
Analysis
Market Information Used:
Series array that contains open time of each bar
Series array that contains the highest prices of each bar
Series array that contains the lowest prices of each bar
Series array that contains close prices for each bar
Indicator Curves created:
Implements a curve of type DRAW_SECTION
Indicators Used:
Custom Indicators Used:
Order Management characteristics:
Other Features: