58 lines
1.6 KiB
C++
58 lines
1.6 KiB
C++
// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
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// Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
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// Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
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// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
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// (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
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// Use, modification and distribution is subject to the Boost Software License,
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_GEOMETRY_STRATEGIES_TRANSFORM_INVERSE_TRANSFORMER_HPP
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#define BOOST_GEOMETRY_STRATEGIES_TRANSFORM_INVERSE_TRANSFORMER_HPP
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#include <boost/qvm/mat.hpp>
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#include <boost/qvm/mat_operations.hpp>
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#include <boost/geometry/strategies/transform/matrix_transformers.hpp>
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namespace boost { namespace geometry
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{
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namespace strategy { namespace transform
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{
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/*!
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\brief Transformation strategy to do an inverse transformation in a Cartesian coordinate system
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\ingroup strategies
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*/
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template
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<
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typename CalculationType,
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std::size_t Dimension1,
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std::size_t Dimension2
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>
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class inverse_transformer
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: public matrix_transformer<CalculationType, Dimension1, Dimension2>
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{
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public :
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template <typename Transformer>
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inline inverse_transformer(Transformer const& input)
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{
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this->m_matrix = boost::qvm::inverse(input.matrix());
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}
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};
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}} // namespace strategy::transform
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}} // namespace boost::geometry
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#endif // BOOST_GEOMETRY_STRATEGIES_TRANSFORM_INVERSE_TRANSFORMER_HPP
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