projector/poly_projector/poly_projector.java

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.
//
// 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.
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import cadex.*;
import cadex.ModelData.*;
 
import java.util.*;
 
public class poly_projector {
    static {
        try {
            System.loadLibrary("CadExMTK");
        } catch (UnsatisfiedLinkError e) {
            System.err.println("Native code library failed to load.\n" + e);
            System.exit(1);
        }
    }
 
    public static void main(String[] args) {
        String aKey = MTKLicenseKey.Value();
 
        // Activate the license (the key must be defined in MTKLicenseKey.java)
        if (!LicenseManager.Activate(aKey)) {
            System.out.println("Failed to activate Manufacturing Toolkit license.");
            System.exit(1);
        }
 
        if (args.length != 1) {
            System.out.println("Usage: " + " <input_file>, where:");
            System.out.println("    <input_file> is a name of the file to be read");
            System.exit(1);
        }
 
        String aSource = args[0];
 
        Model aModel = new Model();
        ModelReader aReader = new ModelReader();
 
        // Reading the file
        if (!aReader.Read(new UTF16String(aSource), aModel)) {
            System.out.println("Failed to read the file " + aSource);
            System.exit(1);
        }
        System.out.format("Model: %s\n\n", aModel.Name());
 
        ModelPolyProjector aProjector = new ModelPolyProjector(cadex.Geom.Direction.YDir());
        aModel.Accept(aProjector);
 
    }
}
 
class ModelPolyProjector extends ModelElementVoidVisitor {
    public ModelPolyProjector(cadex.Geom.Direction theDirection) {
        myDirection = theDirection;
    }
 
    @Override
    public void Apply(Part thePart) {
        Projector_PolyData aData = myProjector.Perform(thePart, myDirection);
 
        System.out.println("Part projection [" + thePart.Name() + "] has:");
        System.out.println("    area = " + aData.ProjectionArea() + " mm");
    }
 
    private cadex.Geom.Direction myDirection;
    private Projector_PolyProjector myProjector = new Projector_PolyProjector();
}