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P3: expose face edge vertex topology through geometry facade

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wangdequan
2026-08-02 17:44:42 -04:00
parent ed5b1f3b67
commit 160f00aec7
7 changed files with 23 additions and 7 deletions
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13
src/facade/geometryRuntime.ts
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@@ -1,7 +1,7 @@
import { BitByBitOCCT, OccStateEnum } from '@bitbybit-dev/occt-worker'
import type { Inputs } from '@bitbybit-dev/occt'
import type { ApplyPlacementInput, BooleanCutInput, BooleanIntersectionInput, BooleanUnionInput, ChamferInput, CreateBoxInput, CreateConeInput, CreateCylinderInput, CreateSphereInput, FilletInput, GeometryCapabilities, GeometryDocumentContext, GeometryFileExport, LinearFeatureParameters, MeshAsset, PadInput, PlanarProfile, PocketInput, Point3, RevolutionInput, ShapeHandle, SubshapeRef } from './types'
import { createSubshapeRefs } from './topologyNaming'
import type { ApplyPlacementInput, BooleanCutInput, BooleanIntersectionInput, BooleanUnionInput, ChamferInput, CreateBoxInput, CreateConeInput, CreateCylinderInput, CreateSphereInput, FilletInput, GeometryCapabilities, GeometryDocumentContext, GeometryFileExport, LinearFeatureParameters, MeshAsset, PadInput, PlanarProfile, PocketInput, Point3, RevolutionInput, ShapeHandle, SubshapeRef, SubshapeTopology } from './types'
import { createEdgeSubshapeRefs, createSubshapeRefs, createVertexSubshapeRefs } from './topologyNaming'
type KernelShapeReference = Inputs.OCCT.TopoDSShapePointer
type KernelMesh = Inputs.OCCT.DecomposedMeshDto
@@ -438,6 +438,15 @@ export class BitbybitGeometryRuntime {
return (await this.mesh(shape, precision)).subshapes ?? []
}
async topology(shape: ShapeHandle, precision = 0.05): Promise<SubshapeTopology> {
finitePositive(precision, 'precision')
const entry = this.resolveShape(shape)
const client = await this.readyClient()
const mesh = await client.occt.shapeToMesh({ shape: entry.reference, precision, adjustYtoZ: false })
const faces = mesh.faceList.map((face) => ({ vertexCoord: face.vertexCoord, normalCoord: face.normalCoord, triIndexes: face.triIndexes }))
return { faces: createSubshapeRefs(shape.id, shape.documentVersion, faces, Math.max(1e-5, precision * 0.1)).refs, edges: createEdgeSubshapeRefs(shape.id, shape.documentVersion, faces, Math.max(1e-5, precision * 0.1)).refs, vertices: createVertexSubshapeRefs(shape.id, shape.documentVersion, faces, Math.max(1e-5, precision * 0.1)).refs }
}
async release(shape: ShapeHandle): Promise<void> {
const entry = this.shapes.get(shape.id)
if (!entry) return