public void divide(H2D h) {
if (h.getXAxis().getNBins() == this.getXAxis().getNBins()
&& h.getYAxis().getNBins() == this.getYAxis().getNBins()) {
for (int loop = 0; loop < this.hBuffer.length; loop++) {
if (h.hBuffer[loop] == 0) {
this.hBuffer[loop] = 0.0;
} else {
this.hBuffer[loop] = this.hBuffer[loop] / h.hBuffer[loop];
}
}
} else {
System.err.println("[H2D::divide] error the bins in 2d histogram do not match");
}
}
public void add(H2D h) {
if (h.getXAxis().getNBins() == this.getXAxis().getNBins()
&& h.getYAxis().getNBins() == this.getYAxis().getNBins()) {
for (int loop = 0; loop < this.hBuffer.length; loop++) {
this.hBuffer[loop] = this.hBuffer[loop] + h.hBuffer[loop];
}
} else {
System.out.println(
"[warning] ---> error adding histograms "
+ this.getName()
+ " "
+ h.getName()
+ ". inconsistent bin numbers");
}
}
/**
* Specifies the region in the 2D histogram with those attributes
*
* @param name The name of the histogram
* @param bx_start The x coordinate beginning
* @param bx_end The x coordinate end
* @param by_start The y coordinate beginning
* @param by_end The y coordinate end
* @return A 2D histogram with the entered specifications
*/
public H2D getRegion(String name, int bx_start, int bx_end, int by_start, int by_end) {
double xBinWidth = xAxis.getBinWidth(bx_start);
double newXMin = xAxis.min() + (xBinWidth * bx_start);
double newXMax = xAxis.min() + (xBinWidth * bx_end);
double yBinWidth = yAxis.getBinWidth(by_start);
double newYMin = yAxis.min() + (yBinWidth * by_start);
double newYMax = yAxis.min() + (yBinWidth * by_end);
H2D regHist =
new H2D(name, bx_end - bx_start, newXMin, newXMax, by_end - by_start, newYMin, newYMax);
double content = 0.0;
for (int y = by_start; y < by_end; y++) {
for (int x = bx_start; x < bx_end; x++) {
content = this.getBinContent(x, y);
regHist.setBinContent(x, y, content);
}
}
return regHist;
}
