private void saveWeightDataToolStripMenuItem_Click(object sender, EventArgs e)
{
//open save dialogue
string fileName = string.Empty;
SaveFileDialog saveFileDialog = new SaveFileDialog();
saveFileDialog.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.Personal);
saveFileDialog.Filter = "Training Data (*.csv)|*.csv|All Files (*.*)|*.*";
if (saveFileDialog.ShowDialog(this) == DialogResult.OK)
{
fileName = saveFileDialog.FileName;
}
//need to get active form
Hopfield frm = (Hopfield)this.ActiveMdiChild;
Matrix data = frm.Pattern;
//StringBuilder csv = new StringBuilder();
string csv = data.ToString("f0", ",", "\r\n");
//Write csv to file
if (!string.IsNullOrWhiteSpace(fileName))
{
StreamWriter file = new System.IO.StreamWriter(fileName);
file.Write(csv);
file.Close();
}
}
private void x32MatrixToolStripMenuItem_Click(object sender, EventArgs e)
{
Hopfield frm = new Hopfield();
frm.Cols = 32;
frm.Rows = 32;
frm.MdiParent = this;
frm.Show();
}
private void loadTrainingDataToolStripMenuItem_Click(object sender, EventArgs e)
{
string fileName = string.Empty;
int rowCount = 0;
int columnCount = 0;
double[] patternData = new double[0];
string line;
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.Personal);
openFileDialog.Filter = "Training Data (*.csv)|*.csv|All Files (*.*)|*.*";
if (openFileDialog.ShowDialog(this) == DialogResult.OK)
{
fileName = openFileDialog.FileName;
}
//check the filename
if (!string.IsNullOrWhiteSpace(fileName))
{
try
{
//need to get the line length, this is a bit of a fudge but is acceptable for now
//read the first line of the file
//StreamReader file = new System.IO.StreamReader(fileName);
//string line = file.ReadLine();
//lineLength = line == null ? 0 : line.Length;
//file.Close();
//read the file line by line
StreamReader file = new System.IO.StreamReader(fileName);
while ((line = file.ReadLine()) != null)
{
if (line.Length > 0)
{
rowCount++;
//this gets updated each time but should be the same on each iteration
//store the line length as this allows us to create the form dynamically from the data
double[] cells = ConvertToDoubleArray(line.Split(",".ToCharArray()));
columnCount = cells.Length;//this gets updated each time but should be the same on each iteration
//TODO: need to concatenate this array or build up a multidimensional one
// use rowCount as the index etc.
double[] temp = patternData;
patternData = new double[patternData.Length + columnCount];
//copy pattern data back in
Array.Copy(temp, patternData, temp.Length);
//add the new data
Array.Copy(cells, 0, patternData, (columnCount * rowCount) - columnCount, cells.Length);
}
}
file.Close();
}
catch (Exception ex)
{
throw new ApplicationException("Data not valid.", ex);
}
//assume matrix is square
Matrix trainingData = Matrix.Transpose(new Matrix(patternData, rowCount, columnCount));
Hopfield frm = new Hopfield();
frm.Cols = (int)System.Math.Sqrt(columnCount);
frm.Rows = frm.Cols;
frm.TrainingData = trainingData;
Matrix weights = frm.Weights;
frm.MdiParent = this;
frm.Show();
}
}
