fast-mvt 0.6.0

Fast Mapbox Vector Tile (MVT) reader and writer
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

mod feature;
mod layer;
mod property;
mod tile;

pub use feature::MvtFeatureRef;
pub use layer::MvtLayerRef;
pub use property::{MvtPropertyIter, MvtValueRef};
pub use tile::MvtReaderRef;

#[cfg(test)]
mod tests {
    use buffa::Message as _;

    use super::{MvtFeatureRef, MvtReaderRef};
    use crate::generated::vector_tile::{Tile, tile as proto_tile};

    /// Encodes a single-layer tile. Tests keep the returned bytes alive and
    /// borrow a [`MvtReaderRef`] from them, so nothing needs to be leaked.
    pub fn encode_layer(layer: proto_tile::Layer) -> Vec<u8> {
        Tile {
            layers: vec![layer],
        }
        .encode_to_vec()
    }

    /// The first feature of the first layer, for tests that only need one.
    pub fn first_feature<'r>(reader: &'r MvtReaderRef<'_>) -> MvtFeatureRef<'r> {
        reader.layers().next().unwrap().features().next().unwrap()
    }
}