Enum Error 

pub enum Error {
    NonFiniteCoordinate(&'static str),
    TooFewElements {
        geometry: &'static str,
        minimum: usize,
        spec: Option<&'static str>,
        id: Option<Id>,
        message: Option<String>,
    },
    WrongElementCount(&'static str),
    EmptyCollection(&'static str),
    IdenticalPositions,
    AdjacentDuplicatePositions,
    RepeatedClosingVertex,
    InvalidEnvelopeBounds(&'static str),
    TriangulationFailed(&'static str),
}

Errors returned by egml-core operations.

Variants

NonFiniteCoordinate(&'static str)

Returned when a floating-point coordinate is not finite (NaN or ±infinity).

The inner string names the offending coordinate component: "x", "y", or "z". GML requires all coordinate values in a DirectPosition to be real numbers (ISO 19136 §9.4 DirectPositionType).

TooFewElements

Returned when a collection has fewer elements than the minimum required by the GML geometry constraint.

The inner string is a human-readable description of the violated constraint, e.g. "LinearRing requires at least 3 positions (ISO 19136 §10.5.12)".

Fields

geometry: &'static str

minimum: usize

spec: Option<&'static str>

id: Option<Id>

message: Option<String>

WrongElementCount(&'static str)

Returned when a collection contains a number of elements that is not accepted by the operation (e.g. a Triangle not given exactly 3 points).

The inner string describes which collection or argument was invalid.

EmptyCollection(&'static str)

Returned when an operation requires a non-empty input but received an empty one.

The inner string names the offending parameter or context (e.g. "solid", "multi curve").

IdenticalPositions

Returned when a geometry contains two identical positions where all positions must be distinct (e.g. all three vertices of a Triangle must be different, per ISO 19136 §10.5.9).

AdjacentDuplicatePositions

Returned when adjacent positions in a sequence are equal and the geometry type requires all consecutive positions to differ.

Applies to LinearRing (ISO 19136 §10.5.12) and LineString (ISO 19136 §10.4.4).

RepeatedClosingVertex

Returned when the first and last position of a ring are equal.

A gml:LinearRing is implicitly closed: the geometry engine connects the last position back to the first automatically. An explicit repeated closing vertex is therefore redundant and invalid (ISO 19136 §10.5.12).

InvalidEnvelopeBounds(&'static str)

Returned when an Envelope is constructed with a lower corner that is strictly greater than the upper corner in one or more coordinate components.

The inner string names the offending component ("x", "y", or "z"). ISO 19136 §10.1.4 requires lowerCorner ≤ upperCorner in every component.

TriangulationFailed(&'static str)

Returned when the earcut polygon triangulation algorithm produces no triangles.

The inner string provides additional context about the failure (e.g. which polygon or patch could not be decomposed).

Trait Implementations

impl Clone for Error

fn clone(&self) -> Error

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Error

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

Formats the value using the given formatter.

impl Display for Error

fn fmt(&self, __formatter: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Error for Error

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0:

use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.

impl Hash for Error

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for Error

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Eq for Error

impl StructuralPartialEq for Error