public static IEnumerable <IFileGeometry3D> ReadStl(FileInfo file)
{
var builder = new SimpleMeshBuilder();
var stl = new STLReader();
IOReadResult res;
var reader = new ASCIIBinarySTLParser();
using (var fs = file.OpenRead()) {
reader.Read(fs);
//using (var br = new BinaryReader(fs)) {
// res = stl.Read(br, new ReadOptions { }, builder);
//}
}
return(reader.Geometry);
// if (res.code == IOCode.Ok && builder.Meshes.Any()) {
// var mesh = builder.Meshes.Single();
// return new[] {
// new MeshData("STL",
// mesh.GetVertexArrayFloat().ToVector3List().AsReadOnly(),
// mesh.HasVertexNormals ?
// mesh.GetVertexNormalArray().ToVector3List().AsReadOnly()
// : new ReadOnlyCollection<Vector3>(new List<Vector3>()),
// mesh.GetTriangleArray().AsReadOnly(),
// mesh.HasVertexUVs ?
// mesh.GetVertexUVArray().ToVector2List().AsReadOnly()
// : new ReadOnlyCollection<Vector2>(new List<Vector2>()),
// mesh.HasVertexColors ?
// mesh.GetVertexColorArray().ToVector3List().AsReadOnly()
// : new ReadOnlyCollection<Vector3>(new List<Vector3>())
// )
// };
// }
// throw new Exception("Can't read STL.");
}
private void OpenFile(object sender, RoutedEventArgs e)
{
string FilePath = null;
OpenFileDialog openFileDialog = new OpenFileDialog();
if (openFileDialog.ShowDialog() == true)
{
FilePath = openFileDialog.FileName;
STLReader stlReader = new STLReader(openFileDialog.FileName);
meshArray = stlReader.ReadFile();
TriangleMesh[] normalArray = new TriangleMesh[meshArray.Length];
//Перобразование в лист Point3D
for (int i = 0; i < meshArray.Length; i++)
{
point.Add(new Point3D(meshArray[i].vert1.x, meshArray[i].vert1.y, meshArray[i].vert1.z));
point.Add(new Point3D(meshArray[i].vert2.x, meshArray[i].vert2.y, meshArray[i].vert2.z));
point.Add(new Point3D(meshArray[i].vert3.x, meshArray[i].vert3.y, meshArray[i].vert3.z));
}
//удаление дубликатов точек
list = point.Distinct().ToList <Point3D>();
//Преобразование в модель
device = create3dmodel(list);
device3D.Content = device;
Cutt.IsEnabled = true;
Count.IsEnabled = true;
//--------------------------------------
viewPort3d.Children.Add(device3D);
viewPort3d.Children.Add(new SunLight());
viewPort3d.ZoomExtents();
}
}
protected void Page_Load(object sender, EventArgs e)
{
if (!this.IsPostBack)
{
if (this.Page.Request.Files.Count > 0)
{
UploadFileInfo fi = new UploadFileInfo();
string fileName = GetNewFilename("STL", "stl");
string fileFullPath = Server.MapPath(Path.Combine(uploadPath, fileName));
fi.gg_tj = fi.gg_bmj = fi.gg_length = fi.gg_width =
fi.gg_height = fi.code = fi.error = "";
fi.source_name = this.Page.Request.Files[0].FileName;
fi.file_name = this.Page.ResolveUrl("~") + uploadPath + "/" + fileName;
fi.success = false;
try
{
this.Page.Request.Files[0].SaveAs(fileFullPath);
STLReader stl = new STLReader(fileFullPath);
if (stl.IsValid)
{
fi.gg_tj = stl.Volume.ToString();
//fi.gg_bmj = stl.SurfaceArea.ToString();
fi.gg_length = stl.Size.Length.ToString();
fi.gg_width = stl.Size.Width.ToString();
fi.gg_height = stl.Size.Height.ToString();
fi.success = true;
}
else
{
fi.error = stl.ErrorMessage;
}
}
catch (Exception ex)
{
fi.code = "-1";
fi.error = ex.Message;
}
string jsonString;
JavaScriptSerializer serializer = new JavaScriptSerializer();
List <UploadFileInfo> jsonList = new List <UploadFileInfo>();
jsonList.Add(fi);
jsonString = serializer.Serialize(jsonList);
jsonString = jsonString.Replace("[", "").Replace("]", "");
this.Context.Response.Clear();
this.Context.Response.Write(jsonString);
this.Context.Response.Flush();
this.Context.Response.End();
}
}
}
static private void TestSTLReader()
{
var Part = new STLReader("Sk20.stl");
int MaxCount = 512;
var SubDivisions = Part.RecursiveSplit(MaxCount);
foreach (var item in SubDivisions)
{
if (item.TriangleCount > MaxCount)
{
throw new Exception("This must be less than " + MaxCount.ToString() + " Triangles");
}
}
int NumPoints = 512 * 100;
var Mesher = new PointInserter(SubDivisions.ToArray());
var Pts = Mesher.GetPointsGPU(NumPoints);
}
private void fileSelectBt_Click(object sender, EventArgs e)
{
OpenFileDialog stldosyaSec = new OpenFileDialog();
stldosyaSec.Filter = "STL Files|*.stl;*.txt;";
if (stldosyaSec.ShowDialog() == DialogResult.OK)
{
dosyaSecTxb.Text = stldosyaSec.SafeFileName;
STLReader stlReader = new STLReader(stldosyaSec.FileName);
TriangleMesh[] meshArray = stlReader.ReadFile();
modelVAO = new Batu_GL.VAO_TRIANGLES();
STLExport stlExporter = new STLExport();
modelVAO.parameterArray = stlExporter.Get_Mesh_Vertices(meshArray);
modelVAO.normalArray = stlExporter.Get_Mesh_Normals(meshArray);
modelVAO.color = Color.CadetBlue;
if (!stlReader.Get_Process_Error())
{
rotation = 0;
drawTimer.Enabled = true;
fileSelectBt.BackColor = Color.DeepSkyBlue;
}
else
{
drawTimer.Enabled = false;
fileSelectBt.BackColor = Color.Tomato;
/* if there is an error, deinitialize the gl monitor to clear the screen */
glController.glInit(monitor, Batu_GL.Ortho_Mode.CENTER);
monitor.SwapBuffers();
}
}
else
{
// intentionally left blank
}
}
public List <Mesh> LoadMeshes()
{
using var stream = File.OpenRead(_filePath);
using var binaryReader = new BinaryReader(stream);
var builder = new DMesh3Builder();
var reader = new STLReader();
var result = reader.Read(binaryReader, ReadOptions.Defaults, builder);
binaryReader.Close();
stream.Close();
if (result.code != IOCode.Ok)
{
throw new Exception("Something went wrong when reading the STL file!");
}
return(builder.Meshes.Select(m => new Mesh(m))
.ToList());
}
private void ReadSelectedFile(string fileName)
{
STLReader stlReader = new STLReader(fileName);
TriangleMesh[] meshArray = stlReader.ReadFile();
modelVAO = new Batu_GL.VAO_TRIANGLES();
modelVAO.parameterArray = STLExport.Get_Mesh_Vertices(meshArray);
modelVAO.normalArray = STLExport.Get_Mesh_Normals(meshArray);
modelVAO.color = Color.Crimson;
minPos = stlReader.GetMinMeshPosition(meshArray);
maxPos = stlReader.GetMaxMeshPosition(meshArray);
orb.Reset_Orientation();
orb.Reset_Pan();
orb.Reset_Scale();
if (stlReader.Get_Process_Error())
{
modelVAO = null;
/* if there is an error, deinitialize the gl monitor to clear the screen */
Batu_GL.Configure(GL_Monitor, Batu_GL.Ortho_Mode.CENTER);
GL_Monitor.SwapBuffers();
}
}
static void Main(string[] args)
{
STLReader reader = new STLReader("C:/Users/Becarios/Documents/Ferreyra/Scripts/CenterlineComputation/Centerline/Meshes/testmesh.stl");
TriangleMesh[] mesh = reader.ReadFile();
Vertex3[] vertices = new Vertex3[3 * mesh.Length];
int j = 0;
for (int i = 0; i < mesh.Length; i++)
{
vertices[j] = new Vertex3(mesh[i].vert1.x, mesh[i].vert1.y, mesh[i].vert1.z);
vertices[j + 1] = new Vertex3(mesh[i].vert2.x, mesh[i].vert2.y, mesh[i].vert2.z);
vertices[j + 2] = new Vertex3(mesh[i].vert3.x, mesh[i].vert3.y, mesh[i].vert3.z);
j += 3;
}
DelaunayTriangulation3 delaunay = new DelaunayTriangulation3();
delaunay.Generate(vertices);
//VoronoiMesh3 voronoi = new VoronoiMesh3();
//voronoi.Generate(vertices);
//SAVE CENTROIDS
using (StreamWriter writetext = new StreamWriter("C:/Users/Becarios/Documents/Ferreyra/Scripts/CenterlineComputation/DelaunayCentroids.txt"))
{
for (int k = 0; k < delaunay.Cells.Count; k++)
{
writetext.WriteLine(delaunay.Cells[k].CircumCenter.X + " " + delaunay.Cells[k].CircumCenter.Y + " " + delaunay.Cells[k].CircumCenter.Z + " " + delaunay.Cells[k].Radius);
}
}
}
// Load STL file
public bool load_stl(string model_file)
{
//Util.alert(MODULE + " Loading STL: " + model_file);
Vector3 min, max;
try
{
STLReader stl_reader = new STLReader(model_file);;
mesh = stl_reader.ReadFile();
// Determine bounding box
min = stl_reader.GetMinMeshPosition(mesh);
max = stl_reader.GetMaxMeshPosition(mesh);
}
catch (Exception ex)
{
Util.error(MODULE + "Unable to load " + model_file + " " + ex.Message);
return(true);
}
//Util.alert(MODULE + " Mesh triangles: " + mesh.Length);
// ReCenter
Vector3 center = new Vector3((min.X + max.X) / 2.0f, (min.Y + max.Y) / 2.0f, (min.Z + max.Z) / 2.0f);
for (int i = 0; i < mesh.Length; i++)
{
mesh[i].vert1.X -= center.X; mesh[i].vert1.Y -= center.Y; mesh[i].vert1.Z -= center.Z;
mesh[i].vert2.X -= center.X; mesh[i].vert2.Y -= center.Y; mesh[i].vert2.Z -= center.Z;
mesh[i].vert3.X -= center.X; mesh[i].vert3.Y -= center.Y; mesh[i].vert3.Z -= center.Z;
}
return(false);
}
public PrintModule(IDbConnection db, ILog log, IRootPathProvider pathProvider) : base("/print")
{
Get["/"] = parameters => {
base.Page.Title = "3D打印";
return(View["Index", base.Model]);
};
Get["/materials"] = parameters => {
var materials = db.Select <Material>(q => q.State == 0);
return(Response.AsJson(materials));
//return Response.AsJson(( new List<string> { "Foo","Bar","Hello","World"}).Select(i => new {
// message = i
//}));
};
Post["/upload"] = parameters => {
string uploadDirectory;
string filepath = "";
if (Context.CurrentUser == null)
{
uploadDirectory = Path.Combine(pathProvider.GetRootPath(), "Content", "uploads", "temp");
filepath = "/Content/uploads/temp/";
}
else
{
uploadDirectory = Path.Combine(pathProvider.GetRootPath(), "Content", "uploads", "3d");
filepath = "/Content/uploads/3d/";
}
if (!Directory.Exists(uploadDirectory))
{
Directory.CreateDirectory(uploadDirectory);
}
string _filename = "";
string filename = "";
List <Models.File> files = new List <Models.File>();
foreach (var file in Request.Files)
{
if (System.IO.Path.GetExtension(file.Name).ToLower() != ".stl")
{
//return Response.AsJson("{\"files\":[{error:\"文件格式不是stl\"}]}",Nancy.HttpStatusCode.BadRequest);
files.Add(new Models.File()
{
error = "文件格式不是stl!"
});
return(Response.AsJson <JsonFileUpload>(new JsonFileUpload()
{
files = files
}));
}
if (file.Name.IndexOf("$") >= 0)
{
files.Add(new Models.File()
{
error = "文件名不能包含'$'符号!"
});
return(Response.AsJson <JsonFileUpload>(new JsonFileUpload()
{
files = files
}));
}
//_filename = file.Name;
if (Context.CurrentUser == null)
{
_filename = Session["TempUserId"].ToString() + "$" + DateTime.Now.ToString("yyyy-MM-dd-hh-mm-ss-fffff") + "$" + file.Name;
filename = Path.Combine(uploadDirectory, _filename);
}
else
{
string userid = "";
userid = db.Select <string>("select Id from T_User where Email=@email", new { email = base.Page.CurrentUser }).FirstOrDefault();
_filename = userid + "$" + DateTime.Now.ToString("yyyy-MM-dd-hh-mm-ss-fffff") + "$" + file.Name;
filename = Path.Combine(uploadDirectory, _filename);
}
using (FileStream fileStream = new FileStream(filename, FileMode.Create)) {
file.Value.CopyTo(fileStream);
}
}
STLReader stl = new STLReader(filename);
if (stl.IsValid)
{
//jsonfile.files= stl.Size.Length.ToString();
//fi.gg_width = stl.Size.Width.ToString();
//fi.gg_height = stl.Size.Height.ToString();
//stl.Surface.
files.Add(new Models.File()
{
name = _filename,
fullname = filepath + _filename,
length = stl.Size.Length.ToString(),
width = stl.Size.Width.ToString(),
height = stl.Size.Height.ToString(),
surface = stl.Surface.ToString(),
volume = stl.Volume.ToString()
});
}
else
{
files.Add(new Models.File()
{
error = stl.ErrorMessage
});
}
//return Response.AsJson("{\"files\":[{name:\"" + _filename + "\"}]}", Nancy.HttpStatusCode.OK);
//files.Add(new Models.File() { name = _filename });
return(Response.AsJson <JsonFileUpload>(new JsonFileUpload()
{
files = files
}));
//base.Page.Title = "上传成功";
//return View["Index", base.Model];
};
Get["/suppliers"] = parameters => {
string materialid = Request.Query["materialid"].Value;
string _distance = Request.Query["distance"].Value;
double distance = 20000;
if (_distance != null)
{
bool b = double.TryParse(_distance, out distance);
if (!b)
{
distance = 20000;
}
}
double lng = 0, lat = 0;
string url = $"http://api.map.baidu.com/location/ip?ak=26904d2efeb684d7d59d493098e7295d&ip={Request.UserHostAddress}&coor=bd09ll";
WebClient wc = new WebClient();
wc.Encoding = Encoding.UTF8;
string json = wc.DownloadString(url);
JObject m = JObject.Parse(json);
if (m["status"].ToString() == "0")
{
lng = double.Parse(m["point"]["x"].ToString()); //经度
lat = double.Parse(m["point"]["y"].ToString()); //纬度
}
//lng = 118.645297;
//lat = 24.879442;
double range = 180 / Math.PI * distance / 6372.797; //distance代表距离，单位是km
double lngR = range / Math.Cos(lat * Math.PI / 180.0);
double maxLat = lat + range;
double minLat = lat - range;
double maxLng = lng + lngR;
double minLng = lng - lngR;
//暂时精确到供应商，不精确到供应商的打印机
string sql = $@"
SELECT t1.supplierId,t1.fname,address,tel,qq,logo,t2.Price as MatPrice,t3.fname as PrintCompleteName,t2.id as SupplierPrinterMaterialId
FROM t_supplier t1
join t_supplier_printer_material t2 on t2.supplierId=t1.supplierId
join t_printcomplete t3 on t3.completeid=t2.completeid
WHERE ((lat BETWEEN '{minLat}' AND '{maxLat}') AND (lng BETWEEN '{minLng}' AND '{maxLng}'))
and t2.MaterialId=@MaterialId and t1.state='0'
Group by t1.supplierId,t1.fname,address,tel,qq,logo;";
var suppliers = db.Select <SupplierWithCompletePriceModel>(sql, new { MaterialId = materialid });
return(Response.AsJson(suppliers.Select(i => new {
supplierId = i.SupplierId,
fname = i.Fname,
address = i.Address,
tel = i.Tel,
qq = i.QQ,
logo = i.Logo,
matprice = i.MatPrice,
printcompletename = i.PrintCompleteName,
supplierprintermaterialid = i.SupplierPrinterMaterialId
})));
};
}
static private void TestPointInPolygon()
{
var STLFile = new STLReader("Cable support hook.stl");
}