projector/poly_projector/Program.cs

Refer to the Projector Example

// ****************************************************************************
// $Id$
//
// Copyright (C) 2008-2014, Roman Lygin. All rights reserved.
// Copyright (C) 2014-2025, CADEX. All rights reserved.
//
// This file is part of the Manufacturing Toolkit software.
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using cadex;
using cadex.ModelData;
using cadex.Geom;
using System;
using System.Collections.Generic;
 
namespace poly_projector
{
    class Program
    {
        static int Main(string[] args)
        {
            string aKey = MTKLicenseKey.Value();
 
            // Activate the license (aKey must be defined in mtk_license.cs)
            if (!LicenseManager.Activate(aKey))
            {
                Console.WriteLine("Failed to activate Manufacturing Toolkit license.");
                return 1;
            }
 
            if (args.Length != 1)
            {
                Console.WriteLine("Usage: " +
                    $"{System.Reflection.Assembly.GetExecutingAssembly().Location} <input_file>, where:");
                Console.WriteLine($"    <input_file> is a name of the file to be read");
                Console.WriteLine($"");
                return 1;
            }
 
            string aSource = args[0];
 
            var aModel = new Model();
            var aReader = new ModelReader();
 
            // Reading the file
            if (!aReader.Read(new UTF16String(aSource), aModel))
            {
                Console.WriteLine($"Failed to read the file {aSource}");
                return 1;
            }
            Console.WriteLine($"Model: {aModel.Name()}\n");
 
            var aProjector = new SceneGraphPolyProjector(Direction.YDir());
            aModel.Accept(aProjector);
 
            return 0;
        }
 
        class SceneGraphPolyProjector : ModelElementVoidVisitor
        {
            public SceneGraphPolyProjector(Direction theDirection)
            {
                myDirection = theDirection;
            }
            public override void Apply(Part thePart)
            {
                Projector_PolyData aData = myProjector.Perform(thePart, myDirection);
 
                Console.WriteLine($"Part projection [{thePart.Name()}] has:");
                Console.WriteLine($"    area = {aData.ProjectionArea()} mm\n");
            }
 
            private Direction myDirection;
            private Projector_PolyProjector myProjector = new Projector_PolyProjector();
        }
    }
}