public ArrayList<H1D> getSlicesY() { ArrayList<H1D> slices = new ArrayList<H1D>(); for (int loop = 0; loop < this.getYAxis().getNBins(); loop++) { H1D slice = this.sliceY(loop); slice.setName(this.getName() + "_" + loop); slices.add(slice); } return slices; }
/** * Creates a 1-D Histogram slice of the specified y Bin * * @param xBin the bin on the y axis to create a slice of * @return a slice of the x bins on the specified y bin as a 1-D Histogram */ public H1D sliceX(int xBin) { String name = "Slice of " + xBin + " X Bin"; double xMin = yAxis.min(); double xMax = yAxis.max(); int xNum = yAxis.getNBins(); H1D sliceX = new H1D(name, name, xNum, xMin, xMax); for (int x = 0; x < xNum; x++) { sliceX.setBinContent(x, this.getBinContent(xBin, x)); } return sliceX; }
/** * Creates a 1-D Histogram slice of the specified x Bin * * @param yBin the bin on the x axis to create a slice of * @return a slice of the y bins on the specified x bin as a 1-D Histogram */ public H1D sliceY(int yBin) { String name = "Slice of " + yBin + " Y Bin"; double xMin = xAxis.min(); double xMax = xAxis.max(); int xNum = xAxis.getNBins(); H1D sliceY = new H1D(name, name, xNum, xMin, xMax); for (int y = 0; y < xNum; y++) { sliceY.setBinContent(y, this.getBinContent(y, yBin)); } return sliceY; }
/** * Creates a projection of the 2D histogram onto the Y Axis, adding up all the x bins for each y * bin * * @return a H1D object that is a projection of the Histogram2D object onto the y-axis */ public H1D projectionY() { String name = "Y Projection"; double yMin = yAxis.min(); double yMax = yAxis.max(); int yNum = yAxis.getNBins(); H1D projY = new H1D(name, yNum, yMin, yMax); double height = 0.0; for (int y = 0; y < yAxis.getNBins(); y++) { height = 0.0; for (int x = 0; x < xAxis.getNBins(); x++) { height += this.getBinContent(x, y); } projY.setBinContent(y, height); } return projY; }
/** * Creates a projection of the 2D histogram onto the X Axis, adding up all the y bins for each x * bin * * @return a H1D object that is a projection of the Histogram2D object onto the x-axis */ public H1D projectionX() { String name = "X Projection"; double xMin = xAxis.min(); double xMax = xAxis.max(); int xNum = xAxis.getNBins(); H1D projX = new H1D(name, xNum, xMin, xMax); double height = 0.0; for (int x = 0; x < xAxis.getNBins(); x++) { height = 0.0; for (int y = 0; y < yAxis.getNBins(); y++) { height += this.getBinContent(x, y); } projX.setBinContent(x, height); } return projX; }