private void stlSelectBt_Click(object sender, EventArgs e)
{
OpenFileDialog openFile = new OpenFileDialog
{
Title = "Browse STL Data",
CheckFileExists = true,
CheckPathExists = true,
Filter = "STL Files|*.stl;*.txt;"
};
if (openFile.ShowDialog() == DialogResult.OK)
{
importSTL.DataReader read = new importSTL.DataReader(openFile.FileName);
dm = read.ReadFile();
Console.ReadLine();
}
}
private void stlSelectBt_Click(object sender, EventArgs e)
{
Stopwatch timePassed = new Stopwatch();
timePassed.Start();
OpenFileDialog openFile = new OpenFileDialog
{
Title = "Browse STL Data",
CheckFileExists = true,
CheckPathExists = true,
Filter = "STL Files|*.stl;*.txt;"
};
if (openFile.ShowDialog() == DialogResult.OK)
{
importSTL.DataReader read = new importSTL.DataReader(openFile.FileName);
dm = read.ReadFile();
timePassed.Stop();
textBox2.Text = Convert.ToString("import finished - Time Passed: " + timePassed.Elapsed);
}
}
private DataModel.DataStructure ReadASCIIFile(string stlPath)
{
DataModel.DataStructure dm = new DataModel.DataStructure();
string[] lines = File.ReadAllLines(stlPath); // Opens the STL ASCII file and read all lines of the file
// defining all the components for the data structure
DataModel.Normal normal = null;
DataModel.Point[] points = new DataModel.Point[3];
int idxPoint = -1;
// Process of reading ASCII Data starts here
for (int i = 0; i < lines.Length; i++)
{
string line = lines[i].Trim();
string[] parts = line.Split(' '); // each word in ASCII file structure will be represented as part
if (parts.Length == 0)
{
continue;
}
try
{
switch (parts[0])
{
case "facet":
// invalid if the line 'facet' doesn't consist of 5 parts (words)
if (parts.Length != 5)
{
processError = true;
}
// if it's valid, normal will be added
DataModel.Point n = FromStrings(parts[2], parts[3], parts[4]);
normal = new DataModel.Normal(n.X, n.Y, n.Z);
idxPoint = 0;
break;
case "vertex":
// invalid if the line 'vertex' doesn't consist of 4 parts (words)
if (parts.Length != 4)
{
processError = true;
}
// Only implemented for other variation (Inventor STL File)
if (parts.Length > 4)
{
goto case "firstVariation";
}
// invalid if it's out of range
if (idxPoint > 2 || idxPoint == -1)
{
processError = true;
}
//if it's valid, points will be registered from the first vertex and continues until the 3rd vertex
points[idxPoint++] = FromStrings(parts[1], parts[2], parts[3]);
break;
case "firstVariation":
if (parts.Length != 6)
{
Console.WriteLine("Structure for line 'vertex' not valid");
processError = true;
}
points[idxPoint++] = FromStrings(parts[3], parts[4], parts[5]);
break;
case "endfacet":
if (idxPoint != 3)
{
}
//Punkte in pointlist, face erzeugen
int p1 = dm.points.AddOrGetPoint(points[0]);
int p2 = dm.points.AddOrGetPoint(points[1]);
int p3 = dm.points.AddOrGetPoint(points[2]);
DataModel.Edge e1 = new DataModel.Edge(p1, p2, dm);
DataModel.Edge e2 = new DataModel.Edge(p1, p3, dm);
DataModel.Edge e3 = new DataModel.Edge(p2, p3, dm);
int ei1 = dm.edges.AddOrGetEdge(e1);
int ei2 = dm.edges.AddOrGetEdge(e2);
int ei3 = dm.edges.AddOrGetEdge(e3);
dm.AddFace(ei1, ei2, ei3, normal);
idxPoint = -1;
break;
default:
//no information(?)
break;
}
}
catch
{
processError = true;
break;
}
}
return(dm);
}
private DataModel.DataStructure ReadBinaryFile(string stlPath)
{
DataModel.DataStructure dm = new DataModel.DataStructure();
byte[] binaryParts = File.ReadAllBytes(stlPath); // Opens the STL Binary file
DataModel.Normal normal = null;
int byteIdx = 0;
int nr = BitConverter.ToInt32(binaryParts, 81); // Indicating the Number of Triangles
byteIdx = 84;
// The process starts here
for (int i = 0; i < binaryParts.Length; i++)
{
int start = 50 * i + 81 + 4;
try
{
// Showing face normal
DataModel.Point n = new DataModel.Point(BitConverter.ToSingle(binaryParts, start), BitConverter.ToSingle(binaryParts, start + 4), BitConverter.ToSingle(binaryParts, start + 8));
normal = new DataModel.Normal(n.X, n.Y, n.Z);
byteIdx = start + 12;
// Vertex 1
int point1 = start + 12;
DataModel.Point v1 = new DataModel.Point(BitConverter.ToSingle(binaryParts, point1), BitConverter.ToSingle(binaryParts, point1 + 4), BitConverter.ToSingle(binaryParts, point1 + 8));
byteIdx = point1 + 12;
// Vertex 2
int point2 = point1 + 12;
DataModel.Point v2 = new DataModel.Point(BitConverter.ToSingle(binaryParts, point2), BitConverter.ToSingle(binaryParts, point2 + 4), BitConverter.ToSingle(binaryParts, point2 + 8));
byteIdx = point2 + 12;
// Vertex 3
int point3 = point2 + 12;
DataModel.Point v3 = new DataModel.Point(BitConverter.ToSingle(binaryParts, point3), BitConverter.ToSingle(binaryParts, point3 + 4), BitConverter.ToSingle(binaryParts, point3 + 8));
byteIdx = point3 + 12;
//Punkte in pointlist, face erzeugen
int p1 = dm.points.AddOrGetPoint(v1);
int p2 = dm.points.AddOrGetPoint(v2);
int p3 = dm.points.AddOrGetPoint(v3);
DataModel.Edge e1 = new DataModel.Edge(p1, p2, dm);
DataModel.Edge e2 = new DataModel.Edge(p1, p3, dm);
DataModel.Edge e3 = new DataModel.Edge(p2, p3, dm);
int ei1 = dm.edges.AddOrGetEdge(e1);
int ei2 = dm.edges.AddOrGetEdge(e2);
int ei3 = dm.edges.AddOrGetEdge(e3);
dm.AddFace(ei1, ei2, ei3, normal);
byteIdx = 134;
}
catch
{
processError = true;
break;
}
}
int abc = BitConverter.ToUInt16(binaryParts, 133); // Attribute byte count
byteIdx = 0;
return(dm);
}
