Struct elephantry::Polygon
source · pub struct Polygon(/* private fields */);
geo
only.Expand description
Rust type for polygon.
Implementations§
Methods from Deref<Target = Polygon<f64>>§
sourcepub fn exterior(&self) -> &LineString<T>
pub fn exterior(&self) -> &LineString<T>
Return a reference to the exterior LineString
ring.
§Examples
use geo_types::{LineString, Polygon};
let exterior = LineString::from(vec![(0., 0.), (1., 1.), (1., 0.), (0., 0.)]);
let polygon = Polygon::new(exterior.clone(), vec![]);
assert_eq!(polygon.exterior(), &exterior);
sourcepub fn interiors(&self) -> &[LineString<T>]
pub fn interiors(&self) -> &[LineString<T>]
Return a slice of the interior LineString
rings.
§Examples
use geo_types::{coord, LineString, Polygon};
let interiors = vec![LineString::from(vec![
(0.1, 0.1),
(0.9, 0.9),
(0.9, 0.1),
(0.1, 0.1),
])];
let polygon = Polygon::new(
LineString::from(vec![(0., 0.), (1., 1.), (1., 0.), (0., 0.)]),
interiors.clone(),
);
assert_eq!(interiors, polygon.interiors());
sourcepub fn num_rings(&self) -> usize
pub fn num_rings(&self) -> usize
Count the total number of rings (interior and exterior) in the polygon
§Examples
use geo_types::{coord, LineString, Polygon};
let polygon = Polygon::new(
LineString::from(vec![(0., 0.), (1., 1.), (1., 0.), (0., 0.)]),
vec![],
);
assert_eq!(polygon.num_rings(), 1);
let polygon = Polygon::new(
LineString::from(vec![(0., 0.), (1., 1.), (1., 0.), (0., 0.)]),
vec![LineString::from(vec![(0.1, 0.1), (0.9, 0.9), (0.9, 0.1)])],
);
assert_eq!(polygon.num_rings(), 2);
sourcepub fn num_interior_rings(&self) -> usize
pub fn num_interior_rings(&self) -> usize
Count the number of interior rings in the polygon
§Examples
use geo_types::{coord, LineString, Polygon};
let polygon = Polygon::new(
LineString::from(vec![(0., 0.), (1., 1.), (1., 0.), (0., 0.)]),
vec![],
);
assert_eq!(polygon.num_interior_rings(), 0);
let polygon = Polygon::new(
LineString::from(vec![(0., 0.), (1., 1.), (1., 0.), (0., 0.)]),
vec![LineString::from(vec![(0.1, 0.1), (0.9, 0.9), (0.9, 0.1)])],
);
assert_eq!(polygon.num_interior_rings(), 1);
Trait Implementations§
source§impl<'a> Arbitrary<'a> for Polygon
impl<'a> Arbitrary<'a> for Polygon
source§fn arbitrary(u: &mut Unstructured<'a>) -> Result<Self>
fn arbitrary(u: &mut Unstructured<'a>) -> Result<Self>
Self
from the given unstructured data. Read moresource§fn arbitrary_take_rest(u: Unstructured<'a>) -> Result<Self, Error>
fn arbitrary_take_rest(u: Unstructured<'a>) -> Result<Self, Error>
Self
from the entirety of the given
unstructured data. Read moresource§impl FromSql for Polygon
impl FromSql for Polygon
source§fn from_text(ty: &Type, raw: Option<&str>) -> Result<Self>
fn from_text(ty: &Type, raw: Option<&str>) -> Result<Self>
source§fn from_binary(_: &Type, raw: Option<&[u8]>) -> Result<Self>
fn from_binary(_: &Type, raw: Option<&[u8]>) -> Result<Self>
source§fn from_sql(ty: &Type, format: Format, raw: Option<&[u8]>) -> Result<Self>
fn from_sql(ty: &Type, format: Format, raw: Option<&[u8]>) -> Result<Self>
fn error<T: Debug>(pg_type: &Type, raw: T) -> Error
source§impl PartialEq for Polygon
impl PartialEq for Polygon
impl Simple for Polygon
impl StructuralPartialEq for Polygon
Auto Trait Implementations§
impl Freeze for Polygon
impl RefUnwindSafe for Polygon
impl Send for Polygon
impl Sync for Polygon
impl Unpin for Polygon
impl UnwindSafe for Polygon
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
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fn borrow_mut(&mut self) -> &mut T
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impl<T> Instrument for T
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fn instrument(self, span: Span) -> Instrumented<Self>
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fn in_current_span(self) -> Instrumented<Self>
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impl<T> IntoCollection<T> for T
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T: ?Sized,
impl<T> Paint for Twhere
T: ?Sized,
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