GUIConverter.cpp

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/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * Written (W) 2012 Sergey Lisitsyn
 * Copyright (C) 2012 Sergey Lisitsyn
 */

#include <shogun/ui/GUIConverter.h>
#include <shogun/ui/SGInterface.h>

#include <shogun/lib/config.h>
#include <shogun/io/SGIO.h>
#include <shogun/features/DenseFeatures.h>
#include <shogun/kernel/GaussianKernel.h>

#include <shogun/converter/LocallyLinearEmbedding.h>
#include <shogun/converter/HessianLocallyLinearEmbedding.h>
#include <shogun/converter/LocalTangentSpaceAlignment.h>
#include <shogun/converter/NeighborhoodPreservingEmbedding.h>
#include <shogun/converter/LaplacianEigenmaps.h>
#include <shogun/converter/LocalityPreservingProjections.h>
#include <shogun/converter/DiffusionMaps.h>
#include <shogun/converter/LinearLocalTangentSpaceAlignment.h>
#include <shogun/converter/MultidimensionalScaling.h>
#include <shogun/converter/Isomap.h>
#include <shogun/converter/EmbeddingConverter.h>

using namespace shogun;

CGUIConverter::CGUIConverter(CSGInterface* ui)
: CSGObject(), m_ui(ui)
{
    m_converter = NULL;
}

CGUIConverter::~CGUIConverter()
{
    SG_UNREF(m_converter);
}

bool CGUIConverter::create_locallylinearembedding(int32_t k)
{
#ifdef HAVE_LAPACK
    m_converter = new CLocallyLinearEmbedding();
    ((CLocallyLinearEmbedding*)m_converter)->set_k(k);
#else
    SG_ERROR("Requires Lapack to be enabled at compile time\n");
#endif
    return true;
}

bool CGUIConverter::create_neighborhoodpreservingembedding(int32_t k)
{
#ifdef HAVE_LAPACK
    m_converter = new CNeighborhoodPreservingEmbedding();
    ((CNeighborhoodPreservingEmbedding*)m_converter)->set_k(k);
#else
    SG_ERROR("Requires Lapack to be enabled at compile time\n");
#endif
    return true;
}

bool CGUIConverter::create_localtangentspacealignment(int32_t k)
{
#ifdef HAVE_LAPACK
    m_converter = new CLocalTangentSpaceAlignment();
    ((CLocalTangentSpaceAlignment*)m_converter)->set_k(k);
#else
    SG_ERROR("Requires Lapack to be enabled at compile time\n");
#endif
    return true;
}

bool CGUIConverter::create_linearlocaltangentspacealignment(int32_t k)
{
#ifdef HAVE_LAPACK
    m_converter = new CLinearLocalTangentSpaceAlignment();
    ((CLinearLocalTangentSpaceAlignment*)m_converter)->set_k(k);
#else
    SG_ERROR("Requires Lapack to be enabled at compile time\n");
#endif
    return true;
}

bool CGUIConverter::create_hessianlocallylinearembedding(int32_t k)
{
#ifdef HAVE_LAPACK
    m_converter = new CLocallyLinearEmbedding();
    ((CHessianLocallyLinearEmbedding*)m_converter)->set_k(k);
#else
    SG_ERROR("Requires Lapack to be enabled at compile time\n");
#endif
    return true;
}

bool CGUIConverter::create_laplacianeigenmaps(int32_t k, float64_t width)
{
#ifdef HAVE_LAPACK
    m_converter = new CLaplacianEigenmaps();
    ((CLaplacianEigenmaps*)m_converter)->set_k(k);
    ((CLaplacianEigenmaps*)m_converter)->set_tau(width);
#else
    SG_ERROR("Requires Lapack to be enabled at compile time\n");
#endif
    return true;
}

bool CGUIConverter::create_localitypreservingprojections(int32_t k, float64_t width)
{
#ifdef HAVE_LAPACK
    m_converter = new CLocalityPreservingProjections();
    ((CLocalityPreservingProjections*)m_converter)->set_k(k);
    ((CLocalityPreservingProjections*)m_converter)->set_tau(width);
#else
    SG_ERROR("Requires Lapack to be enabled at compile time\n");
#endif
    return true;
}

bool CGUIConverter::create_diffusionmaps(int32_t t, float64_t width)
{
#ifdef HAVE_LAPACK
    m_converter = new CDiffusionMaps();
    ((CDiffusionMaps*)m_converter)->set_t(t);
    ((CDiffusionMaps*)m_converter)->set_kernel(new CGaussianKernel(100,width));
#else
    SG_ERROR("Requires Lapack to be enabled at compile time\n");
#endif
    return true;
}

bool CGUIConverter::create_isomap(int32_t k)
{
#ifdef HAVE_LAPACK
    m_converter = new CIsomap();
    ((CIsomap*)m_converter)->set_k(k);
#else
    SG_ERROR("Requires Lapack to be enabled at compile time\n");
#endif
    return true;
}

bool CGUIConverter::create_multidimensionalscaling()
{
#ifdef HAVE_LAPACK
    m_converter = new CMultidimensionalScaling();
#else
    SG_ERROR("Requires Lapack to be enabled at compile time\n");
#endif
    return true;
}

CDenseFeatures<float64_t>* CGUIConverter::embed(int32_t target_dim)
{
    if (!m_converter)
        SG_ERROR("No converter created");
    ((CEmbeddingConverter*)m_converter)->set_target_dim(target_dim);
    return ((CEmbeddingConverter*)m_converter)->embed(m_ui->ui_features->get_train_features());
}