feat(perf): direct STL parsing for near-instant large-file load (v0.7.1)
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01XgHf5MW39U3Xo8y2uA229K
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Claude Opus 4.8
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using System.IO;
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namespace SmokeTest;
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/// <summary>產生測試用 binary STL：一片 gridN×gridN 的網格，每格 2 個三角形（波浪起伏，避免全共面）。</summary>
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internal static class MakeStl
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{
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public static void Run(string path, int triCount)
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{
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// 每格 2 三角，格數 = triCount/2；邊長 grid = ceil(sqrt(cells))
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int cells = System.Math.Max(1, triCount / 2);
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int grid = (int)System.Math.Ceiling(System.Math.Sqrt(cells));
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int tris = grid * grid * 2;
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using var fs = File.Create(path);
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using var bw = new BinaryWriter(fs);
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bw.Write(new byte[80]); // header
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bw.Write((uint)tris); // triangle count
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static void WriteTri(BinaryWriter w, float ax, float ay, float az,
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float bx, float by, float bz, float cx, float cy, float cz)
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{
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for (int i = 0; i < 3; i++) w.Write(0f); // normal (0,0,0)
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w.Write(ax); w.Write(ay); w.Write(az);
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w.Write(bx); w.Write(by); w.Write(bz);
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w.Write(cx); w.Write(cy); w.Write(cz);
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w.Write((ushort)0); // attribute byte count
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}
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float Z(int x, int y) => (float)(System.Math.Sin(x * 0.1) * System.Math.Cos(y * 0.1) * 5.0);
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for (int y = 0; y < grid; y++)
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for (int x = 0; x < grid; x++)
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{
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float x0 = x, x1 = x + 1, y0 = y, y1 = y + 1;
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WriteTri(bw, x0, y0, Z(x, y), x1, y0, Z(x + 1, y), x1, y1, Z(x + 1, y + 1));
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WriteTri(bw, x0, y0, Z(x, y), x1, y1, Z(x + 1, y + 1), x0, y1, Z(x, y + 1));
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}
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Console.WriteLine($"寫出 {tris:N0} 三角形 → {path} ({new FileInfo(path).Length:N0} bytes)");
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}
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}
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+86
-80
@@ -1,80 +1,86 @@
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// 無 UI smoke test：驗證 CAD 檔解析 → 三角化 → 裝配樹 整條匯入管線
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using System.Diagnostics;
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using System.IO;
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using STPViewer.Services;
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Console.OutputEncoding = System.Text.Encoding.UTF8;
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if (args.Length == 0)
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{
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Console.WriteLine("用法: SmokeTest [--tree] <file.stp|.stl|.dxf> [...]");
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return 1;
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}
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if (args[0] == "--tree")
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{
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foreach (string p in args.Skip(1)) SmokeTest.TreeDump.Run(p);
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return 0;
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}
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if (args[0] == "--make-dxf")
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{
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SmokeTest.MakeDxf.Run(args[1]);
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return 0;
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}
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if (args[0] == "--clip-test")
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return SmokeTest.ClipTest.Run() == 0 ? 0 : 2;
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if (args[0] == "--interference-test")
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return SmokeTest.InterferenceTest.Run() == 0 ? 0 : 2;
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if (args[0] == "--align-test")
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return SmokeTest.AlignTest.Run() == 0 ? 0 : 2;
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if (args[0] == "--bbox")
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return SmokeTest.BBoxDump.Run(args[1]);
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if (args[0] == "--export-test")
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return SmokeTest.ExportTest.Run(args[1], args[2]) == 0 ? 0 : 2;
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if (args[0] == "--stl-export-test")
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return SmokeTest.StlExportTest.Run(args.Length > 1 ? args[1] : null) == 0 ? 0 : 2;
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var service = new StepImportService { Progress = s => Console.WriteLine($" [階段] {s}") };
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int failed = 0;
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foreach (string path in args)
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{
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Console.WriteLine($"=== {Path.GetFileName(path)} ===");
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var sw = Stopwatch.StartNew();
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try
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{
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ImportedFileData data = service.Import(path);
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sw.Stop();
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ImportedNode r = data.Root;
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Console.WriteLine($" Solids : {r.SolidCount}");
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Console.WriteLine($" Faces : {r.FaceCount}");
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Console.WriteLine($" Triangles : {r.TriangleCount:N0}");
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Console.WriteLine($" Bounds : {r.Bounds.SizeX:F2} x {r.Bounds.SizeY:F2} x {r.Bounds.SizeZ:F2} mm");
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Console.WriteLine($" Time : {sw.ElapsedMilliseconds} ms");
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Console.WriteLine(" --- 裝配樹 ---");
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PrintNode(r, 1);
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}
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catch (Exception ex)
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{
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sw.Stop();
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failed++;
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Console.WriteLine($" FAILED ({sw.ElapsedMilliseconds} ms): {ex.GetType().Name}: {ex.Message}");
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}
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}
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return failed == 0 ? 0 : 2;
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static void PrintNode(ImportedNode n, int indent)
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{
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string seg = n.EdgeSegments is null ? "" : $", edgeSegs={n.EdgeSegments.Count / 2:N0}";
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Console.WriteLine($"{new string(' ', indent * 2)}{n.Name} " +
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$"[solids={n.SolidCount}, faces={n.FaceCount}, tris={n.TriangleCount:N0}{seg}{(n.HasBrep ? "" : ", 無B-rep")}]");
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foreach (ImportedNode c in n.Children) PrintNode(c, indent + 1);
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}
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// 無 UI smoke test：驗證 CAD 檔解析 → 三角化 → 裝配樹 整條匯入管線
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using System.Diagnostics;
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using System.IO;
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using STPViewer.Services;
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Console.OutputEncoding = System.Text.Encoding.UTF8;
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if (args.Length == 0)
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{
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Console.WriteLine("用法: SmokeTest [--tree] <file.stp|.stl|.dxf> [...]");
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return 1;
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}
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if (args[0] == "--tree")
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{
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foreach (string p in args.Skip(1)) SmokeTest.TreeDump.Run(p);
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return 0;
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}
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if (args[0] == "--make-dxf")
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{
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SmokeTest.MakeDxf.Run(args[1]);
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return 0;
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}
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if (args[0] == "--make-stl")
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{
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SmokeTest.MakeStl.Run(args[1], args.Length > 2 ? int.Parse(args[2]) : 1_500_000);
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return 0;
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}
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if (args[0] == "--clip-test")
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return SmokeTest.ClipTest.Run() == 0 ? 0 : 2;
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if (args[0] == "--interference-test")
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return SmokeTest.InterferenceTest.Run() == 0 ? 0 : 2;
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if (args[0] == "--align-test")
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return SmokeTest.AlignTest.Run() == 0 ? 0 : 2;
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if (args[0] == "--bbox")
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return SmokeTest.BBoxDump.Run(args[1]);
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if (args[0] == "--export-test")
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return SmokeTest.ExportTest.Run(args[1], args[2]) == 0 ? 0 : 2;
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if (args[0] == "--stl-export-test")
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return SmokeTest.StlExportTest.Run(args.Length > 1 ? args[1] : null) == 0 ? 0 : 2;
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var service = new StepImportService { Progress = s => Console.WriteLine($" [階段] {s}") };
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int failed = 0;
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foreach (string path in args)
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{
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Console.WriteLine($"=== {Path.GetFileName(path)} ===");
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var sw = Stopwatch.StartNew();
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try
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{
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ImportedFileData data = service.Import(path);
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sw.Stop();
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ImportedNode r = data.Root;
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Console.WriteLine($" Solids : {r.SolidCount}");
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Console.WriteLine($" Faces : {r.FaceCount}");
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Console.WriteLine($" Triangles : {r.TriangleCount:N0}");
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Console.WriteLine($" Bounds : {r.Bounds.SizeX:F2} x {r.Bounds.SizeY:F2} x {r.Bounds.SizeZ:F2} mm");
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Console.WriteLine($" Time : {sw.ElapsedMilliseconds} ms");
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Console.WriteLine(" --- 裝配樹 ---");
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PrintNode(r, 1);
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}
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catch (Exception ex)
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{
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sw.Stop();
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failed++;
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Console.WriteLine($" FAILED ({sw.ElapsedMilliseconds} ms): {ex.GetType().Name}: {ex.Message}");
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}
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}
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return failed == 0 ? 0 : 2;
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static void PrintNode(ImportedNode n, int indent)
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{
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string seg = n.EdgeSegments is null ? "" : $", edgeSegs={n.EdgeSegments.Count / 2:N0}";
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Console.WriteLine($"{new string(' ', indent * 2)}{n.Name} " +
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$"[solids={n.SolidCount}, faces={n.FaceCount}, tris={n.TriangleCount:N0}{seg}{(n.HasBrep ? "" : ", 無B-rep")}]");
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foreach (ImportedNode c in n.Children) PrintNode(c, indent + 1);
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}
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