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@file-viewer/geometry-engine

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@file-viewer/geometry-engine

Framework-neutral geometry kernel boundary package for STEP, IGES, IFC, 3DM, and BREP preview routes in Flyfish File Viewer.

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npmnpm
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2.1.0
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2.5K
-24.5%
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@file-viewer/geometry-engine

Flyfish File Viewer 的独立几何内核边界包。它不包含 UI,也不默认打包 OpenCascade、web-ifc 或 rhino3dm 这类重型 WASM 运行时;当前负责 STEP、IGES、IFC、3DM 和 BREP 的格式识别、文件头检查、推荐内核路线和对外提示文本。

import {
  inspectGeometryKernelFile,
  formatGeometryKernelNotice,
} from '@file-viewer/geometry-engine'

const inspection = inspectGeometryKernelFile(new Uint8Array(buffer), 'step')
const notice = formatGeometryKernelNotice(inspection.format)

定位

  • inspectGeometryKernelFile() 读取文件前缀,识别 STEP / IGES / IFC / 3DM / BREP 的常见签名。
  • geometryKernelRoutes 明确每个格式的推荐 WASM 路线:STEP / IGES / BREP 走 OpenCascade / OCCT,IFC 走 web-ifc / That Open,3DM 走 McNeel rhino3dm
  • @file-viewer/renderer-3d 使用本包展示专业、准确的转换说明;core 和普通 3D 预览不会因此安装 CAD/BIM 几何内核。
  • 后续完整可视渲染可以继续在这个包中分层演进,或拆出更细的 @file-viewer/geometry-occt@file-viewer/geometry-ifc@file-viewer/geometry-3dm

为什么单独拆包

STEP、IGES、IFC 和 3DM 都不是普通 Three.js loader 可以完整还原的轻量格式。它们需要 CAD/BIM 专业内核、Worker 隔离、WASM 资产托管、许可证边界和真实样本长期回归。把这条路线单独固定下来,可以让 @file-viewer/core 保持快速安装,让工程格式能力像 PPTX 一样独立维护、独立发布。

Keywords

file-viewer

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Package last updated on 23 Jun 2026

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