ElevationCell CreateElevationCell(byte[] data, int begin)
{
int elIndex = 0;
int pos = begin;
//计算仰角单元编号
for (int i = 0; i < ElevationCell.HeadLength; i++)
{
elIndex = elIndex << 8;
elIndex += data[pos++];
}
ElevationCell elCell = new ElevationCell(elIndex);
//生成距离单元
for (int i = 0; i < ElevationCell.DistanceCellsCount; i++)
{
DistanceCell cell = new DistanceCell(data, pos);
pos += DistanceCell.TotalLength;
if (Pass(cell))
{
elCell.AddDistanceCell(cell);
}
}
return(elCell);
}
public AzimuthCell CreateAzimuthCell(byte[] data)
{
int index = 0;
int pos = 0;
//计算方位单元编号
for (int i = 0; i < AzimuthCell.HeadLength; i++)
{
index = index << 8;
index += data[pos++];
}
AzimuthCell azCell = new AzimuthCell(index);
for (int i = 0; i < AzimuthCell.ElevationCellsCount; i++)
{
ElevationCell elCell = CreateElevationCell(data, pos);
azCell.AddElevationCell(elCell);
pos += ElevationCell.TotalLength;
}
return(azCell);
}
ElevationCell CreateElevationCell(byte[] data) //基于数组拷贝的算法
{
int elIndex = data[0]; //第一个8位为仰角单元编号
ElevationCell elCell = new ElevationCell(elIndex);
int pos = ElevationCell.HeadLength; //从取完仰角包头的位置开始创建距离单元
byte[] tmp = new byte[DistanceCell.TotalLength]; //存放一个距离单元数据的缓存
for (int i = 0; i < ElevationCell.DistanceCellsCount; i++) //根据一个仰角单元包含的距离单元的个数，循环创建距离单元
{
System.Buffer.BlockCopy(data, pos, tmp, 0, tmp.Length);
//创建距离单元对象
DistanceCell cell = new DistanceCell(tmp);
if (Pass(cell))
{
elCell.AddDistanceCell(cell);
}
pos += DistanceCell.TotalLength; //指向下一距离单元
}
return(elCell);
}
public void AddElevationCell(ElevationCell cell)
{
elCells.Add(cell);
}