projector/poly_projector/Program.cs

Refer to the Projector Example

// ****************************************************************************
//
// Copyright (C) 2008-2014, Roman Lygin. All rights reserved.
// Copyright (C) 2014-2026, CADEX. All rights reserved.
//
// This file is part of the Manufacturing Toolkit software.
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using cadex;
using cadex.Geom;
using cadex.ModelData;
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 != 2)
            {
                Console.WriteLine("Usage: poly_projector <input_file> <output_folder>, where:");
                Console.WriteLine("    <input_file> is a name of the file to be read");
                Console.WriteLine("    <output_folder> is a folder to save projections to (must end with '/' or '\\\\')");
                return 1;
            }
 
            UTF16String aSource = new UTF16String(args[0]);
            string anOutFolder = args[1];
 
            Model aModel = new Model();
            ModelReader aReader = new ModelReader();
 
            // Reading the file
            if (!aReader.Read(aSource, aModel))
            {
                Console.WriteLine("Failed to read the file " + args[0]);
                return 1;
            }
 
            Console.WriteLine("Model: " + aModel.Name());
            Console.WriteLine("");
 
            var aProjectionDataCollection = new List<KeyValuePair<UTF16String, Direction>>
            {
                new KeyValuePair<UTF16String, Direction>(new UTF16String("X"), Direction.XDir()),
                new KeyValuePair<UTF16String, Direction>(new UTF16String("Y"), Direction.YDir()),
                new KeyValuePair<UTF16String, Direction>(new UTF16String("Z"), Direction.ZDir())
            };
 
            foreach (var aProjectionData in aProjectionDataCollection)
            {
                UTF16String aProjectionName = aProjectionData.Key;
                Direction aProjectionDirection = aProjectionData.Value;
 
                UTF16String anOutFilePath = new UTF16String(anOutFolder + "projection_" + aProjectionName + ".stl");
 
                if (ComputeProjection(aModel, aProjectionDirection, aProjectionName, anOutFilePath))
                {
                    Console.WriteLine("The output projection is written: " + anOutFilePath);
                }
                else
                {
                    Console.WriteLine("Failed to save the result: " + anOutFilePath);
                }
                Console.WriteLine("");
            }
 
            return 0;
        }
 
        private  static void PrintProjectionInfo(Part thePart,
                                        UTF16String theDirectionName,
                                        Projector_Projection theProjection)
        {
            Console.WriteLine("Part [" + thePart.Name() + "], projection " + theDirectionName + ":");
            if (theProjection != null)
            {
                Console.WriteLine("    area            = " + theProjection.Area() + " mm");
                Console.WriteLine("    outer perimeter = " + theProjection.OuterPerimeter() + " mm");
            }
            else
            {
                Console.WriteLine("    undefined");
            }
            Console.WriteLine("");
        }
 
        private class ProjectionComputer : ModelElementVoidVisitor
        {
            public ProjectionComputer(Direction theDirection,
                                      UTF16String theDirectionName)
            {
                myDirection = theDirection;
                myDirectionName = theDirectionName;
            }
 
            public bool SaveProjection(UTF16String theFileName)
            {
                if (myPartProjections.Count == 0)
                {
                    return false;
                }
                
                Part aPart = new Part(new UTF16String("Projections"));
 
                foreach (Projector_Projection aProjection in myPartProjections)
                {
                    MeshBody aMeshBody = new MeshBody(aProjection.Mesh());
                    aPart.AddBody(aMeshBody);
                }
 
                Model anOutModel = new Model(new UTF16String("Projector"));
                anOutModel.AddRoot(aPart);
 
                ModelWriter aWriter = new ModelWriter();
                return aWriter.Write(anOutModel, theFileName);
            }
 
            public override void Apply(Part thePart)
            {
                Projector_Projection aProjection = myProjector.Perform(thePart, myDirection);
                PrintProjectionInfo(thePart, myDirectionName, aProjection);
                if (aProjection != null)
                {
                    myPartProjections.Add(aProjection);
                }
            }
 
            private readonly Direction myDirection;
            private readonly UTF16String myDirectionName;
            private Projector_PolyProjector myProjector = new Projector_PolyProjector();
            private List<Projector_Projection> myPartProjections = new List<Projector_Projection>();
        }
 
        static bool ComputeProjection(Model theModel,
                                      Direction theDirection,
                                      UTF16String theDirectionName,
                                      UTF16String theOutFileName)
        {
            ProjectionComputer aComputer = new ProjectionComputer(theDirection, theDirectionName);
            theModel.Accept(aComputer);
            return aComputer.SaveProjection(theOutFileName);
        }
    }
}