projector/poly_projector/main.cxx

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.
//
// 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:
// * Redistributions of source code must retain the above copyright notice,
//   this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
//   this list of conditions and the following disclaimer in the documentation
//   and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// POSSIBILITY OF SUCH DAMAGE.
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// ****************************************************************************
 
 
#include <cadex/Base/UTF16String.hxx>
#include <cadex/Geom/Direction.hxx>
#include <cadex/LicenseManager_Activate.h>
#include <cadex/LicenseManager_LicenseError.hxx>
#include <cadex/ModelData/IndexedTriangleSet.hxx>
#include <cadex/ModelData/MeshBody.hxx>
#include <cadex/ModelData/Model.hxx>
#include <cadex/ModelData/ModelReader.hxx>
#include <cadex/ModelData/ModelWriter.hxx>
#include <cadex/ModelData/Part.hxx>
#include <cadex/Projector_PolyProjector.hxx>
#include <cadex/Projector_Projection.hxx>
 
#include <iostream>
#include <vector>
 
#include "../../mtk_license.cxx"
 
 
using namespace cadex;
using namespace std;
 
static void PrintProjectionInfo (
    const ModelData::Part&      thePart,
    const UTF16String&          theDirectionName,
    const Projector_Projection& theProjection)
{
    std::cout << "Part [" << thePart.Name() << "], projection " << theDirectionName << ":" << std::endl;
    std::cout << "    area            = " << theProjection.Area() << " mm" << std::endl;
    std::cout << "    outer perimeter = " << theProjection.OuterPerimeter() << " mm" << std::endl;
    std::cout << std::endl;
}
 
class ProjectionComputer : public ModelData::ModelElementVoidVisitor
{
public:
    ProjectionComputer (const Geom::Direction& theDirection, const UTF16String& theDirectionName) :
        myDirection (theDirection),
        myDirectionName (theDirectionName)
    {}
 
    bool SaveProjection (const UTF16String& theFileName) const
    {
        ModelData::Part aPart (UTF16String ("Projections"));
 
        for (const auto& aProjection : myPartProjections) {
            ModelData::MeshBody aMeshBody (aProjection.Mesh());
            aPart.AddBody (aMeshBody);
        }
 
        ModelData::Model anOutModel (UTF16String ("Projector"));
        anOutModel.AddRoot (aPart);
 
        ModelData::ModelWriter aWriter;
        return aWriter.Write (anOutModel, theFileName);
    }
 
protected:
    void operator() (const ModelData::Part& thePart) override
    {
        Projector_Projection aProjection = myProjector.Perform (thePart, myDirection);
        PrintProjectionInfo (thePart, myDirectionName, aProjection);
        myPartProjections.push_back (aProjection);
    }
 
private:
    Geom::Direction                   myDirection;
    const UTF16String&                myDirectionName;
    Projector_PolyProjector           myProjector;
    std::vector<Projector_Projection> myPartProjections;
};
 
static bool ComputeProjection (
    const ModelData::Model& theModel,
    const Geom::Direction&  theDirection,
    const UTF16String&      theDirectionName,
    const UTF16String&      theOutFileName)
{
    ProjectionComputer aComputer (theDirection, theDirectionName);
    theModel.Accept (aComputer);
    return aComputer.SaveProjection (theOutFileName);
}
 
int main (int argc, char* argv[])
{
    auto aKey = MTKLicenseKey::Value();
 
    // Activate the license (aKey must be defined in mtk_license.cxx)
    if (!CADExLicense_Activate (aKey)) {
        cerr << "Failed to activate Manufacturing Toolkit license." << endl;
        return 1;
    }
 
    if (argc != 3) {
        cerr << "Usage: " << argv[0] << " <input_file> <output_folder>, where:" << endl;
        cerr << "    <input_file> is a name of the file to be read" << endl;
        cerr << "    <output_folder> is a folder to save projections to (must end with '/' or '\\\\')" << endl;
        return 1;
    }
 
    const UTF16String aSource (argv[1]);
    const UTF16String anOutFolder (argv[2]);
 
    ModelData::Model       aModel;
    ModelData::ModelReader aReader;
 
    // Reading the file
    if (!aReader.Read (aSource, aModel)) {
        cerr << "Failed to read the file " << argv[1] << endl;
        return 1;
    }
    cout << "Model: " << aModel.Name() << "\n" << endl;
 
    std::vector<std::pair<UTF16String, Geom::Direction>> aProjectionDataCollection = {
        { "X", Geom::Direction::XDir() },
        { "Y", Geom::Direction::YDir() },
        { "Z", Geom::Direction::ZDir() }
    };
 
    for (const auto& aProjectionData : aProjectionDataCollection) {
        const auto& aProjectionName = aProjectionData.first;
        const auto& aProjectionDirection = aProjectionData.second;
 
        UTF16String anOutFilePath = anOutFolder + "projection_" + aProjectionName + ".stl";
        if (ComputeProjection (aModel, aProjectionDirection, aProjectionName, anOutFilePath)) {
            cout << "The output projection is written: " << anOutFilePath << endl << endl;
        } else {
            cerr << "Failed to write the output file: " << anOutFilePath << endl;
        }
    }
 
    return 0;
}