3D Tiles介绍（一）

最新推荐文章于 2025-03-17 15:59:14 发布

fionachen1989

最新推荐文章于 2025-03-17 15:59:14 发布

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分类专栏： 3D模型格式文章标签： 3D Tiles

本文链接：https://blog.youkuaiyun.com/u011295947/article/details/75003544

版权

本文介绍了3D Tiles规范，这是一个预1.0版本的空间数据结构，用于组织瓦片集合。3D Tiles使用树形结构，支持多种数据类型的包围体，并通过几何误差计算精细化级别。瓦片元数据以JSON定义，包括包围体、错误值、细化类型和内容链接等信息。

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Spec status

The 3D Tiles spec is pre-1.0 (indicated by "version": "0.0" in tileset.json). We expect a draft 1.0 version and the Cesium implementation to stabilize in 2017。

Draft 1.0 Plans

Topic	Status
tileset.json The tileset's spatial hierarchy 瓦片集的空间层次	✅ Solid base, will add features as needed
Batched 3D Model (*.b3dm) Textured terrain and surfaces, 3D building exteriors and interiors, massive models, ... 纹理地形和表面，3D建筑物外部和内部，海量模型...	✅ Solid base, only minor, if any, changes expected
Instanced 3D Model (*.i3dm) Trees, windmills, bolts, ... 树木，直升机，螺栓，...	✅ Solid base, only minor, if any, changes expected
Point Cloud (*.pnts) Massive amount of points 点云	✅ Solid base, only minor, if any, changes expected
Vector Data (*.vctr) Polygons, polylines, and placemarks 面，线和地标	⚪️ In progress, #124
Composite (*.cmpt) Combine heterogeneous tile formats 兼容异构瓦片格式	✅ Solid base, only minor, if any, changes expected
Declarative Styling Style features using per-feature metadata	✅ Solid base, will add features/functions as needed,

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