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P6: add Bitbybit STEP and STL export boundary

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wangdequan
2026-08-02 10:41:24 -04:00
parent 64b7369918
commit 022a5dde2f
6 changed files with 32 additions and 3 deletions
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19
src/facade/geometryRuntime.ts
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@@ -1,6 +1,6 @@
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, LinearFeatureParameters, MeshAsset, PadInput, PlanarProfile, PocketInput, Point3, RevolutionInput, ShapeHandle, SubshapeRef } from './types'
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'
type KernelShapeReference = Inputs.OCCT.TopoDSShapePointer
@@ -380,6 +380,23 @@ export class BitbybitGeometryRuntime {
return this.registerShape(kernelShape, input.documentId, input.documentVersion)
}
async exportStep(shape: ShapeHandle, fileName = `${shape.id}.step`): Promise<GeometryFileExport> {
const entry = this.resolveShape(shape)
if (!fileName.toLowerCase().endsWith('.step') && !fileName.toLowerCase().endsWith('.stp')) throw new RangeError('STEP fileName must end with .step or .stp.')
const client = await this.readyClient()
const text = await client.occt.io.saveShapeSTEPAndReturn({ shape: entry.reference, fileName, adjustYtoZ: false, tryDownload: false })
return { format: 'step', fileName, mediaType: 'application/step', text }
}
async exportStl(shape: ShapeHandle, fileName = `${shape.id}.stl`, precision = 0.05): Promise<GeometryFileExport> {
const entry = this.resolveShape(shape)
if (!fileName.toLowerCase().endsWith('.stl')) throw new RangeError('STL fileName must end with .stl.')
finitePositive(precision, 'precision')
const client = await this.readyClient()
const text = await client.occt.io.saveShapeStlAndReturn({ shape: entry.reference, fileName, precision, adjustYtoZ: false, tryDownload: false, binary: false })
return { format: 'stl', fileName, mediaType: 'model/stl', text }
}
async pad(input: PadInput): Promise<ShapeHandle> {
validatePadInput(input)
const client = await this.readyClient()