File indexing completed on 2024-04-21 14:46:32
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 GNOMONICPROJECTOR_H 0008 #define GNOMONICPROJECTOR_H 0009 0010 #include "projector.h" 0011 0012 /** 0013 * @class GnomonicProjector 0014 * 0015 * Implememntation of <a href="https://en.wikipedia.org/wiki/Gnomonic_projection">Gnomonic projection</a> 0016 * 0017 */ 0018 class GnomonicProjector : public Projector 0019 { 0020 public: 0021 explicit GnomonicProjector(const ViewParams &p); 0022 Projection type() const override; 0023 double radius() const override; 0024 double projectionK(double x) const override; 0025 double projectionL(double x) const override; 0026 double cosMaxFieldAngle() const override; 0027 }; 0028 0029 #endif // GNOMONICPROJECTOR_H