public static void normalize(this int[, ,] array, int top)
{
for (int i = 0; i < array.GetLength(0); i++)
{
int maxValue = array.maxValue(i);
for (int j = 0; j < array.GetLength(1); j++)
{
for (int k = 0; k < array.GetLength(2); k++)
{
array[i, j, k] = (int)((double)array[i, j, k] / (double)maxValue * (double)top);
}
}
}
}