File indexing completed on 2024-03-24 15:17:41
0001 /* 0002 SPDX-FileCopyrightText: 2010 Henry de Valence <hdevalence@gmail.com> 0003 0004 SPDX-License-Identifier: GPL-2.0-or-later 0005 */ 0006 0007 #ifndef LAMBERTPROJECTOR_H 0008 #define LAMBERTPROJECTOR_H 0009 0010 #include "projector.h" 0011 0012 /** 0013 * @class LambertProjector 0014 * 0015 * Implememntation of <a href="https://en.wikipedia.org/wiki/Lambert_azimuthal_equal-area_projection">Lambert azimuthal equal-area projection</a> 0016 * 0017 */ 0018 class LambertProjector : public Projector 0019 { 0020 public: 0021 explicit LambertProjector(const ViewParams &p); 0022 ~LambertProjector() override = default; 0023 Projection type() const override; 0024 double radius() const override; 0025 double projectionK(double x) const override; 0026 double projectionL(double x) const override; 0027 }; 0028 0029 #endif // LAMBERTPROJECTOR_H