meshing/netgen/Program.cs

Refer to the Netgen Mesher Example.

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// $Id$
//
// Copyright (C) 2008-2014, Roman Lygin. All rights reserved.
// Copyright (C) 2014-2023, CADEX. All rights reserved.
//
// This file is part of the CAD Exchanger software.
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using cadex;
using System;
using System.Runtime.InteropServices;
 
namespace netgen
{
    class Program
    {
        // For more information see https://stackoverflow.com/questions/8836093/how-can-i-specify-a-dllimport-path-at-runtime
        [DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
        static extern bool SetDllDirectory(string lpPathName);
 
        static int Main(string[] args)
        {
            // Add runtime path to CAD Exchanger libraries (e.g. compiled with Visual Studio 2015)
            SetDllDirectory("../../../../../../win64/vc14.1/bin");
 
            string aKey = LicenseKey.Value();
 
            // Activate the license (aKey must be defined in cadex_license.cs)
            if (!LicenseManager.Activate(aKey))
            {
                Console.WriteLine("Failed to activate CAD Exchanger 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 XML file to be read");
                return 1;
            }
 
            string aSource = args[0];
 
            ModelData_Model aModel = new ModelData_Model();
 
            if (!new ModelData_ModelReader().Read(new Base_UTF16String(aSource), aModel))
            {
                Console.WriteLine("Failed to read the file " + aSource);
                return 1;
            }
 
            // Set up mesher and parameters
            ModelAlgo_BRepMesherParameters aParam = new ModelAlgo_BRepMesherParameters();
 
            // Netgen setup
            MeshAlgo_NetgenFactory aNF = new MeshAlgo_NetgenFactory();
            MeshAlgo_NetgenFactory.Parameters aP = new MeshAlgo_NetgenFactory.Parameters();
            aP.SetGranularity(MeshAlgo_NetgenFactory.Parameters.GranularityType.Fine);
            aNF.SetParameters(aP);
            aParam.SetComputationalMeshAlgo(aNF);
 
            ModelAlgo_BRepMesher aMesher = new ModelAlgo_BRepMesher(aParam);
            aMesher.Compute(aModel, true /*to add a polygonal representation to the model*/);
 
            if (!new ModelData_ModelWriter().Write(aModel, new Base_UTF16String("netgen.cdx")))
            {
                Console.WriteLine("Unable to save the model!");
                return 1;
            }
 
            return 0;
        }
    }
}