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LSST Data Management Base Package
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Namespaces | Functions
orientation.h File Reference

This file declares functions for orienting points on the sphere. More...

#include "UnitVector3d.h"

Go to the source code of this file.

Namespaces

namespace  lsst
 
namespace  lsst::sphgeom
 

Functions

int lsst::sphgeom::orientationExact (Vector3d const &a, Vector3d const &b, Vector3d const &c)
 orientationExact computes and returns the orientations of 3 vectors a, b and c, which need not be normalized but are assumed to have finite components.
 
int lsst::sphgeom::orientation (UnitVector3d const &a, UnitVector3d const &b, UnitVector3d const &c)
 orientation computes and returns the orientations of 3 unit vectors a, b and c.
 
int lsst::sphgeom::orientationX (UnitVector3d const &b, UnitVector3d const &c)
 orientationX(b, c) is equivalent to orientation(UnitVector3d::X(), b, c).
 
int lsst::sphgeom::orientationY (UnitVector3d const &b, UnitVector3d const &c)
 orientationY(b, c) is equivalent to orientation(UnitVector3d::Y(), b, c).
 
int lsst::sphgeom::orientationZ (UnitVector3d const &b, UnitVector3d const &c)
 orientationZ(b, c) is equivalent to orientation(UnitVector3d::Z(), b, c).
 

Detailed Description

This file declares functions for orienting points on the sphere.

Definition in file orientation.h.