Struct geozero::geojson::GeoJsonWriter

pub struct GeoJsonWriter<W: Write> { /* private fields */ }

GeoJSON writer.

Implementations

impl<W: Write> GeoJsonWriter<W>

pub fn new(out: W) -> Self

pub fn with_dims(out: W, dims: CoordDimensions) -> Self

Trait Implementations

impl<W: Write> FeatureProcessor for GeoJsonWriter<W>

fn dataset_begin(&mut self, name: Option<&str>) -> Result<()>

Begin of dataset processing

fn dataset_end(&mut self) -> Result<()>

End of dataset processing

fn feature_begin(&mut self, idx: u64) -> Result<()>

Begin of feature processing

fn feature_end(&mut self, _idx: u64) -> Result<()>

End of feature processing

fn properties_begin(&mut self) -> Result<()>

Begin of feature property processing

fn properties_end(&mut self) -> Result<()>

End of feature property processing

fn geometry_begin(&mut self) -> Result<()>

Begin of feature geometry processing

fn geometry_end(&mut self) -> Result<()>

End of feature geometry processing

impl<W: Write> GeomProcessor for GeoJsonWriter<W>

fn dimensions(&self) -> CoordDimensions

Additional dimensions requested when processing coordinates

fn xy(&mut self, x: f64, y: f64, idx: usize) -> Result<()>

Process coordinate with x,y dimensions

fn coordinate( &mut self, x: f64, y: f64, z: Option<f64>, _m: Option<f64>, _t: Option<f64>, _tm: Option<u64>, idx: usize ) -> Result<()>

Process coordinate with all requested dimensions

fn empty_point(&mut self, idx: usize) -> Result<()>

Process empty coordinates, like WKT’s POINT EMPTY

fn point_begin(&mut self, idx: usize) -> Result<()>

Begin of Point processing

fn point_end(&mut self, _idx: usize) -> Result<()>

End of Point processing

fn multipoint_begin(&mut self, _size: usize, idx: usize) -> Result<()>

Begin of MultiPoint processing

fn multipoint_end(&mut self, _idx: usize) -> Result<()>

End of MultiPoint processing

fn linestring_begin( &mut self, tagged: bool, _size: usize, idx: usize ) -> Result<()>

Begin of LineString processing

fn linestring_end(&mut self, tagged: bool, _idx: usize) -> Result<()>

End of LineString processing

fn multilinestring_begin(&mut self, _size: usize, idx: usize) -> Result<()>

Begin of MultiLineString processing

fn multilinestring_end(&mut self, _idx: usize) -> Result<()>

End of MultiLineString processing

fn polygon_begin( &mut self, tagged: bool, _size: usize, idx: usize ) -> Result<()>

Begin of Polygon processing

fn polygon_end(&mut self, tagged: bool, _idx: usize) -> Result<()>

End of Polygon processing

fn multipolygon_begin(&mut self, _size: usize, idx: usize) -> Result<()>

Begin of MultiPolygon processing

fn multipolygon_end(&mut self, _idx: usize) -> Result<()>

End of MultiPolygon processing

fn geometrycollection_begin(&mut self, _size: usize, idx: usize) -> Result<()>

Begin of GeometryCollection processing

fn geometrycollection_end(&mut self, _idx: usize) -> Result<()>

End of GeometryCollection processing

fn multi_dim(&self) -> bool

Request additional dimensions for coordinate processing

fn srid(&mut self, srid: Option<i32>) -> Result<()>

SRID of geometries

fn circularstring_begin(&mut self, size: usize, idx: usize) -> Result<()>

Begin of CircularString processing

fn circularstring_end(&mut self, idx: usize) -> Result<()>

End of CircularString processing

fn compoundcurve_begin(&mut self, size: usize, idx: usize) -> Result<()>

Begin of CompoundCurve processing

fn compoundcurve_end(&mut self, idx: usize) -> Result<()>

End of CompoundCurve processing

fn curvepolygon_begin(&mut self, size: usize, idx: usize) -> Result<()>

Begin of CurvePolygon processing

fn curvepolygon_end(&mut self, idx: usize) -> Result<()>

End of CurvePolygon processing

fn multicurve_begin(&mut self, size: usize, idx: usize) -> Result<()>

Begin of MultiCurve processing

fn multicurve_end(&mut self, idx: usize) -> Result<()>

End of MultiCurve processing

fn multisurface_begin(&mut self, size: usize, idx: usize) -> Result<()>

Begin of MultiSurface processing

fn multisurface_end(&mut self, idx: usize) -> Result<()>

End of MultiSurface processing

fn triangle_begin( &mut self, tagged: bool, size: usize, idx: usize ) -> Result<()>

Begin of Triangle processing

fn triangle_end(&mut self, tagged: bool, idx: usize) -> Result<()>

End of Triangle processing

fn polyhedralsurface_begin(&mut self, size: usize, idx: usize) -> Result<()>

Begin of PolyhedralSurface processing

fn polyhedralsurface_end(&mut self, idx: usize) -> Result<()>

End of PolyhedralSurface processing

fn tin_begin(&mut self, size: usize, idx: usize) -> Result<()>

Begin of Tin processing

fn tin_end(&mut self, idx: usize) -> Result<()>

End of Tin processing

impl<W: Write> PropertyProcessor for GeoJsonWriter<W>

fn property( &mut self, i: usize, colname: &str, colval: &ColumnValue<'_> ) -> Result<bool>

Process property value. Abort processing, if return value is true.