Geometry.GeometryCollectionZ (Geometry v0.2.0) View Source
A collection set of 3D geometries.
GeometryCollectionZ
implements the protocols Enumerable
and Collectable
.
Examples
iex> Enum.map(
...> GeometryCollectionZ.new([
...> PointZ.new(11, 12, 13),
...> LineStringZ.new([
...> PointZ.new(21, 22, 23),
...> PointZ.new(31, 32, 33)
...> ])
...> ]),
...> fn
...> %PointZ{} -> :point
...> %LineStringZ{} -> :line_string
...> end
...> ) |> Enum.sort()
[:line_string, :point]
iex> Enum.into([PointZ.new(1, 2, 3)], GeometryCollectionZ.new())
%GeometryCollectionZ{
geometries: MapSet.new([%PointZ{coordinate: [1, 2, 3]}])
}
Link to this section Summary
Functions
Returns true
if the given GeometryCollectionZ
is empty.
Returns an :ok
tuple with the GeometryCollectionZ
from the given GeoJSON
term. Otherwise returns an :error
tuple.
The same as from_geo_json/1
, but raises a Geometry.Error
exception if it fails.
Returns an :ok
tuple with the GeometryCollectionZ
from the given WKB
string. Otherwise returns an :error
tuple.
The same as from_wkb/2
, but raises a Geometry.Error
exception if it fails.
Returns an :ok
tuple with the GeometryCollectionZ
from the given WKT
string. Otherwise returns an :error
tuple.
The same as from_wkt/1
, but raises a Geometry.Error
exception if it fails.
Checks if GeometryCollectionZ
contains geometry
.
Creates an empty GeometryCollectionZ
.
Creates an empty GeometryCollectionZ
.
Returns the number of elements in GeometryCollectionZ
.
Returns the GeoJSON term of a GeometryCollectionZ
.
Converts GeometryCollectionZ
to a list.
Returns the WKB representation for a GeometryCollectionZ
.
Returns the WKT representation for a GeometryCollectionZ
. With option
:srid
an EWKT representation with the SRID is returned.
Link to this section Types
Specs
t() :: %Geometry.GeometryCollectionZ{geometries: MapSet.t(Geometry.t())}
Link to this section Functions
Specs
Returns true
if the given GeometryCollectionZ
is empty.
Examples
iex> GeometryCollectionZ.empty?(GeometryCollectionZ.new())
true
iex> GeometryCollectionZ.empty?(GeometryCollectionZ.new([PointZ.new(1, 2, 3)]))
false
Specs
from_geo_json(Geometry.geo_json_term()) :: {:ok, t()} | Geometry.geo_json_error()
Returns an :ok
tuple with the GeometryCollectionZ
from the given GeoJSON
term. Otherwise returns an :error
tuple.
Examples
iex> ~s({
...> "type": "GeometryCollection",
...> "geometries": [
...> {"type": "Point", "coordinates": [1.1, 2.2, 3.3]}
...> ]
...> })
iex> |> Jason.decode!()
iex> |> GeometryCollectionZ.from_geo_json()
{
:ok,
%GeometryCollectionZ{
geometries: MapSet.new([%PointZ{coordinate: [1.1, 2.2, 3.3]}])
}
}
Specs
from_geo_json!(Geometry.geo_json_term()) :: t()
The same as from_geo_json/1
, but raises a Geometry.Error
exception if it fails.
Specs
from_wkb(Geometry.wkb(), Geometry.mode()) :: {:ok, t()} | {:ok, t(), Geometry.srid()} | Geometry.wkb_error()
Returns an :ok
tuple with the GeometryCollectionZ
from the given WKB
string. Otherwise returns an :error
tuple.
If the geometry contains a SRID the id is added to the tuple.
An example of a simpler geometry can be found in the description for the
Geometry.PointZ.from_wkb/2
function.
Specs
from_wkb!(Geometry.wkb(), Geometry.mode()) :: t() | {t(), Geometry.srid()}
The same as from_wkb/2
, but raises a Geometry.Error
exception if it fails.
Specs
from_wkt(Geometry.wkt()) :: {:ok, t()} | {:ok, t(), Geometry.srid()} | Geometry.wkt_error()
Returns an :ok
tuple with the GeometryCollectionZ
from the given WKT
string. Otherwise returns an :error
tuple.
If the geometry contains a SRID the id is added to the tuple.
Examples
iex> GeometryCollectionZ.from_wkt(
...> "GeometryCollection Z (Point Z (1.1 2.2 3.3))")
{
:ok,
%GeometryCollectionZ{
geometries: MapSet.new([%PointZ{coordinate: [1.1, 2.2, 3.3]}])
}
}
iex> GeometryCollectionZ.from_wkt(
...> "SRID=123;GeometryCollection Z (Point Z (1.1 2.2 3.3))")
{
:ok,
%GeometryCollectionZ{
geometries: MapSet.new([%PointZ{coordinate: [1.1, 2.2, 3.3]}])
},
123
}
iex> GeometryCollectionZ.from_wkt("GeometryCollection Z EMPTY")
{:ok, %GeometryCollectionZ{}}
Specs
from_wkt!(Geometry.wkt()) :: t() | {t(), Geometry.srid()}
The same as from_wkt/1
, but raises a Geometry.Error
exception if it fails.
Specs
member?(t(), Geometry.t()) :: boolean()
Checks if GeometryCollectionZ
contains geometry
.
Examples
iex> GeometryCollectionZ.member?(
...> GeometryCollectionZ.new([
...> PointZ.new(11, 12, 13),
...> LineStringZ.new([
...> PointZ.new(21, 22, 23),
...> PointZ.new(31, 32, 33)
...> ])
...> ]),
...> PointZ.new(11, 12, 13)
...> )
true
iex> GeometryCollectionZ.member?(
...> GeometryCollectionZ.new([
...> PointZ.new(11, 12, 13),
...> LineStringZ.new([
...> PointZ.new(21, 22, 23),
...> PointZ.new(31, 32, 33)
...> ])
...> ]),
...> PointZ.new(1, 2, 3)
...> )
false
Specs
new() :: t()
Creates an empty GeometryCollectionZ
.
Examples
iex> GeometryCollectionZ.new()
%GeometryCollectionZ{geometries: MapSet.new()}
Specs
new([Geometry.t()]) :: t()
Creates an empty GeometryCollectionZ
.
Examples
iex> GeometryCollectionZ.new([
...> PointZ.new(1, 2, 3),
...> LineStringZ.new([PointZ.new(1, 1, 1), PointZ.new(2, 2, 2)])
...> ])
%GeometryCollectionZ{geometries: MapSet.new([
%PointZ{coordinate: [1, 2, 3]},
%LineStringZ{points: [[1, 1, 1], [2, 2, 2]]}
])}
Specs
size(t()) :: non_neg_integer()
Returns the number of elements in GeometryCollectionZ
.
Examples
iex> GeometryCollectionZ.size(
...> GeometryCollectionZ.new([
...> PointZ.new(11, 12, 13),
...> LineStringZ.new([
...> PointZ.new(21, 22, 23),
...> PointZ.new(31, 32, 33)
...> ])
...> ])
...> )
2
Specs
to_geo_json(t()) :: Geometry.geo_json_term()
Returns the GeoJSON term of a GeometryCollectionZ
.
Examples
iex> GeometryCollectionZ.to_geo_json(
...> GeometryCollectionZ.new([PointZ.new(1.1, 2.2, 3.3)]))
%{
"type" => "GeometryCollection",
"geometries" => [
%{
"type" => "Point",
"coordinates" => [1.1, 2.2, 3.3]
}
]
}
Specs
to_list(t()) :: [Geometry.t()]
Converts GeometryCollectionZ
to a list.
Examples
iex> GeometryCollectionZ.to_list(
...> GeometryCollectionZ.new([
...> PointZ.new(11, 12, 13)
...> ])
...> )
[%PointZ{coordinate: [11, 12, 13]}]
Specs
to_wkb(t(), opts) :: Geometry.wkb() when opts: [endian: Geometry.endian(), srid: Geometry.srid()]
Returns the WKB representation for a GeometryCollectionZ
.
With option :srid
an EWKB representation with the SRID is returned.
The option endian
indicates whether :xdr
big endian or :ndr
little
endian is returned. The default is :ndr
.
The :mode
determines whether a hex-string or binary is returned. The default
is :binary
.
An example of a simpler geometry can be found in the description for the
Geometry.PointZ.to_wkb/1
function.
Specs
to_wkt(t(), opts) :: Geometry.wkt() when opts: [{:srid, Geometry.srid()}]
Returns the WKT representation for a GeometryCollectionZ
. With option
:srid
an EWKT representation with the SRID is returned.
Examples
iex> GeometryCollectionZ.to_wkt(GeometryCollectionZ.new())
"GeometryCollection Z EMPTY"
iex> GeometryCollectionZ.to_wkt(
...> GeometryCollectionZ.new([
...> PointZ.new(1.1, 1.2, 1.3),
...> PointZ.new(2.1, 2.2, 2.3)
...> ])
...> )
"GeometryCollection Z (Point Z (1.1 1.2 1.3), Point Z (2.1 2.2 2.3))"
iex> GeometryCollectionZ.to_wkt(
...> GeometryCollectionZ.new([PointZ.new(1.1, 2.2, 3.3)]),
...> srid: 4711)
"SRID=4711;GeometryCollection Z (Point Z (1.1 2.2 3.3))"