sipApproximation.cc

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/*
 * Developed for the LSST Data Management System.
 * This product includes software developed by the LSST Project
 * (https://www.lsst.org).
 * See the COPYRIGHT file at the top-level directory of this distribution
 * for details of code ownership.
 *
 * 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 GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
#include "pybind11/pybind11.h"
#include "pybind11/stl.h"
#include "pybind11/eigen.h"
 
#include "ndarray/pybind11.h"
 
#include "lsst/afw/geom/SipApproximation.h"
 
namespace py = pybind11;
using namespace pybind11::literals;
 
namespace lsst { namespace afw { namespace geom { namespace {
 
using PySipApproximation = py::class_<SipApproximation, std::shared_ptr<SipApproximation>>;
 
PYBIND11_MODULE(sipApproximation, mod) {
    py::module::import("lsst.geom");
    py::module::import("lsst.afw.geom.transform");
 
    PySipApproximation cls(mod, "SipApproximation");
 
    cls.def(
        py::init<
            std::shared_ptr<TransformPoint2ToPoint2>,
            lsst::geom::Point2D const &,
            Eigen::MatrixXd const &,
            lsst::geom::Box2D const &,
            lsst::geom::Extent2I const &,
            int,
            bool,
            double
        >(),
        "pixelToIwc"_a, "crpix"_a, "cd"_a, "bbox"_a, "gridShape"_a, "order"_a,
        "useInverse"_a=true, "svdThreshold"_a=-1
    );
 
    cls.def(
        py::init<
            std::shared_ptr<TransformPoint2ToPoint2>,
            lsst::geom::Point2D const &,
            Eigen::MatrixXd const &,
            lsst::geom::Box2D const &,
            lsst::geom::Extent2I const &,
            ndarray::Array<double const, 2> const &,
            ndarray::Array<double const, 2> const &,
            ndarray::Array<double const, 2> const &,
            ndarray::Array<double const, 2> const &,
            bool
        >(),
        "pixelToIwc"_a, "crpix"_a, "cd"_a, "bbox"_a, "gridShape"_a,
        "a"_a, "b"_a, "ap"_a, "bp"_a, "useInverse"_a=true
    );
 
    using ScalarTransform = lsst::geom::Point2D (SipApproximation::*)(lsst::geom::Point2D const &) const;
    using VectorTransform = std::vector<lsst::geom::Point2D> (SipApproximation::*)(
        std::vector<lsst::geom::Point2D> const &) const;
 
    cls.def("getOrder", &SipApproximation::getOrder);
    cls.def("getA", py::overload_cast<int, int>(&SipApproximation::getA, py::const_), "p"_a, "q"_a);
    cls.def("getB", py::overload_cast<int, int>(&SipApproximation::getB, py::const_), "p"_a, "q"_a);
    cls.def("getAP", py::overload_cast<int, int>(&SipApproximation::getAP, py::const_), "p"_a, "q"_a);
    cls.def("getBP", py::overload_cast<int, int>(&SipApproximation::getBP, py::const_), "p"_a, "q"_a);
    cls.def("getA", py::overload_cast<>(&SipApproximation::getA, py::const_));
    cls.def("getB", py::overload_cast<>(&SipApproximation::getB, py::const_));
    cls.def("getAP", py::overload_cast<>(&SipApproximation::getAP, py::const_));
    cls.def("getBP", py::overload_cast<>(&SipApproximation::getBP, py::const_));
    cls.def("applyForward", (ScalarTransform)&SipApproximation::applyForward);
    cls.def("applyForward", (VectorTransform)&SipApproximation::applyForward);
    cls.def("applyInverse", (ScalarTransform)&SipApproximation::applyInverse);
    cls.def("applyInverse", (VectorTransform)&SipApproximation::applyInverse);
    cls.def("getGridStep", &SipApproximation::getGridStep);
    cls.def("getGridShape", &SipApproximation::getGridShape);
    cls.def("getBBox", &SipApproximation::getBBox);
    cls.def("getPixelOrigin", &SipApproximation::getPixelOrigin);
    cls.def("getCdMatrix", &SipApproximation::getCdMatrix);
    cls.def("updateGrid", &SipApproximation::updateGrid, "shape"_a);
    cls.def("refineGrid", &SipApproximation::refineGrid, "factor"_a=2);
    cls.def("fit", &SipApproximation::fit, "order"_a, "svdThreshold"_a=-1);
    cls.def("computeMaxDeviation", &SipApproximation::computeMaxDeviation);
}
 
}}}}  // namespace lsst::afw::<anonymous>