Struct shapefile::record::multipatch::Multipatch

pub struct Multipatch {
    pub bbox: BBox,
    pub points: Vec<PointZ>,
    pub parts: Vec<i32>,
    pub parts_type: Vec<PatchType>,
    pub z_range: [f64; 2],
    pub m_range: [f64; 2],
}

Following things are important with Multipatch shape:

1. Ring types must be closed
2. InnerRings must follow their OuterRings
3. Parts must not intersects or penetrate each others

Fields

bbox: BBox

points: Vec<PointZ>

parts: Vec<i32>

parts_type: Vec<PatchType>

z_range: [f64; 2]

m_range: [f64; 2]

Methods

impl Multipatch

pub fn new(points: Vec<PointZ>, part_type: PatchType) -> Self

Examples

Creating a Multipatch with one outer ring, The constructor closes rings

use shapefile::{PointZ, Multipatch, NO_DATA, PatchType};
let points = vec![
    PointZ::new(0.0, 0.0, 0.0, NO_DATA),
    PointZ::new(0.0, 1.0, 0.0, NO_DATA),
    PointZ::new(1.0, 0.0, 0.0, NO_DATA),
];
let multip = Multipatch::new(points, PatchType::OuterRing);

// The polygon gets closed 'explicitly'
assert_eq!(multip.points.len(), 4);
assert_eq!(multip.points.last(), multip.points.first());

pub fn with_parts(parts_points: Vec<(Vec<PointZ>, PatchType)>) -> Self

pub fn empty() -> Self

Trait Implementations

impl Clone for Multipatch

fn clone(&self) -> Multipatch

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl ConcreteReadableShape for Multipatch

fn read_shape_content<T: Read>(
    source: &mut T,
    record_size: i32
) -> Result<Self, Error>

Function that actually reads the ActualShape from the source and returns it

impl ConcreteShape for Multipatch

impl Debug for Multipatch

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Display for Multipatch

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl EsriShape for Multipatch

fn bbox(&self) -> BBox

fn z_range(&self) -> [f64; 2]

Should return the Z range of this shape (maybe require computing it)

fn m_range(&self) -> [f64; 2]

Should return the M range of this shape (maybe require computing it)

impl From<MultiPolygon<f64>> for Multipatch

fn from(multi_polygon: MultiPolygon<f64>) -> Self

Performs the conversion.

impl From<Multipatch> for Shape

fn from(concrete: Multipatch) -> Self

Performs the conversion.

impl From<Polygon<f64>> for Multipatch

fn from(polygon: Polygon<f64>) -> Self

Performs the conversion.

impl HasShapeType for Multipatch

fn shapetype() -> ShapeType

Returns the ShapeType

impl MultipartShape<PointZ> for Multipatch

fn parts_indices(&self) -> &[i32]

Returns a non mutable slice of the parts as written in the file:

fn part(&self, index: usize) -> Option<&[PointType]>

Returns the slice of points corresponding to part n°ìndex if the shape actually has multiple parts

Important traits for PartIterator<'a, PointType, Shape>

impl<'a, PointType, Shape> Iterator for PartIterator<'a, PointType, Shape> where
    PointType: 'a,
    Shape: 'a + MultipartShape<PointType>,  type Item = &'a [PointType];

fn parts(&self) -> PartIterator<PointType, Self>

Returns an iterator over the parts of a MultipartShape

impl MultipointShape<PointZ> for Multipatch

fn point<I: SliceIndex<[PointZ]>>(
    &self,
    index: I
) -> Option<&<I as SliceIndex<[PointZ]>>::Output>

fn points(&self) -> &[PointZ]

Returns a non mutable slice to the points

impl PartialEq<Multipatch> for Multipatch

fn eq(&self, other: &Multipatch) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Multipatch) -> bool

This method tests for !=.

impl StructuralPartialEq for Multipatch

impl TryFrom<Multipatch> for MultiPolygon<f64>

Converts a Multipatch to Multipolygon

For simplicity,reasons, Triangle Fan & Triangle Strip are considered to be valid polygons When the individual types of rings in a collection of rings representing a polygonal patch with holes are unknown, the sequence must start with First Ring, followed by a number of Rings. A sequence of Rings not preceded by an First Ring is treated as a sequence of Outer Rings without holes.

type Error = Error

The type returned in the event of a conversion error.

fn try_from(mp: Multipatch) -> Result<Self, Self::Error>

Performs the conversion.

impl TryFrom<Shape> for Multipatch

type Error = Error

The type returned in the event of a conversion error.

fn try_from(shape: Shape) -> Result<Self, Self::Error>

Performs the conversion.

impl WritableShape for Multipatch

fn size_in_bytes(&self) -> usize

Returns the size in bytes that the Shapes will take once written. Does not include the shapetype

fn write_to<T: Write>(self, dest: &mut T) -> Result<(), Error>

Writes the shape to the dest