lsst.sphgeom gb35d6563ee+62d12e78cb
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#include <CompoundRegion.h>
Public Member Functions | |
CompoundRegion (Region const &first, Region const &second) | |
Construct by copying or taking ownership of operands. | |
CompoundRegion (std::array< std::unique_ptr< Region >, 2 > operands) noexcept | |
CompoundRegion (CompoundRegion const &) | |
CompoundRegion (CompoundRegion &&) noexcept=default | |
CompoundRegion & | operator= (CompoundRegion const &)=delete |
CompoundRegion & | operator= (CompoundRegion &&)=delete |
Region const & | getOperand (std::size_t n) const |
virtual Relationship | relate (Region const &r) const =0 |
Relationship | relate (Box const &b) const override |
Relationship | relate (Circle const &c) const override |
Relationship | relate (ConvexPolygon const &p) const override |
Relationship | relate (Ellipse const &e) const override |
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virtual std::unique_ptr< Region > | clone () const =0 |
clone returns a deep copy of this region. More... | |
virtual Box | getBoundingBox () const =0 |
getBoundingBox returns a bounding-box for this region. More... | |
virtual Box3d | getBoundingBox3d () const =0 |
getBoundingBox3d returns a 3-dimensional bounding-box for this region. More... | |
virtual Circle | getBoundingCircle () const =0 |
getBoundingCircle returns a bounding-circle for this region. More... | |
virtual bool | contains (UnitVector3d const &) const =0 |
contains tests whether the given unit vector is inside this region. More... | |
bool | contains (double x, double y, double z) const |
bool | contains (double lon, double lat) const |
virtual std::vector< uint8_t > | encode () const =0 |
Static Public Member Functions | |
static std::unique_ptr< CompoundRegion > | decode (std::vector< uint8_t > const &s) |
static std::unique_ptr< CompoundRegion > | decode (uint8_t const *buffer, size_t n) |
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static std::unique_ptr< Region > | decode (std::vector< uint8_t > const &s) |
static std::unique_ptr< Region > | decode (uint8_t const *buffer, size_t n) |
Protected Member Functions | |
std::vector< std::uint8_t > | _encode (std::uint8_t tc) const |
Static Protected Member Functions | |
static std::array< std::unique_ptr< Region >, 2 > | _decode (std::uint8_t tc, std::uint8_t const *buffer, std::size_t nBytes) |
CompoundRegion is an intermediate base class for spherical regions that are comprised of a point-set operation on other nested regions.
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inlinestatic |
decode
deserializes a CompoundRegion from a byte string produced by encode.
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overridevirtual |
Implements lsst::sphgeom::Region.
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overridevirtual |
Implements lsst::sphgeom::Region.
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overridevirtual |
Implements lsst::sphgeom::Region.
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overridevirtual |
Implements lsst::sphgeom::Region.
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pure virtual |
relate
computes the spatial relationships between this region A and another region B. The return value S is a bitset with the following properties:
S & DISJOINT
is set only if A and B do not have any points in common.S & CONTAINS
is set only if A contains all points in B.S & WITHIN
is set only if B contains all points in A.Said another way: if the CONTAINS, WITHIN or DISJOINT bit is set, then the corresponding spatial relationship between the two regions holds conclusively. If it is not set, the relationship may or may not hold.
These semantics allow for conservative relationship computations. In particular, a Region may choose to implement relate
by replacing itself and/or the argument with a simplified bounding region.
Implements lsst::sphgeom::Region.
Implemented in lsst::sphgeom::UnionRegion, and lsst::sphgeom::IntersectionRegion.