空间数据索引算法(3)

}

}

CompareMorton commor = new CompareMorton();

zpps.Sort(commor);

foreach (PixelPosition_T pp in zpps)

{

double x = rect.Width / order * (pp.Col + 0.5);

double y = rect.Height / order * (pp.Row + 0.5);

Point_T pt = new Point_T(x,y);

pts.Add(pt);

}

return pts;

}

public int[] DecToBir(int dec)//十进制转二进制

{

int[] bir = new int[32];

int tag = 31;

while (dec > 0)

{

bir[tag] = dec % 2;

tag--;

dec = (int)(dec / 2);

}

return bir;

}

public int[] MortonCode(int[] bir1, int[] bir2)//求morton码

{

int[] birmor = new int[64];

for (int i = 31; i >= 0; i--)

{

birmor[2 * i + 1] = bir1[i];

birmor[2 * i] = bir2[i];

}

return birmor;

}

public int BirToDec(int[] bir)//二进制转十进制

{

int dec = 0;

for (int i = 63; i >= 0; i--)

{

dec += (int)(bir[i] * Math.Pow(2, 63 - i));

}

return dec;

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