meshing/netgen/main.cxx

Refer to the Netgen Mesher Example.

// ****************************************************************************
// $Id$
//
// 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.
//
// You may use this file under the terms of the BSD license as follows:
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
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//   this list of conditions and the following disclaimer.
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#include <cadex/LicenseManager_Activate.h>
#include <cadex/MeshAlgo_NetgenFactory.hxx>
#include <cadex/ModelAlgo_BRepMesher.hxx>
#include <cadex/ModelAlgo_BRepMesherParameters.hxx>
#include <cadex/ModelData_ModelReader.hxx>
#include <cadex/ModelData_ModelWriter.hxx>
#include <iostream>
 
#include "../../cadex_license.cxx"
 
using namespace std;
using namespace cadex;
 
int main (int argc, char *argv[])
{
    auto aKey = LicenseKey::Value();
 
    // Activate the license (aKey must be defined in cadex_license.cxx)
    if (!CADExLicense_Activate (aKey)) {
        cerr << "Failed to activate CAD Exchanger license." << endl;
        return 1;
    }
 
    if (argc != 2) {
        cerr << "Usage: " << argv[0] << " <input_file>, where:" << endl;
        cerr << "    <input_file> is a name of the XML file to be read" << endl;
        return 1;
    }
 
    const char* aSource = argv[1];
 
    ModelData_Model aModel;
 
    if (!ModelData_ModelReader().Read (aSource, aModel)) {
        cerr << "Failed to read the file " << aSource << endl;
        return 1;
    }
 
    // Set up mesher and parameters
    ModelAlgo_BRepMesherParameters aParam;
 
    // Netgen setup
    MeshAlgo_NetgenFactory aNF;
    MeshAlgo_NetgenFactory::Parameters aP;
    aP.SetGranularity (MeshAlgo_NetgenFactory::Parameters::Fine);
    aNF.SetParameters (aP);
    aParam.ComputationalMeshAlgo() = aNF;
 
    ModelAlgo_BRepMesher aMesher (aParam);
    aMesher.Compute (aModel, true /*to add a polygonal representation to the model*/);
 
    // Save the result
    if (!ModelData_ModelWriter().Write (aModel, "netgen.xml")) {
        cout << "Unable to save the model!" << endl;
        return 1;
    }
 
    return 0;
}