wall_thickness/analyzer/Program.cs

Refer to the Wall Thickness Analyzer Example

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// $Id$
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// Copyright (C) 2008-2014, Roman Lygin. All rights reserved.
// Copyright (C) 2014-2023, CADEX. All rights reserved.
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// This file is part of the CAD Exchanger software.
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using cadex;
using System;
 
namespace analyzer
{
    class Program
    {
        static int Main(string[] args)
        {
            // Add runtime path to CAD Exchanger libraries
            cadex.helpers.LoadLibrarySearchDirectory.SetupDllDirectory();
 
            string aKey = LicenseKey.Value();
            string anMTKKey = MTKLicenseKey.Value();
 
            // Activate the license (aKey must be defined in cadex_license.cs
            // and anMTKKey should be defined in mtk_license.cs)
            if (!LicenseManager.Activate(aKey))
            {
                Console.WriteLine("Failed to activate CAD Exchanger license.");
                return 1;
            }
            if (!LicenseManager.Activate(anMTKKey))
            {
                Console.WriteLine("Failed to activate Manufacturing Toolkit license.");
                return 1;
            }
 
            if (args.Length < 1 || args.Length > 2)
            {
                Console.WriteLine("Usage: " +
                $"{System.Reflection.Assembly.GetExecutingAssembly().Location} <input_file> <input_resolution>, where:");
                Console.WriteLine($"    <input_file> is a name of the file to be read");
                Console.WriteLine($"    <input_resolution> is an optional argument that determine accuracy of wall thickness calculation." +
                    $" The larger the value, the higher the accuracy of the calculations," +
                    $" but greatly increase computation time and memory usage. Should be at least 100.");
                return 1;
            }
 
            string aSource = args[0];
 
            uint aResolution = 1000;
            if (args.Length == 2)
            {
                aResolution = uint.Parse(args[1]);
            }
            if (aResolution < 100)
            {
                Console.WriteLine($"WARNING: Input resolution \"{aResolution}\" < 100. Will be used default resolution.\n");
                aResolution = 1000;
            }
 
            ModelData_Model aModel = new ModelData_Model();
            var aReader = new ModelData_ModelReader();
 
            // Reading the file
            if (!aReader.Read(new Base_UTF16String(aSource), aModel)) {
                Console.WriteLine($"Failed to read the file {aSource}");
                return 1;
            }
            Console.WriteLine($"Model: {aModel.Name()}\n");
 
            var aPartProcessor = new PartProcessor();
            aPartProcessor.Resolution = aResolution;
            var aVisitor = new ModelData_SceneGraphElementUniqueVisitor(aPartProcessor);
            aModel.Accept(aVisitor);
 
            return 0;
        }
 
        class PartProcessor : ModelData_Model.VoidElementVisitor
        {
            public PartProcessor()
            {
                myAnalyzer = new WallThickness_Analyzer();
            }
 
            public override void Apply(ModelData_Part thePart)
            {
                var aPartName = thePart.Name().IsEmpty() ? new Base_UTF16String("noname") : thePart.Name();
 
                var aBRep = thePart.BRepRepresentation();
                var aPolyRep = thePart.PolyRepresentation(ModelData_RepresentationMask.ModelData_RM_Poly);
                if (aBRep != null)
                {
                    // Looking for a suitable body
                    ModelData_BodyList aBodyList = aBRep.Get();
                    for (uint i = 0; i < aBodyList.Size(); ++i)
                    {
                        ModelData_Body aBody = aBodyList.Element(i);
 
                        var aShapeIt = new ModelData_Shape.Iterator(aBody);
                        while (aShapeIt.HasNext())
                        {
                            var aShape = aShapeIt.Next();
                            if (aShape.Type() == ModelData_ShapeType.ModelData_ST_Solid)
                            {
                                Console.Write($"Part #{myPartIndex} [\"{aPartName}\"] - solid #{i} has:\n");
                                ProcessSolid(ModelData_Solid.Cast(aShape));
                            }
                        }
                    }
                }
                else if (aPolyRep != null)
                {
                    var aPolyList = aPolyRep.Get();
                    for (uint i = 0; i < aPolyList.Size(); ++i)
                    {
                        var aPVS = aPolyList.Element(i);
                        if (aPVS.TypeId() == ModelData_IndexedTriangleSet.GetTypeId())
                        {
                            Console.Write($"Part #{myPartIndex} [\"{aPartName}\"] - mesh #{i} has:\n");
                            ProcessMesh(ModelData_IndexedTriangleSet.Cast(aPVS));
                        }
                    }
                }
 
                ++myPartIndex;
            }
 
            public void ProcessSolid(ModelData_Solid theSolid)
            {
                var aWTData = myAnalyzer.Perform(theSolid, Resolution);
                PrintWTData(aWTData);
            }
 
            public void ProcessMesh(ModelData_IndexedTriangleSet theMesh)
            {
                var aWTData = myAnalyzer.Perform (theMesh, Resolution);
                PrintWTData(aWTData);
            }
 
            void PrintWTData(WallThickness_Data theData)
            {
                if (!theData.IsEmpty())
                {
                    Console.WriteLine($"    Min thickness = {theData.MinThickness()} mm");
                    Console.WriteLine($"    Max thickness = {theData.MaxThickness()} mm");
                }
                else
                {
                    Console.WriteLine("    Failed to analyze the wall thickness of this entity.");
                }
            }
 
            public uint Resolution { get; set; } = 1000;
 
            private WallThickness_Analyzer myAnalyzer;
            private uint myPartIndex = 0;
        }
    }
}