//public OBJDocument(List<Vertex> VertexList, List<Face> FaceList)
//{
// this.VertexList = VertexList;
// this.FaceList = FaceList;
//}
/// <summary>
/// Parse and load an OBJ file into memory. Will consume memory
/// at aproximately 120% the size of the file.
/// </summary>
/// <param name="path">path to obj file on disk</param>
/// <param name="linesProcessedCallback">callback for status updates</param>
public OBJDocument LoadObj(string path)
{
OBJDocument objDoc = new OBJDocument();
VertexList = new List <Vertex>();
FaceList = new List <Face>();
TextureList = new List <TextureVertex>();
var input = File.ReadLines(path);
foreach (string line in input)
{
processLine(line);
}
objDoc.VertexList = VertexList;
objDoc.FaceList = FaceList;
objDoc.TextureList = TextureList;
return(objDoc);
//updateSize();
}
//public OBJDocument(List<Vertex> VertexList, List<Face> FaceList)
//{
// this.VertexList = VertexList;
// this.FaceList = FaceList;
//}
/// <summary>
/// Parse and load an OBJ file into memory. Will consume memory
/// at aproximately 120% the size of the file.
/// </summary>
/// <param name="path">path to obj file on disk</param>
/// <param name="linesProcessedCallback">callback for status updates</param>
public OBJDocument LoadObj(string path)
{
OBJDocument objDoc = new OBJDocument();
VertexList = new List<Vertex>();
FaceList = new List<Face>();
TextureList = new List<TextureVertex>();
var input = File.ReadLines(path);
foreach (string line in input)
{
processLine(line);
}
objDoc.VertexList = VertexList;
objDoc.FaceList = FaceList;
objDoc.TextureList = TextureList;
return objDoc;
//updateSize();
}
/// <summary>
/// _3DModel 변환
/// </summary>
/// <param name="filename"></param>
/// <param name="extension"></param>
/// <returns></returns>
public Object3DModel Get3DModel(string filename, string extension)
{
Object3DModel stlModel = new Object3DModel();
Metadata metadata = new Metadata();
metadata.formatVersion = "3";
metadata.generatedBy = "Mersh";
stlModel.metadata = metadata;
stlModel.scale = "1.0";
stlModel.materials = new string[] { };
stlModel.morphTargets = new string[] { };
stlModel.morphColors = new string[] { };
stlModel.normals = new string[] { };
stlModel.colors = new string[] { };
stlModel.uvs = new string[,] { };
int indexF = 0;
int indexV = 0;
if (extension == ".stl")
{
STLDocument facets = STLDocument.Open(filename);
int index = 0;
stlModel.faces = new int[facets.Count() * 4];
stlModel.vertices = new float[facets.Count() * 9];
foreach (var facet in facets)
{
stlModel.faces[index] = 0;
index++;
foreach (var vertice in facet.Vertices)
{
VertexM m = new VertexM();
stlModel.faces[index] = indexF;
stlModel.vertices[indexV] = vertice.X;
indexV++;
stlModel.vertices[indexV] = vertice.Y;
indexV++;
stlModel.vertices[indexV] = vertice.Z;
indexV++;
indexF++;
index++;
}
}
}
if (extension == ".obj")
{
VertexList = new List<QuantumConcepts.Formats.StereoLithography.Vertex>();
OBJDocument objDoc = new OBJDocument().LoadObj(filename);
stlModel.faces = new int[objDoc.FaceList.Count() * 4];
stlModel.vertices = new float[objDoc.VertexList.Count() * 9];
for (int i = 0; i < objDoc.FaceList.Count; i++)
{
stlModel.faces[indexF] = 0;
indexF++;
stlModel.faces[indexF] = objDoc.FaceList[i].VertexIndexList[0] - 1;
indexF++;
stlModel.faces[indexF] = objDoc.FaceList[i].VertexIndexList[1] - 1;
indexF++;
stlModel.faces[indexF] = objDoc.FaceList[i].VertexIndexList[2] - 1;
indexF++;
}
for (int i = 0; i < objDoc.VertexList.Count; i++)
{
VertexM m = new VertexM();
stlModel.vertices[indexV] = (float)objDoc.VertexList[i].X;
indexV++;
stlModel.vertices[indexV] = (float)objDoc.VertexList[i].Y;
indexV++;
stlModel.vertices[indexV] = (float)objDoc.VertexList[i].Z;
indexV++;
}
}
return stlModel;
}
/// <summary>
/// 3D파일 사이즈 구하기
/// </summary>
/// <param name="path"></param>
/// <param name="ext"></param>
/// <returns></returns>
public ModelingSize GetSizeFor3DFile(string path, string ext)
{
ModelingSize getSize = new ModelingSize();
double volume = 0;
double x1 = 0;
double y1 = 0;
double z1 = 0;
double x2 = 0;
double y2 = 0;
double z2 = 0;
double x3 = 0;
double y3 = 0;
double z3 = 0;
switch (ext)
{
case ".stl":
STLDocument facets = STLDocument.Open(path);
//stl
Size = new Extent
{
XMax = facets.Facets.Max(f => f.Vertices.Max(v => v.X)),
XMin = facets.Facets.Min(f => f.Vertices.Min(v => v.X)),
YMax = facets.Facets.Max(f => f.Vertices.Max(v => v.Y)),
YMin = facets.Facets.Min(f => f.Vertices.Min(v => v.Y)),
ZMax = facets.Facets.Max(f => f.Vertices.Max(v => v.Z)),
ZMin = facets.Facets.Min(f => f.Vertices.Min(v => v.Z))
};
for (int i = 0; i < facets.Facets.Count; i++)
{
x1 = facets.Facets[i].Vertices[0].X;
y1 = facets.Facets[i].Vertices[0].Y;
z1 = facets.Facets[i].Vertices[0].Z;
x2 = facets.Facets[i].Vertices[1].X;
y2 = facets.Facets[i].Vertices[1].Y;
z2 = facets.Facets[i].Vertices[1].Z;
x3 = facets.Facets[i].Vertices[2].X;
y3 = facets.Facets[i].Vertices[2].Y;
z3 = facets.Facets[i].Vertices[2].Z;
volume +=
(-x3 * y2 * z1 +
x2 * y3 * z1 +
x3 * y1 * z2 -
x1 * y3 * z2 -
x2 * y1 * z3 +
x1 * y2 * z3) / 6;
}
break;
case ".obj":
VertexList = new List<QuantumConcepts.Formats.StereoLithography.Vertex>();
OBJDocument objDoc = new OBJDocument().LoadObj(path);
int[] idx = new int[3];
Size = new Extent
{
XMax = objDoc.VertexList.Where(w => (int)w.X != 0).Max(v => v.X),
XMin = objDoc.VertexList.Where(w => (int)w.X != 0).Min(v => v.X),
YMax = objDoc.VertexList.Where(w => (int)w.Y != 0).Max(v => v.Y),
YMin = objDoc.VertexList.Where(w => (int)w.Y != 0).Min(v => v.Y),
ZMax = objDoc.VertexList.Where(w => (int)w.Z != 0).Max(v => v.Z),
ZMin = objDoc.VertexList.Where(w => (int)w.Z != 0).Min(v => v.Z)
};
int vertexCnt = objDoc.VertexList.Count();
for (int i = 0; i < objDoc.FaceList.Count; i++)
{
idx[0] = objDoc.FaceList[i].VertexIndexList[0] - 1;
idx[1] = objDoc.FaceList[i].VertexIndexList[1] - 1;
idx[2] = objDoc.FaceList[i].VertexIndexList[2] - 1;
if (idx[0] > 0 && idx[1] > 0 && idx[2] > 0)
{
if (idx[0] > vertexCnt && idx[1] > vertexCnt && idx[2] > vertexCnt)
{
//log 로 남겨보기
}
else
{
x1 = objDoc.VertexList[idx[0]].X;
y1 = objDoc.VertexList[idx[0]].Y;
z1 = objDoc.VertexList[idx[0]].Z;
x2 = objDoc.VertexList[idx[1]].X;
y2 = objDoc.VertexList[idx[1]].Y;
z2 = objDoc.VertexList[idx[1]].Z;
x3 = objDoc.VertexList[idx[2]].X;
y3 = objDoc.VertexList[idx[2]].Y;
z3 = objDoc.VertexList[idx[2]].Z;
volume +=
(-x3 * y2 * z1 +
x2 * y3 * z1 +
x3 * y1 * z2 -
x1 * y3 * z2 -
x2 * y1 * z3 +
x1 * y2 * z3) / 6;
}
}
else
{
//log 로 남겨보기
}
}
break;
}
volume = volume < 0 ? volume * -1 : volume;
getSize.X = Math.Round(Size.XSize, 1);
getSize.Y = Math.Round(Size.YSize, 1);
getSize.Z = Math.Round(Size.ZSize, 1);
getSize.ObjectVolume = Math.Round(volume, 1) / 1000;
return getSize;
}
