ConvexClipPlaneSet Class

A ConvexClipPlaneSet is a collection of ClipPlanes, often used for bounding regions of space.

Implements

Methods

Name Description
addPlaneToConvexSet(plane: ClipPlane | undefined): void Add a plane to the convex set.  
addZClipPlanes(invisible: boolean, zLow?: number, zHigh?: number): void Add planes for z-direction clip between low and high z levels.  
announceClippedArcIntervals(arc: Arc3d, announce?: AnnounceNumberNumberCurvePrimitive): boolean Find fractional parts of the arc that are within this ClipPlaneSet, and announce each as
* announce(fraction, fraction, curve)
 
announceClippedSegmentIntervals(f0: number, f1: number, pointA: Point3d, pointB: Point3d, announce?: (fraction0: number, fraction1: number) => void): boolean Find the parts of the line segment (if any) that is within the convex clip volume.  
classifyPointContainment(points: Point3d[], onIsOutside: boolean): ClipPlaneContainment Returns 1, 2, or 3 based on whether point array is strongly inside, ambiguous, or strongly outside respectively.  
clipConvexPolygonInPlace(xyz: GrowableXYZArray, work: GrowableXYZArray, tolerance: number = Geometry.smallMetricDistance): void Clip a polygon to the inside of the convex set.  
clipPointsOnOrInside(points: Point3d[], inOrOn: Point3d[], out: Point3d[]): void test many points.  
clipUnboundedSegment(pointA: Point3d, pointB: Point3d, announce?: (fraction0: number, fraction1: number) => void): boolean Find the parts of the (unbounded) line segment (if any) that is within the convex clip volume.  
clone(result?: ConvexClipPlaneSet): ConvexClipPlaneSet Deep clone of all planes.  
computePlanePlanePlaneIntersections(points: Point3d[] | undefined, rangeToExtend: Range3d | undefined, transform?: Transform, testContainment: boolean = true): number Compute intersections among all combinations of 3 planes in the convex set.  
hasIntersectionWithRay(ray: Ray3d, result?: Range1d): boolean Test if there is any intersection with a ray defined by origin and direction.  
isAlmostEqual(other: ConvexClipPlaneSet): boolean Return true if all members are almostEqual to corresponding members of other.  
isPointInside(point: Point3d): boolean Return true if point satisfies point.isPointInside for all planes  
isPointOnOrInside(point: Point3d, tolerance: number): boolean Return true if point satisfies point.isPointOnOrInside for all planes  
isSphereInside(centerPoint: Point3d, radius: number): boolean Test if a sphere is completely inside the convex set.  
multiplyPlanesByMatrix4d(matrix: Matrix4d, invert: boolean = true, transpose: boolean = true): boolean Multiply all the ClipPlanes DPoint4d by matrix.  
negateAllPlanes(): void negate all planes of the set.  
polygonClip(input: GrowableXYZArray | Point3d[], output: GrowableXYZArray, work: GrowableXYZArray, planeToSkip?: ClipPlane): void Clip a polygon to the planes of the clip plane set.  
reloadSweptPolygon(points: Point3d[], sweepDirection: Vector3d, sideSelect: number): number * Define new planes in this ConvexClipPlaneSet so it clips to the inside of a polygon.  
setInvisible(invisible: boolean): void Set the invisible property on each plane of the convex set.  
toJSON(): any Return an array containing all the planes of the convex set.  
transformInPlace(transform: Transform): void transform each plane in place.  
createEmpty(result?: ConvexClipPlaneSet): ConvexClipPlaneSet Static create an empty ConvexClipPlaneSet  
createPlanes(planes: ClipPlane[], result?: ConvexClipPlaneSet): ConvexClipPlaneSet Static create from an array of planes.  
createRange3dPlanes(range: Range3d, lowX: boolean = true, highX: boolean = true, lowY: boolean = true, highY: boolean = true, lowZ: boolean = true, highZ: boolean = true): ConvexClipPlaneSet Static Create new convex set using selected planes of a Range3d.  
createSweptPolyline(points: Point3d[], upVector: Vector3d, tiltAngle: Angle): ConvexClipPlaneSet | undefined Static * Create a convex clip set for a polygon swept with possible tilt angle.  
createXYBox(x0: number, y0: number, x1: number, y1: number, result?: ConvexClipPlaneSet): ConvexClipPlaneSet Static Create a convex clip plane set that clips to x0 <= x <= x1 and y0 <= y <= y1.  
createXYPolyLine(points: Point3d[], interior: boolean[], leftIsInside: boolean, result?: ConvexClipPlaneSet): ConvexClipPlaneSet Static Create a convex set containing a half space for each edge between points of a polyline.  
createXYPolyLineInsideLeft(points: Point3d[], result?: ConvexClipPlaneSet): ConvexClipPlaneSet Static Create a convexClipPlaneSet with planes whose "inside" normal is to the left of each segment.  
fromJSON(json: any, result?: ConvexClipPlaneSet): ConvexClipPlaneSet Static Extract clip planes from a json array [ clipPlane, clipPlane ].  
setPlaneAndXYLoopCCW(points: GrowableXYZArray, planeOfPolygon: ClipPlane, frustum: ConvexClipPlaneSet): void Static (re)set a plane and ConvexClipPlaneSet for a convex array, such as a convex facet used for xy clip.  

Properties

Name Type Description
hugeVal Static 1e+37 Value acting as "at infinity" for coordinates along a ray.  
planes Accessor ReadOnly ClipPlane[] Return the (reference to the) array of ClipPlane  

Defined in

Last Updated: 20 September, 2019