public void add(XYPoint[] point) //向网格中增加雷达数据
{
long x, y, key;
Sum_Point sum;
for (int i = 0; i < point.Length; i++)
{
x = (long)point[i].x / distance;
y = (long)point[i].y / distance;
key = x * tolindex + y;
if (!sumKey.ContainsKey(key))
{
sum = new Sum_Point();
sum.set(point[i]);
pointGrid.Add(key, sum);
sumKey.Add(key, key);
keyStack.Push(key);
}
else
{
sum = pointGrid[key];
sum.add(point[i]);
pointGrid[key] = sum;
}
}
}
void sumPoint() //计算点的平均值
{
long key;
Sum_Point xp, yp;
foreach (long k in pointGrid.Keys)
{
yp = pointGrid[k];
key = sumKey[k];
if (nowlist.ContainsKey(key))
{
xp = nowlist[key];
xp.add(yp);
nowlist[key] = xp;
}
else
{
xp = new Sum_Point();
xp.set(yp);
nowlist.Add(key, xp);
}
}
}
public void add(Sum_Point point) //将point的值纳入平均计算中
{
x = (x * num + point.x * point.num) / (num + point.num);
y = (y * num + point.y * point.num) / (num + point.num);
num = num + point.num;
}
public void set(Sum_Point point)
{
x = point.x;
y = point.y;
num = point.num;
}