public static Matrix3d Rotation_ToOriginAxes(this Matrix3d mat, PointCloud cloudOrigin)
{
PointCloud target = new PointCloud();
target.Add(new Vertex(1, 0, 0));
target.Add(new Vertex(0, 1, 0));
target.Add(new Vertex(0, 0, 1));
return(mat.RotationCoordinateChange(cloudOrigin, target));
}
/// <summary>
/// Reads only position and color information (No normals, texture, triangles etc. etc)
/// </summary>
/// <param name="fileOBJ"></param>
/// <param name="myNewModel"></param>
public static PointCloud ReadObjFile_ToPointCloud(string fileOBJ)
{
PointCloud myPCL = new PointCloud();
string line = string.Empty;
uint indexInPointCloud = 0;
try
{
using (StreamReader streamReader = new StreamReader(fileOBJ))
{
//Part p = new Part();
Vertex vertex = new Vertex();
//myNewModel.Part = new List<Part>();
while (!streamReader.EndOfStream)
{
line = streamReader.ReadLine().Trim();
while (line.EndsWith("\\"))
{
line = line.Substring(0, line.Length - 1) + streamReader.ReadLine().Trim();
}
string str1 = GlobalVariables.TreatLanguageSpecifics(line);
string[] strArrayRead = str1.Split();
if (strArrayRead.Length >= 0)
{
switch (strArrayRead[0].ToLower())
{
//case "mtllib":
// if (strArrayRead.Length < 2)
// {
// System.Windows.Forms.MessageBox.Show("Error reading obj file in line : " + line);
// }
// myNewModel.GetTexture(strArrayRead[1], fileOBJ);
// break;
case "v": //Vertex
vertex = HelperReadVertex(strArrayRead);
vertex.Index = indexInPointCloud;
indexInPointCloud++;
myPCL.Add(vertex);
break;
}
}
}
}
}
catch (Exception err)
{
System.Windows.Forms.MessageBox.Show("Error reading obj file - Vertices: " + line + " ; " + err.Message);
}
return(myPCL);
}
