geoarrow-array 0.8.0

GeoArrow array definitions.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41

use geo_types::{Point, point};
use geoarrow_schema::{CoordType, Dimension, PointType};
use geoarrow_test::raw;

use crate::array::PointArray;
use crate::builder::PointBuilder;

pub(crate) fn p0() -> Point {
    point!(
        x: 0., y: 1.
    )
}

pub(crate) fn p1() -> Point {
    point!(
        x: 1., y: 2.
    )
}

pub(crate) fn p2() -> Point {
    point!(
        x: 2., y: 3.
    )
}

pub(crate) fn point_array(coord_type: CoordType) -> PointArray {
    let geoms = [Some(p0()), Some(p1()), None, Some(p2())];
    let typ = PointType::new(Dimension::XY, Default::default()).with_coord_type(coord_type);
    PointBuilder::from_nullable_points(geoms.iter().map(|x| x.as_ref()), typ).finish()
}

pub fn array(coord_type: CoordType, dim: Dimension) -> PointArray {
    let typ = PointType::new(dim, Default::default()).with_coord_type(coord_type);
    let geoms = match dim {
        Dimension::XY => raw::point::xy::geoms(),
        Dimension::XYZ => raw::point::xyz::geoms(),
        Dimension::XYM => raw::point::xym::geoms(),
        Dimension::XYZM => raw::point::xyzm::geoms(),
    };
    PointBuilder::from_nullable_points(geoms.iter().map(|x| x.as_ref()), typ).finish()
}