Question

我有这样的反对。

GrayScale = new float[,] {
    {  0.3f,  0.3f,  0.3f,  0.0f,  0.0f },
    {  0.6f,  0.6f,  0.6f,  0.0f,  0.0f },
    {  0.1f,  0.1f,  0.1f,  0.0f,  0.0f },
    {  0.0f,  0.0f,  0.0f,  1.0f,  0.0f },
    {  0.0f,  0.0f,  0.0f,  0.0f,  1.0f }
};

我只想这样说:

var greyScale = new MAGCOLOREFFECT
{
    transform = new[] {
        0.3f,  0.3f,  0.3f,  0.0f,  0.0f,
        0.6f,  0.6f,  0.6f,  0.0f,  0.0f,
        0.1f,  0.1f,  0.1f,  0.0f,  0.0f,
        0.0f,  0.0f,  0.0f,  1.0f,  0.0f,
        0.0f,  0.0f,  0.0f,  0.0f,  1.0f
    }
};

Answer 1

如果你想要将2D阵列划为1D,那么你可以使用。 Cast meth from System.Linq:

using System.Linq;

// ...

var grayScale = new float[,] {
        {  0.3f,  0.3f,  0.3f,  0.0f,  0.0f },
        {  0.6f,  0.6f,  0.6f,  0.0f,  0.0f },
        {  0.1f,  0.1f,  0.1f,  0.0f,  0.0f },
        {  0.0f,  0.0f,  0.0f,  1.0f,  0.0f },
        {  0.0f,  0.0f,  0.0f,  0.0f,  1.0f }
    };

float[] flat = grayScale.Cast<float>().ToArray();

Console.WriteLine("[{0}]", string.Join(", ", flat));

Output:

[0.3, 0.3, 0.3, 0, 0, 0.6, 0.6, 0.6, 0, 0, 0.1, 0.1, 0.1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1]

Answer 2

In order to convert a 2 dimensional array to one dimensional array without using any namespace or with simple code logic that could work in every programming language is below -

/* Variable Declaration */
int m, n;
int[,] a= new int[,] {
    {  3,  7,  9,  4,  2 },
    {  6,  88,  9,  1,  22 },
};
int[] b;
int k = 0;

for (int i = 0; i < m; i++)
{
    for (int j = 0; j < n; j++)
    {
       b[k++] = a[i, j];
    }
 }

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