Esempio n. 1
0
        private Task <DMesh3Builder> loadObj(string filename)
        {
            TaskCompletionSource <DMesh3Builder> tcs1 = new TaskCompletionSource <DMesh3Builder>();
            Task <DMesh3Builder> t1 = tcs1.Task;

            t1.ConfigureAwait(false);

            // Start a background task that will complete tcs1.Task
            Task.Factory.StartNew(() => {
                DMesh3Builder meshBuilder = new DMesh3Builder();
                try {
                    IOReadResult result = StandardMeshReader.ReadFile(filename, new ReadOptions(), meshBuilder);
                } catch (Exception e) when(
                    e is UnauthorizedAccessException ||
                    e is DirectoryNotFoundException ||
                    e is FileNotFoundException ||
                    e is NotSupportedException
                    )
                {
                    Debug.LogError("Failed to Load" + filename + " : " + e.ToString());
                    meshBuilder = new DMesh3Builder();
                }
                tcs1.SetResult(meshBuilder);
            });
            return(t1);
        }
Esempio n. 2
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        protected override void Recompute(DGArguments args)
        {
            System.Console.WriteLine("Reading file...");

            ReadMesh = new DMesh3();

            string path = CachedValue <string>(0, args);

            if (!File.Exists(path))
            {
                return;
            }

            DMesh3Builder      builder = new DMesh3Builder();
            StandardMeshReader reader  = new StandardMeshReader();

            reader.MeshBuilder = builder;
            IOReadResult result = reader.Read(path, ReadOptions.Defaults);

            if (result.code != IOCode.Ok)
            {
                return;
            }

            ReadMesh = builder.Meshes[0];
        }
Esempio n. 3
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        private async Task <SimpleMeshBuilder> loadObj(string filename)
        {
            StandardMeshReader reader = new StandardMeshReader();

            reader.MeshBuilder = new SimpleMeshBuilder();
            try
            {
                IOReadResult result = reader.Read(filename, new ReadOptions());
            }
            catch (Exception e) when(
                e is UnauthorizedAccessException ||
                e is DirectoryNotFoundException ||
                e is FileNotFoundException ||
                e is NotSupportedException
                )
            {
                Debug.LogError("Failed to Load" + filename + " : " + e.ToString());
            }
            return(reader.MeshBuilder as SimpleMeshBuilder);
        }
Esempio n. 4
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 private async Task <SimpleMeshBuilder> loadObj(string filename)
 {
     using (StreamReader reader = File.OpenText(filename))
     {
         OBJReader         objReader   = new OBJReader();
         SimpleMeshBuilder meshBuilder = new SimpleMeshBuilder();
         try
         {
             IOReadResult result = objReader.Read(reader, new ReadOptions(), meshBuilder);
         }
         catch (Exception e) when(
             e is UnauthorizedAccessException ||
             e is DirectoryNotFoundException ||
             e is FileNotFoundException ||
             e is NotSupportedException
             )
         {
             Debug.LogError("Failed to Load" + filename + " : " + e.ToString());
             meshBuilder = new SimpleMeshBuilder();
         }
         return(meshBuilder);
     }
 }
Esempio n. 5
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        public static void Main(string[] args)
        {
            CommandArgumentSet arguments = new CommandArgumentSet();

            //arguments.Register("-tcount", int.MaxValue);
            //arguments.Register("-percent", 50.0f);
            //arguments.Register("-v", false);
            arguments.Register("-output", "");
            if (arguments.Parse(args) == false)
            {
                return;
            }

            if (arguments.Filenames.Count != 1)
            {
                print_usage();
                return;
            }
            string inputFilename = arguments.Filenames[0];

            if (!File.Exists(inputFilename))
            {
                System.Console.WriteLine("File {0} does not exist", inputFilename);
                return;
            }


            string outputFilename = Path.GetFileNameWithoutExtension(inputFilename);
            string format         = Path.GetExtension(inputFilename);

            outputFilename = outputFilename + ".repaired" + format;
            if (arguments.Saw("-output"))
            {
                outputFilename = arguments.Strings["-output"];
            }


            //int triCount = int.MaxValue;
            //if (arguments.Saw("-tcount"))
            //    triCount = arguments.Integers["-tcount"];

            //float percent = 50.0f;
            //if (arguments.Saw("-percent"))
            //    percent = arguments.Floats["-percent"];

            bool verbose = true;
            //if (arguments.Saw("-v"))
            //    verbose = arguments.Flags["-v"];


            List <DMesh3> meshes;

            try {
                DMesh3Builder builder = new DMesh3Builder();
                IOReadResult  result  = StandardMeshReader.ReadFile(inputFilename, ReadOptions.Defaults, builder);
                if (result.code != IOCode.Ok)
                {
                    System.Console.WriteLine("Error reading {0} : {1}", inputFilename, result.message);
                    return;
                }
                meshes = builder.Meshes;
            } catch (Exception e) {
                System.Console.WriteLine("Exception reading {0} : {1}", inputFilename, e.Message);
                return;
            }
            if (meshes.Count == 0)
            {
                System.Console.WriteLine("file did not contain any valid meshes");
                return;
            }

            DMesh3 mesh = meshes[0];

            for (int k = 1; k < meshes.Count; ++k)
            {
                MeshEditor.Append(mesh, meshes[k]);
            }
            if (mesh.TriangleCount == 0)
            {
                System.Console.WriteLine("mesh does not contain any triangles");
                return;
            }

            if (verbose)
            {
                System.Console.WriteLine("initial mesh contains {0} triangles", mesh.TriangleCount);
            }

            if (verbose)
            {
                System.Console.WriteLine("Repairing...", mesh.TriangleCount);
            }

            MeshAutoRepair repair = new MeshAutoRepair(mesh);

            repair.RemoveMode = MeshAutoRepair.RemoveModes.None;
            bool bOK = repair.Apply();

            if (verbose)
            {
                if (bOK == false)
                {
                    System.Console.WriteLine("repair failed!");
                }
                else
                {
                    System.Console.WriteLine("done! repaired mesh contains {0} triangles", mesh.TriangleCount);
                }
            }

            try {
                IOWriteResult wresult =
                    StandardMeshWriter.WriteMesh(outputFilename, mesh, WriteOptions.Defaults);
                if (wresult.code != IOCode.Ok)
                {
                    System.Console.WriteLine("Error writing {0} : {1}", inputFilename, wresult.message);
                    return;
                }
            } catch (Exception e) {
                System.Console.WriteLine("Exception reading {0} : {1}", inputFilename, e.Message);
                return;
            }

            return;
        }
        //
        // [TODO]
        //   - binary output option
        //   - option to strip data from inputs (eg remove normals/colors/uv/material from obj)
        //   - option to remove material props from OBJ
        //   - option to combine input meshes
        //   - option to set float precision
        //   - option to estimate normals for writing (eg for obj)
        //   - option to set constant color for vertices
        //
        static void Main(string[] args)
        {
            if (args.Length != 2)
            {
                System.Console.WriteLine("gsMeshConvert v1.0 - Copyright gradientspace / Ryan Schmidt 2017");
                System.Console.WriteLine("Questions? Comments? www.gradientspace.com or @gradientspace");
                System.Console.WriteLine("usage: gsMeshConvert <input_mesh.format> (output_mesh.format)");
                return;
            }

            string sInputFile = args[0];

            if (!File.Exists(sInputFile))
            {
                System.Console.WriteLine("cannot find file " + sInputFile);
                return;
            }

            string sOutputFile = args[1];
            // check that can write output file


            DMesh3Builder      builder = new DMesh3Builder();
            StandardMeshReader reader  = new StandardMeshReader()
            {
                MeshBuilder = builder
            };
            ReadOptions  read_options = ReadOptions.Defaults;
            IOReadResult readOK       = reader.Read(sInputFile, read_options);

            if (readOK.code != IOCode.Ok)
            {
                System.Console.WriteLine("Error reading " + sInputFile);
                System.Console.WriteLine(readOK.message);
                return;
            }

            if (builder.Meshes.Count == 0)
            {
                System.Console.WriteLine("did not find any valid meshes in " + sInputFile);
                return;
            }

            List <WriteMesh> write_meshes = new List <WriteMesh>();

            foreach (DMesh3 mesh in builder.Meshes)
            {
                write_meshes.Add(new WriteMesh(mesh));
            }

            StandardMeshWriter writer        = new StandardMeshWriter();
            WriteOptions       write_options = WriteOptions.Defaults;
            IOWriteResult      writeOK       = writer.Write(sOutputFile, write_meshes, write_options);

            if (writeOK.code != IOCode.Ok)
            {
                System.Console.WriteLine("Error writing " + sOutputFile);
                System.Console.WriteLine(writeOK.message);
                return;
            }

            // ok done!
            //System.Console.ReadKey();
        }
Esempio n. 7
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        public static void test_read_thingi10k()
        {
            //const string THINGIROOT = "D:\\meshes\\Thingi10K\\raw_meshes\\";
            const string THINGIROOT = "F:\\Thingi10K\\raw_meshes\\";

            string[] files = Directory.GetFiles(THINGIROOT);

            SafeListBuilder <string> failures = new SafeListBuilder <string>();

            SafeListBuilder <string> empty             = new SafeListBuilder <string>();
            SafeListBuilder <string> closed            = new SafeListBuilder <string>();
            SafeListBuilder <string> open              = new SafeListBuilder <string>();
            SafeListBuilder <string> boundaries_failed = new SafeListBuilder <string>();

            int k = 0;

            gParallel.ForEach(files, (filename) => {
                int i = k;
                Interlocked.Increment(ref k);
                System.Console.WriteLine("{0} : {1}", i, filename);

                DMesh3Builder builder     = new DMesh3Builder();
                StandardMeshReader reader = new StandardMeshReader()
                {
                    MeshBuilder = builder
                };
                IOReadResult result = reader.Read(filename, ReadOptions.Defaults);
                if (result.code != IOCode.Ok)
                {
                    System.Console.WriteLine("{0} FAILED!", filename);
                    failures.SafeAdd(filename);
                    return;
                }

                bool is_open      = false;
                bool loops_failed = false;
                bool is_empty     = true;
                foreach (DMesh3 mesh in builder.Meshes)
                {
                    if (mesh.TriangleCount > 0)
                    {
                        is_empty = false;
                    }

                    if (mesh.IsClosed() == false)
                    {
                        is_open = true;
                        try {
                            MeshBoundaryLoops loops = new MeshBoundaryLoops(mesh, false)
                            {
                                SpanBehavior    = MeshBoundaryLoops.SpanBehaviors.ThrowException,
                                FailureBehavior = MeshBoundaryLoops.FailureBehaviors.ThrowException
                            };
                            loops.Compute();
                        } catch {
                            loops_failed = true;
                        }
                    }
                }

                if (is_empty)
                {
                    empty.SafeAdd(filename);
                }
                else if (is_open)
                {
                    open.SafeAdd(filename);
                    if (loops_failed)
                    {
                        boundaries_failed.SafeAdd(filename);
                    }
                }
                else
                {
                    closed.SafeAdd(filename);
                }
            });


            foreach (string failure in failures.Result)
            {
                System.Console.WriteLine("FAIL: {0}", failure);
            }

            TestUtil.WriteTestOutputStrings(empty.List.ToArray(), "thingi10k_empty.txt");
            TestUtil.WriteTestOutputStrings(closed.List.ToArray(), "thingi10k_closed.txt");
            TestUtil.WriteTestOutputStrings(open.List.ToArray(), "thingi10k_open.txt");
            TestUtil.WriteTestOutputStrings(boundaries_failed.List.ToArray(), "thingi10k_boundaries_failed.txt");
        }
        public static void test_autorepair_thingi10k()
        {
            //const string THINGIROOT = "E:\\Thingi10K\\";
            string WRITEPATH = "E:\\Thingi10K\\repair_fails\\";

            //string[] files = File.ReadAllLines("E:\\Thingi10K\\current\\thingi10k_open.txt");
            string[] files = File.ReadAllLines("C:\\git\\gsGeometryTests\\test_output\\thingi10k_autorepair_failures.txt");
            //string[] files = new string[] {
            //    "E:\\Thingi10K\\raw_meshes\\37011.stl"
            //};
            SafeListBuilder <string> failures = new SafeListBuilder <string>();

            int count         = 0;
            int MAX_NUM_FILES = 10000;

            gParallel.ForEach(files, (filename) => {
                if (count > MAX_NUM_FILES)
                {
                    return;
                }

                int i = count;
                Interlocked.Increment(ref count);
                if (i % 10 == 0)
                {
                    System.Console.WriteLine("{0} / {1}", i, files.Length);
                }

                long start_ticks = DateTime.Now.Ticks;

                DMesh3Builder builder     = new DMesh3Builder();
                StandardMeshReader reader = new StandardMeshReader()
                {
                    MeshBuilder = builder
                };
                IOReadResult result = reader.Read(filename, ReadOptions.Defaults);
                if (result.code != IOCode.Ok)
                {
                    System.Console.WriteLine("{0} FAILED TO READ!", filename);
                    failures.SafeAdd(filename);
                    return;
                }

                DMesh3 mesh = builder.Meshes[0];
                for (int k = 1; k < builder.Meshes.Count; ++k)
                {
                    MeshEditor.Append(mesh, builder.Meshes[k]);
                }
                DMesh3 before = new DMesh3(mesh);


                try {
                    MeshAutoRepair repair = new MeshAutoRepair(mesh);
                    repair.Apply();
                } catch (Exception e) {
                    System.Console.WriteLine("EXCEPTION {0} : {1}", filename, e.Message);
                    failures.SafeAdd(filename);
                    return;
                }

                if (mesh.IsClosed() == false)
                {
                    failures.SafeAdd(filename);
                    Util.WriteDebugMesh(before, WRITEPATH + Path.GetFileNameWithoutExtension(filename) + ".obj");
                    Util.WriteDebugMesh(mesh, WRITEPATH + Path.GetFileNameWithoutExtension(filename) + ".failed.obj");
                    return;
                }
                else
                {
                    if (mesh.CheckValidity(false, FailMode.ReturnOnly) == false)
                    {
                        System.Console.WriteLine("INVALID {0}", filename);
                        failures.SafeAdd(filename);

                        Util.WriteDebugMesh(before, WRITEPATH + Path.GetFileNameWithoutExtension(filename) + ".obj");
                        Util.WriteDebugMesh(mesh, WRITEPATH + Path.GetFileNameWithoutExtension(filename) + ".invalid.obj");

                        return;
                    }
                }
            });


            //foreach (string failure in failures.Result) {
            //    System.Console.WriteLine("FAIL: {0}", failure);
            //}
            System.Console.WriteLine("repaired {0} of {1}", files.Length - failures.Result.Count, files.Length);

            TestUtil.WriteTestOutputStrings(make_strings(failures), "thingi10k_autorepair_failures_new.txt");
        }
Esempio n. 9
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        //
        // [TODO]
        //
        static void Main(string[] args)
        {
            CommandArgumentSet arguments = new CommandArgumentSet();

            arguments.Register("-output", "");
            if (arguments.Parse(args) == false)
            {
                return;
            }
            if (arguments.Filenames.Count != 1)
            {
                print_usage();
                return;
            }

            string sInputFile    = arguments.Filenames[0];
            string sFilenameRoot = Path.GetFileNameWithoutExtension(sInputFile);

            if (!File.Exists(sInputFile))
            {
                System.Console.WriteLine("cannot find file " + sInputFile);
                return;
            }


            DMesh3Builder      builder = new DMesh3Builder();
            StandardMeshReader reader  = new StandardMeshReader()
            {
                MeshBuilder = builder
            };
            ReadOptions read_options = ReadOptions.Defaults;

            read_options.ReadMaterials = true;
            IOReadResult readOK = reader.Read(sInputFile, read_options);

            if (readOK.code != IOCode.Ok)
            {
                System.Console.WriteLine("Error reading " + sInputFile);
                System.Console.WriteLine(readOK.message);
                return;
            }

            if (builder.Meshes.Count == 0)
            {
                System.Console.WriteLine("did not find any valid meshes in " + sInputFile);
                return;
            }

            // [TODO] out if count == 0

            string sOutRoot = arguments.Strings["-output"];

            if (sOutRoot.Length > 0)
            {
                bool bOutIsFolder = Directory.Exists(sOutRoot);
                if (!bOutIsFolder)
                {
                    System.Console.WriteLine("-output folder {0} does not exist", sOutRoot);
                    return;
                }
            }

            Dictionary <int, List <int> > MeshesByMaterial = new Dictionary <int, List <int> >();

            MeshesByMaterial[-1] = new List <int>();
            for (int i = 0; i < builder.Materials.Count; ++i)
            {
                MeshesByMaterial[i] = new List <int>();
            }

            int N = builder.Meshes.Count;

            for (int i = 0; i < N; ++i)
            {
                int mati = builder.MaterialAssignment[i];
                if (mati >= builder.Materials.Count)
                {
                    mati = -1;
                }
                MeshesByMaterial[mati].Add(i);
            }

            int file_i = 0;

            foreach (int mat_i in MeshesByMaterial.Keys)
            {
                List <int> mesh_idxs = MeshesByMaterial[mat_i];
                if (mesh_idxs.Count == 0)
                {
                    continue;
                }

                WriteMesh[] write_meshes = new WriteMesh[mesh_idxs.Count];
                for (int i = 0; i < mesh_idxs.Count; ++i)
                {
                    write_meshes[i] = new WriteMesh(builder.Meshes[mesh_idxs[i]]);
                }

                string suffix   = string.Format("_material{0}", file_i++);
                string sOutPath = Path.Combine(sOutRoot, sFilenameRoot + suffix + ".obj");

                StandardMeshWriter writer        = new StandardMeshWriter();
                WriteOptions       write_options = WriteOptions.Defaults;
                if (mat_i != -1)
                {
                    write_options.bWriteMaterials  = true;
                    write_options.bPerVertexUVs    = true;
                    write_options.MaterialFilePath = Path.Combine(sOutRoot, sFilenameRoot + suffix + ".mtl");

                    GenericMaterial        mat     = builder.Materials[mat_i];
                    List <GenericMaterial> matList = new List <GenericMaterial>()
                    {
                        mat
                    };
                    ConstantIndexMap idxmap = new ConstantIndexMap(0);

                    for (int i = 0; i < write_meshes.Length; ++i)
                    {
                        write_meshes[i].Materials        = matList;
                        write_meshes[i].TriToMaterialMap = idxmap;
                    }
                }
                IOWriteResult writeOK = writer.Write(sOutPath, new List <WriteMesh>(write_meshes), write_options);
                if (writeOK.code != IOCode.Ok)
                {
                    System.Console.WriteLine("Error writing " + sOutPath);
                    System.Console.WriteLine(writeOK.message);
                }
            }


            // ok done!
            //System.Console.ReadKey();
        }
Esempio n. 10
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        public bool ImportAutoUpdate(PrintMeshSO so)
        {
            SourceFilePath = so.SourceFilePath;
            if (!File.Exists(SourceFilePath))
            {
                ErrorMessage = "MeshImporter.ImportAutoUpdate: file does not exist";
                return(false);
            }

            DMesh3Builder      builder = new DMesh3Builder();
            StandardMeshReader reader  = new StandardMeshReader()
            {
                MeshBuilder = builder
            };

            long timestamp = File.GetLastWriteTime(SourceFilePath).Ticks;

            IOReadResult result = reader.Read(SourceFilePath, ReadOptions.Defaults);

            if (result.code != IOCode.Ok)
            {
                ErrorMessage = "MeshImporter.ImportAutoUpdate: failed with message " + result.message;
                return(false);
            }
            if (builder.Meshes.Count == 0)
            {
                ErrorMessage = "MeshImporter.ImportAutoUpdate: no meshes in file!";
                return(false);
            }
            if (builder.Meshes.Count != 1)
            {
                ErrorMessage = "MeshImporter.ImportAutoUpdate: can only auto-update from file with single mesh!";
                return(false);
            }
            DMesh3 mesh = builder.Meshes[0];

            // unity xforms
            MeshTransforms.ConvertZUpToYUp(mesh);
            MeshTransforms.FlipLeftRightCoordSystems(mesh);

            // wait for any active tools to finish
            // [TODO] do we need to do this?
            while (CC.ActiveContext.ToolManager.HasActiveTool())
            {
                Thread.Sleep(1000);
            }

            if (CC.ActiveScene.SceneObjects.Contains(so) == false)
            {
                ErrorMessage = "MeshImporter.ImportAutoUpdate: SO no longer exists";
                return(false);
            }

            // change event??

            so.LastReadFileTimestamp = timestamp;
            ThreadMailbox.PostToMainThread(() => {
                so.ReplaceMesh(mesh, true);
            });
            return(true);
        }
Esempio n. 11
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        public async Task ImportInteractive(string sFilename, Action <string> onCompletedF)
        {
            SourceFilePath = sFilename;

            DMesh3Builder      builder = new DMesh3Builder();
            StandardMeshReader reader  = new StandardMeshReader()
            {
                MeshBuilder = builder
            };

            await Task.Run(() => {
                IOReadResult result = reader.Read(SourceFilePath, ReadOptions.Defaults);
                if (result.code != IOCode.Ok)
                {
                    ErrorMessage = "MeshImporter.Import: failed with message " + result.message;
                    return;
                }
            });

            if (builder.Meshes.Count == 0)
            {
                ErrorMessage = "MeshImporter.Import: no meshes in file!";
                return;
            }

            await Task.Run(() => {
                // apply unity xforms
                foreach (DMesh3 mesh in builder.Meshes)
                {
                    MeshTransforms.ConvertZUpToYUp(mesh);
                    MeshTransforms.FlipLeftRightCoordSystems(mesh);
                }

                TriCount = 0;
                Bounds   = AxisAlignedBox3d.Empty;
                foreach (var m in builder.Meshes)
                {
                    TriCount += m.TriangleCount;
                    Bounds.Contain(m.CachedBounds);
                }
            });

            bool   bSmall    = (Bounds.MaxDim < HeightMinThreshold);
            bool   bTall     = (Bounds.Height > CC.Settings.BedSizeYMM);
            double maxXZ     = Math.Max(Bounds.Width, Bounds.Depth);
            double bedMin    = Math.Min(CC.Settings.BedSizeXMM, CC.Settings.BedSizeZMM);
            bool   bLarge    = (Bounds.Width > 2 * CC.Settings.BedSizeXMM) || (maxXZ > 2 * bedMin);
            bool   bTriCount = (TriCount > TriCountThreshold);

            switch (CCPreferences.ImportAssistantMode)
            {
            case CCPreferences.ImportAssistantModes.PhysicalSizeOnly:
                bTriCount = false; break;

            case CCPreferences.ImportAssistantModes.MeshSizeOnly:
                bLarge = bSmall = bTall = false; break;

            case CCPreferences.ImportAssistantModes.Disabled:
                bLarge = bSmall = bTall = bTriCount = false; break;
            }

            if (bTriCount || bSmall || bLarge)
            {
                ImportMeshDialog.Show(CotangentUI.MainUICanvas,
                                      bSmall, bTall, bLarge, Bounds.Height,
                                      bTriCount, TriCount,
                                      async(scale, tricount) => { await process_and_complete_import(SourceFilePath, builder, scale, tricount, onCompletedF); },
                                      async() => { await complete_import(SourceFilePath, builder, onCompletedF); }
                                      );
            }
            else
            {
                await complete_import(SourceFilePath, builder, onCompletedF);
            }
        }
Esempio n. 12
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        static void Main(string[] args)
        {
            CommandArgumentSet arguments = new CommandArgumentSet();

            arguments.Register("-tcount", int.MaxValue);
            arguments.Register("-percent", 50.0f);
            arguments.Register("-v", false);
            arguments.Register("-output", "");
            if (arguments.Parse(args) == false)
            {
                return;
            }

            if (arguments.Filenames.Count != 1)
            {
                print_usage();
                return;
            }
            string inputFilename = arguments.Filenames[0];

            if (!File.Exists(inputFilename))
            {
                System.Console.WriteLine("File {0} does not exist", inputFilename);
                return;
            }


            string outputFilename = Path.GetFileNameWithoutExtension(inputFilename);
            string format         = Path.GetExtension(inputFilename);

            outputFilename = outputFilename + ".reduced" + format;
            if (arguments.Saw("-output"))
            {
                outputFilename = arguments.Strings["-output"];
            }


            int triCount = int.MaxValue;

            if (arguments.Saw("-tcount"))
            {
                triCount = arguments.Integers["-tcount"];
            }

            float percent = 50.0f;

            if (arguments.Saw("-percent"))
            {
                percent = arguments.Floats["-percent"];
            }

            bool verbose = false;

            if (arguments.Saw("-v"))
            {
                verbose = arguments.Flags["-v"];
            }


            List <DMesh3> meshes;

            try {
                DMesh3Builder builder = new DMesh3Builder();
                IOReadResult  result  = StandardMeshReader.ReadFile(inputFilename, ReadOptions.Defaults, builder);
                if (result.code != IOCode.Ok)
                {
                    System.Console.WriteLine("Error reading {0} : {1}", inputFilename, result.message);
                    return;
                }
                meshes = builder.Meshes;
            } catch (Exception e) {
                System.Console.WriteLine("Exception reading {0} : {1}", inputFilename, e.Message);
                return;
            }
            if (meshes.Count == 0)
            {
                System.Console.WriteLine("file did not contain any valid meshes");
                return;
            }

            DMesh3 mesh = meshes[0];

            for (int k = 1; k < meshes.Count; ++k)
            {
                MeshEditor.Append(mesh, meshes[k]);
            }
            if (mesh.TriangleCount == 0)
            {
                System.Console.WriteLine("mesh does not contain any triangles");
                return;
            }

            if (verbose)
            {
                System.Console.WriteLine("initial mesh contains {0} triangles", mesh.TriangleCount);
            }

            Reducer r = new Reducer(mesh);

            if (triCount < int.MaxValue)
            {
                if (verbose)
                {
                    System.Console.Write("reducing to {0} triangles...", triCount);
                }
                r.ReduceToTriangleCount(triCount);
            }
            else
            {
                int nT = (int)((float)mesh.TriangleCount * percent / 100.0f);
                nT = MathUtil.Clamp(nT, 1, mesh.TriangleCount);
                if (verbose)
                {
                    System.Console.Write("reducing to {0} triangles...", nT);
                }
                r.ReduceToTriangleCount(nT);
            }

            if (verbose)
            {
                System.Console.WriteLine("done!");
            }

            try {
                IOWriteResult wresult =
                    StandardMeshWriter.WriteMesh(outputFilename, mesh, WriteOptions.Defaults);
                if (wresult.code != IOCode.Ok)
                {
                    System.Console.WriteLine("Error writing {0} : {1}", inputFilename, wresult.message);
                    return;
                }
            } catch (Exception e) {
                System.Console.WriteLine("Exception reading {0} : {1}", inputFilename, e.Message);
                return;
            }

            return;
        }
Esempio n. 13
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        public static void test_write_solids()
        {
            //string FORMAT = ".obj";
            string FORMAT    = ".g3mesh";
            string WRITEPATH = "E:\\Thingi10K\\closed\\";

            string[] files = File.ReadAllLines("E:\\Thingi10K\\current\\thingi10k_closed.txt");
            SafeListBuilder <string> failures = new SafeListBuilder <string>();

            if (!Directory.Exists(WRITEPATH))
            {
                Directory.CreateDirectory(WRITEPATH);
            }

            int k = 0;

            gParallel.ForEach(files, (filename) => {
                int i = k;
                Interlocked.Increment(ref k);
                if (i % 500 == 0)
                {
                    System.Console.WriteLine("{0} : {1}", i, files.Length);
                }

                long start_ticks = DateTime.Now.Ticks;

                DMesh3Builder builder     = new DMesh3Builder();
                StandardMeshReader reader = new StandardMeshReader()
                {
                    MeshBuilder = builder
                };
                IOReadResult result = reader.Read(filename, ReadOptions.Defaults);
                if (result.code != IOCode.Ok)
                {
                    System.Console.WriteLine("{0} FAILED!", filename);
                    failures.SafeAdd(filename);
                    return;
                }

                DMesh3 combineMesh = new DMesh3();
                if (builder.Meshes.Count == 1)
                {
                    combineMesh = builder.Meshes[0];
                }
                else
                {
                    foreach (DMesh3 mesh in builder.Meshes)
                    {
                        MeshEditor.Append(combineMesh, mesh);
                    }
                }


                if (combineMesh.IsClosed() == false)
                {
                    MergeCoincidentEdges closeCracks = new MergeCoincidentEdges(combineMesh);
                    closeCracks.Apply();
                }

                if (combineMesh.IsClosed() == false)
                {
                    System.Console.WriteLine("NOT CLOSED: {0}", filename);
                    return;
                }

                string outPath = Path.Combine(WRITEPATH, Path.GetFileNameWithoutExtension(filename) + FORMAT);
                StandardMeshWriter.WriteMesh(outPath, combineMesh, WriteOptions.Defaults);
            });
        }
Esempio n. 14
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        public static void test_specific_file()
        {
            //string filename = "F:\\Thingi10K\\raw_meshes\\1423009.stl";
            //string filename = "E:\\Thingi10K\\raw_meshes\\99944.stl";
            string filename = "E:\\Thingi10K\\raw_meshes\\57356.stl";

            System.Console.WriteLine("reading {0}", filename);

            DMesh3Builder      builder = new DMesh3Builder();
            StandardMeshReader reader  = new StandardMeshReader()
            {
                MeshBuilder = builder
            };
            IOReadResult result = reader.Read(filename, ReadOptions.Defaults);

            if (result.code != IOCode.Ok)
            {
                System.Console.WriteLine("{0} FAILED!", filename);
                return;
            }

            System.Console.WriteLine("got {0} meshes", builder.Meshes.Count);

            bool is_open      = false;
            bool loops_failed = false;
            bool is_empty     = true;

            foreach (DMesh3 mesh in builder.Meshes)
            {
                if (mesh.TriangleCount > 0)
                {
                    is_empty = false;
                }

                TestUtil.WriteTestOutputMesh(mesh, "thingi10k_specific_file_in.obj");

                if (mesh.IsClosed() == false)
                {
                    MergeCoincidentEdges closeCracks = new MergeCoincidentEdges(mesh);
                    closeCracks.Apply();
                }

                if (mesh.IsClosed() == false)
                {
                    is_open = true;
                    try {
                        MeshBoundaryLoops loops = new MeshBoundaryLoops(mesh, false)
                        {
                            SpanBehavior    = MeshBoundaryLoops.SpanBehaviors.Compute,
                            FailureBehavior = MeshBoundaryLoops.FailureBehaviors.ConvertToOpenSpan
                        };
                        loops.Compute();
                    } catch (Exception e) {
                        System.Console.WriteLine("EXCEPTION: " + e.Message);
                        loops_failed = true;
                    }
                }

                System.Console.WriteLine("open: {0}  loopsFailed: {1}  empty: {2}", is_open, loops_failed, is_empty);
                TestUtil.WriteTestOutputMesh(mesh, "thingi10k_specific_file_out.obj");
            }
        }
Esempio n. 15
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        public static void test_repair_all()
        {
            //const string THINGIROOT = "D:\\meshes\\Thingi10K\\raw_meshes\\";
            const string THINGIROOT = "E:\\Thingi10K\\raw_meshes\\";

            string[] files = Directory.GetFiles(THINGIROOT);
            //files = File.ReadAllLines("C:\\git\\geometry3SharpDemos\\geometry3Test\\test_output\\thingi10k_open.txt");
            SafeListBuilder <string> failures = new SafeListBuilder <string>();

            SafeListBuilder <string> empty                   = new SafeListBuilder <string>();
            SafeListBuilder <string> closed                  = new SafeListBuilder <string>();
            SafeListBuilder <string> open                    = new SafeListBuilder <string>();
            SafeListBuilder <string> boundaries_failed       = new SafeListBuilder <string>();
            SafeListBuilder <string> boundaries_spans_failed = new SafeListBuilder <string>();
            SafeListBuilder <string> slow                    = new SafeListBuilder <string>();
            SafeListBuilder <string> veryslow                = new SafeListBuilder <string>();

            int k             = 0;
            int MAX_NUM_FILES = 10000;

            gParallel.ForEach(files, (filename) => {
                if (k > MAX_NUM_FILES)
                {
                    return;
                }

                int i = k;
                Interlocked.Increment(ref k);
                System.Console.WriteLine("{0} : {1}", i, filename);

                long start_ticks = DateTime.Now.Ticks;

                DMesh3Builder builder     = new DMesh3Builder();
                StandardMeshReader reader = new StandardMeshReader()
                {
                    MeshBuilder = builder
                };
                IOReadResult result = reader.Read(filename, ReadOptions.Defaults);
                if (result.code != IOCode.Ok)
                {
                    System.Console.WriteLine("{0} FAILED!", filename);
                    failures.SafeAdd(filename);
                    return;
                }

                bool is_open            = false;
                bool loops_failed       = false;
                bool loops_spans_failed = false;
                bool is_empty           = true;
                foreach (DMesh3 mesh in builder.Meshes)
                {
                    if (mesh.TriangleCount > 0)
                    {
                        is_empty = false;
                    }

                    if (mesh.IsClosed() == false)
                    {
                        MergeCoincidentEdges closeCracks = new MergeCoincidentEdges(mesh);
                        closeCracks.Apply();
                    }

                    if (mesh.IsClosed() == false)
                    {
                        is_open = true;
                        try {
                            MeshBoundaryLoops loops = new MeshBoundaryLoops(mesh, false)
                            {
                                SpanBehavior    = MeshBoundaryLoops.SpanBehaviors.ThrowException,
                                FailureBehavior = MeshBoundaryLoops.FailureBehaviors.ThrowException
                            };
                            loops.Compute();
                        } catch {
                            loops_failed = true;
                        }

                        if (loops_failed)
                        {
                            try {
                                MeshBoundaryLoops loops = new MeshBoundaryLoops(mesh, false)
                                {
                                    SpanBehavior    = MeshBoundaryLoops.SpanBehaviors.Compute,
                                    FailureBehavior = MeshBoundaryLoops.FailureBehaviors.ConvertToOpenSpan
                                };
                                loops.Compute();
                            } catch {
                                loops_spans_failed = true;
                            }
                        }
                    }
                }


                TimeSpan elapsed = new TimeSpan(DateTime.Now.Ticks - start_ticks);
                if (elapsed.TotalSeconds > 60)
                {
                    veryslow.SafeAdd(filename);
                }
                else if (elapsed.TotalSeconds > 10)
                {
                    slow.SafeAdd(filename);
                }

                if (is_empty)
                {
                    empty.SafeAdd(filename);
                }
                else if (is_open)
                {
                    open.SafeAdd(filename);
                    if (loops_failed)
                    {
                        boundaries_failed.SafeAdd(filename);
                    }
                    if (loops_spans_failed)
                    {
                        boundaries_spans_failed.SafeAdd(filename);
                    }
                }
                else
                {
                    closed.SafeAdd(filename);
                }
            });


            foreach (string failure in failures.Result)
            {
                System.Console.WriteLine("FAIL: {0}", failure);
            }

            TestUtil.WriteTestOutputStrings(make_strings(failures), "thingi10k_failures.txt");
            TestUtil.WriteTestOutputStrings(make_strings(empty), "thingi10k_empty.txt");
            TestUtil.WriteTestOutputStrings(make_strings(closed), "thingi10k_closed.txt");
            TestUtil.WriteTestOutputStrings(make_strings(open), "thingi10k_open.txt");
            TestUtil.WriteTestOutputStrings(make_strings(boundaries_failed), "thingi10k_boundaries_failed.txt");
            TestUtil.WriteTestOutputStrings(make_strings(boundaries_spans_failed), "thingi10k_boundaries_spans_failed.txt");

            TestUtil.WriteTestOutputStrings(make_strings(slow), "thingi10k_slow.txt");
            TestUtil.WriteTestOutputStrings(make_strings(veryslow), "thingi10k_veryslow.txt");
        }
Esempio n. 16
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        static void Main(string[] args)
        {
            bool INTERACTIVE = true;


            //string inFile = "c:\\scratch\\test_bunny.obj";
            //string inFile = "c:\\scratch\\bunny_100k.obj";
            //string inFile = "c:\\scratch\\test_bunny_ascii.stl";
            string inFile  = "c:\\scratch\\test_bunny_binary.stl";
            string outFile = "c:\\scratch\\test_bunny_out.obj";

            ReadOptions read_options = new ReadOptions();

            read_options.ReadMaterials = false;
            StandardMeshReader reader      = new StandardMeshReader();
            DMesh3Builder      builder     = new DMesh3Builder();
            IOReadResult       read_result = StandardMeshReader.ReadFile(inFile, read_options, builder);

            if (read_result.code != IOCode.Ok)
            {
                System.Console.WriteLine("Error reading " + inFile + " : " + read_result.message);
                if (INTERACTIVE)
                {
                    System.Console.WriteLine("press enter key to exit");
                    System.Console.ReadLine();
                }
                return;
            }


            WriteOptions write_options = new WriteOptions();

            write_options.bCombineMeshes = true;
            write_options.bWriteBinary   = true;

            List <WriteMesh> outMeshes = new List <WriteMesh>();

            foreach (DMesh3 m in builder.Meshes)
            {
                outMeshes.Add(new WriteMesh(m));
            }

            IOWriteResult write_result = StandardMeshWriter.WriteFile(outFile, outMeshes, write_options);

            if (write_result.code != IOCode.Ok)
            {
                System.Console.WriteLine("Error writing " + outFile + " : " + write_result.message);
                if (INTERACTIVE)
                {
                    System.Console.WriteLine("press enter key to exit");
                    System.Console.ReadLine();
                }
                return;
            }


            if (INTERACTIVE)
            {
                System.Console.WriteLine("Done conversion, press enter key to exit");
                System.Console.ReadLine();
            }
        }