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//+------------------------------------------------------------------+
//| SuperTrend.mq5 |
//| eATR + 2x Offset ver |
//+------------------------------------------------------------------+
#property copyright "Copyright 2011, FxGeek"
#property link "http://www.mql5.com"
#property version "1.06"
#property indicator_chart_window
// プロット:
// 0 = Filling
// 1 = SuperTrend
// 2 = TrendFlag (データウィンドウ用)
// 3 = SuperTrend Offset1
// 4 = SuperTrend Offset2
#property indicator_plots 5
// バッファ数
// Filling×2 + SuperTrend×2 + TrendFlag×1 + Offset1×1 + Offset2×1 + 計算用5 = 12
#property indicator_buffers 12
// Plot0: Filling
#property indicator_label1 "Filling"
#property indicator_type1 DRAW_FILLING
#property indicator_color1 clrGray, clrGray
// Plot1: SuperTrend (カラーライン)
#property indicator_label2 "SuperTrend"
#property indicator_type2 DRAW_COLOR_LINE
#property indicator_color2 clrGreen, clrRed, clrNONE
#property indicator_width2 2
// Plot2: TrendFlag(描画なし・データウィンドウ表示のみ)
#property indicator_label3 "TrendFlag (Up=1,Down=0)"
#property indicator_type3 DRAW_NONE
#property indicator_color3 clrWhite
#property indicator_width3 1
// Plot3: OffsetLine1(固定色ライン)
#property indicator_label4 "SuperTrend Offset1"
#property indicator_type4 DRAW_LINE
#property indicator_style4 STYLE_DOT
#property indicator_color4 clrDimGray
#property indicator_width4 1
// Plot4: OffsetLine2(固定色ライン)
#property indicator_label5 "SuperTrend Offset2"
#property indicator_type5 DRAW_LINE
#property indicator_style5 STYLE_DOT
#property indicator_color5 clrSlateGray
#property indicator_width5 1
// 中央値の計算方法
enum ENUM_MIDDLE_TYPE
{
MIDDLE_OPEN, // 始値
MIDDLE_HIGH, // 高値
MIDDLE_LOW, // 安値
MIDDLE_CLOSE, // 終値
MIDDLE_HL, // 高値+安値の平均
MIDDLE_HLC, // 高値+安値+終値の平均
MIDDLE_OHLC, // 始値+高値+安値+終値の平均
MIDDLE_HLCC // 高値+安値+終値x2の平均
};
input int Periode = 10;
input double Multiplier = 2.0;
input bool Show_Filling = false; // DRAW_FILLINGのON/OFF
input ENUM_MIDDLE_TYPE MiddleType = MIDDLE_HLCC; // 中央値の計算方法
// オフセット設定(2本分)
input double offsetpips1 = 80.0; // オフセット1(pips). 0以下なら Offset1 非表示
input bool offset1_reverse = true; // true: 方向を逆にする(買い=上, 売り=下 など)
input double offsetpips2 = 120.0; // オフセット2(pips). 0以下なら Offset2 非表示
input bool offset2_reverse = false; // true: 方向を逆にする
//--- バッファ(プロット順に並べる)
double Filled_a[]; // Plot0 buf#0
double Filled_b[]; // Plot0 buf#1
double SuperTrend[]; // Plot1 buf#2 (data)
double ColorBuffer[]; // Plot1 buf#3 (color index)
double TrendFlag[]; // Plot2 buf#4 (Up=1/Down=0)
double OffsetLine1[]; // Plot3 buf#5 (data)
double OffsetLine2[]; // Plot4 buf#6 (data)
// 計算用(データウィンドウ非表示)
double Atr[]; // buf#7 ← eATR(EMA ATR)
double Up[]; // buf#8
double Down[]; // buf#9
double Middle[]; // buf#10
double trend[]; // buf#11
int changeOfTrend;
int flag;
int flagh;
//+------------------------------------------------------------------+
//| 1pip の価格差を返すヘルパ |
//+------------------------------------------------------------------+
double PipPoint(string Currency)
{
// GOLD(XAUUSDなど)の場合は必要に応じて調整
if (Currency == "XAUUSD" || Currency == "GOLD")
{
return (0.1);
}
int SymbolDigits = (int)SymbolInfoInteger(Currency, SYMBOL_DIGITS);
switch (SymbolDigits)
{
case 2:
return (0.01);
case 3:
return (0.01);
case 4:
return (0.0001);
case 5:
return (0.0001);
}
return (0.0); // 不明な場合
}
//+------------------------------------------------------------------+
//| OnInit |
//+------------------------------------------------------------------+
int OnInit()
{
// プロット用バッファ
SetIndexBuffer(0, Filled_a, INDICATOR_DATA); // Plot0
SetIndexBuffer(1, Filled_b, INDICATOR_DATA); // Plot0
SetIndexBuffer(2, SuperTrend, INDICATOR_DATA); // Plot1 data
SetIndexBuffer(3, ColorBuffer, INDICATOR_COLOR_INDEX); // Plot1 color
SetIndexBuffer(4, TrendFlag, INDICATOR_DATA); // Plot2
SetIndexBuffer(5, OffsetLine1, INDICATOR_DATA); // Plot3
SetIndexBuffer(6, OffsetLine2, INDICATOR_DATA); // Plot4
// 計算用バッファ
SetIndexBuffer(7, Atr, INDICATOR_CALCULATIONS);
SetIndexBuffer(8, Up, INDICATOR_CALCULATIONS);
SetIndexBuffer(9, Down, INDICATOR_CALCULATIONS);
SetIndexBuffer(10, Middle, INDICATOR_CALCULATIONS);
SetIndexBuffer(11, trend, INDICATOR_CALCULATIONS);
return (INIT_SUCCEEDED);
}
//+------------------------------------------------------------------+
//| OnCalculate |
//+------------------------------------------------------------------+
int OnCalculate(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[])
{
if (rates_total <= Periode + 2)
return (prev_calculated); // バッファ不足時は何もしない
//=================================================================
// (1) eATR を内部計算(True Range → EMA
//=================================================================
double alpha = 2.0 / (Periode + 1.0); // EMA係数
// series配列(0=最新, rates_total-1=最古)
for (int i = rates_total - 1; i >= 0; i--)
{
double tr;
if (i == rates_total - 1)
{
// 一番古いバー: 前日終値がないので High-Low のみ
tr = high[i] - low[i];
Atr[i] = tr; // 初期値
}
else
{
double range1 = high[i] - low[i];
double range2 = MathAbs(high[i] - close[i + 1]);
double range3 = MathAbs(low[i] - close[i + 1]);
tr = MathMax(range1, MathMax(range2, range3));
Atr[i] = alpha * tr + (1.0 - alpha) * Atr[i + 1];
}
}
//=================================================================
// (2) SuperTrend 本体計算
//=================================================================
int first;
if (prev_calculated > rates_total || prev_calculated <= 0)
{
first = Periode;
// 初期区間は未定義表示にしておく
for (int k = 0; k < first && k < rates_total; ++k)
{
Filled_a[k] = EMPTY_VALUE;
Filled_b[k] = EMPTY_VALUE;
SuperTrend[k] = EMPTY_VALUE;
TrendFlag[k] = EMPTY_VALUE;
OffsetLine1[k] = EMPTY_VALUE;
OffsetLine2[k] = EMPTY_VALUE;
}
}
else
{
first = prev_calculated - 1;
}
const double pip = PipPoint(_Symbol);
// 本体ループ
for (int i = first; i < rates_total && !IsStopped(); i++)
{
// --- 中央値 -------------------------------------------------
switch (MiddleType)
{
case MIDDLE_OPEN:
Middle[i] = open[i];
break;
case MIDDLE_HIGH:
Middle[i] = high[i];
break;
case MIDDLE_LOW:
Middle[i] = low[i];
break;
case MIDDLE_CLOSE:
Middle[i] = close[i];
break;
case MIDDLE_HL:
Middle[i] = (high[i] + low[i]) / 2.0;
break;
case MIDDLE_HLC:
Middle[i] = (high[i] + low[i] + close[i]) / 3.0;
break;
case MIDDLE_OHLC:
Middle[i] = (open[i] + high[i] + low[i] + close[i]) / 4.0;
break;
case MIDDLE_HLCC:
Middle[i] = (high[i] + low[i] + 2.0 * close[i]) / 4.0;
break;
}
// --- eATR を使用した Up/Down バンド ------------------------
Up[i] = Middle[i] + (Multiplier * Atr[i]);
Down[i] = Middle[i] - (Multiplier * Atr[i]);
// --- トレンド判定 ------------------------------------------
if (close[i] > Up[i - 1])
{
trend[i] = 1;
if (trend[i - 1] == -1)
changeOfTrend = 1;
}
else if (close[i] < Down[i - 1])
{
trend[i] = -1;
if (trend[i - 1] == 1)
changeOfTrend = 1;
}
else if (trend[i - 1] == 1)
{
trend[i] = 1;
changeOfTrend = 0;
}
else if (trend[i - 1] == -1)
{
trend[i] = -1;
changeOfTrend = 0;
}
// --- 交差フラグ --------------------------------------------
flag = (trend[i] < 0 && trend[i - 1] > 0) ? 1 : 0;
flagh = (trend[i] > 0 && trend[i - 1] < 0) ? 1 : 0;
// --- バンドの継続補正 --------------------------------------
if (trend[i] > 0 && Down[i] < Down[i - 1])
Down[i] = Down[i - 1];
if (trend[i] < 0 && Up[i] > Up[i - 1])
Up[i] = Up[i - 1];
if (flag == 1)
Up[i] = Middle[i] - (-Multiplier * Atr[i]); // = Middle + Multiplier*ATR
if (flagh == 1)
Down[i] = Middle[i] + (-Multiplier * Atr[i]); // = Middle - Multiplier*ATR
// --- SuperTrend と色 ----------------------------------------
if (trend[i] == 1)
{
SuperTrend[i] = Down[i];
if (changeOfTrend == 1)
{
SuperTrend[i - 1] = SuperTrend[i - 2];
OffsetLine1[i - 1] = OffsetLine1[i - 2];
OffsetLine2[i - 1] = OffsetLine2[i - 2];
changeOfTrend = 0;
ColorBuffer[i] = 2.0; // 無色
ColorBuffer[i - 1] = 2.0; // 無色
}
else
{
ColorBuffer[i] = 0.0; // Green
}
}
else // trend[i] == -1
{
SuperTrend[i] = Up[i];
if (changeOfTrend == 1)
{
SuperTrend[i - 1] = SuperTrend[i - 2];
OffsetLine1[i - 1] = OffsetLine1[i - 2];
OffsetLine2[i - 1] = OffsetLine2[i - 2];
changeOfTrend = 0;
ColorBuffer[i] = 2.0; // 無色
ColorBuffer[i - 1] = 2.0; // 無色
}
else
{
ColorBuffer[i] = 1.0; // Red
}
}
// --- TrendFlag: Up=1 / Down=0 ------------------------------
TrendFlag[i] = (trend[i] == 1) ? 1.0 : 0.0;
// --- OffsetLine1offsetpips1<=0なら非表示) ---------------
if (offsetpips1 > 0.0)
{
double dir1;
if (trend[i] == 1) // 買いトレンド
dir1 = offset1_reverse ? 1.0 : -1.0;
else // 売りトレンド
dir1 = offset1_reverse ? -1.0 : 1.0;
OffsetLine1[i] = SuperTrend[i] + dir1 * offsetpips1 * pip;
}
else
{
OffsetLine1[i] = EMPTY_VALUE;
}
// --- OffsetLine2offsetpips2<=0なら非表示) ---------------
if (offsetpips2 > 0.0)
{
double dir2;
if (trend[i] == 1) // 買いトレンド
dir2 = offset2_reverse ? 1.0 : -1.0;
else // 売りトレンド
dir2 = offset2_reverse ? -1.0 : 1.0;
OffsetLine2[i] = SuperTrend[i] + dir2 * offsetpips2 * pip;
}
else
{
OffsetLine2[i] = EMPTY_VALUE;
}
// --- Filling の可否 ----------------------------------------
if (Show_Filling)
{
Filled_a[i] = SuperTrend[i];
Filled_b[i] = close[i];
}
else
{
Filled_a[i] = EMPTY_VALUE;
Filled_b[i] = EMPTY_VALUE;
}
}
return (rates_total);
}
//+------------------------------------------------------------------+