private IEnumerable <Box> SplitData(ref int colorCount, ColorData data)
{
--colorCount;
var next = 0;
var volumeVariance = new float[MaxColor];
var cubes = new Box[MaxColor];
cubes[0].AlphaMaximum = MaxSideIndex;
cubes[0].RedMaximum = MaxSideIndex;
cubes[0].GreenMaximum = MaxSideIndex;
cubes[0].BlueMaximum = MaxSideIndex;
for (var cubeIndex = 1; cubeIndex < colorCount; ++cubeIndex)
{
if (Cut(data, ref cubes[next], ref cubes[cubeIndex]))
{
volumeVariance[next] = cubes[next].Size > 1 ? CalculateVariance(data, cubes[next]) : 0.0f;
volumeVariance[cubeIndex] = cubes[cubeIndex].Size > 1 ? CalculateVariance(data, cubes[cubeIndex]) : 0.0f;
}
else
{
volumeVariance[next] = 0.0f;
cubeIndex--;
}
next = 0;
var temp = volumeVariance[0];
for (var index = 1; index <= cubeIndex; ++index)
{
if (volumeVariance[index] <= temp)
{
continue;
}
temp = volumeVariance[index];
next = index;
}
if (temp > 0.0)
{
continue;
}
colorCount = cubeIndex + 1;
break;
}
return(cubes.Take(colorCount).ToList());
}
private static Box[] SplitData(ref int colorCount, int maxColors, ColorMoment[, , ,] moments)
{
--colorCount;
var next = 0;
var volumeVariance = new float[maxColors];
var cubes = new Box[maxColors];
cubes[0].AlphaMaximum = MaxSideIndex;
cubes[0].RedMaximum = MaxSideIndex;
cubes[0].GreenMaximum = MaxSideIndex;
cubes[0].BlueMaximum = MaxSideIndex;
for (var cubeIndex = 1; cubeIndex < colorCount; ++cubeIndex)
{
if (Cut(moments, ref cubes[next], ref cubes[cubeIndex]))
{
volumeVariance[next] = cubes[next].Size > 1 ? CalculateVariance(moments, cubes[next]) : 0.0f;
volumeVariance[cubeIndex] = cubes[cubeIndex].Size > 1 ? CalculateVariance(moments, cubes[cubeIndex]) : 0.0f;
}
else
{
volumeVariance[next] = 0.0f;
cubeIndex--;
}
next = 0;
var temp = volumeVariance[0];
for (var index = 1; index <= cubeIndex; ++index)
{
if (volumeVariance[index] <= temp)
{
continue;
}
temp = volumeVariance[index];
next = index;
}
if (temp > 0.0)
{
continue;
}
colorCount = cubeIndex + 1;
break;
}
return(cubes.Take(colorCount).ToArray());
}
private static Box[] SplitData(ref int colorCount, int maxColors, ColorMoment[, , ,] moments)
{
--colorCount;
var next = 0;
var volumeVariance = new float[maxColors];
var cubes = new Box[maxColors];
cubes[0].AlphaMaximum = MaxSideIndex;
cubes[0].RedMaximum = MaxSideIndex;
cubes[0].GreenMaximum = MaxSideIndex;
cubes[0].BlueMaximum = MaxSideIndex;
for (var cubeIndex = 1; cubeIndex < colorCount; ++cubeIndex)
{
if (Cut(moments, ref cubes[next], ref cubes[cubeIndex]))
{
volumeVariance[next] = cubes[next].Size > 1 ? CalculateVariance(moments, cubes[next]) : 0.0f;
volumeVariance[cubeIndex] = cubes[cubeIndex].Size > 1 ? CalculateVariance(moments, cubes[cubeIndex]) : 0.0f;
}
else
{
volumeVariance[next] = 0.0f;
cubeIndex--;
}
next = 0;
var temp = volumeVariance[0];
for (var index = 1; index <= cubeIndex; ++index)
{
if (volumeVariance[index] <= temp) continue;
temp = volumeVariance[index];
next = index;
}
if (temp > 0.0) continue;
colorCount = cubeIndex + 1;
break;
}
return cubes.Take(colorCount).ToArray();
}
private static IList<Box> SplitData(ref int colorCount, ColorData data)
{
--colorCount;
var next = 0;
var volumeVariance = new float[MaxColor];
var cubes = new Box[MaxColor];
cubes[0].AlphaMaximum = MaxSideIndex;
cubes[0].RedMaximum = MaxSideIndex;
cubes[0].GreenMaximum = MaxSideIndex;
cubes[0].BlueMaximum = MaxSideIndex;
for (var cubeIndex = 1; cubeIndex < colorCount; ++cubeIndex)
{
if (Cut(data, ref cubes[next], ref cubes[cubeIndex]))
{
volumeVariance[next] = cubes[next].Size > 1 ? CalculateVariance(data, cubes[next]) : 0.0f;
volumeVariance[cubeIndex] = cubes[cubeIndex].Size > 1 ? CalculateVariance(data, cubes[cubeIndex]) : 0.0f;
}
else
{
volumeVariance[next] = 0.0f;
cubeIndex--;
}
next = 0;
var temp = volumeVariance[0];
for (var index = 1; index <= cubeIndex; ++index)
{
if (volumeVariance[index] <= temp) continue;
temp = volumeVariance[index];
next = index;
}
if (temp > 0.0) continue;
colorCount = cubeIndex + 1;
break;
}
return cubes.Take(colorCount).ToList();
}
