20210129/README.md

@@ -19,3 +19,5 @@
 ## 打卡
 
 1. 尹莫波-demo文件夹
+2. 林家烁-ljs文件夹
+

20210129/demo/js/loader.js

@@ -96,7 +96,7 @@ BIMLoader = function(json)
         var edges = new THREE.EdgesGeometry(mesh.geometry);
         var line = new THREE.LineSegments(edges, new THREE.LineBasicMaterial({color: 0xff0000}));
             
-        obj.add(mesh);
+        obj.add(mesh.clone());
         obj.add(line);
     }
 }

20210129/hcx/TestCommand.cs

@@ -0,0 +1,316 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Autodesk.Revit.DB;
+using Autodesk.Revit.UI;
+using Autodesk.Revit.Attributes;
+using Autodesk.Revit.UI.Selection;
+using System.IO;
+using System.Windows.Forms;
+using Newtonsoft.Json;
+using System.Collections;
+
+namespace WebGL
+{
+    [Transaction(TransactionMode.Manual)]
+    public class TestCommand : IExternalCommand
+    {
+        public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements)
+        {
+            #region MyRegion
+            List<Reference> refes = null;
+            UIDocument uiDoc = commandData.Application.ActiveUIDocument;
+            Document doc = uiDoc.Document;
+
+            try
+            {
+                refes = uiDoc.Selection.PickObjects(ObjectType.Element, "选择Element").ToList();
+            }
+            catch
+            {
+                return Result.Cancelled;
+            }
+
+            List<MyElement> myElements = new List<MyElement>();
+            List<MyMaterial> myMaterials = new List<MyMaterial>();
+            List<MyMesh> myMeshes = new List<MyMesh>();
+
+            Transaction trans = new Transaction(doc, "1212");
+            trans.Start();
+            foreach (var refe in refes)
+            {
+                List<XYZ> points = new List<XYZ>();
+
+                Element element = doc.GetElement(refe);
+                Color color = new Color(0, 0, 0);
+                int transparent = 0;
+
+                var materialIds = element.GetMaterialIds(false).ToList();
+                foreach (var materialId in materialIds)
+                {
+                    var material = doc.GetElement(materialId) as Material;
+                    if (material != null)
+                    {
+                        transparent = material.Transparency;
+                        color = material.Color; 
+                    }
+
+                    myMaterials.Add(new MyMaterial { color = ToHexColor(color), transparent = transparent });
+                }
+
+                //顶点索引
+                List<int> indices = new List<int>();
+                var solids = GetSolidByElement(element, ViewDetailLevel.Fine);
+                foreach (var solid in solids)
+                {
+                    var faces = solid.Faces;
+                    //循环每个面
+                    foreach (Face face in faces)
+                    {
+                        // 对每个面进行三角面片化
+                        Mesh mesh = face.Triangulate();
+                        if (mesh == null) continue;
+
+                        for (int i = 0; i < mesh.NumTriangles; i++)
+                        {
+                            MeshTriangle triangular = mesh.get_Triangle(i);
+
+                            for (int n = 0; n < 3; n++)
+                            {
+                                XYZ point = triangular.get_Vertex(n);
+                                if (points.Count == 0)
+                                {
+                                    points.Add(point);
+                                    indices.Add(points.Count - 1);
+                                }
+                                else
+                                {
+                                    XYZ tempPoint = points.Where(a => a.DistanceTo(point) < 0.01).FirstOrDefault();
+                                    if (tempPoint != null)
+                                    {
+                                        int index = points.IndexOf(tempPoint);
+                                        indices.Add(index);
+                                    }
+                                    else
+                                    {
+                                        points.Add(point);
+                                        indices.Add(points.Count - 1);
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+
+                //顶点坐标
+                List<double> listVertices = new List<double>();
+                foreach (var point in points)
+                {
+                    listVertices.Add(point.X * 304.8);
+                    listVertices.Add(point.Y * 304.8);
+                    listVertices.Add(point.Z * 304.8);
+                }
+
+                //顶点法线
+                List<double> normals = new List<double>();
+                for (int i = 1; i <= indices.Count; i++)
+                {
+                    if (i % 3 == 0)
+                    {
+                        XYZ point1 = points[indices[i - 3]];
+                        XYZ point2 = points[indices[i - 2]];
+                        XYZ point3 = points[indices[i - 1]];
+                        //(P0 - P1) 叉乘  (P2 - P1）
+
+                        var normal_1 = (point2 - point1).CrossProduct(point3 - point1).Normalize();
+                        var normal_2 = (point1 - point2).CrossProduct(point3 - point2).Normalize();
+                        var normal_3 = (point1 - point3).CrossProduct(point1 - point3).Normalize();
+
+                        double[] normal1 = new double[3];
+                        normal1[0] = normal_1.X;
+                        normal1[1] = normal_1.Y;
+                        normal1[2] = normal_1.Z;
+
+                        double[] normal2 = new double[3];
+                        normal2[0] = normal_1.X;
+                        normal2[1] = normal_1.Y;
+                        normal2[2] = normal_1.Z;
+
+                        double[] normal3 = new double[3];
+                        normal3[0] = normal_1.X;
+                        normal3[1] = normal_1.Y;
+                        normal3[2] = normal_1.Z;
+
+                        //x,y,z
+                        normals.Add(normal1[0]);
+                        normals.Add(normal1[1]);
+                        normals.Add(normal1[2]);
+
+                        normals.Add(normal2[0]);
+                        normals.Add(normal2[1]);
+                        normals.Add(normal2[2]);
+
+                        normals.Add(normal3[0]);
+                        normals.Add(normal3[1]);
+                        normals.Add(normal3[2]);
+                    }
+                }
+
+                List<double> transfroms = new List<double>();
+                transfroms.Add(1);
+                transfroms.Add(0);
+                transfroms.Add(0);
+                transfroms.Add(0);
+                transfroms.Add(0);
+                transfroms.Add(1);
+                transfroms.Add(0);
+                transfroms.Add(0);
+                transfroms.Add(0);
+                transfroms.Add(0);
+                transfroms.Add(1);
+                transfroms.Add(0);
+                transfroms.Add(0);
+                transfroms.Add(0);
+                transfroms.Add(0);
+                transfroms.Add(1);
+
+                ElementInfo info = new ElementInfo
+                {
+                    name = element.Name
+                };
+
+                myMeshes.Add(new MyMesh()
+                {
+                    indices = indices,
+                    vertices = listVertices,
+                    material = myMaterials.Count - 1,
+                    normals = normals
+                });
+
+                myElements.Add(new MyElement()
+                {
+                    id = element.Id.ToString(),
+                    mesh = myMeshes.Count - 1,
+                    transform = transfroms,
+                    visible = 1.0f,
+                    info = info
+                });
+            }
+            trans.Commit();
+
+            SaveFileDialog dialog = new SaveFileDialog();
+            dialog.Filter = "json文件 (*.json)|*.json";
+            dialog.DefaultExt = ".json";
+            dialog.Title = "导出配置文件";
+
+            if (dialog.ShowDialog() == DialogResult.OK)
+            {
+                var Model = new
+                {
+                    instances = myElements,
+                    meshes = myMeshes,
+                    materials = myMaterials
+                };
+
+                File.WriteAllText(dialog.FileName, JsonConvert.SerializeObject(Model, Formatting.Indented));
+            }
+
+            #endregion
+
+            return Result.Succeeded;
+        }
+
+        private string ToHexColor(Color color)
+        {
+            string R = Convert.ToString(color.Red, 16);
+            if (R == "0")
+                R = "00";
+            string G = Convert.ToString(color.Green, 16);
+            if (G == "0")
+                G = "00";
+            string B = Convert.ToString(color.Blue, 16);
+            if (B == "0")
+                B = "00";
+            string HexColor = "#" + R + G + B;
+            return HexColor;
+        }
+
+        private IList<Solid> GetSolidByElement(Element element, ViewDetailLevel viewDetailLevel)
+        {
+            List<Solid> lstSolid = new List<Solid>();
+            try
+            {
+                Options options = new Options();
+                options.IncludeNonVisibleObjects = false;
+                options.DetailLevel = viewDetailLevel;
+                options.ComputeReferences = true;
+
+                GeometryElement geoElement = element.get_Geometry(options);
+                IEnumerator enumerator = geoElement.GetEnumerator();
+                {
+                    while (enumerator.MoveNext())
+                    {
+                        GeometryObject geoObj = enumerator.Current as GeometryObject;
+                        if (geoObj is GeometryInstance)
+                        {
+                            GeometryInstance geoinstance = geoObj as GeometryInstance;
+                            GeometryElement geoObjtmp = geoinstance.GetInstanceGeometry();
+                            //GeometryElement geoObjtmp = geoinstance.GetSymbolGeometry();
+                            IEnumerator enumeratorobj = geoObjtmp.GetEnumerator();
+                            {
+                                while (enumeratorobj.MoveNext())
+                                {
+                                    GeometryObject obj2 = enumeratorobj.Current as GeometryObject;
+                                    if (obj2 is Solid)
+                                    {
+                                        lstSolid.Add(obj2 as Solid);
+                                    }
+                                }
+                            }
+                        }
+                        else if (geoObj is Solid)
+                        {
+                            lstSolid.Add(geoObj as Solid);
+                        }
+                    }
+                }
+            }
+            catch
+            {
+                //throw;
+            }
+            return lstSolid;
+        }
+
+    }
+
+    public class MyElement
+    {
+        public string id { get; set; }
+        public List<double> transform { get; set; }
+        public float visible { get; set; }
+        public int mesh { get; set; }
+        public ElementInfo info { get; set; }
+    }
+
+    public class ElementInfo
+    {
+        public string name { get; set; }
+    }
+
+    public class MyMesh
+    {
+        public List<double> vertices { get; set; }
+        public List<double> normals { get; set; }
+        public List<int> indices { get; set; }
+        public int material { get; set; }
+    }
+
+    public class MyMaterial
+    {
+        public string color { get; set; }
+        public int transparent { get; set; }
+    }
+}

20210129/ljs/LjsGo.Navisworks/GraphicsAssignment/ExportGeometryToJson/CallbackGeomListener.cs

@@ -0,0 +1,109 @@
+using Autodesk.Navisworks.Api.Interop.ComApi;
+using LjsGo.Navisworks.GraphicsAssignment.ExportGeometryToJson.Models;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LjsGo.Navisworks.GraphicsAssignment.ExportGeometryToJson
+{
+    public class CallbackGeomListener : InwSimplePrimitivesCB
+    {
+        //static FileStream aFile = new FileStream(@"C:\Users\Don\Desktop\项目1.txt", FileMode.OpenOrCreate);
+        //static StreamWriter sw = new StreamWriter(aFile);
+        public InwLTransform3f3 LCS2WCS;
+
+        //public ModelData ModelData { get; set; }
+
+        //public List<InwSimpleVertex> vertices { get; set; }
+        //public List<LineTest> lines { get; set; }
+
+        public List<double> vertexes { get; set; }
+
+        public List<double> normals { get; set; }
+
+        public List<string> vertexes_str { get; set; }
+
+        public List<string> normals_str { get; set; }
+
+        public CallbackGeomListener()
+        {
+            vertexes = new List<double>();
+            normals = new List<double>();
+            vertexes_str = new List<string>();
+            normals_str = new List<string>();
+        }
+
+        public void Line(InwSimpleVertex v1, InwSimpleVertex v2)
+        {
+            // do your work 
+        }
+
+        public void Point(InwSimpleVertex v1)
+        {
+            // do your work 
+        }
+
+        public void SnapPoint(InwSimpleVertex v1)
+        {
+            // do your work 
+        }
+
+        public void Triangle(InwSimpleVertex v1, InwSimpleVertex v2, InwSimpleVertex v3)
+        {
+            //var v1Str = TranslationUtils.TranslationCoordLCS2WCS(v1, LCS2WCS);
+            //vertexes.AddRange(v1Str);
+            //var v2Str = TranslationUtils.TranslationCoordLCS2WCS(v2, LCS2WCS);
+            //vertexes.AddRange(v2Str);
+            //var v3Str = TranslationUtils.TranslationCoordLCS2WCS(v3, LCS2WCS);
+            //vertexes.AddRange(v3Str);
+
+            //var n1Str = TranslationUtils.TranslationNormalLCS2WCS(v1, LCS2WCS);
+            //normals.AddRange(n1Str);
+            //var n2Str = TranslationUtils.TranslationNormalLCS2WCS(v2, LCS2WCS);
+            //normals.AddRange(n2Str);
+            //var n3Str = TranslationUtils.TranslationNormalLCS2WCS(v3, LCS2WCS);
+            //normals.AddRange(n3Str);
+
+            //vertexes_str.Add(TranslationUtils.TranslationCoordLCS2WCSStr(v1, LCS2WCS));
+            //vertexes_str.Add(TranslationUtils.TranslationCoordLCS2WCSStr(v2, LCS2WCS));
+            //vertexes_str.Add(TranslationUtils.TranslationCoordLCS2WCSStr(v3, LCS2WCS));
+
+            //normals_str.Add(TranslationUtils.TranslationNormalLCS2WCSStr(v1, LCS2WCS));
+            //normals_str.Add(TranslationUtils.TranslationNormalLCS2WCSStr(v2, LCS2WCS));
+            //normals_str.Add(TranslationUtils.TranslationNormalLCS2WCSStr(v3, LCS2WCS));
+
+            var v1Str = TranslationUtils.TranslationCoordLCS2WCS(v1);
+            vertexes.AddRange(v1Str);
+            var v2Str = TranslationUtils.TranslationCoordLCS2WCS(v2);
+            vertexes.AddRange(v2Str);
+            var v3Str = TranslationUtils.TranslationCoordLCS2WCS(v3);
+            vertexes.AddRange(v3Str);
+
+            var n1Str = TranslationUtils.TranslationNormalLCS2WCS(v1);
+            normals.AddRange(n1Str);
+            var n2Str = TranslationUtils.TranslationNormalLCS2WCS(v2);
+            normals.AddRange(n2Str);
+            var n3Str = TranslationUtils.TranslationNormalLCS2WCS(v3);
+            normals.AddRange(n3Str);
+
+            vertexes_str.Add(TranslationUtils.TranslationCoordLCS2WCSStr(v1));
+            vertexes_str.Add(TranslationUtils.TranslationCoordLCS2WCSStr(v2));
+            vertexes_str.Add(TranslationUtils.TranslationCoordLCS2WCSStr(v3));
+
+            normals_str.Add(TranslationUtils.TranslationNormalLCS2WCSStr(v1));
+            normals_str.Add(TranslationUtils.TranslationNormalLCS2WCSStr(v2));
+            normals_str.Add(TranslationUtils.TranslationNormalLCS2WCSStr(v3));
+        }
+
+        ~CallbackGeomListener()
+        {
+            //sw.Close();
+        }
+
+
+
+    }
+}

20210129/ljs/LjsGo.Navisworks/GraphicsAssignment/ExportGeometryToJson/ExportGeometryToJsonCmd.cs

@@ -0,0 +1,134 @@
+using Autodesk.Navisworks.Api;
+using Autodesk.Navisworks.Api.Plugins;
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Windows;
+using Application = Autodesk.Navisworks.Api.Application;
+
+using ComApi = Autodesk.Navisworks.Api.Interop.ComApi;
+using LjsGo.Navisworks.GraphicsAssignment.ExportGeometryToJson.Models;
+using System.IO;
+using System.Reflection;
+using Autodesk.Navisworks.Api.ComApi;
+using LjsGo.Navisworks.GraphicsAssignment.ExportGeometryToJson;
+using Autodesk.Navisworks.Api.Interop.ComApi;
+
+namespace LjsGo.Navisworks.GraphicsAssignment
+{
+    //基本插件
+    [Plugin("Basic", "ADSK", ToolTip = "Popups", DisplayName = "TestTest")]//名字，开发者号（四位字串），提示，用户界面显示名
+    [AddInPlugin(AddInLocation.AddIn)]//设定插件的位置
+    public class ExportGeometryToJsonCmd : AddInPlugin
+    {
+        private static string AssemblyPath = Path.GetDirectoryName(typeof(ExportGeometryToJsonCmd).Assembly.Location);
+        public override int Execute(params string[] parameters)
+        {
+            try
+            {
+
+                //当前文档
+                Document doc = Application.ActiveDocument;//application是运行了之后自动提供的
+
+                // get the current selection 
+                ModelItemCollection oModelColl = Application.ActiveDocument.CurrentSelection.SelectedItems;
+
+                //convert to COM selection
+                InwOpState oState = ComApiBridge.State;
+                InwOpSelection oSel = ComApiBridge.ToInwOpSelection(oModelColl);
+
+                // create the callback object
+
+
+                var instances = new List<Instance>();
+                var meshs = new List<Mesh>();
+                var materials = new List<Material> { new Material { color = "#808080", transparent = 1.0 }};
+                ModelData modelData = new ModelData
+                {
+                    instances = instances,
+                    meshes = meshs,
+                    materials = materials,
+                };
+
+                var instanceIndex = 0;
+                foreach (InwOaPath3 path in oSel.Paths())
+                {
+                    Instance instance = new Instance
+                    {
+                        id = Guid.NewGuid().ToString(),
+                        info = new { Name = "test" },
+                        mesh = instanceIndex,
+                        visible = 1,
+                    };
+                    instances.Add(instance);
+
+                    CallbackGeomListener callbkListener = new CallbackGeomListener();
+                    var vertices_str = new List<string>();
+                    var normals_str = new List<string>();
+                    var vertices = new List<double>();
+                    var normals = new List<double>();
+                    var indices = new List<int>();
+                    foreach (InwOaFragment3 frag in path.Fragments())
+                    {
+                        InwLTransform3f3 localToWorld = (InwLTransform3f3)(object)frag.GetLocalToWorldMatrix();
+                        callbkListener.LCS2WCS = localToWorld;
+                        var transfrom = new List<double>();
+                        foreach (double item in (Array)localToWorld.Matrix)
+                        {
+                            transfrom.Add(item);
+                        }
+                        instance.transform = transfrom.ToArray();
+                        // generate the primitives
+                        frag.GenerateSimplePrimitives(nwEVertexProperty.eNORMAL, callbkListener);
+                        vertices_str.AddRange(callbkListener.vertexes_str);
+                        normals_str.AddRange(callbkListener.normals_str);
+                        vertices.AddRange(callbkListener.vertexes);
+                        normals.AddRange(callbkListener.normals);
+
+                        for (int q = 0; q < callbkListener.vertexes_str.Count && q < callbkListener.normals_str.Count; q++)
+                        {
+                            for (int i = 0; i < vertices_str.Count && i < normals_str.Count; i++)
+                            {
+                                if (vertices_str[i] == callbkListener.vertexes_str[q] && normals_str[i] == callbkListener.normals_str[q])
+                                {
+                                    indices.Add(i);
+                                    break;
+                                }
+                            }
+                        }
+
+                    } 
+
+                    Mesh mesh = new Mesh()
+                    {
+                        vertices = vertices,
+                        normals = normals,
+                        indices = indices,
+                        material = 0,
+                    };
+
+                    meshs.Add(mesh);
+                    instanceIndex++;
+                }
+
+                var json = Kooboo.Json.JsonSerializer.ToJson(modelData);
+
+                var fileInfo = new FileInfo(doc.FileName);
+                var dir = fileInfo.Directory.FullName;
+
+                var savePath = Path.Combine(dir, "test.json");
+                File.WriteAllText(savePath, json);
+
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.ToString());
+            }
+            return 0;
+        }
+
+    }
+
+
+
+}

20210129/ljs/LjsGo.Navisworks/GraphicsAssignment/ExportGeometryToJson/Models/Instance.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LjsGo.Navisworks.GraphicsAssignment.ExportGeometryToJson.Models
+{
+    public class Instance
+    {
+        public string id { get; set; }
+        public double[] transform { get; set; }
+        public double visible { get; set; }
+        public int mesh { get; set; }
+        public object info { get; set; }
+         
+    }
+}

20210129/ljs/LjsGo.Navisworks/GraphicsAssignment/ExportGeometryToJson/Models/InstanceInfo.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LjsGo.Navisworks.GraphicsAssignment.ExportGeometryToJson.Models
+{
+    public class InstanceInfo
+    {
+        public InstanceInfo()
+        {
+
+        }
+
+    }
+}

20210129/ljs/LjsGo.Navisworks/GraphicsAssignment/ExportGeometryToJson/Models/LineTest.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using ComBridge = Autodesk.Navisworks.Api.ComApi.ComApiBridge;
+using COMApi = Autodesk.Navisworks.Api.Interop.ComApi;
+
+namespace LjsGo.Navisworks.GraphicsAssignment.ExportGeometryToJson.Models
+{
+   public class LineTest
+    {
+        public string Start { get; set; }
+        public string End { get; set; }
+    }
+}

20210129/ljs/LjsGo.Navisworks/GraphicsAssignment/ExportGeometryToJson/Models/Material.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LjsGo.Navisworks.GraphicsAssignment.ExportGeometryToJson.Models
+{
+    public class Material
+    {
+        public string color { get; set; }
+        public double transparent { get; set; }
+    }
+}

20210129/ljs/LjsGo.Navisworks/GraphicsAssignment/ExportGeometryToJson/Models/Mesh.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LjsGo.Navisworks.GraphicsAssignment.ExportGeometryToJson.Models
+{
+    public class Mesh
+    {
+        public List<double> vertices { get; set; }
+        public List<int> indices { get; set; }
+        public List<double> normals { get; set; }
+        public int material { get; set; }
+    }
+}

20210129/ljs/LjsGo.Navisworks/GraphicsAssignment/ExportGeometryToJson/Models/ModelData.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LjsGo.Navisworks.GraphicsAssignment.ExportGeometryToJson.Models
+{
+    public class ModelData
+    {
+        public List<Instance> instances { get; set; }
+        public List<Mesh> meshes { get; set; }
+        public List<Material> materials { get; set; }
+    }
+}

20210129/ljs/LjsGo.Navisworks/GraphicsAssignment/ExportGeometryToJson/TranslationUtils.cs

@@ -0,0 +1,130 @@
+using Autodesk.Navisworks.Api.Interop.ComApi;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LjsGo.Navisworks.GraphicsAssignment.ExportGeometryToJson
+{
+    public class TranslationUtils
+    {
+        public TranslationUtils()
+        {
+
+        }
+        public static List<double> TranslationNormalLCS2WCS(InwSimpleVertex v1, InwLTransform3f3 LCS2WCS)
+        {
+            Array array_v1 = (Array)(object)v1.normal;
+
+            //var v1Str = "[" + Convert.ToDouble(array_v1.GetValue(1)) + "," +
+            //                  Convert.ToDouble(array_v1.GetValue(2)) + "," +
+            //                  Convert.ToDouble(array_v1.GetValue(3)) + "]";
+
+            var result = new List<double>
+            {
+                Convert.ToDouble(array_v1.GetValue(1)),
+                Convert.ToDouble(array_v1.GetValue(2)),
+                Convert.ToDouble(array_v1.GetValue(3)),
+            };
+
+            return result;
+        }
+
+        public static List<double> TranslationCoordLCS2WCS(InwSimpleVertex v1, InwLTransform3f3 LCS2WCS)
+        {
+            Array array_v1 = (Array)(object)v1.coord;
+            double xTrans = LCS2WCS.GetTranslation().data1;
+            double yTrans = LCS2WCS.GetTranslation().data2;
+            double zTrans = LCS2WCS.GetTranslation().data3;
+
+            //var v1Str = "[" + (Convert.ToDouble(array_v1.GetValue(1)) + xTrans).ToString() + "," +
+            //                  (Convert.ToDouble(array_v1.GetValue(2)) + yTrans).ToString() + "," +
+            //                  (Convert.ToDouble(array_v1.GetValue(3)) + zTrans).ToString() + "]";
+
+            var result = new List<double>
+            {
+                Convert.ToDouble(array_v1.GetValue(1)) + xTrans,
+                Convert.ToDouble(array_v1.GetValue(2)) + yTrans,
+                Convert.ToDouble(array_v1.GetValue(3)) + zTrans
+            };
+
+            return result;
+        }
+
+        public static string TranslationNormalLCS2WCSStr(InwSimpleVertex v1, InwLTransform3f3 LCS2WCS)
+        {
+            Array array_v1 = (Array)(object)v1.normal;
+
+            var v1Str = "[" + Convert.ToDouble(array_v1.GetValue(1)) + "," +
+                              Convert.ToDouble(array_v1.GetValue(2)) + "," +
+                              Convert.ToDouble(array_v1.GetValue(3)) + "]";
+             
+            return v1Str;
+        }
+
+        public static string TranslationCoordLCS2WCSStr(InwSimpleVertex v1, InwLTransform3f3 LCS2WCS)
+        {
+            Array array_v1 = (Array)(object)v1.coord;
+            double xTrans = LCS2WCS.GetTranslation().data1;
+            double yTrans = LCS2WCS.GetTranslation().data2;
+            double zTrans = LCS2WCS.GetTranslation().data3;
+
+            var v1Str = "[" + (Convert.ToDouble(array_v1.GetValue(1)) + xTrans).ToString() + "," +
+                              (Convert.ToDouble(array_v1.GetValue(2)) + yTrans).ToString() + "," +
+                              (Convert.ToDouble(array_v1.GetValue(3)) + zTrans).ToString() + "]";
+             
+            return v1Str;
+        }
+
+        public static List<double> TranslationNormalLCS2WCS(InwSimpleVertex v1)
+        {
+            Array array_v1 = (Array)(object)v1.normal;
+
+            var result = new List<double>
+            {
+                Convert.ToDouble(array_v1.GetValue(1)),
+                Convert.ToDouble(array_v1.GetValue(2)),
+                Convert.ToDouble(array_v1.GetValue(3)),
+            };
+
+            return result;
+        }
+
+        public static List<double> TranslationCoordLCS2WCS(InwSimpleVertex v1)
+        {
+            Array array_v1 = (Array)(object)v1.coord;
+
+            var result = new List<double>
+            {
+                Convert.ToDouble(array_v1.GetValue(1)),
+                Convert.ToDouble(array_v1.GetValue(2)),
+                Convert.ToDouble(array_v1.GetValue(3))
+            };
+
+            return result;
+        }
+
+        public static string TranslationNormalLCS2WCSStr(InwSimpleVertex v1)
+        {
+            Array array_v1 = (Array)(object)v1.normal;
+
+            var v1Str = "[" + Convert.ToDouble(array_v1.GetValue(1)) + "," +
+                              Convert.ToDouble(array_v1.GetValue(2)) + "," +
+                              Convert.ToDouble(array_v1.GetValue(3)) + "]";
+
+            return v1Str;
+        }
+
+        public static string TranslationCoordLCS2WCSStr(InwSimpleVertex v1)
+        {
+            Array array_v1 = (Array)(object)v1.coord; 
+
+            var v1Str = "[" + Convert.ToDouble(array_v1.GetValue(1))  + "," +
+                              Convert.ToDouble(array_v1.GetValue(2)) + "," +
+                              Convert.ToDouble(array_v1.GetValue(3)) + "]";
+
+            return v1Str;
+        }
+    }
+}

20210129/ljs/LjsGo.Navisworks/LjsGo.Navisworks.csproj

@@ -0,0 +1,35 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net472</TargetFramework>
+    <UseWpf>True</UseWpf>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Kooboo.Json" Version="1.0.8" />
+    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Reference Include="Autodesk.Navisworks.Api">
+      <HintPath>..\..\..\..\..\..\Program Files\Autodesk\Navisworks Manage 2019\Autodesk.Navisworks.Api.dll</HintPath>
+    </Reference>
+    <Reference Include="Autodesk.Navisworks.ComApi">
+      <HintPath>..\..\..\..\..\..\Program Files\Autodesk\Navisworks Manage 2019\Autodesk.Navisworks.ComApi.dll</HintPath>
+    </Reference>
+    <Reference Include="Autodesk.Navisworks.Controls">
+      <HintPath>..\..\..\..\..\..\Program Files\Autodesk\Navisworks Manage 2019\Autodesk.Navisworks.Controls.dll</HintPath>
+    </Reference>
+    <Reference Include="Autodesk.Navisworks.Interop.ComApi">
+      <HintPath>..\..\..\..\..\..\Program Files\Autodesk\Navisworks Manage 2019\Autodesk.Navisworks.Interop.ComApi.dll</HintPath>
+    </Reference>
+    <Reference Include="PresentationCore" />
+    <Reference Include="PresentationFramework" />
+    <Reference Include="System.Windows" />
+    <Reference Include="System.Xaml" />
+  </ItemGroup>
+
+  <Target Name="PostBuild" AfterTargets="PostBuildEvent">
+   </Target>
+
+</Project>

20210129/ljs/LjsGo.Navisworks/LjsGo.Navisworks.sln

@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.30907.101
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "LjsGo.Navisworks", "LjsGo.Navisworks\LjsGo.Navisworks.csproj", "{F8254CA1-F4FF-44B7-833B-C074B175CAC0}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{F8254CA1-F4FF-44B7-833B-C074B175CAC0}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{F8254CA1-F4FF-44B7-833B-C074B175CAC0}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{F8254CA1-F4FF-44B7-833B-C074B175CAC0}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{F8254CA1-F4FF-44B7-833B-C074B175CAC0}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {7C1D6A6E-3C17-443C-8803-96BD4228E8EE}
+	EndGlobalSection
+EndGlobal

20210129/ljs/LjsGo.Navisworks/LjsGo.Navisworks/GraphicsAssignment/ExportGeometryToJson/CallbackGeomListener.cs

@@ -0,0 +1,109 @@
+using Autodesk.Navisworks.Api.Interop.ComApi;
+using LjsGo.Navisworks.GraphicsAssignment.ExportGeometryToJson.Models;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LjsGo.Navisworks.GraphicsAssignment.ExportGeometryToJson
+{
+    public class CallbackGeomListener : InwSimplePrimitivesCB
+    {
+        //static FileStream aFile = new FileStream(@"C:\Users\Don\Desktop\项目1.txt", FileMode.OpenOrCreate);
+        //static StreamWriter sw = new StreamWriter(aFile);
+        public InwLTransform3f3 LCS2WCS;
+
+        //public ModelData ModelData { get; set; }
+
+        //public List<InwSimpleVertex> vertices { get; set; }
+        //public List<LineTest> lines { get; set; }
+
+        public List<double> vertexes { get; set; }
+
+        public List<double> normals { get; set; }
+
+        public List<string> vertexes_str { get; set; }
+
+        public List<string> normals_str { get; set; }
+
+        public CallbackGeomListener()
+        {
+            vertexes = new List<double>();
+            normals = new List<double>();
+            vertexes_str = new List<string>();
+            normals_str = new List<string>();
+        }
+
+        public void Line(InwSimpleVertex v1, InwSimpleVertex v2)
+        {
+            // do your work 
+        }
+
+        public void Point(InwSimpleVertex v1)
+        {
+            // do your work 
+        }
+
+        public void SnapPoint(InwSimpleVertex v1)
+        {
+            // do your work 
+        }
+
+        public void Triangle(InwSimpleVertex v1, InwSimpleVertex v2, InwSimpleVertex v3)
+        {
+            //var v1Str = TranslationUtils.TranslationCoordLCS2WCS(v1, LCS2WCS);
+            //vertexes.AddRange(v1Str);
+            //var v2Str = TranslationUtils.TranslationCoordLCS2WCS(v2, LCS2WCS);
+            //vertexes.AddRange(v2Str);
+            //var v3Str = TranslationUtils.TranslationCoordLCS2WCS(v3, LCS2WCS);
+            //vertexes.AddRange(v3Str);
+
+            //var n1Str = TranslationUtils.TranslationNormalLCS2WCS(v1, LCS2WCS);
+            //normals.AddRange(n1Str);
+            //var n2Str = TranslationUtils.TranslationNormalLCS2WCS(v2, LCS2WCS);
+            //normals.AddRange(n2Str);
+            //var n3Str = TranslationUtils.TranslationNormalLCS2WCS(v3, LCS2WCS);
+            //normals.AddRange(n3Str);
+
+            //vertexes_str.Add(TranslationUtils.TranslationCoordLCS2WCSStr(v1, LCS2WCS));
+            //vertexes_str.Add(TranslationUtils.TranslationCoordLCS2WCSStr(v2, LCS2WCS));
+            //vertexes_str.Add(TranslationUtils.TranslationCoordLCS2WCSStr(v3, LCS2WCS));
+
+            //normals_str.Add(TranslationUtils.TranslationNormalLCS2WCSStr(v1, LCS2WCS));
+            //normals_str.Add(TranslationUtils.TranslationNormalLCS2WCSStr(v2, LCS2WCS));
+            //normals_str.Add(TranslationUtils.TranslationNormalLCS2WCSStr(v3, LCS2WCS));
+
+            var v1Str = TranslationUtils.TranslationCoordLCS2WCS(v1);
+            vertexes.AddRange(v1Str);
+            var v2Str = TranslationUtils.TranslationCoordLCS2WCS(v2);
+            vertexes.AddRange(v2Str);
+            var v3Str = TranslationUtils.TranslationCoordLCS2WCS(v3);
+            vertexes.AddRange(v3Str);
+
+            var n1Str = TranslationUtils.TranslationNormalLCS2WCS(v1);
+            normals.AddRange(n1Str);
+            var n2Str = TranslationUtils.TranslationNormalLCS2WCS(v2);
+            normals.AddRange(n2Str);
+            var n3Str = TranslationUtils.TranslationNormalLCS2WCS(v3);
+            normals.AddRange(n3Str);
+
+            vertexes_str.Add(TranslationUtils.TranslationCoordLCS2WCSStr(v1));
+            vertexes_str.Add(TranslationUtils.TranslationCoordLCS2WCSStr(v2));
+            vertexes_str.Add(TranslationUtils.TranslationCoordLCS2WCSStr(v3));
+
+            normals_str.Add(TranslationUtils.TranslationNormalLCS2WCSStr(v1));
+            normals_str.Add(TranslationUtils.TranslationNormalLCS2WCSStr(v2));
+            normals_str.Add(TranslationUtils.TranslationNormalLCS2WCSStr(v3));
+        }
+
+        ~CallbackGeomListener()
+        {
+            //sw.Close();
+        }
+
+
+
+    }
+}

20210129/ljs/LjsGo.Navisworks/LjsGo.Navisworks/GraphicsAssignment/ExportGeometryToJson/ExportGeometryToJsonCmd.cs

@@ -0,0 +1,134 @@
+using Autodesk.Navisworks.Api;
+using Autodesk.Navisworks.Api.Plugins;
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Windows;
+using Application = Autodesk.Navisworks.Api.Application;
+
+using ComApi = Autodesk.Navisworks.Api.Interop.ComApi;
+using LjsGo.Navisworks.GraphicsAssignment.ExportGeometryToJson.Models;
+using System.IO;
+using System.Reflection;
+using Autodesk.Navisworks.Api.ComApi;
+using LjsGo.Navisworks.GraphicsAssignment.ExportGeometryToJson;
+using Autodesk.Navisworks.Api.Interop.ComApi;
+
+namespace LjsGo.Navisworks.GraphicsAssignment
+{
+    //基本插件
+    [Plugin("Basic", "ADSK", ToolTip = "Popups", DisplayName = "TestTest")]//名字，开发者号（四位字串），提示，用户界面显示名
+    [AddInPlugin(AddInLocation.AddIn)]//设定插件的位置
+    public class ExportGeometryToJsonCmd : AddInPlugin
+    {
+        private static string AssemblyPath = Path.GetDirectoryName(typeof(ExportGeometryToJsonCmd).Assembly.Location);
+        public override int Execute(params string[] parameters)
+        {
+            try
+            {
+
+                //当前文档
+                Document doc = Application.ActiveDocument;//application是运行了之后自动提供的
+
+                // get the current selection 
+                ModelItemCollection oModelColl = Application.ActiveDocument.CurrentSelection.SelectedItems;
+
+                //convert to COM selection
+                InwOpState oState = ComApiBridge.State;
+                InwOpSelection oSel = ComApiBridge.ToInwOpSelection(oModelColl);
+
+                // create the callback object
+
+
+                var instances = new List<Instance>();
+                var meshs = new List<Mesh>();
+                var materials = new List<Material> { new Material { color = "#808080", transparent = 1.0 }};
+                ModelData modelData = new ModelData
+                {
+                    instances = instances,
+                    meshes = meshs,
+                    materials = materials,
+                };
+
+                var instanceIndex = 0;
+                foreach (InwOaPath3 path in oSel.Paths())
+                {
+                    Instance instance = new Instance
+                    {
+                        id = Guid.NewGuid().ToString(),
+                        info = new { Name = "test" },
+                        mesh = instanceIndex,
+                        visible = 1,
+                    };
+                    instances.Add(instance);
+
+                    CallbackGeomListener callbkListener = new CallbackGeomListener();
+                    var vertices_str = new List<string>();
+                    var normals_str = new List<string>();
+                    var vertices = new List<double>();
+                    var normals = new List<double>();
+                    var indices = new List<int>();
+                    foreach (InwOaFragment3 frag in path.Fragments())
+                    {
+                        InwLTransform3f3 localToWorld = (InwLTransform3f3)(object)frag.GetLocalToWorldMatrix();
+                        callbkListener.LCS2WCS = localToWorld;
+                        var transfrom = new List<double>();
+                        foreach (double item in (Array)localToWorld.Matrix)
+                        {
+                            transfrom.Add(item);
+                        }
+                        instance.transform = transfrom.ToArray();
+                        // generate the primitives
+                        frag.GenerateSimplePrimitives(nwEVertexProperty.eNORMAL, callbkListener);
+                        vertices_str.AddRange(callbkListener.vertexes_str);
+                        normals_str.AddRange(callbkListener.normals_str);
+                        vertices.AddRange(callbkListener.vertexes);
+                        normals.AddRange(callbkListener.normals);
+
+                        for (int q = 0; q < callbkListener.vertexes_str.Count && q < callbkListener.normals_str.Count; q++)
+                        {
+                            for (int i = 0; i < vertices_str.Count && i < normals_str.Count; i++)
+                            {
+                                if (vertices_str[i] == callbkListener.vertexes_str[q] && normals_str[i] == callbkListener.normals_str[q])
+                                {
+                                    indices.Add(i);
+                                    break;
+                                }
+                            }
+                        }
+
+                    } 
+
+                    Mesh mesh = new Mesh()
+                    {
+                        vertices = vertices,
+                        normals = normals,
+                        indices = indices,
+                        material = 0,
+                    };
+
+                    meshs.Add(mesh);
+                    instanceIndex++;
+                }
+
+                var json = Kooboo.Json.JsonSerializer.ToJson(modelData);
+
+                var fileInfo = new FileInfo(doc.FileName);
+                var dir = fileInfo.Directory.FullName;
+
+                var savePath = Path.Combine(dir, "test.json");
+                File.WriteAllText(savePath, json);
+
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.ToString());
+            }
+            return 0;
+        }
+
+    }
+
+
+
+}

20210129/ljs/LjsGo.Navisworks/LjsGo.Navisworks/GraphicsAssignment/ExportGeometryToJson/Models/Instance.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LjsGo.Navisworks.GraphicsAssignment.ExportGeometryToJson.Models
+{
+    public class Instance
+    {
+        public string id { get; set; }
+        public double[] transform { get; set; }
+        public double visible { get; set; }
+        public int mesh { get; set; }
+        public object info { get; set; }
+         
+    }
+}

20210129/ljs/LjsGo.Navisworks/LjsGo.Navisworks/GraphicsAssignment/ExportGeometryToJson/Models/InstanceInfo.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LjsGo.Navisworks.GraphicsAssignment.ExportGeometryToJson.Models
+{
+    public class InstanceInfo
+    {
+        public InstanceInfo()
+        {
+
+        }
+
+    }
+}

20210129/ljs/LjsGo.Navisworks/LjsGo.Navisworks/GraphicsAssignment/ExportGeometryToJson/Models/LineTest.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using ComBridge = Autodesk.Navisworks.Api.ComApi.ComApiBridge;
+using COMApi = Autodesk.Navisworks.Api.Interop.ComApi;
+
+namespace LjsGo.Navisworks.GraphicsAssignment.ExportGeometryToJson.Models
+{
+   public class LineTest
+    {
+        public string Start { get; set; }
+        public string End { get; set; }
+    }
+}

20210129/ljs/LjsGo.Navisworks/LjsGo.Navisworks/GraphicsAssignment/ExportGeometryToJson/Models/Material.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LjsGo.Navisworks.GraphicsAssignment.ExportGeometryToJson.Models
+{
+    public class Material
+    {
+        public string color { get; set; }
+        public double transparent { get; set; }
+    }
+}

20210129/ljs/LjsGo.Navisworks/LjsGo.Navisworks/GraphicsAssignment/ExportGeometryToJson/Models/Mesh.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LjsGo.Navisworks.GraphicsAssignment.ExportGeometryToJson.Models
+{
+    public class Mesh
+    {
+        public List<double> vertices { get; set; }
+        public List<int> indices { get; set; }
+        public List<double> normals { get; set; }
+        public int material { get; set; }
+    }
+}

20210129/ljs/LjsGo.Navisworks/LjsGo.Navisworks/GraphicsAssignment/ExportGeometryToJson/Models/ModelData.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LjsGo.Navisworks.GraphicsAssignment.ExportGeometryToJson.Models
+{
+    public class ModelData
+    {
+        public List<Instance> instances { get; set; }
+        public List<Mesh> meshes { get; set; }
+        public List<Material> materials { get; set; }
+    }
+}

20210129/ljs/LjsGo.Navisworks/LjsGo.Navisworks/GraphicsAssignment/ExportGeometryToJson/TranslationUtils.cs

@@ -0,0 +1,130 @@
+using Autodesk.Navisworks.Api.Interop.ComApi;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LjsGo.Navisworks.GraphicsAssignment.ExportGeometryToJson
+{
+    public class TranslationUtils
+    {
+        public TranslationUtils()
+        {
+
+        }
+        public static List<double> TranslationNormalLCS2WCS(InwSimpleVertex v1, InwLTransform3f3 LCS2WCS)
+        {
+            Array array_v1 = (Array)(object)v1.normal;
+
+            //var v1Str = "[" + Convert.ToDouble(array_v1.GetValue(1)) + "," +
+            //                  Convert.ToDouble(array_v1.GetValue(2)) + "," +
+            //                  Convert.ToDouble(array_v1.GetValue(3)) + "]";
+
+            var result = new List<double>
+            {
+                Convert.ToDouble(array_v1.GetValue(1)),
+                Convert.ToDouble(array_v1.GetValue(2)),
+                Convert.ToDouble(array_v1.GetValue(3)),
+            };
+
+            return result;
+        }
+
+        public static List<double> TranslationCoordLCS2WCS(InwSimpleVertex v1, InwLTransform3f3 LCS2WCS)
+        {
+            Array array_v1 = (Array)(object)v1.coord;
+            double xTrans = LCS2WCS.GetTranslation().data1;
+            double yTrans = LCS2WCS.GetTranslation().data2;
+            double zTrans = LCS2WCS.GetTranslation().data3;
+
+            //var v1Str = "[" + (Convert.ToDouble(array_v1.GetValue(1)) + xTrans).ToString() + "," +
+            //                  (Convert.ToDouble(array_v1.GetValue(2)) + yTrans).ToString() + "," +
+            //                  (Convert.ToDouble(array_v1.GetValue(3)) + zTrans).ToString() + "]";
+
+            var result = new List<double>
+            {
+                Convert.ToDouble(array_v1.GetValue(1)) + xTrans,
+                Convert.ToDouble(array_v1.GetValue(2)) + yTrans,
+                Convert.ToDouble(array_v1.GetValue(3)) + zTrans
+            };
+
+            return result;
+        }
+
+        public static string TranslationNormalLCS2WCSStr(InwSimpleVertex v1, InwLTransform3f3 LCS2WCS)
+        {
+            Array array_v1 = (Array)(object)v1.normal;
+
+            var v1Str = "[" + Convert.ToDouble(array_v1.GetValue(1)) + "," +
+                              Convert.ToDouble(array_v1.GetValue(2)) + "," +
+                              Convert.ToDouble(array_v1.GetValue(3)) + "]";
+             
+            return v1Str;
+        }
+
+        public static string TranslationCoordLCS2WCSStr(InwSimpleVertex v1, InwLTransform3f3 LCS2WCS)
+        {
+            Array array_v1 = (Array)(object)v1.coord;
+            double xTrans = LCS2WCS.GetTranslation().data1;
+            double yTrans = LCS2WCS.GetTranslation().data2;
+            double zTrans = LCS2WCS.GetTranslation().data3;
+
+            var v1Str = "[" + (Convert.ToDouble(array_v1.GetValue(1)) + xTrans).ToString() + "," +
+                              (Convert.ToDouble(array_v1.GetValue(2)) + yTrans).ToString() + "," +
+                              (Convert.ToDouble(array_v1.GetValue(3)) + zTrans).ToString() + "]";
+             
+            return v1Str;
+        }
+
+        public static List<double> TranslationNormalLCS2WCS(InwSimpleVertex v1)
+        {
+            Array array_v1 = (Array)(object)v1.normal;
+
+            var result = new List<double>
+            {
+                Convert.ToDouble(array_v1.GetValue(1)),
+                Convert.ToDouble(array_v1.GetValue(2)),
+                Convert.ToDouble(array_v1.GetValue(3)),
+            };
+
+            return result;
+        }
+
+        public static List<double> TranslationCoordLCS2WCS(InwSimpleVertex v1)
+        {
+            Array array_v1 = (Array)(object)v1.coord;
+
+            var result = new List<double>
+            {
+                Convert.ToDouble(array_v1.GetValue(1)),
+                Convert.ToDouble(array_v1.GetValue(2)),
+                Convert.ToDouble(array_v1.GetValue(3))
+            };
+
+            return result;
+        }
+
+        public static string TranslationNormalLCS2WCSStr(InwSimpleVertex v1)
+        {
+            Array array_v1 = (Array)(object)v1.normal;
+
+            var v1Str = "[" + Convert.ToDouble(array_v1.GetValue(1)) + "," +
+                              Convert.ToDouble(array_v1.GetValue(2)) + "," +
+                              Convert.ToDouble(array_v1.GetValue(3)) + "]";
+
+            return v1Str;
+        }
+
+        public static string TranslationCoordLCS2WCSStr(InwSimpleVertex v1)
+        {
+            Array array_v1 = (Array)(object)v1.coord; 
+
+            var v1Str = "[" + Convert.ToDouble(array_v1.GetValue(1))  + "," +
+                              Convert.ToDouble(array_v1.GetValue(2)) + "," +
+                              Convert.ToDouble(array_v1.GetValue(3)) + "]";
+
+            return v1Str;
+        }
+    }
+}

20210129/ljs/LjsGo.Navisworks/LjsGo.Navisworks/LjsGo.Navisworks.csproj

@@ -0,0 +1,35 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net472</TargetFramework>
+    <UseWpf>True</UseWpf>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Kooboo.Json" Version="1.0.8" />
+    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Reference Include="Autodesk.Navisworks.Api">
+      <HintPath>..\..\..\..\..\..\Program Files\Autodesk\Navisworks Manage 2019\Autodesk.Navisworks.Api.dll</HintPath>
+    </Reference>
+    <Reference Include="Autodesk.Navisworks.ComApi">
+      <HintPath>..\..\..\..\..\..\Program Files\Autodesk\Navisworks Manage 2019\Autodesk.Navisworks.ComApi.dll</HintPath>
+    </Reference>
+    <Reference Include="Autodesk.Navisworks.Controls">
+      <HintPath>..\..\..\..\..\..\Program Files\Autodesk\Navisworks Manage 2019\Autodesk.Navisworks.Controls.dll</HintPath>
+    </Reference>
+    <Reference Include="Autodesk.Navisworks.Interop.ComApi">
+      <HintPath>..\..\..\..\..\..\Program Files\Autodesk\Navisworks Manage 2019\Autodesk.Navisworks.Interop.ComApi.dll</HintPath>
+    </Reference>
+    <Reference Include="PresentationCore" />
+    <Reference Include="PresentationFramework" />
+    <Reference Include="System.Windows" />
+    <Reference Include="System.Xaml" />
+  </ItemGroup>
+
+  <Target Name="PostBuild" AfterTargets="PostBuildEvent">
+   </Target>
+
+</Project>

20210302/README.md

@@ -0,0 +1,22 @@
+# 图形学培训
+
+课件：[图形学培训1.2&1.3-glTF数据结构和扩展](./doc/图形学培训1.2&1.3-glTF数据结构和扩展.pptx)
+
+## 内容
+
+- glTF模型数据介绍
+- Draco压缩算法及扩展结构介绍
+
+## 作业
+
+不强制要求，希望大家有空都可以去做一做，将 **Navisworks** 或 **Revit** 的模型导出一个glTF的数据文件。
+
+gltTF数据文件的验证器：[glTF-Validator](https://github.khronos.org/glTF-Validator/)
+
+相关资料：
+
+![glTF OverView](./doc/gltfOverview-2.0.0b.png)
+
+glTF的官方实现：[UnityGLTF](https://github.com/KhronosGroup/UnityGLTF/)
+
+glTF的非官方实现：[SharpGLTF](https://github.com/vpenades/SharpGLTF)