Class defining default implementations for some spherical geometry methods. More...

#include <StelSphereGeometry.hpp>

Public Member Functions
	SphericalPolygon (const QVector< QVector< Vec3d > > &contours)
	Constructor from a list of contours.

	SphericalPolygon (const QVector< Vec3d > &contour)
	Constructor from one contour.

	SphericalPolygon (const OctahedronPolygon &octContour)

	SphericalPolygon (const QList< OctahedronPolygon > &octContours)

SphericalRegionType	getType () const override

OctahedronPolygon	getOctahedronPolygon () const override
	Return the octahedron contour representation of the polygon. More...

QVariantList	toQVariant () const override
	Serialize the region into a QVariant map matching the JSON format. More...

void	serialize (QDataStream &out) const override
	Serialize the region. This method must allow as fast as possible serialization and work with deserialize().

SphericalCap	getBoundingCap () const override
	Return a bounding SphericalCap. More...

bool	contains (const Vec3d &p) const override

bool	contains (const SphericalPolygon &r) const override

bool	contains (const SphericalConvexPolygon &r) const override

bool	contains (const SphericalCap &r) const override

bool	contains (const SphericalPoint &r) const override

bool	contains (const AllSkySphericalRegion &r) const override

SphericalRegionP	getSubtraction (const SphericalPoint &) const override

SphericalRegionP	getSubtraction (const EmptySphericalRegion &) const override

void	setContours (const QVector< QVector< Vec3d > > &contours)
	Set the contours defining the SphericalPolygon. More...

void	setContour (const QVector< Vec3d > &contour)
	Set a single contour defining the SphericalPolygon. More...

QVector< QVector< Vec3d > >	getClosedOutlineContours () const
	Return the list of closed contours defining the polygon boundaries.

bool	intersects (const SphericalRegion *r) const
	Returns whether a SphericalRegion intersects with this region. More...

bool	intersects (const SphericalRegionP r) const

bool	intersects (const Vec3d &p) const

virtual bool	intersects (const SphericalPolygon &r) const

virtual bool	intersects (const SphericalConvexPolygon &r) const

virtual bool	intersects (const SphericalCap &r) const

virtual bool	intersects (const SphericalPoint &r) const

virtual bool	intersects (const AllSkySphericalRegion &r) const

bool	intersects (const EmptySphericalRegion &) const

bool	contains (const SphericalRegion *r) const
	Returns whether a SphericalRegion is contained into this region. More...

bool	contains (const SphericalRegionP r) const

virtual bool	contains (const Vec3d &p) const

virtual bool	contains (const SphericalPolygon &r) const

virtual bool	contains (const SphericalConvexPolygon &r) const

virtual bool	contains (const SphericalCap &r) const

virtual bool	contains (const SphericalPoint &r) const

virtual bool	contains (const AllSkySphericalRegion &r) const

bool	contains (const EmptySphericalRegion &) const

SphericalRegionP	getSubtraction (const SphericalRegion *r) const
	Return a new SphericalRegion consisting of the subtraction of the given region from this. More...

SphericalRegionP	getSubtraction (const SphericalRegionP r) const

virtual SphericalRegionP	getSubtraction (const SphericalPolygon &r) const

virtual SphericalRegionP	getSubtraction (const SphericalConvexPolygon &r) const

virtual SphericalRegionP	getSubtraction (const SphericalCap &r) const

virtual SphericalRegionP	getSubtraction (const SphericalPoint &r) const

SphericalRegionP	getSubtraction (const AllSkySphericalRegion &r) const

virtual SphericalRegionP	getSubtraction (const EmptySphericalRegion &r) const

Public Member Functions inherited from SphericalRegion
virtual double	getArea () const
	Return the area of the region in steradians.

virtual bool	isEmpty () const
	Return true if the region is empty.

virtual Vec3d	getPointInside () const
	Return a point located inside the region.

virtual QVector< SphericalCap >	getBoundingSphericalCaps () const
	Return the list of SphericalCap bounding the ConvexPolygon.

virtual SphericalRegionP	getEnlarged (double margin) const
	Return an enlarged version of this SphericalRegion so that any point distant of more than the given margin now lays within the region. More...

virtual StelVertexArray	getFillVertexArray () const
	Return an OpenGL compatible array to be displayed using vertex arrays.

virtual StelVertexArray	getFillVertexArray (const Vec3d &observerVelocityForAberration)
	Return an OpenGL compatible array to be displayed using vertex arrays. More...

virtual StelVertexArray	getOutlineVertexArray () const
	Get the outline of the contours defining the SphericalPolygon. More...

virtual StelVertexArray	getOutlineVertexArray (Vec3d observerVelocityForAberration)
	Get the outline of the contours defining the SphericalPolygon. More...

virtual QVector< QVector< Vec3d > >	getSimplifiedContours () const
	Get the contours defining the SphericalPolygon when combined using a positive winding rule. More...

QByteArray	toJSON () const
	Output a JSON string representing the polygon. More...

bool	contains (const SphericalRegion *r) const
	Returns whether a SphericalRegion is contained into this region. More...

bool	contains (const SphericalRegionP r) const

bool	contains (const EmptySphericalRegion &) const

bool	intersects (const SphericalRegion *r) const
	Returns whether a SphericalRegion intersects with this region. More...

bool	intersects (const SphericalRegionP r) const

bool	intersects (const Vec3d &p) const

virtual bool	intersects (const SphericalPolygon &r) const

virtual bool	intersects (const SphericalConvexPolygon &r) const

virtual bool	intersects (const SphericalCap &r) const

virtual bool	intersects (const SphericalPoint &r) const

virtual bool	intersects (const AllSkySphericalRegion &r) const

bool	intersects (const EmptySphericalRegion &) const

SphericalRegionP	getSubtraction (const SphericalRegion *r) const
	Return a new SphericalRegion consisting of the subtraction of the given region from this. More...

SphericalRegionP	getSubtraction (const SphericalRegionP r) const

virtual SphericalRegionP	getSubtraction (const SphericalPolygon &r) const

virtual SphericalRegionP	getSubtraction (const SphericalConvexPolygon &r) const

virtual SphericalRegionP	getSubtraction (const SphericalCap &r) const

SphericalRegionP	getSubtraction (const AllSkySphericalRegion &r) const

Static Public Member Functions
static SphericalRegionP	deserialize (QDataStream &in)
	Deserialize the region. This method must allow as fast as possible deserialization.

Additional Inherited Members
Public Types inherited from SphericalRegion
enum	SphericalRegionType { Point = 0 , Cap = 1 , AllSky = 2 , Polygon = 3 , ConvexPolygon = 4 , Empty = 5 , Invalid = 6 }
	define types for all supported regions.

Detailed Description

Class defining default implementations for some spherical geometry methods.

All methods are reentrant.

Member Function Documentation

◆ contains()

bool SphericalRegion::contains

Returns whether a SphericalRegion is contained into this region.

A default potentially very slow implementation is provided for each case.

◆ getBoundingCap()

SphericalCap SphericalPolygon::getBoundingCap ( ) const

overridevirtual

Return a bounding SphericalCap.

This method is heavily used and therefore needs to be very fast. The returned SphericalCap doesn't have to be the smallest one, but smaller is better.

Reimplemented from SphericalRegion.

◆ getOctahedronPolygon()

OctahedronPolygon SphericalPolygon::getOctahedronPolygon ( ) const

inlineoverridevirtual

Return the octahedron contour representation of the polygon.

It can be used for safe computation of intersection/union in the general case.

Implements SphericalRegion.

◆ getSubtraction()

SphericalRegionP SphericalRegion::getSubtraction

Return a new SphericalRegion consisting of the subtraction of the given region from this.

A default potentially very slow implementation is provided for each case.

◆ intersects()

bool SphericalRegion::intersects

Returns whether a SphericalRegion intersects with this region.

A default potentially very slow implementation is provided for each case.

◆ setContour()

void SphericalPolygon::setContour ( const QVector< Vec3d > & contour )

inline

Set a single contour defining the SphericalPolygon.

Parameters

contour a contour defining the polygon area.

◆ setContours()

void SphericalPolygon::setContours ( const QVector< QVector< Vec3d > > & contours )

inline

Set the contours defining the SphericalPolygon.

Parameters

contours the list of contours defining the polygon area. The contours are combined using the positive winding rule, meaning that the polygon is the union of the positive contours minus the negative ones.

◆ toQVariant()

QVariantList SphericalPolygon::toQVariant ( ) const

overridevirtual

Serialize the region into a QVariant map matching the JSON format.

The format is:

[[[ra,dec], [ra,dec], [ra,dec], [ra,dec]], [[ra,dec], [ra,dec], [ra,dec]],[...]]

it is a list of closed contours, with each points defined by ra dec in degree in the ICRS frame.

Implements SphericalRegion.

Reimplemented in SphericalTexturedPolygon.

Public Member Functions

Static Public Member Functions

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ contains()

◆ getBoundingCap()

◆ getOctahedronPolygon()

◆ getSubtraction()

◆ intersects()

◆ setContour()

◆ setContours()

◆ toQVariant()