Struct ControlGrid 

pub struct ControlGrid<P> { /* private fields */ }

A rectangular grid of control points for a tensor-product surface.

Stored row-major: points[i * v_count + j] is the point at u index i and v index j. Carrying the shape with the data means the surface functions cannot be handed a grid with the wrong stride, which is the mistake that otherwise produces a plausible but transposed surface.

Implementations

impl<P: Blend> ControlGrid<P>

pub fn new(points: Vec<P>, u_count: usize, v_count: usize) -> OgeomResult<Self>

A grid from row-major points.

Errors

OgeomError::Dimension if the point count is not u_count * v_count, or either count is zero.

pub const fn u_count(&self) -> usize

Number of control points along u.

pub const fn v_count(&self) -> usize

Number of control points along v.

pub fn get(&self, i: usize, j: usize) -> Option<P>

The point at (i, j), or None if either index is out of range.

pub fn points(&self) -> &[P]

All points, row-major.

pub fn transposed(&self) -> Self

This grid with u and v exchanged.

pub fn map<Q: Blend>(&self, f: impl Fn(P) -> Q) -> ControlGrid<Q>

Apply f to every point.

Trait Implementations

impl<P: Clone> Clone for ControlGrid<P>

fn clone(&self) -> ControlGrid<P>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<P: Debug> Debug for ControlGrid<P>

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

Formats the value using the given formatter.

impl<P: PartialEq> PartialEq for ControlGrid<P>

fn eq(&self, other: &ControlGrid<P>) -> 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<P: PartialEq> StructuralPartialEq for ControlGrid<P>