PolyfaceQuery Class
PolyfaceQuery is a static class whose methods implement queries on a polyface or polyface visitor provided as a parameter to each method.
Methods
| Name | Description | |
|---|---|---|
| announceSweepLinestringToConvexPolyfaceXY(linestringPoints: GrowableXYZArray, polyface: Polyface, announce: AnnounceDrapePanel): any Static | Find segments (within the linestring) which project to facets. | |
| boundaryEdges(source: Polyface, includeDanglers: boolean = true, includeMismatch: boolean = true, includeNull: boolean = true): CurveCollection | undefined Static | Test if the facets in source occur in perfectly mated pairs, as is required for a closed manifold volume. |
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| clonePartitions(polyface: Polyface | PolyfaceVisitor, partitions: number[][]): Polyface[] Static | Clone the facets in each partition to a separate polyface. | |
| cloneWithColinearEdgeFixup(polyface: Polyface): Polyface Static | Clone the facets, inserting removing points that are simply within colinear edges. | |
| cloneWithTVertexFixup(polyface: Polyface): Polyface Static | Clone the facets, inserting vertices (within edges) where points not part of each facet's vertex indices impinge within edges. | |
| collectRangeLengthData(polyface: Polyface | PolyfaceVisitor): RangeLengthData Static | * Examine ranges of facets. | |
| computeFacetUnitNormal(visitor: PolyfaceVisitor, facetIndex: number, result?: Vector3d): Vector3d | undefined Static | Try to compute a unit normal for a facet accessible through a visitor. | |
| computePrincipalAreaMoments(source: Polyface): MomentData | undefined Static | Compute area moments for the mesh. | |
| computePrincipalVolumeMoments(source: Polyface): MomentData | undefined Static | Compute area moments for the mesh. | |
| createIndexedEdges(visitor: PolyfaceVisitor): IndexedEdgeMatcher Static | Load all half edges from a mesh to an IndexedEdgeMatcher | |
| indexedPolyfaceToLoops(polyface: Polyface): BagOfCurves Static | Create a linestring loop for each facet of the polyface. | |
| isPolyfaceClosedByEdgePairing(source: Polyface): boolean Static | Test if the facets in source occur in perfectly mated pairs, as is required for a closed manifold volume. |
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| isPolyfaceManifold(source: Polyface, allowSimpleBoundaries: boolean = false): boolean Static | Test edges pairing in source mesh. |
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| markAllEdgeVisibility(mesh: IndexedPolyface, value: boolean): void Static | * Mark all edge visibilities in the IndexedPolyface | |
| markPairedEdgesInvisible(mesh: IndexedPolyface, sharpEdgeAngle?: Angle): void Static | * Find mated pairs among facet edges. | |
| partitionFacetIndicesByEdgeConnectedComponent(polyface: Polyface | PolyfaceVisitor): number[][] Static | Search the facets for facet subsets that are connected with at least edge contact. | |
| partitionFacetIndicesByVertexConnectedComponent(polyface: Polyface | PolyfaceVisitor): number[][] Static | Search the facets for facet subsets that are connected with at least vertex contact. | |
| partitionFacetIndicesByVisibilityVector(polyface: Polyface | PolyfaceVisitor, vectorToEye: Vector3d, sideAngleTolerance: Angle): number[][] Static | * Examine the normal orientation for each faces. | |
| reorientVertexOrderAroundFacetsForConsistentOrientation(mesh: IndexedPolyface): boolean Static | Examine adjacent facet orientations throughout the mesh If possible, reverse a subset to achieve proper pairing. |
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| setSingleEdgeVisibility(polyface: IndexedPolyface, facetIndex: number, vertexIndex: number, value: boolean): void Static | Set the visibility of a particular edge of a particular facet. | |
| sumFacetAreas(source: Polyface | PolyfaceVisitor): number Static | Return the sum of all facets areas. | |
| sumFacetSecondAreaMomentProducts(source: Polyface | PolyfaceVisitor, origin: Point3d): Matrix4d Static | Return the inertia products [xx,xy,xz,xw, yw, etc] integrated over all all facets, as viewed from origin. | |
| sumFacetSecondVolumeMomentProducts(source: Polyface | PolyfaceVisitor, origin: Point3d): Matrix4d Static | Return the inertia products [xx,xy,xz,xw, yw, etc] integrated over all tetrahedral volumes from origin | |
| sumTetrahedralVolumes(source: Polyface | PolyfaceVisitor, origin?: Point3d): number Static | sum volumes of tetrahedra from origin to all facets. | |
| sumVolumeBetweenFacetsAndPlane(source: Polyface | PolyfaceVisitor, plane: Plane3dByOriginAndUnitNormal): FacetProjectedVolumeSums Static | sum (signed) volumes between facets and a plane. | |
| sweepLinestringToFacetsXYReturnChains(linestringPoints: GrowableXYZArray, polyface: Polyface): LineString3d[] Static | Find segments (within the linestring) which project to facets. | |
| sweepLinestringToFacetsXYReturnLines(linestringPoints: GrowableXYZArray, polyface: Polyface): LineSegment3d[] Static | Find segments (within the linestring) which project to facets. | |
| sweepLinestringToFacetsXYreturnSweptFacets(linestringPoints: GrowableXYZArray, polyface: Polyface): Polyface Static | Find segments (within the linestring) which project to facets. | |
| visitorToLoop(visitor: PolyfaceVisitor): Loop Static | copy the points from a visitor into a Linestring3d in a Loop object |
Defined in
Last Updated: 08 January, 2020