// Draw the file helix
private void Helix(int length, float[][] points)
{
if (finished)
{
int choice;
if (DisplacementCB.SelectedIndex != -1)
{
choice = (int)DisplacementCB.SelectedIndex;
}
else
{
choice = 0;
}
// Get the array of displacements of choice
float[] displacementType = ArrayManipulation.GetColumn(tensions.ToArray(), choice);
TransformDisplacement(displacementType);
OpenGL gl = GLControl.OpenGL;
gl.Begin(BeginMode.LineStrip);
float[] color = new float[] { 0.0f, 0.0f, 0.0f };
float[] displacement = displacementTransformed.ToArray();
for (int i = 0; i < length; i++)
{
// Colors
switch (displacement[i])
{
case var n when n >= -1 && n < -0.6:
color = new float[] { 0.0f, 0.0f, 1.0f }; // Blue
break;
case var n when n >= -0.6 && n < -0.3:
color = new float[] { 0.0f, 1.0f, 1.0f }; // Cyan
break;
case var n when n >= -0.3 && n < 0:
color = new float[] { 0.0f, 1.0f, 0.0f }; // Green
break;
case var n when n >= 0 && n < 0.3:
color = new float[] { 1.0f, 1.0f, 0.0f }; // Yellow
break;
case var n when n >= 0.3 && n < 0.6:
color = new float[] { 1.0f, 0.5f, 0.0f }; // Orange
break;
case var n when n >= 0.6:
color = new float[] { 1.0f, 0.0f, 0.0f }; // Red
break;
default:
break;
}
gl.Color(color);
gl.Vertex(new SharpGL.SceneGraph.Vertex(points[i][0], points[i][1], points[i][2]));
}
gl.End(); // Done Rendering
gl.Flush();
}
}
// Open file dialog and events
private void OpenFileClick(object sender, RoutedEventArgs e)
{
OpenFileDialog dlg = new OpenFileDialog
{
DefaultExt = ".txt", // Required file extension
Filter = "Text documents (.txt)|*.txt" // Optional file extensions
};
bool?result = dlg.ShowDialog();
if (result == true)
{
using (Stream s = dlg.OpenFile())
{
// Get the path of the file
string path = dlg.FileName;
tb.Text = path;
// Get the number of points registered in the file, discount the first line
int length = File.ReadAllLines(path).Length - 1;
// Begin reading
float[,] points = new float[length, 7];
int count = -1;
foreach (string line in File.ReadLines(path))
{
// Get the numbers in a line
string[] numbers = line.Split();
// Exclude the first line
if (line[0] != char.Parse("I"))
{
for (int i = 0; i < 7; i++)
{
// Form the matrix containing all numbers
points[count, i] = float.Parse(numbers[i], CultureInfo.InvariantCulture);
}
}
count++;
}
// Put the wanted data in different arrays
float[,] pointsCartesian = new float[length, 3];
float[,] displacement = new float[length, 3];
for (int i = 0; i < length; i++)
{
pointsCartesian[i, 0] = points[i, 1] * (float)Math.Cos(points[i, 2]) / 10;
pointsCartesian[i, 1] = points[i, 1] * (float)Math.Sin(points[i, 2]) / 10;
pointsCartesian[i, 2] = points[i, 3] / 10;
displacement[i, 0] = points[i, 4];
displacement[i, 1] = points[i, 5];
displacement[i, 2] = points[i, 6];
}
// Add the data in external lists for further use
for (int i = 0; i < length; i++)
{
vertexes.Add(ArrayManipulation.GetRow(pointsCartesian, i));
tensions.Add(ArrayManipulation.GetRow(displacement, i));
}
if (path != "")
{
btnOpenFile.IsEnabled = false;
}
openFileOk = true;
}
}
}
