转换图像并另存为字节数组

Question

I would like to convert simple picture to byte array and then save this array to .txt I tried to do this but I'm lost.. I can't convert this ... I would like to have array and at the place where are figures in my array should appear 1. If there is nothing should be 0.

 public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            Image image = Image.FromFile(@"D:\Stackimage\1.png");
            var ms = new MemoryStream();

            image.Save(ms, System.Drawing.Imaging.ImageFormat.Png);

            var bytes = ms.ToArray();



            string[] tab = new string[1000000];

            for (int i = 0; i < 1000000; i++)
            {

                tab[i] = "" + bytes;
            }
            MessageBox.Show("start");
            using (System.IO.StreamWriter writer = new System.IO.StreamWriter(@"D:\data.txt"))
            {
                foreach (string elem in tab)
                {
                    writer.WriteLine(elem);
                }
            }
            MessageBox.Show("stop");
        }

I add here my image. My picture

Answer 1

I see what you are trying to do. A similar approach is used in terrain rendering with an heightMap. The idea is to map an image as grey scale into a text file, which in turn is used to generate the height of a terrain.

In your case you can just map it as 0s and 1s(where 1s is the colour of your obstacles).

You can then upload the mapped text file into a 2D array which will be your map bird-eye view.

As the bot moves across the scene you can detect whether it can safely move or not by checking the current position on the 2D array map.

Hope it helps.