Struct Tolerance 

pub struct Tolerance {
    pub point_eps: f64,
    pub distance_eps: f64,
    pub area_eps: f64,
    pub angle_eps: f64,
    pub sample_eps: f64,
}

Named epsilons. Lengths are in model units.

Fields

point_eps: f64

Point equality.

distance_eps: f64

Geometric distance comparisons (contact heights, offsets, clipping).

area_eps: f64

Zero-area loop/triangle checks.

angle_eps: f64

Dot/cross comparisons (unitless).

sample_eps: f64

Minimum accepted span/sample distance.

Implementations

impl Tolerance

pub const REFERENCE_DIAGONAL: f64 = 1000.0

Bounding-box diagonal the defaults are tuned for (a part about a metre across).

pub const MAX_SCALE: f64 = 1e3

Scale factor clamp: tolerances never move more than this far from the defaults.

pub fn scaled_for_diagonal(diagonal: f64) -> Self

Defaults scaled for a model whose bounding-box diagonal is diagonal. Length epsilons scale linearly, the area epsilon quadratically, the angle epsilon not at all. A non-positive or non-finite diagonal yields the defaults.

pub fn validate(&self) -> Result<(), NumericError>

Every epsilon finite and positive.

pub fn points_equal(&self, a: Point3, b: Point3) -> bool

pub fn distances_equal(&self, a: f64, b: f64) -> bool

pub fn distance_less(&self, a: f64, b: f64) -> bool

a is below b by more than the distance epsilon.

pub fn is_zero_area(&self, area: f64) -> bool

pub fn parallel(&self, a: Point3, b: Point3) -> bool

Two unit vectors are parallel (same or opposite sense).

pub fn perpendicular(&self, a: Point3, b: Point3) -> bool

Two unit vectors are perpendicular.

pub fn is_vertical(&self, dir: Point3) -> bool

A unit direction is vertical (along ±Z) within the angle epsilon.

pub fn is_horizontal(&self, dir: Point3) -> bool

A unit direction is horizontal (perpendicular to Z) within the angle epsilon.

pub fn span_too_short(&self, length: f64) -> bool

A span shorter than the sample epsilon is not worth a sample.

Trait Implementations

impl Clone for Tolerance

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for Tolerance

impl Debug for Tolerance

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

Formats the value using the given formatter.

impl Default for Tolerance

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for Tolerance

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl PartialEq for Tolerance

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

Equality operator ==.

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

Inequality operator !=.

impl Serialize for Tolerance

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for Tolerance