{
  "added_at": "2026-11-09",
  "additional_evidence_urls": [
    "https://github.com/retroplasma/earth-reverse-engineering/blob/35af10d0e1a133dc217d63c59545a917f4e5fc3f/exporter/README.md"
  ],
  "category": "reconstruction-cases",
  "class": "website",
  "description_en": "earth-reverse-engineering investigates Google Earth's 3D satellite mode and reconstructs its resource URL structure, octree metadata, Protobuf asset formats, and mesh and texture decoding steps. The repository includes a native and WebAssembly flycam client, a JavaScript model exporter, and a rocktree Protobuf schema.",
  "description_zh": "earth-reverse-engineering 研究 Google Earth 的三维卫星影像模式，重建资源 URL 结构、八叉树元数据、Protobuf 资源格式以及网格和纹理解码步骤。仓库提供原生及 WebAssembly 漫游客户端、JavaScript 模型导出器和 rocktree Protobuf 定义。",
  "entry_url": "https://awesomerea.org/resources/earth-reverse-engineering-case/",
  "entry_url_zh": "https://awesomerea.org/zh/resources/earth-reverse-engineering-case/",
  "evidence_url": "https://github.com/retroplasma/earth-reverse-engineering/blob/35af10d0e1a133dc217d63c59545a917f4e5fc3f/README.md",
  "group": "cases",
  "id": "earth-reverse-engineering-case",
  "json_url": "https://awesomerea.org/resources/earth-reverse-engineering-case/record.json",
  "kind": "case-study",
  "markdown_url": "https://awesomerea.org/resources/earth-reverse-engineering-case/index.md",
  "markdown_url_zh": "https://awesomerea.org/zh/resources/earth-reverse-engineering-case/index.md",
  "name": "Google Earth: reconstructing 3D satellite asset formats and access",
  "name_zh": "Google Earth：重建三维卫星影像资源格式与访问方式",
  "record_type": "resource",
  "relationship": "independent-reconstruction",
  "requirement_facets": [
    "prerequisites",
    "prerequisites",
    "limits",
    "license"
  ],
  "requirements": [
    "The native client build requires repository submodules, g++, SDL2, Protobuf, and GLEW.",
    "The model exporter requires Node.js v8 and npm.",
    "The README describes a bounding-box-based method for converting latitude and longitude to an octant as unstable.",
    "No licence file is shown in the repository file list."
  ],
  "requirements_zh": [
    "编译原生客户端需要仓库子模块、g++、SDL2、Protobuf 和 GLEW。",
    "模型导出器需要 Node.js v8 和 npm。",
    "README 将一种基于边界框把经纬度转换为八叉树节点的方法标为不稳定。",
    "仓库文件列表中没有许可证文件。"
  ],
  "targets": [
    "website"
  ],
  "url": "https://github.com/retroplasma/earth-reverse-engineering",
  "verification": "source-reviewed",
  "verified_at": "2026-11-06"
}
