add views,but wrong direction

PDF3D.Addin/ExportCmd.cs

@@ -15,9 +15,6 @@ namespace PDF3D.Addin
     [Transaction(TransactionMode.Manual)]
     public class ExportCmd : IExternalCommand
     {
-        public static string PDF = @"D:\OneDrive\Code\Private\PDFGenerator\PDF3D.Addin\bin" + @"\\Pdf3D.pdf";
-        public static string U3D = Directory.GetParent(Assembly.GetExecutingAssembly().Location) + @"\\test.u3d";
-        public static string IDTF = Directory.GetParent(Assembly.GetExecutingAssembly().Location) + @"\\test.IDTF";
         public static string PDFTool = Directory.GetParent(Assembly.GetExecutingAssembly().Location) + @"\\PDFGenerator.exe";
         public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements)
         {
@@ -34,7 +31,6 @@ namespace PDF3D.Addin
                 };
                 if (fileDialog.ShowDialog() == true)
                 {
-                    var idtf = Path.GetTempFileName();
 
                     IDTFBuilder iDTFBuilder = new IDTFBuilder(doc);
 
@@ -58,9 +54,12 @@ namespace PDF3D.Addin
                         }
                     }
 
-                    iDTFBuilder.Export(idtf);
+                    var idtf = Path.GetTempFileName();
+                    var view = Path.GetTempFileName();
 
-                    GeneratePDF(idtf, fileDialog.FileName);
+                    iDTFBuilder.Export(idtf);
+                    iDTFBuilder.ExportView(view);
+                    GeneratePDF(idtf, view, fileDialog.FileName);
                 }
             }
             catch
@@ -90,12 +89,12 @@ namespace PDF3D.Addin
             yield return null;
         }
 
-        public void GeneratePDF(string idtf, string pdf)
+        public void GeneratePDF(string idtf, string view, string pdf)
         {
             System.Diagnostics.Process exep = new System.Diagnostics.Process();
             System.Diagnostics.ProcessStartInfo startInfo = new System.Diagnostics.ProcessStartInfo();
             startInfo.FileName = PDFTool;
-            startInfo.Arguments = $"\"{idtf}\" \"{pdf}\"";
+            startInfo.Arguments = $"\"{idtf}\" \"{view}\" \"{pdf}\"";
             startInfo.CreateNoWindow = true;
             startInfo.UseShellExecute = false;
             exep.StartInfo = startInfo;

PDF3D.Addin/IDTFBuilder.cs

@@ -1,10 +1,12 @@
 using System;
 using System.Collections.Generic;
+using System.IO;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 using Autodesk.Revit.DB;
 using IDTF.Net;
+using Newtonsoft.Json;
 using Group = IDTF.Net.Group;
 
 namespace PDF3D.Addin
@@ -305,7 +307,11 @@ namespace PDF3D.Addin
             Distinct();
             _scene.Export(path);
         }
-
+        public void ExportView(string path)
+        {
+            var viewStr = JsonConvert.SerializeObject(_scene.Views);
+            File.WriteAllText(path, viewStr);
+        }
         private void Distinct()
         {
             var comparer = new Point3Comparer();

PDFGenerator/Program.cs

@@ -5,9 +5,12 @@ using iText.Kernel.Pdf.Annot;
 using iText.Kernel.Pdf.Canvas;
 using iText.Layout;
 using iText.Layout.Element;
+using Newtonsoft.Json;
 using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using System.IO;
+using System.Linq;
 using System.Reflection;
 
 public class Program
@@ -16,7 +19,7 @@ public class Program
 
     static void Main(string[] args)
     {
-        GeneratePDF(args[0], args[1]);
+        GeneratePDF(args[0], args[1], args[2]);
     }
     public static void GenerateU3D(string idtf, string u3d)
     {
@@ -31,7 +34,7 @@ public class Program
         exep.WaitForExit();
     }
 
-    public static void GeneratePDF(string idtf, string pdf)
+    public static void GeneratePDF(string idtf, string view, string pdf)
     {
         var u3d = System.IO.Path.GetTempFileName();
         GenerateU3D(idtf, u3d);
@@ -44,19 +47,12 @@ public class Program
         Rectangle rect = new Rectangle(50, 50, size.GetWidth() - 100, size.GetHeight() - 100);
 
 
-        PdfDictionary dict3D = new PdfDictionary();
+        var views = Generate3DView(view);
-        dict3D.Put(PdfName.Type, new PdfName("3DView"));
-        dict3D.Put(new PdfName("XN"), new PdfString("SHITTTTTTT"));
-        //dict3D.Put(new PdfName("IN"), new PdfString("Unnamed"));
-        dict3D.Put(new PdfName("MS"), PdfName.M);
-        dict3D.Put(new PdfName("C2W"),
-                new PdfArray(new float[] { 1, 0, 0, 0, 0, -1, 0, 1, 0, 3, -235, 28 }));
-        //dict3D.Put(PdfName.CO, new PdfNumber(235));
 
         PdfStream stream3D = new PdfStream(pdfDoc, new FileStream(u3d, FileMode.Open));
         stream3D.Put(PdfName.Type, new PdfName("3D"));
         stream3D.Put(PdfName.Subtype, new PdfName("U3D"));
-        stream3D.Put(new PdfName("VA"), new PdfArray(new PdfDictionary[] { dict3D }));
+        stream3D.Put(new PdfName("VA"), new PdfArray(views.ToArray()));
         stream3D.SetCompressionLevel(CompressionConstants.DEFAULT_COMPRESSION);
         stream3D.Flush();
 
@@ -64,10 +60,10 @@ public class Program
 
         Pdf3DAnnotation annot = new Pdf3DAnnotation(rect, stream3D);
         annot.SetContents(new PdfString("3D Model"));
-        annot.SetDefaultInitialView(dict3D);
+        annot.SetDefaultInitialView(views.First());
         var page = pdfDoc.AddNewPage(size).SetRotation(90);
         page.AddAnnotation(annot);
-        PdfCanvas canvas = new PdfCanvas(page);
+       // PdfCanvas canvas = new PdfCanvas(page);
 
         ImageData imageData = ImageDataFactory.Create(System.IO.Directory.GetParent(Assembly.GetExecutingAssembly().Location) + "\\logo.png");
         Image image = new Image(imageData);
@@ -81,4 +77,38 @@ public class Program
         pdfDoc.Close();
         doc.Close();
     }
+
+    private static List<PdfDictionary> Generate3DView(string view)
+    {
+        List<PdfDictionary> list = new List<PdfDictionary>();
+        string viewStr = File.ReadAllText(view);
+        var views = JsonConvert.DeserializeObject<List<IDTF.Net.View>>(viewStr);
+        foreach (var item in views)
+        {
+            if (item.Parents.Any())
+            {
+
+                PdfDictionary dict3D = new PdfDictionary();
+                dict3D.Put(PdfName.Type, new PdfName("3DView"));
+                dict3D.Put(new PdfName("XN"), new PdfString(item.Name));
+
+                //dict3D.Put(new PdfName("IN"), new PdfString("Unnamed"));
+                dict3D.Put(new PdfName("MS"), PdfName.M);
+                //dict3D.Put(new PdfName("C2W"),
+                //        new PdfArray(new double[] { item.Parents[0].Transform.c0r0, item.Parents[0].Transform.c0r1, item.Parents[0].Transform.c0r2,
+                //                                    item.Parents[0].Transform.c1r0, item.Parents[0].Transform.c1r1, item.Parents[0].Transform.c1r2,
+                //                                    item.Parents[0].Transform.c2r0, item.Parents[0].Transform.c2r1, item.Parents[0].Transform.c2r2,
+                //                                    item.Parents[0].Transform.c3r0, item.Parents[0].Transform.c3r1, item.Parents[0].Transform.c3r2 }));  
+                dict3D.Put(new PdfName("C2W"),
+                        new PdfArray(new double[] { item.Parents[0].Transform.c0r0, item.Parents[0].Transform.c1r0, item.Parents[0].Transform.c2r0,
+                                                    item.Parents[0].Transform.c0r1, item.Parents[0].Transform.c1r1, item.Parents[0].Transform.c2r1,
+                                                    item.Parents[0].Transform.c0r2, item.Parents[0].Transform.c1r2, item.Parents[0].Transform.c2r2,
+                                                    item.Parents[0].Transform.c3r0, item.Parents[0].Transform.c3r1, item.Parents[0].Transform.c3r2 }));
+                //dict3D.Put(PdfName.CO, new PdfNumber(235));
+                list.Add(dict3D);
+            }
+        }
+
+        return list;
+    }
 }