public void addValue(long x, double y) {
// calculate the bar in which this value should go
int bar = (int) (x / barsize);
double Y = y;
if (ysum.containsKey(bar)) {
double newyvalue = Y + ysum.get(bar);
long newxvalue = x + xsum.get(bar);
Integer newcount = count.get(bar) + 1;
ysum.put(bar, newyvalue);
xsum.put(bar, newxvalue);
count.put(bar, newcount);
Vector<Double> barvalues = values.get(bar);
barvalues.add(Y);
values.put(bar, barvalues);
} else {
ysum.put(bar, Y);
xsum.put(bar, x);
count.put(bar, 1);
Vector<Double> barvalues = new Vector<Double>();
barvalues.add(Y);
values.put(bar, barvalues);
}
}
