54 lines
2.1 KiB
C#
54 lines
2.1 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using CADability;
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using CADability.GeoObject;
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using STPViewer.Services;
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using IOPath = System.IO.Path; // Avoid the CADability.GeoObject.Path name collision.
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namespace SmokeTest;
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/// <summary>
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/// Headless STEP export round trip: import, export through the same CADability path,
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/// then import the result and compare solid counts.
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/// </summary>
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public static class ExportTest
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{
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public static int Run(string sourcePath, string outPath)
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{
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Console.WriteLine($"=== ExportTest: {IOPath.GetFileName(sourcePath)} → {IOPath.GetFileName(outPath)} ===");
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ImportedFileData data = new StepImportService().Import(sourcePath);
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var geos = Collect(data.Root).Where(g => g is Solid or Shell).ToList();
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Console.WriteLine($" Source Solid/Shell objects = {geos.Count} (solids = {data.Root.SolidCount})");
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Project project = Project.CreateSimpleProject();
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Model model = project.GetActiveModel();
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foreach (IGeoObject g in geos) model.Add(g);
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new ExportStep().WriteToFile(outPath, project);
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var fi = new FileInfo(outPath);
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Console.WriteLine($" Written ({fi.Length:N0} bytes)");
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if (fi.Length < 100)
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{
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Console.WriteLine("ExportTest: FAIL (output is nearly empty)");
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return 1;
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}
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ImportedFileData back = new StepImportService().Import(outPath);
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Console.WriteLine($" Reimported solids = {back.Root.SolidCount}, faces = {back.Root.FaceCount}");
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bool ok = back.Root.SolidCount == data.Root.SolidCount && back.Root.FaceCount > 0;
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Console.WriteLine(ok
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? "ExportTest: PASS (solid counts match)"
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: $"ExportTest: FAIL (source solids {data.Root.SolidCount} vs reimported {back.Root.SolidCount})");
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return ok ? 0 : 1;
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}
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private static IEnumerable<IGeoObject> Collect(ImportedNode n)
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{
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foreach (IGeoObject g in n.SourceGeos) yield return g;
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foreach (ImportedNode c in n.Children)
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foreach (IGeoObject g in Collect(c))
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yield return g;
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}
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}
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