fill 3-dimensional array(jagged array) with point data

Question

I do have a 3-dimensional matrix

private int[][][] Matrix

but I dont know how to fill this. the first dimension is for my slices of a picture the second for my x-values of one slice ad the 3rd slice for my y-values.

so das anybody know how to fill this arrays with some data for testing?

thanks

Answer 1

You can do something like this:

Matrix = new int[5][][]; // 5 slices
Matrix[0] = new int[3][]; // 3 x values for the first slice
Matrix[0][0] = new int[2]; // 2 y values for the first x value in the first slice

But I don't think that you should use something like this. It is very error prone.

I suggest something like this:

class Slice
{
    public IList<XValue> XValues {get; set; }
}

class XValue
{
    public IList<YValue> YValues {get; set; }
}

class YValue
{
    // ...
}

var slices = new List<Slice>();

Answer 2

You can use array literals to create arrays of arrays of arrays:

private int[][][] Matrix = {
  {
    {1,2,3},
    {4,5}
  },
  {
    {1,2},
    {3},
    {4,5,6,7,8},
    {9,10}
  },
  {
    {1,2,3}
  }
};

Note that this is a jagged array, so different subarrays can have different number of items. If you want a three dimensional matrix you might want the three dimensional array int[,,] instead of nested one dimensional arrays.