/// <summary>
/// Get the needed data of the file
/// </summary>
/// <param name="file">The file to use</param>
/// <param name="type">Type of the file</param>
/// <returns></returns>
private string GenerateData(string file, ImageType type)
{
try
{
Bitmap bitmap = new Bitmap(file);
Histogram h = new Histogram(bitmap);
long[] a = h.GetData("LUM");
bitmap.Dispose();
String output = "";
foreach (long i in a)
{
output += i + ",";
}
output += type.ToString();
filesDone++;
PartProcessed?.Invoke(filesDone + "/" + this.fileAmount + " Added " + file);
return(output);
}
catch (Exception e)
{
filesDone++;
PartProcessed?.Invoke(filesDone + "/" + this.fileAmount + " Error using " + file);
Console.WriteLine("Error making histogram from image " + e);
return(null);
}
}
/// <summary>
/// Create a basic weka file
/// </summary>
private void CreateFile()
{
using (StreamWriter file = File.AppendText(Location))
{
file.WriteLine("@relation ClipartClassifier");
for (int i = 0; i <= 255; i++)
{
file.WriteLine("@attribute " + i + " numeric");
}
file.WriteLine("@attribute type {Clipart, Normal}");
file.WriteLine("@DATA");
}
PartProcessed?.Invoke("Created file at " + Location);
}
/// <summary>
/// generate the data using the files in the lists
/// </summary>
public void Generate()
{
CreateFile();
this.filesDone = 0;
this.fileAmount = this.Files[ImageType.Normal].Count + this.Files[ImageType.Clipart].Count;
foreach (string file in this.Files[ImageType.Normal])
{
AddDataToFile(GenerateData(file, ImageType.Normal));
}
foreach (string file in this.Files[ImageType.Clipart])
{
AddDataToFile(GenerateData(file, ImageType.Clipart));
}
PartProcessed?.Invoke("Finished");
}
