LineSegment3d Class
A LineSegment3d is:
- A 3d line segment represented by its start and end coordinates
- startPoint
- endPoint
- The segment is parameterized with fraction 0 at the start and fraction 1 at the end, i.e. either of these equivalent forms to map fraction
f
to a pointX(f)
Extends
Implements
Methods
Name | Description | |
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constructor(point0: Point3d, point1: Point3d): LineSegment3d Protected | CAPTURE point references as a LineSegment3d |
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announceClipIntervals(clipper: Clipper, announce?: AnnounceNumberNumberCurvePrimitive): boolean | Find intervals of this curve primitive that are interior to a clipper | |
appendPlaneIntersectionPoints(plane: PlaneAltitudeEvaluator, result: CurveLocationDetail[]): number | Compute points of simple (transverse) with a plane. | |
clone(): LineSegment3d | Clone the LineSegment3d | |
clonePartialCurve(fractionA: number, fractionB: number): LineSegment3d | Return (if possible) a curve primitive which is a portion of this curve. | |
cloneTransformed(transform: Transform): LineSegment3d | Clone and apply transform to the clone. | |
closestPoint(spacePoint: Point3d, extend: VariantCurveExtendParameter, result?: CurveLocationDetail): CurveLocationDetail | Returns a curve location detail with both xyz and fractional coordinates of the closest point. | |
computeStrokeCountForOptions(options?: StrokeOptions): number | return the stroke count required for given options. | |
constructOffsetXY(offsetDistanceOrOptions: number | OffsetOptions): undefined | CurvePrimitive | CurvePrimitive[] | Construct an offset of the instance curve as viewed in the xy-plane (ignoring z). | |
curveLength(): number | Return the length of the segment. | |
curveLengthBetweenFractions(fraction0: number, fraction1: number): number | Return the length of the partial segment between fractions. | |
dispatchToGeometryHandler(handler: GeometryHandler): any | Second step of double dispatch: call handler.handleLineSegment3d(this) |
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emitStrokableParts(handler: IStrokeHandler, options?: StrokeOptions): void | Emit strokes to caller-supplied handler | |
emitStrokes(dest: LineString3d, options?: StrokeOptions): void | Emit strokes to caller-supplied linestring | |
endPoint(result?: Point3d): Point3d | Return a (clone of) the end point. | |
extendRange(range: Range3d, transform?: Transform): void | Extend a range to include the (optionally transformed) line segment | |
fractionToPoint(fraction: number, result?: Point3d): Point3d | Return the point at fractional position along the line segment. | |
fractionToPointAnd2Derivatives(fraction: number, result?: Plane3dByOriginAndVectors): Plane3dByOriginAndVectors | Construct a plane with | |
fractionToPointAndDerivative(fraction: number, result?: Ray3d): Ray3d | Return the point and derivative vector at fractional position along the line segment. | |
getFractionToDistanceScale(): undefined | number | A simple line segment's fraction and distance are proportional. | |
isAlmostEqual(other: GeometryQuery): boolean | Near equality test with other . |
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isInPlane(plane: PlaneAltitudeEvaluator): boolean | Test if both endpoints are in a plane (within tolerance) | |
isSameGeometryClass(other: GeometryQuery): boolean | test if other is of class LineSegment3d |
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projectedParameterRange(ray: Ray3d | Vector3d, lowHigh?: Range1d): undefined | Range1d | Project instance geometry (via dispatch) onto the given ray, and return the extreme fractional parameters of projection. | |
quickLength(): number | Return the length of the segment. | |
rangeBetweenFractions(fraction0: number, fraction1: number, transform?: Transform): Range3d | Returns a (high accuracy) range of the curve between fractional positions | |
reverseInPlace(): void | swap the endpoint references. | |
set(point0: Point3d, point1: Point3d): void | Set the start and endpoints by cloning the input parameters. | |
setFrom(other: LineSegment3d): void | copy (clone) data from other | |
setFromJSON(json?: any): void | Construct a line from either of these json forms: | |
setRefs(point0: Point3d, point1: Point3d): void | Set the start and endpoints by capturing input references. | |
startPoint(result?: Point3d): Point3d | Return a (clone of) the start point. | |
toJSON(): any | Place the lineSegment3d start and points in a json object | |
tryTransformInPlace(transform: Transform): boolean | Transform the two endpoints of this LinSegment. | |
create(point0: Point3d, point1: Point3d, result?: LineSegment3d): LineSegment3d Static | Create with start and end points. | |
createCapture(point0: Point3d, point1: Point3d): LineSegment3d Static | Create with start and end points. | |
createXYXY(x0: number, y0: number, x1: number, y1: number, z: number = 0, result?: LineSegment3d): LineSegment3d Static | create a LineSegment3d from xy coordinates of start and end, with common z. | |
createXYZXYZ(x0: number, y0: number, z0: number, x1: number, y1: number, z1: number, result?: LineSegment3d): LineSegment3d Static | create a LineSegment3d from xy coordinates of start and end, with common z. | |
fromJSON(json?: any): LineSegment3d Static | Create a new LineSegment3d with coordinates from json object. |
Inherited methods
Name | Inherited from | Description |
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addMappedStrokesToLineString3D(map: StrokeCountMap, linestring: LineString3d): number | CurvePrimitive | * evaluate strokes at fractions indicated in a StrokeCountMap. |
collectCurvePrimitives(collectorArray?: CurvePrimitive[], smallestPossiblePrimitives: boolean = false, explodeLinestrings: boolean = false): CurvePrimitive[] | CurvePrimitive | Return an array containing only the curve primitives. |
collectCurvePrimitivesGo(collectorArray: CurvePrimitive[], _smallestPossiblePrimitives: boolean, _explodeLinestrings: boolean = false): void | CurvePrimitive | Return an array containing only the curve primitives. |
computeAndAttachRecursiveStrokeCounts(options?: StrokeOptions, parentMap?: StrokeCountMap): void | CurvePrimitive | attach StrokeCountMap structure to this primitive (and recursively to any children) |
curveLengthWithFixedIntervalCountQuadrature(fraction0: number, fraction1: number, numInterval: number, numGauss: number = 5): number | CurvePrimitive | * Run an integration (with a default gaussian quadrature) with a fixed fractional step |
fractionAndDistanceToPointOnTangent(fraction: number, distance: number): Point3d | CurvePrimitive | Construct a point extrapolated along tangent at fraction. |
fractionToCurvature(fraction: number): undefined | number | CurvePrimitive | Returns the (absolute) curvature magnitude. |
fractionToFrenetFrame(fraction: number, result?: Transform): undefined | Transform | CurvePrimitive | Construct a frenet frame: |
fractionToPointAndUnitTangent(fraction: number, result?: Ray3d): Ray3d | CurvePrimitive | Returns a ray whose origin is the curve point and direction is the unit tangent. |
fractionToSignedXYRadiusOfCurvature(fraction: number): number | CurvePrimitive | Construct signed distance from a point on the curve to its center of curvature (in xy only). |
moveSignedDistanceFromFraction(startFraction: number, signedDistance: number, allowExtension: boolean, result?: CurveLocationDetail): CurveLocationDetail | CurvePrimitive | * (Attempt to) find a position on the curve at a signed distance from start fraction. |
moveSignedDistanceFromFractionGeneric(startFraction: number, signedDistance: number, allowExtension: boolean, result?: CurveLocationDetail): CurveLocationDetail Protected | CurvePrimitive | Generic algorithm to search for point at signed distance from a fractional startPoint. |
range(transform?: Transform, result?: Range3d): Range3d | CurvePrimitive | return the range of the entire (tree) GeometryQuery |
rangeBetweenFractionsByClone(fraction0: number, fraction1: number, transform?: Transform): Range3d | CurvePrimitive | Returns a (high accuracy) range of the curve between fractional positions |
rangeBetweenFractionsByCount(fraction0: number, fraction1: number, count: number, transform?: Transform, extrapolationFactor: number = 0.0): Range3d | CurvePrimitive | Returns an approximate range based on a fixed number of evaluations |
tryTranslateInPlace(dx: number, dy: number = 0.0, dz: number = 0.0): boolean | CurvePrimitive | try to move the geometry by dx,dy,dz |
areAlmostEqual(a: undefined | GeometryQuery, b: undefined | GeometryQuery): boolean Static | CurvePrimitive | apply instance method isAlmostEqual if both are defined. |
installStrokeCountMap(curve: CurvePrimitive, curveMap: StrokeCountMap, parentMap?: StrokeCountMap): void Static | CurvePrimitive | final install step to save curveMap in curve. |
Properties
Name | Type | Description | |
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curvePrimitiveType Readonly | "lineSegment" | String name for schema properties | |
isExtensibleFractionSpace Accessor ReadOnly | boolean | A LineSegment3d extends along its infinite line. | |
point0Ref Accessor ReadOnly | Point3d | Return REFERENCE to the start point of this segment. | |
point1Ref Accessor ReadOnly | Point3d | Return REFERENCE to the end point of this segment. |
Inherited properties
Name | Type | Inherited from | Description |
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children Accessor ReadOnly | undefined | GeometryQuery[] | CurvePrimitive | return GeometryQuery children for recursive queries. * leaf classes do not need to implement. |
geometryCategory Readonly | "curvePrimitive" | CurvePrimitive | String name for schema properties |
parent | undefined | any | CurvePrimitive | data attached by various algorithms (e.g. |
strokeData | undefined | StrokeCountMap | CurvePrimitive | data attached during stroking for facets. |
Defined in
- curve/LineSegment3d.ts Line 44
Last Updated: 20 June, 2023