cuspatial::multilinestring_range< GeometryIterator, PartIterator, VecIterator > Class Template Reference

Non-owning range-based interface to multilinestring data. More...

Public Types
using	geometry_it_t = GeometryIterator
using	part_it_t = PartIterator
using	point_it_t = VecIterator
using	point_t = iterator_value_type<VecIterator>
using	element_t = iterator_vec_base_type<VecIterator>

Public Member Functions
CUSPATIAL_HOST_DEVICE	multilinestring_range (GeometryIterator geometry_begin, GeometryIterator geometry_end, PartIterator part_begin, PartIterator part_end, VecIterator points_begin, VecIterator points_end)
CUSPATIAL_HOST_DEVICE auto	size ()
	Return the number of multilinestrings in the array.
CUSPATIAL_HOST_DEVICE auto	num_multilinestrings ()
	Return the number of multilinestrings in the array.
CUSPATIAL_HOST_DEVICE auto	num_linestrings ()
	Return the total number of linestrings in the array.
CUSPATIAL_HOST_DEVICE auto	num_points ()
	Return the total number of points in the array.
CUSPATIAL_HOST_DEVICE auto	multilinestring_begin ()
	Return the iterator to the first multilinestring in the range.
CUSPATIAL_HOST_DEVICE auto	multilinestring_end ()
	Return the iterator to the one past the last multilinestring in the range.
CUSPATIAL_HOST_DEVICE auto	begin ()
	Return the iterator to the first multilinestring in the range.
CUSPATIAL_HOST_DEVICE auto	end ()
	Return the iterator to the one past the last multilinestring in the range.
CUSPATIAL_HOST_DEVICE auto	point_begin ()
	Return the iterator to the first point in the range.
CUSPATIAL_HOST_DEVICE auto	point_end ()
	Return the iterator to the one past the last point in the range.
CUSPATIAL_HOST_DEVICE auto	geometry_offset_begin ()
	Return the iterator to the first geometry offset in the range.
CUSPATIAL_HOST_DEVICE auto	geometry_offset_end ()
	Return the iterator to the one past the last geometry offset in the range.
CUSPATIAL_HOST_DEVICE auto	part_offset_begin ()
	Return the iterator to the first part offset in the range.
CUSPATIAL_HOST_DEVICE auto	part_offset_end ()
	Return the iterator to the one past the last part offset in the range.
template<typename IndexType >
CUSPATIAL_HOST_DEVICE auto	part_idx_from_point_idx (IndexType point_idx)
	Given the index of a point, return the part (linestring) index where the point locates.
template<typename IndexType >
CUSPATIAL_HOST_DEVICE thrust::optional< typename thrust::iterator_traits< PartIterator >::difference_type >	part_idx_from_segment_idx (IndexType point_idx)
template<typename IndexType >
CUSPATIAL_HOST_DEVICE auto	geometry_idx_from_part_idx (IndexType part_idx)
template<typename IndexType >
CUSPATIAL_HOST_DEVICE auto	geometry_idx_from_point_idx (IndexType point_idx)
template<typename IndexType >
CUSPATIAL_HOST_DEVICE auto	intra_part_idx (IndexType global_part_idx)
template<typename IndexType >
CUSPATIAL_HOST_DEVICE auto	intra_point_idx (IndexType global_point_idx)
template<typename IndexType1 , typename IndexType2 >
CUSPATIAL_HOST_DEVICE bool	is_valid_segment_id (IndexType1 segment_idx, IndexType2 part_idx)
template<typename IndexType >
CUSPATIAL_HOST_DEVICE auto	segment (IndexType segment_idx)
	Returns the segment given a segment index.
CUSPATIAL_HOST_DEVICE auto	multilinestring_point_count_begin ()
	Returns an iterator to the counts of points per multilinestring.
CUSPATIAL_HOST_DEVICE auto	multilinestring_point_count_end ()
	Returns an iterator to the counts of segments per multilinestring.
CUSPATIAL_HOST_DEVICE auto	multilinestring_linestring_count_begin ()
	Returns an iterator to the counts of points per multilinestring.
CUSPATIAL_HOST_DEVICE auto	multilinestring_linestring_count_end ()
	Returns an iterator to the counts of points per multilinestring.
auto	_segments (rmm::cuda_stream_view)
template<typename IndexType >
CUSPATIAL_HOST_DEVICE auto	operator[] (IndexType multilinestring_idx)
	Returns the multilinestring_idxth multilinestring in the range.
CUSPATIAL_HOST_DEVICE auto	as_multipoint_range ()
	Range Casts.

Protected Attributes
GeometryIterator	_geometry_begin
GeometryIterator	_geometry_end
PartIterator	_part_begin
PartIterator	_part_end
VecIterator	_point_begin
VecIterator	_point_end

Detailed Description

template<typename GeometryIterator, typename PartIterator, typename VecIterator>
class cuspatial::multilinestring_range< GeometryIterator, PartIterator, VecIterator >

Non-owning range-based interface to multilinestring data.

Provides a range-based interface to contiguous storage of multilinestring data, to make it easier to access and iterate over multilinestrings, linestrings and points.

Conforms to GeoArrow's specification of multilinestring: https://github.com/geopandas/geo-arrow-spec/blob/main/format.md

Template Parameters

GeometryIterator	iterator type for the geometry offset array. Must meet the requirements of LegacyRandomAccessIterator.
PartIterator	iterator type for the part offset array. Must meet the requirements of LegacyRandomAccessIterator.
VecIterator	iterator type for the point array. Must meet the requirements of LegacyRandomAccessIterator.

Note

Though this object is host/device compatible, The underlying iterator must be device accessible if used in device kernel.

Definition at line 59 of file multilinestring_range.cuh.

Member Typedef Documentation

element_t

template<typename GeometryIterator , typename PartIterator , typename VecIterator >

using cuspatial::multilinestring_range< GeometryIterator, PartIterator, VecIterator >::element_t = iterator_vec_base_type<VecIterator>

Definition at line 65 of file multilinestring_range.cuh.

geometry_it_t

template<typename GeometryIterator , typename PartIterator , typename VecIterator >

using cuspatial::multilinestring_range< GeometryIterator, PartIterator, VecIterator >::geometry_it_t = GeometryIterator

Definition at line 61 of file multilinestring_range.cuh.

part_it_t

template<typename GeometryIterator , typename PartIterator , typename VecIterator >

using cuspatial::multilinestring_range< GeometryIterator, PartIterator, VecIterator >::part_it_t = PartIterator

Definition at line 62 of file multilinestring_range.cuh.

point_it_t

template<typename GeometryIterator , typename PartIterator , typename VecIterator >

using cuspatial::multilinestring_range< GeometryIterator, PartIterator, VecIterator >::point_it_t = VecIterator

Definition at line 63 of file multilinestring_range.cuh.

point_t

template<typename GeometryIterator , typename PartIterator , typename VecIterator >

using cuspatial::multilinestring_range< GeometryIterator, PartIterator, VecIterator >::point_t = iterator_value_type<VecIterator>

Definition at line 64 of file multilinestring_range.cuh.

Member Function Documentation

as_multipoint_range()

template<typename GeometryIterator , typename PartIterator , typename VecIterator >

CUSPATIAL_HOST_DEVICE auto cuspatial::multilinestring_range< GeometryIterator, PartIterator, VecIterator >::as_multipoint_range

(

)

Range Casts.

Casts the multilinestring range into a multipoint range. This treats each multilinestring as simply a collection of points, ignoring all edges in the multilinestring.

begin()

template<typename GeometryIterator , typename PartIterator , typename VecIterator >

CUSPATIAL_HOST_DEVICE auto cuspatial::multilinestring_range< GeometryIterator, PartIterator, VecIterator >::begin ( )

inline

Return the iterator to the first multilinestring in the range.

Definition at line 93 of file multilinestring_range.cuh.

end()

template<typename GeometryIterator , typename PartIterator , typename VecIterator >

CUSPATIAL_HOST_DEVICE auto cuspatial::multilinestring_range< GeometryIterator, PartIterator, VecIterator >::end ( )

inline

Return the iterator to the one past the last multilinestring in the range.

Definition at line 96 of file multilinestring_range.cuh.

geometry_idx_from_part_idx()

template<typename GeometryIterator , typename PartIterator , typename VecIterator >

template<typename IndexType >

CUSPATIAL_HOST_DEVICE auto cuspatial::multilinestring_range< GeometryIterator, PartIterator, VecIterator >::geometry_idx_from_part_idx

(

IndexType

part_idx

)

Given the index of a part (linestring), return the geometry (multilinestring) index where the linestring locates.

geometry_idx_from_point_idx()

template<typename GeometryIterator , typename PartIterator , typename VecIterator >

template<typename IndexType >

CUSPATIAL_HOST_DEVICE auto cuspatial::multilinestring_range< GeometryIterator, PartIterator, VecIterator >::geometry_idx_from_point_idx

(

IndexType

point_idx

)

Given the index of a point, return the geometry (multilinestring) index where the point locates.

geometry_offset_begin()

template<typename GeometryIterator , typename PartIterator , typename VecIterator >

CUSPATIAL_HOST_DEVICE auto cuspatial::multilinestring_range< GeometryIterator, PartIterator, VecIterator >::geometry_offset_begin ( )

inline

Return the iterator to the first geometry offset in the range.

Definition at line 105 of file multilinestring_range.cuh.

geometry_offset_end()

template<typename GeometryIterator , typename PartIterator , typename VecIterator >

CUSPATIAL_HOST_DEVICE auto cuspatial::multilinestring_range< GeometryIterator, PartIterator, VecIterator >::geometry_offset_end ( )

inline

Return the iterator to the one past the last geometry offset in the range.

Definition at line 108 of file multilinestring_range.cuh.

is_valid_segment_id()

template<typename GeometryIterator , typename PartIterator , typename VecIterator >

template<typename IndexType1 , typename IndexType2 >

CUSPATIAL_HOST_DEVICE bool cuspatial::multilinestring_range< GeometryIterator, PartIterator, VecIterator >::is_valid_segment_id	(	IndexType1	segment_idx,
		IndexType2	part_idx )

Given an index of a segment, returns true if the index is valid. The index of a segment is the same as the index to the starting point of the segment. Thus, the index to the last point of a linestring is an invalid segment index.

part_idx_from_segment_idx()

template<typename GeometryIterator , typename PartIterator , typename VecIterator >

template<typename IndexType >

CUSPATIAL_HOST_DEVICE thrust::optional< typename thrust::iterator_traits< PartIterator >::difference_type > cuspatial::multilinestring_range< GeometryIterator, PartIterator, VecIterator >::part_idx_from_segment_idx

(

IndexType

point_idx

)

Given the index of a segment, return the part (linestring) index where the segment locates. If the segment id is invalid, returns nullopt.

part_offset_begin()

template<typename GeometryIterator , typename PartIterator , typename VecIterator >

CUSPATIAL_HOST_DEVICE auto cuspatial::multilinestring_range< GeometryIterator, PartIterator, VecIterator >::part_offset_begin ( )

inline

Return the iterator to the first part offset in the range.

Definition at line 111 of file multilinestring_range.cuh.

part_offset_end()

template<typename GeometryIterator , typename PartIterator , typename VecIterator >

CUSPATIAL_HOST_DEVICE auto cuspatial::multilinestring_range< GeometryIterator, PartIterator, VecIterator >::part_offset_end ( )

inline

Return the iterator to the one past the last part offset in the range.

Definition at line 114 of file multilinestring_range.cuh.

point_begin()

template<typename GeometryIterator , typename PartIterator , typename VecIterator >

CUSPATIAL_HOST_DEVICE auto cuspatial::multilinestring_range< GeometryIterator, PartIterator, VecIterator >::point_begin ( )

inline

Return the iterator to the first point in the range.

Definition at line 99 of file multilinestring_range.cuh.

point_end()

template<typename GeometryIterator , typename PartIterator , typename VecIterator >

CUSPATIAL_HOST_DEVICE auto cuspatial::multilinestring_range< GeometryIterator, PartIterator, VecIterator >::point_end ( )

inline

Return the iterator to the one past the last point in the range.

Definition at line 102 of file multilinestring_range.cuh.

size()

template<typename GeometryIterator , typename PartIterator , typename VecIterator >

CUSPATIAL_HOST_DEVICE auto cuspatial::multilinestring_range< GeometryIterator, PartIterator, VecIterator >::size ( )

inline

Return the number of multilinestrings in the array.

Definition at line 75 of file multilinestring_range.cuh.

Member Data Documentation

_geometry_begin

template<typename GeometryIterator , typename PartIterator , typename VecIterator >

GeometryIterator cuspatial::multilinestring_range< GeometryIterator, PartIterator, VecIterator >::_geometry_begin

protected

Definition at line 184 of file multilinestring_range.cuh.

_geometry_end

template<typename GeometryIterator , typename PartIterator , typename VecIterator >

GeometryIterator cuspatial::multilinestring_range< GeometryIterator, PartIterator, VecIterator >::_geometry_end

protected

Definition at line 185 of file multilinestring_range.cuh.

_part_begin

template<typename GeometryIterator , typename PartIterator , typename VecIterator >

PartIterator cuspatial::multilinestring_range< GeometryIterator, PartIterator, VecIterator >::_part_begin

protected

Definition at line 186 of file multilinestring_range.cuh.

_part_end

template<typename GeometryIterator , typename PartIterator , typename VecIterator >

PartIterator cuspatial::multilinestring_range< GeometryIterator, PartIterator, VecIterator >::_part_end

protected

Definition at line 187 of file multilinestring_range.cuh.

_point_begin

template<typename GeometryIterator , typename PartIterator , typename VecIterator >

VecIterator cuspatial::multilinestring_range< GeometryIterator, PartIterator, VecIterator >::_point_begin

protected

Definition at line 188 of file multilinestring_range.cuh.

_point_end

template<typename GeometryIterator , typename PartIterator , typename VecIterator >

VecIterator cuspatial::multilinestring_range< GeometryIterator, PartIterator, VecIterator >::_point_end

protected

Definition at line 189 of file multilinestring_range.cuh.

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

• multilinestring_range.cuh