ClipUtilities Class
Static class whose various methods are functions for clipping geometry
Methods
| Name | Description | |
|---|---|---|
| constructor(): ClipUtilities | ||
| announceLoopsOfConvexClipPlaneSetIntersectRange(convexSet: ConvexClipPlaneSet | ClipPlane, range: Range3d, loopFunction: (loopPoints: GrowableXYZArray) => void, includeConvexSetFaces: boolean = true, includeRangeFaces: boolean = true, ignoreInvisiblePlanes: boolean = false): void Static | Emit point loops for intersection of a convex set with a range. | |
| announceNNC(intervals: Range1d[], cp: CurvePrimitive, announce?: AnnounceNumberNumberCurvePrimitive): boolean Static | Announce triples of (low, high, cp) for each entry in intervals | |
| announcePolylineClip(clipper: Clipper, points: Point3d[], announce: (point0: Point3d, point1: Point3d) => void): void Static | Pass line segments from a polyline to the clipper. | |
| captureOrDrop(data: GrowableXYZArray, minLength: number, destination: GrowableXYZArray[], cache: ): void Static | if data.length >= minLength threshold, push it to destination; if smaller drop it back to the cache. | |
| clipPolygonToClipShape(polygon: Point3d[], clipShape: ClipPrimitive): Point3d[][] Static | Clip a polygon down to regions defined by each shape of a ClipShape. | |
| clipPolygonToClipShapeReturnGrowableXYZArrays(polygon: Point3d[], clipShape: ClipPrimitive): GrowableXYZArray[] Static | Clip a polygon down to regions defined by each shape of a ClipShape. | |
| clipSegmentBelowPlaneXY(plane: Plane3dByOriginAndUnitNormal, segmentPoint0: Readonly<WritableXAndY>, segmentPoint1: Readonly<WritableXAndY>, interval: Range1d, absoluteTolerance: number = 1.0e-14): void Static | Find the portion of a line within a half-plane clip. | |
| clipSegmentBelowPlanesXY(planes: Plane3dByOriginAndUnitNormal[], segment0: Readonly<WritableXAndY>, segment1: Readonly<WritableXAndY>, interval: Range1d, signedAltitude: number = 1.0e-14): void Static | Clip an interval of a line segment to an array of planes | |
| clipSegmentToCCWTriangleXY(pointA: Readonly<WritableXAndY>, pointB: Readonly<WritableXAndY>, pointC: Readonly<WritableXAndY>, segment0: Readonly<WritableXAndY>, segment1: Readonly<WritableXAndY>, interval: Range1d, absoluteTolerance: number = 1.0e-14): void Static | Clip an interval of a line segment to a triangle. | |
| clipSegmentToLLeftOfLineXY(linePointA: Readonly<WritableXAndY>, linePointB: Readonly<WritableXAndY>, segmentPoint0: Readonly<WritableXAndY>, segmentPoint1: Readonly<WritableXAndY>, interval: Range1d, absoluteTolerance: number = 1.0e-14): void Static | Find the portion of a line within a half-plane clip. | |
| collectClippedCurves(curve: CurvePrimitive, clipper: Clipper): CurvePrimitive[] Static | Find portions of the curve that are within the clipper. | |
| createComplementaryClips(clipper: ConvexClipPlaneSet): UnionOfConvexClipPlaneSets Static | For each plane of clipper, construct a UnionOfConvexClipPlaneSets for an outer (infinite) convex volume that | |
| doPolygonClipParitySequence(xyz: GrowableXYZArray, clippers: Clipper[], acceptedIn: undefined | GrowableXYZArray[], acceptedOut: undefined | GrowableXYZArray[], arrayCache: undefined | ): void Static | Pass polygon xyz through a sequence of PolygonClip steps with "parity" rules |
|
| doPolygonClipSequence(xyz: GrowableXYZArray, clippers: Clipper[], acceptedIn: undefined | GrowableXYZArray[], acceptedOut: undefined | GrowableXYZArray[], finalCandidates: undefined | GrowableXYZArray[], inAction: ClipStepAction, outAction: ClipStepAction, finalFragmentAction: ClipStepAction, arrayCache: undefined | ): void Static | Pass polygon xyz through a sequence of PolygonClip steps. |
|
| doesClipperIntersectRange(clipper: undefined | ConvexClipPlaneSet | ClipPrimitive | UnionOfConvexClipPlaneSets | ClipVector, range: Range3d, observeInvisibleFlag: boolean = true): boolean Static | Test if various types of clippers have any intersection with a range. | |
| doesConvexClipPlaneSetIntersectRange(convexSet: ConvexClipPlaneSet, range: Range3d, includeConvexSetFaces: boolean = true, includeRangeFaces: boolean = true, ignoreInvisiblePlanes: boolean = false): boolean Static | Emit point loops for intersection of a convex set with a range. | |
| isClipper(obj: any): boolean Static | Test if obj is a Clipper object. |
|
| loopsOfConvexClipPlaneIntersectionWithRange(allClippers: ConvexClipPlaneSet | ClipPlane | UnionOfConvexClipPlaneSets, range: Range3d, includeConvexSetFaces: boolean = true, includeRangeFaces: boolean = true, ignoreInvisiblePlanes: boolean = false): GeometryQuery[] Static | Return a (possibly empty) array of geometry (Loops !!) which are facets of the intersection of the convex set intersecting a range. | |
| pointSetSingleClipStatus(points: GrowableXYZArray, planeSet: UnionOfConvexClipPlaneSets, tolerance: number): ClipStatus Static | Given an array of points, test for trivial containment conditions. | |
| rangeOfClipperIntersectionWithRange(clipper: undefined | ConvexClipPlaneSet | ClipPrimitive | UnionOfConvexClipPlaneSets | ClipVector, range: Range3d, observeInvisibleFlag: boolean = true): Range3d Static | Return the range of various types of clippers | |
| rangeOfConvexClipPlaneSetIntersectionWithRange(convexSet: ConvexClipPlaneSet, range: Range3d): Range3d Static | Return the (possibly null) range of the intersection of the convex set with a range. | |
| restoreSingletonInPlaceOfMultipleShards(fragments: undefined | GrowableXYZArray[], baseCount: number, singleton: GrowableXYZArray, arrayCache: ): void Static | Specialized logic for replacing clip fragments by an equivalent singleton. | |
| selectIntervals01(curve: CurvePrimitive, unsortedFractions: GrowableFloat64Array, clipper: Clipper, announce?: AnnounceNumberNumberCurvePrimitive): boolean Static | * Augment the unsortedFractionsArray with 0 and 1 | |
| sumPolylineClipLength(clipper: Clipper, points: Point3d[]): number Static | Pass line segments from a polyline to the clipper. |
Defined in
- clipping/ClipUtils.ts Line 126
Last Updated: 20 June, 2023