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RevolutionSurface

oxiphysics_geometry::parametric::types

Struct RevolutionSurface 

Source 
pub struct RevolutionSurface {
    pub profile: BezierCurve,
    pub sweep_angle: f64,
}
Expand description

A surface of revolution: a profile curve in the XZ plane rotated around the Z axis.

u ∈ [0, 1] sweeps the full 2π revolution (or a fraction thereof), v ∈ [0, 1] traverses the profile curve.

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§profile: BezierCurve

Profile curve (in XZ plane: profile[.][0] = X offset, profile[.][2] = Z height).

§sweep_angle: f64

Total sweep angle in radians (default 2π for a full revolution).

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impl RevolutionSurface

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pub fn new(profile: BezierCurve) -> Self

Create a surface of revolution with a full 2π sweep.

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pub fn with_angle(profile: BezierCurve, sweep_angle: f64) -> Self

Create a surface of revolution with an explicit sweep angle.

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pub fn evaluate(&self, u: f64, v: f64) -> [f64; 3]

Evaluate at (u, v):

  • v selects a point on the profile (r, 0, z),
  • u rotates it by u * sweep_angle around the Z axis.
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pub fn normal(&self, u: f64, v: f64) -> [f64; 3]

Surface normal at (u, v) via finite differences.

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pub fn sample_grid(&self, nu: usize, nv: usize) -> Vec<Vec<[f64; 3]>>

Sample the surface as a nu × nv grid.

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