transformFactory.h

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// -*- lsst-c++ -*-
 
#ifndef LSST_AFW_GEOM_TRANSFORMFACTORY_H
#define LSST_AFW_GEOM_TRANSFORMFACTORY_H
 
/*
 * LSST Data Management System
 * Copyright 2008-2017 LSST Corporation.
 *
 * This product includes software developed by the
 * LSST Project (http://www.lsst.org/).
 *
 * 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.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the LSST License Statement and
 * the GNU General Public License along with this program.  If not,
 * see <http://www.lsstcorp.org/LegalNotices/>.
 */
 
/*
 * Functions for producing Transforms with commonly desired properties.
 */
 
#include "lsst/geom/AffineTransform.h"
#include "lsst/afw/geom/Transform.h"
 
namespace lsst {
namespace afw {
namespace geom {

lsst::geom::AffineTransform linearizeTransform(TransformPoint2ToPoint2 const &original,
                                               lsst::geom::Point2D const &inPoint);

std::shared_ptr<TransformPoint2ToPoint2> makeTransform(lsst::geom::AffineTransform const &affine);

std::shared_ptr<TransformPoint2ToPoint2> makeRadialTransform(std::vector<double> const &coeffs);

std::shared_ptr<TransformPoint2ToPoint2> makeRadialTransform(std::vector<double> const &forwardCoeffs,
                                                             std::vector<double> const &inverseCoeffs);

std::shared_ptr<TransformPoint2ToPoint2> makeIdentityTransform();
 
}  // namespace geom
}  // namespace afw
}  // namespace lsst
 
#endif  // LSST_AFW_GEOM_TRANSFORMFACTORY_H