@huukhanhnguyen/geometry / namespaces/NurbsCurve

namespaces/NurbsCurve#

axesAtParam#

const axesAtParam: (curve_json, t) => Float64Array = wasm.curve_axes_at_param

origin(3), xAxis(3), yAxis(3), zAxis(3) — the sweep-frame trihedron.

Parameters#

curve_json#

string

t#

number

Returns#

Float64Array

boundingBox#

const boundingBox: (curve_json) => Float64Array = wasm.curve_bounding_box

[minX, minY, minZ, maxX, maxY, maxZ] of the CONTROL POLYGON, which is the curve's convex hull.

Parameters#

curve_json#

string

Returns#

Float64Array

chamfer#

const chamfer: (curve_json, distance1, distance2, use_indices, vertex_indices) => string = wasm.curve_chamfer

Parameters#

curve_json#

string

distance1#

number

distance2#

number

use_indices#

boolean

vertex_indices#

Uint32Array

Returns#

string

circle#

const circle: (cx, cy, cz, radius, nx, ny, nz) => string = wasm.curve_circle

Parameters#

cx#

number

cy#

number

cz#

number

radius#

number

nx#

number

ny#

number

nz#

number

Returns#

string

closestPoint#

const closestPoint: (curve_json, x, y, z) => Float64Array = wasm.curve_closest_point

Parameters#

curve_json#

string

x#

number

y#

number

z#

number

Returns#

Float64Array

cubicBezier#

const cubicBezier: (p0x, p0y, p0z, p1x, p1y, p1z, p2x, p2y, p2z, p3x, p3y, p3z) => string = wasm.curve_cubic_bezier

Parameters#

p0x#

number

p0y#

number

p0z#

number

p1x#

number

p1y#

number

p1z#

number

p2x#

number

p2y#

number

p2z#

number

p3x#

number

p3y#

number

p3z#

number

Returns#

string

ellipse#

const ellipse: (cx, cy, cz, xx, xy, xz, yx, yy, yz) => string = wasm.curve_ellipse

Parameters#

cx#

number

cy#

number

cz#

number

xx#

number

xy#

number

xz#

number

yx#

number

yy#

number

yz#

number

Returns#

string

ellipseArc#

const ellipseArc: (cx, cy, cz, xx, xy, xz, yx, yy, yz, start_angle, end_angle) => string = wasm.curve_ellipse_arc

Parameters#

cx#

number

cy#

number

cz#

number

xx#

number

xy#

number

xz#

number

yx#

number

yy#

number

yz#

number

start_angle#

number

end_angle#

number

Returns#

string

endPoint#

const endPoint: (curve_json) => Float64Array = wasm.curve_end_point

Parameters#

curve_json#

string

Returns#

Float64Array

fillet#

const fillet: (curve_json, radius, use_indices, vertex_indices, degenerate_angle_tol) => string = wasm.curve_fillet

use_indices = false is the TS null default — every corner.

Parameters#

curve_json#

string

radius#

number

use_indices#

boolean

vertex_indices#

Uint32Array

degenerate_angle_tol#

number

Returns#

string

fromPath#

const fromPath: (path_json) => string = wasm.curve_from_path

A JSON array of ContourJson in, a JSON array of NurbsCurveJSON out.

Parameters#

path_json#

string

Returns#

string

fromSubpath#

const fromSubpath: (shape_json) => string = wasm.curve_from_subpath

ContourJson in, one NurbsCurveJSON out.

Parameters#

shape_json#

string

Returns#

string

geometryToNurbs#

const geometryToNurbs: (geometry_json) => string = wasm.curve_geometry_to_nurbs

curveGeometryToNurbs — takes either a bare NurbsCurve or a Wire / PolyCurve document and returns the NurbsCurve every other curve_* / nurbs_* export reads.

Parameters#

geometry_json#

string

Returns#

string

helix#

const helix: (ox, oy, oz, ax, ay, az, radius, pitch, turns, segments_per_turn, clockwise) => string = wasm.curve_helix

Parameters#

ox#

number

oy#

number

oz#

number

ax#

number

ay#

number

az#

number

radius#

number

pitch#

number

turns#

number

segments_per_turn#

number

clockwise#

boolean

Returns#

string

isClosed#

const isClosed: (curve_json) => boolean = wasm.curve_is_closed

Parameters#

curve_json#

string

Returns#

boolean

join#

const join: (curves_json) => string = wasm.curve_join

curves_json is a JSON array of NurbsCurveJSON.

Parameters#

curves_json#

string

Returns#

string

length#

const length: (curve_json) => number = wasm.curve_length

Parameters#

curve_json#

string

Returns#

number

lengthAt#

const lengthAt: (curve_json, t) => number = wasm.curve_length_at

Parameters#

curve_json#

string

t#

number

Returns#

number

line#

const line: (sx, sy, sz, ex, ey, ez) => string = wasm.curve_line

Parameters#

sx#

number

sy#

number

sz#

number

ex#

number

ey#

number

ez#

number

Returns#

string

nurbsToWire#

const nurbsToWire: (nurbs_json) => string = wasm.curve_nurbs_to_wire

nurbsToWire — the other direction: a NURBS curve as a one-edge Wire document (legacy curve entity geometry path).

Parameters#

nurbs_json#

string

Returns#

string

offset#

const offset: (curve_json, distance, direction_x, direction_y, direction_z, tolerance) => string = wasm.curve_offset

Parameters#

curve_json#

string

distance#

number

direction_x#

number

direction_y#

number

direction_z#

number

tolerance#

number

Returns#

string

overcut#

const overcut: (curve_json, radius, overcut_type, reduction, use_indices, vertex_indices, degenerate_angle_tol) => string = wasm.curve_overcut

overcut_type is "dogbone", "longTbone" or "shortTbone".

Parameters#

curve_json#

string

radius#

number

overcut_type#

string

reduction#

number

use_indices#

boolean

vertex_indices#

Uint32Array

degenerate_angle_tol#

number

Returns#

string

paramAtLength#

const paramAtLength: (curve_json, length) => number = wasm.curve_param_at_length

Parameters#

curve_json#

string

length#

number

Returns#

number

paramToKnot#

const paramToKnot: (curve_json, t) => number = wasm.curve_param_to_knot

Parameters#

curve_json#

string

t#

number

Returns#

number

pointAt#

const pointAt: (curve_json, t) => Float64Array = wasm.curve_point_at

Parameters#

curve_json#

string

t#

number

Returns#

Float64Array

polyline#

const polyline: (points, closed) => string = wasm.curve_polyline

points is a flat [x, y, z, ...] run.

Parameters#

points#

Float64Array

closed#

boolean

Returns#

string

project#

const project: (curve_json, plane_point_x, plane_point_y, plane_point_z, plane_normal_x, plane_normal_y, plane_normal_z) => string = wasm.curve_project

Parameters#

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

Returns#

string

quadraticBezier#

const quadraticBezier: (p0x, p0y, p0z, p1x, p1y, p1z, p2x, p2y, p2z) => string = wasm.curve_quadratic_bezier

Parameters#

p0x#

number

p0y#

number

p0z#

number

p1x#

number

p1y#

number

p1z#

number

p2x#

number

p2y#

number

p2z#

number

Returns#

string

reverse#

const reverse: (curve_json) => string = wasm.curve_reverse

Parameters#

curve_json#

string

Returns#

string

spline#

const spline: (points, degree) => string = wasm.curve_spline

Parameters#

points#

Float64Array

degree#

number

Returns#

string

splitAt#

const splitAt: (curve_json, t) => string = wasm.curve_split_at

Both halves, as a JSON array of two NurbsCurveJSON.

Parameters#

curve_json#

string

t#

number

Returns#

string

startPoint#

const startPoint: (curve_json) => Float64Array = wasm.curve_start_point

Parameters#

curve_json#

string

Returns#

Float64Array

sweepFrameAt#

const sweepFrameAt: (curve_json, u, smooth_iter, tilt_samples) => Float64Array = wasm.curve_sweep_frame_at

The sweep frame at u. tilt_samples is a flat (u, radians) table the caller fills by evaluating its own tilt law; empty means no extra twist. The interpolated tilt rotates the frame about its x-axis.

Parameters#

curve_json#

string

u#

number

smooth_iter#

number

tilt_samples#

Float64Array

Returns#

Float64Array

sweepFrameIsDiscrete#

const sweepFrameIsDiscrete: (curve_json, smooth_iter) => boolean = wasm.curve_sweep_frame_is_discrete

Whether the sweep frame took the DiscreteTrihedron fallback (cumulative torsion above 3*pi) rather than CorrectedFrenet.

Parameters#

curve_json#

string

smooth_iter#

number

Returns#

boolean

tangentAt#

const tangentAt: (curve_json, t) => Float64Array = wasm.curve_tangent_at

Parameters#

curve_json#

string

t#

number

Returns#

Float64Array

tessellate#

const tessellate: (curve_json, tolerance) => Float64Array = wasm.curve_tessellate

Parameters#

curve_json#

string

tolerance#

number

Returns#

Float64Array

toSvgPathData#

const toSvgPathData: (curve_json) => string = wasm.curve_to_svg_path_data

Parameters#

curve_json#

string

Returns#

string

transform#

const transform: (curve_json, elements) => string = wasm.curve_transform

Parameters#

curve_json#

string

elements#

Float64Array

Returns#

string

validationError#

const validationError: (curve_json) => string | undefined = wasm.curve_validation_error

The constructor's checks. Returns undefined when valid, or the message the TypeScript constructor would have thrown.

Parameters#

curve_json#

string

Returns#

string | undefined

wireFromPoints#

const wireFromPoints: (points, closed) => string = wasm.curve_wire_from_points

wireFromPoints — a chain wire through ordered points, each span its own degree-1 edge. Points cross as the flat [x0, y0, z0, x1, ...] run every other point list uses.

Parameters#

points#

Float64Array

closed#

boolean

Returns#

string