NurbsCurve

3D NURBS curves. Wire: NurbsCurve JSON string. fromSubpath takes a plane chain JSON (untagged segment bag at the wasm door; prefer PolyCurve2d / Path2d at TS call sites).

import { NurbsCurve } from '@huukhanhnguyen/geometry'

API reference

`NurbsCurve.axesAtParam`

NurbsCurve.axesAtParam(curve_json: string, t: number): Float64Array

Wasm: curve_axes_at_param

`NurbsCurve.boundingBox`

NurbsCurve.boundingBox(curve_json: string): Float64Array

Wasm: curve_bounding_box

`NurbsCurve.chamfer`

NurbsCurve.chamfer(curve_json: string, distance1: number, distance2: number, use_indices: boolean, vertex_indices: Uint32Array): string

Wasm: curve_chamfer

`NurbsCurve.circle`

NurbsCurve.circle(cx: number, cy: number, cz: number, radius: number, nx: number, ny: number, nz: number): string

Wasm: curve_circle

`NurbsCurve.closestPoint`

NurbsCurve.closestPoint(curve_json: string, x: number, y: number, z: number): Float64Array

Wasm: curve_closest_point

`NurbsCurve.cubicBezier`

NurbsCurve.cubicBezier(p0x: number, p0y: number, p0z: number, p1x: number, p1y: number, p1z: number, p2x: number, p2y: number, p2z: number, p3x: number, p3y: number, p3z: number): string

Wasm: curve_cubic_bezier

`NurbsCurve.ellipse`

NurbsCurve.ellipse(cx: number, cy: number, cz: number, xx: number, xy: number, xz: number, yx: number, yy: number, yz: number): string

Wasm: curve_ellipse

`NurbsCurve.ellipseArc`

NurbsCurve.ellipseArc(cx: number, cy: number, cz: number, xx: number, xy: number, xz: number, yx: number, yy: number, yz: number, start_angle: number, end_angle: number): string

Wasm: curve_ellipse_arc

`NurbsCurve.endPoint`

NurbsCurve.endPoint(curve_json: string): Float64Array

Wasm: curve_end_point

`NurbsCurve.fillet`

NurbsCurve.fillet(curve_json: string, radius: number, use_indices: boolean, vertex_indices: Uint32Array, degenerate_angle_tol: number): string

Wasm: curve_fillet

`NurbsCurve.fromPath`

NurbsCurve.fromPath(path_json: string): string

Wasm: curve_from_path

`NurbsCurve.fromSubpath`

NurbsCurve.fromSubpath(shape_json: string): string

Wasm: curve_from_subpath

`NurbsCurve.geometryToNurbs`

NurbsCurve.geometryToNurbs(geometry_json: string): string

Wasm: curve_geometry_to_nurbs

`NurbsCurve.helix`

NurbsCurve.helix(ox: number, oy: number, oz: number, ax: number, ay: number, az: number, radius: number, pitch: number, turns: number, segments_per_turn: number, clockwise: boolean): string

Wasm: curve_helix

`NurbsCurve.isClosed`

NurbsCurve.isClosed(curve_json: string): boolean

Wasm: curve_is_closed

`NurbsCurve.join`

NurbsCurve.join(curves_json: string): string

Wasm: curve_join

`NurbsCurve.length`

NurbsCurve.length(curve_json: string): number

Wasm: curve_length

`NurbsCurve.lengthAt`

NurbsCurve.lengthAt(curve_json: string, t: number): number

Wasm: curve_length_at

`NurbsCurve.line`

NurbsCurve.line(sx: number, sy: number, sz: number, ex: number, ey: number, ez: number): string

Wasm: curve_line

`NurbsCurve.nurbsToWire`

NurbsCurve.nurbsToWire(nurbs_json: string): string

Wasm: curve_nurbs_to_wire

`NurbsCurve.offset`

NurbsCurve.offset(curve_json: string, distance: number, direction_x: number, direction_y: number, direction_z: number, tolerance: number): string

Wasm: curve_offset

`NurbsCurve.overcut`

NurbsCurve.overcut(curve_json: string, radius: number, overcut_type: string, reduction: number, use_indices: boolean, vertex_indices: Uint32Array, degenerate_angle_tol: number): string

Wasm: curve_overcut

`NurbsCurve.paramAtLength`

NurbsCurve.paramAtLength(curve_json: string, length: number): number

Wasm: curve_param_at_length

`NurbsCurve.paramToKnot`

NurbsCurve.paramToKnot(curve_json: string, t: number): number

Wasm: curve_param_to_knot

`NurbsCurve.pointAt`

NurbsCurve.pointAt(curve_json: string, t: number): Float64Array

Wasm: curve_point_at

`NurbsCurve.polyline`

NurbsCurve.polyline(points: Float64Array, closed: boolean): string

Wasm: curve_polyline

`NurbsCurve.project`

NurbsCurve.project(curve_json: string, plane_point_x: number, plane_point_y: number, plane_point_z: number, plane_normal_x: number, plane_normal_y: number, plane_normal_z: number): string

Wasm: curve_project

`NurbsCurve.quadraticBezier`

NurbsCurve.quadraticBezier(p0x: number, p0y: number, p0z: number, p1x: number, p1y: number, p1z: number, p2x: number, p2y: number, p2z: number): string

Wasm: curve_quadratic_bezier

`NurbsCurve.reverse`

NurbsCurve.reverse(curve_json: string): string

Wasm: curve_reverse

`NurbsCurve.spline`

NurbsCurve.spline(points: Float64Array, degree: number): string

Wasm: curve_spline

`NurbsCurve.splitAt`

NurbsCurve.splitAt(curve_json: string, t: number): string

Wasm: curve_split_at

`NurbsCurve.startPoint`

NurbsCurve.startPoint(curve_json: string): Float64Array

Wasm: curve_start_point

`NurbsCurve.sweepFrameAt`

NurbsCurve.sweepFrameAt(curve_json: string, u: number, smooth_iter: number): Float64Array

Wasm: curve_sweep_frame_at

`NurbsCurve.sweepFrameIsDiscrete`

NurbsCurve.sweepFrameIsDiscrete(curve_json: string, smooth_iter: number): boolean

Wasm: curve_sweep_frame_is_discrete

`NurbsCurve.tangentAt`

NurbsCurve.tangentAt(curve_json: string, t: number): Float64Array

Wasm: curve_tangent_at

`NurbsCurve.tessellate`

NurbsCurve.tessellate(curve_json: string, tolerance: number): Float64Array

Wasm: curve_tessellate

`NurbsCurve.toSvgPathData`

NurbsCurve.toSvgPathData(curve_json: string): string

Wasm: curve_to_svg_path_data

`NurbsCurve.transform`

NurbsCurve.transform(curve_json: string, elements: Float64Array): string

Wasm: curve_transform

`NurbsCurve.validationError`

NurbsCurve.validationError(curve_json: string): string | undefined

Wasm: curve_validation_error

`NurbsCurve.wireFromPoints`

NurbsCurve.wireFromPoints(points: Float64Array, closed: boolean): string

Wasm: curve_wire_from_points

See GEOMETRY_CATALOG.md for catalog ownership.

Last updated: August 16, 2026📖 1 min readEdit on GitHub

NurbsCurve#

API reference#

NurbsCurve.axesAtParam#

NurbsCurve.boundingBox#

NurbsCurve.chamfer#

NurbsCurve.circle#

NurbsCurve.closestPoint#

NurbsCurve.cubicBezier#

NurbsCurve.ellipse#

NurbsCurve.ellipseArc#

NurbsCurve.endPoint#

NurbsCurve.fillet#

NurbsCurve.fromPath#

NurbsCurve.fromSubpath#

NurbsCurve.geometryToNurbs#

NurbsCurve.helix#

NurbsCurve.isClosed#

NurbsCurve.join#

NurbsCurve.length#

NurbsCurve.lengthAt#

NurbsCurve.line#

NurbsCurve.nurbsToWire#

NurbsCurve.offset#

NurbsCurve.overcut#

NurbsCurve.paramAtLength#

NurbsCurve.paramToKnot#

NurbsCurve.pointAt#

NurbsCurve.polyline#

NurbsCurve.project#

NurbsCurve.quadraticBezier#

NurbsCurve.reverse#

NurbsCurve.spline#

NurbsCurve.splitAt#

NurbsCurve.startPoint#

NurbsCurve.sweepFrameAt#

NurbsCurve.sweepFrameIsDiscrete#

NurbsCurve.tangentAt#

NurbsCurve.tessellate#

NurbsCurve.toSvgPathData#

NurbsCurve.transform#

NurbsCurve.validationError#

NurbsCurve.wireFromPoints#