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// Copyright (c) 2014 libmv authors.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//
// Author: mierle@gmail.com (Keir Mierle)
#ifndef LIBMV_AUTOTRACK_QUAD_H_
#define LIBMV_AUTOTRACK_QUAD_H_
#include <Eigen/Core>
namespace mv {
template <typename T, int D>
struct Quad {
// A quad is 4 points; generally in 2D or 3D.
//
// +----------> x
// |\.
// | \.
// | z (z goes into screen)
// |
// | r0----->r1
// | ^ |
// | | . |
// | | V
// | r3<-----r2
// | \.
// | \.
// v normal goes away (right handed).
// y
//
// Each row is one of the corners coordinates; either (x, y) or (x, y, z).
Eigen::Matrix<T, 4, D> coordinates;
};
typedef Quad<float, 2> Quad2Df;
} // namespace mv
#endif // LIBMV_AUTOTRACK_QUAD_H_
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