lsst::sphgeom::detail::PixelFinder< Derived, RegionType, InteriorOnly, NumVertices > Class Template Reference

#include <PixelFinder.h>

Public Member Functions
	PixelFinder (RangeSet &ranges, RegionType const &region, int level, size_t maxRanges)
void	visit (UnitVector3d const *pixel, uint64_t index, int level)

Detailed Description

template<typename Derived, typename RegionType, bool InteriorOnly, size_t NumVertices>
class lsst::sphgeom::detail::PixelFinder< Derived, RegionType, InteriorOnly, NumVertices >

Definition at line 76 of file PixelFinder.h.

Constructor & Destructor Documentation

PixelFinder()

template<typename Derived, typename RegionType, bool InteriorOnly, size_t NumVertices>

lsst::sphgeom::detail::PixelFinder< Derived, RegionType, InteriorOnly, NumVertices >::PixelFinder ( RangeSet & ranges, RegionType const & region, int level, size_t maxRanges )

inline

Definition at line 78 of file PixelFinder.h.

                                 :
        _ranges{&ranges},
        _region{&region},
        _level{level},
        _desiredLevel{level},
        _maxRanges{maxRanges == 0 ? maxRanges - 1 : maxRanges}
    {}

Member Function Documentation

visit()

template<typename Derived, typename RegionType, bool InteriorOnly, size_t NumVertices>

void lsst::sphgeom::detail::PixelFinder< Derived, RegionType, InteriorOnly, NumVertices >::visit ( UnitVector3d const * pixel, uint64_t index, int level )

inline

Definition at line 89 of file PixelFinder.h.

    {
        if (level > _level) {
            // Nothing to do - the subdivision level has been reduced
            // or a pixel that completely contains the search region
            // has been found.
            return;
        }
        // Determine the relationship between the pixel and the search region.
        Relationship r = detail::relate(pixel, pixel + NumVertices, *_region);
        if ((r & DISJOINT) != 0) {
            // The pixel is disjoint from the search region.
            return;
        }
        if ((r & WITHIN) != 0) {
            // The tree traversal has reached a pixel that is entirely within
            // the search region.
            _insert(index, level);
            return;
        } else if (level == _level) {
            // The tree traversal has reached a leaf.
            if (!InteriorOnly) {
                _insert(index, level);
            }
            return;
        }
        static_cast<Derived *>(this)->subdivide(pixel, index, level);
    }

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The documentation for this class was generated from the following file:

• /j/snowflake/release/lsstsw/stack/lsst-scipipe-12.0.0/Linux/sphgeom/g00d0e8bbd7+8c5ae1fdc5/src/PixelFinder.h