Marble
GnomonicProjection.cpp
141bool GnomonicProjection::geoCoordinates(const int x, const int y, const ViewportParams *viewport, qreal &lon, qreal &lat, GeoDataCoordinates::Unit unit) const
149 const qreal p = qMax(qSqrt(rx * rx + ry * ry), qreal(0.0001)); // ensure we don't divide by zero
This file contains the headers for ViewportParams.
virtual qreal maxValidLat() const
Returns the maximum (northern) latitude that is mathematically defined and reasonable.
Definition AbstractProjection.cpp:91
virtual qreal minValidLat() const
Returns the minimum (southern) latitude that is mathematically defined and reasonable.
Definition AbstractProjection.cpp:113
A base class for the Gnomonic and Orthographic (Globe) projections in Marble.
Definition AzimuthalProjection.h:26
bool screenCoordinates(const GeoDataCoordinates &coordinates, const ViewportParams *params, qreal &x, qreal &y, bool &globeHidesPoint) const override
Get the screen coordinates corresponding to geographical coordinates in the map.
Definition GnomonicProjection.cpp:75
bool geoCoordinates(const int x, const int y, const ViewportParams *params, qreal &lon, qreal &lat, GeoDataCoordinates::Unit unit=GeoDataCoordinates::Degree) const override
Get the earth coordinates corresponding to a pixel in the map.
Definition GnomonicProjection.cpp:141
QString name() const override
Returns the user-visible name of the projection.
Definition GnomonicProjection.cpp:53
QString description() const override
Returns a short user description of the projection that can be used in tooltips or dialogs.
Definition GnomonicProjection.cpp:58
A public class that controls what is visible in the viewport of a Marble map.
Definition ViewportParams.h:41
Binds a QML item to a specific geodetic location in screen coordinates.
Definition AbstractDataPlugin.cpp:23
QString tr(const char *sourceText, const char *disambiguation, int n)
qreal height() const const
qreal width() const const
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Documentation copyright © 1996-2024 The KDE developers.
Generated on Mon Nov 4 2024 16:37:03 by doxygen 1.12.0 written by Dimitri van Heesch, © 1997-2006
Documentation copyright © 1996-2024 The KDE developers.
Generated on Mon Nov 4 2024 16:37:03 by doxygen 1.12.0 written by Dimitri van Heesch, © 1997-2006
KDE's Doxygen guidelines are available online.