/*********************************Provided By: eSignal (Copyright c eSignal), a division of Interactive Data Corporation. 2009. All rights reserved. This sample eSignal Formula Script (EFS) is for educational purposes only and may be modified and saved under a new file name. eSignal is not responsible for the functionality once modified. eSignal reserves the right to modify and overwrite this EFS file with each new release.Description: MA Percent Channel Version: 1.0 06/25/2009 Formula Parameters: Default: MA Method SMA MA Price Source CLOSE Length 55 Shift 0 Deviation 1 Notes: **********************************/var fpArray = new Array();var bInit = false;function preMain(){ setPriceStudy(true); setShowCursorLabel(true); setShowTitleParameters(false); setStudyTitle("MA Percent Channel"); setCursorLabelName("U1", 0); setDefaultBarFgColor(Color.blue, 0); setPlotType(PLOTTYPE_LINE, 0); setDefaultBarThickness(1, 0); setCursorLabelName("U2", 1); setDefaultBarFgColor(Color.blue, 1); setPlotType(PLOTTYPE_LINE, 1); setDefaultBarThickness(1, 1); setCursorLabelName("U3", 2); setDefaultBarFgColor(Color.blue, 2); setPlotType(PLOTTYPE_LINE, 2); setDefaultBarThickness(2, 2); setCursorLabelName("D1", 3); setDefaultBarFgColor(Color.red, 3); setPlotType(PLOTTYPE_LINE, 3); setDefaultBarThickness(1, 3); setCursorLabelName("D2", 4); setDefaultBarFgColor(Color.red, 4); setPlotType(PLOTTYPE_LINE, 4); setDefaultBarThickness(1, 4); setCursorLabelName("D3", 5); setDefaultBarFgColor(Color.red, 5); setPlotType(PLOTTYPE_LINE, 5); setDefaultBarThickness(2, 5); setCursorLabelName("LB", 6); setDefaultBarFgColor(Color.green, 6); setPlotType(PLOTTYPE_LINE, 6); setDefaultBarThickness(2, 6); var x = 0; fpArray[x] = new FunctionParameter("Length", FunctionParameter.NUMBER); with(fpArray[x++]) { setLowerLimit(1); setDefault(55); } fpArray[x] = new FunctionParameter("Shift", FunctionParameter.NUMBER); with(fpArray[x++]) { setLowerLimit(0); setDefault(0); } fpArray[x] = new FunctionParameter("Deviation", FunctionParameter.NUMBER); with(fpArray[x++]) { setLowerLimit(1); setDefault(1); } fpArray[x] = new FunctionParameter("sMAType", FunctionParameter.STRING); with(fpArray[x++]) { setName("MA Method"); addOption("sma"); addOption("ema"); addOption("wma"); addOption("vwma"); setDefault("sma"); } fpArray[x] = new FunctionParameter("sMAPriceSource", FunctionParameter.STRING); with(fpArray[x++]) { setName("MA Price Source"); addOption("open"); addOption("high"); addOption("low"); addOption("close"); addOption("hl2"); addOption("hlc3"); addOption("ohlc4"); setDefault("close"); }}var xMA = null;function main(sMAType, sMAPriceSource, Length, Shift, Deviation) {var nBarState = getBarState();var nMA1 = 0;var nMA2 = 0;var nMA3 = 0;var nMA4 = 0;var nMA5 = 0;var nMA6 = 0;var nMA7 = 0; if (nBarState == BARSTATE_ALLBARS) { if(Length == null) Length = 55; if(Shift == null) Shift = 0; if(Deviation == null) Deviation = 1; if(sMAType == null) sMAType = "sma"; if(sMAPriceSource == null) sMAPriceSource = "close"; } if (bInit == false) { xMA = eval(sMAType)(Length, eval(sMAPriceSource)()); bInit = true; } nMA7 = xMA.getValue(-Shift); if (nMA7 == null) return; nMA1 = (1 + Deviation * 0.382 / 100) * nMA7; nMA4 = (1 - Deviation * 0.382 / 100) * nMA7; nMA2 = (1 + Deviation * 0.618 / 100) * nMA7; nMA5 = (1 - Deviation * 0.618 / 100) * nMA7; nMA3 = (1 + Deviation / 100) * nMA7; nMA6 = (1 - Deviation / 100) * nMA7; return new Array(nMA1, nMA2, nMA3, nMA4, nMA5, nMA6, nMA7);} |
