Kstars

gnomonicprojector.h
1 /*
2  SPDX-FileCopyrightText: 2010 Henry de Valence <[email protected]>
3 
4  SPDX-License-Identifier: GPL-2.0-or-later
5 */
6 
7 #ifndef GNOMONICPROJECTOR_H
8 #define GNOMONICPROJECTOR_H
9 
10 #include "projector.h"
11 
12 /**
13  * @class GnomonicProjector
14  *
15  * Implememntation of <a href="https://en.wikipedia.org/wiki/Gnomonic_projection">Gnomonic projection</a>
16  *
17  */
18 class GnomonicProjector : public Projector
19 {
20  public:
21  explicit GnomonicProjector(const ViewParams &p);
22  Projection type() const override;
23  double radius() const override;
24  double projectionK(double x) const override;
25  double projectionL(double x) const override;
26  double cosMaxFieldAngle() const override;
27 };
28 
29 #endif // GNOMONICPROJECTOR_H
GnomonicProjector::type
Projection type() const override
Return the type of this projection.
Definition: gnomonicprojector.cpp:14
GnomonicProjector::radius
double radius() const override
Get the radius of this projection's sky circle.
Definition: gnomonicprojector.cpp:19
GnomonicProjector::projectionK
double projectionK(double x) const override
This function handles some of the projection-specific code.
Definition: gnomonicprojector.cpp:24
GnomonicProjector::cosMaxFieldAngle
double cosMaxFieldAngle() const override
This function returns the cosine of the maximum field angle, i.e., the maximum angular distance from ...
Definition: gnomonicprojector.cpp:34
GnomonicProjector::projectionL
double projectionL(double x) const override
This function handles some of the projection-specific code.
Definition: gnomonicprojector.cpp:29
ViewParams
This is just a container that holds information needed to do projections.
Definition: projector.h:36
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