}//CheckRange操作
protected int FindXLeft(Int16Triple p)
{
int xleft = p.X - 1;
while (true)
{
if (xleft == -1 || flagsMap.GetFlagOn(xleft, p.Y, p.Z))
{
break;
}
else
{
byte value = bmp.GetPixel(xleft, p.Y, p.Z);
if (IncludePredicate(xleft, p.Y, p.Z))
{
Int16Triple t = new Int16Triple(xleft, p.Y, p.Z);
flagsMap.SetFlagOn(xleft, p.Y, p.Z, true);
Process(t);
xleft--;
}
else
{
break;
}
}
}
return(xleft + 1);
}//FindXLeft操作
public virtual bool IsInside(int x, int y, int z)
{
if (x <= 0 || y <= 0 || z <= 0 || x > bmp.width || y > bmp.height || z > bmp.depth)
{
return(false);
}
else
{
return(bmp.GetPixel(x, y, z) == BitMap3d.WHITE);
}
}//judge if a voxel is inside the surface
internal static BitMap3d GetLayers(BitMap3d bmp, int p1, int p2)
{
BitMap3d bmp2 = new BitMap3d(bmp.width, bmp.height, p2 - p1 + 1, 0);
for (int i = 0; i < bmp.width; i++)
{
for (int j = 0; j < bmp.height; j++)
{
for (int k = p1; k <= p2; k++)
{
bmp2.SetPixel(i, j, k - p1, bmp.GetPixel(i, j, k));
}
}
}
return(bmp2);
}
protected bool IncludePredicate(int x, int y, int z)
{
byte v = bmp.GetPixel(x, y, z);
return(v > min && v < max);
}
protected bool IncludePredicate(Int16Triple p)
{
byte v = bmp.GetPixel(p.X, p.Y, p.Z);
return(v > min && v < max);
}
private bool IsWhite(int x, int y, int z)
{
return(bmp.GetPixel(x, y, z) == BitMap3d.WHITE);
}