Due to the massive data volume of 3D content which consumes significant machine resources, preprocessing operations are essential to enhance overall application performance. This preprocessing involves creating multi-level tiles for image data, terrain data, and 3D models. For instance, image data preprocessing simplifies original data into a collection of images at varying resolutions. Through resampling methods, multiple resolution layers are established with each layer segmented for storage and equipped with spatial index mechanisms, thereby improving display speed during zooming operations. This process of generating hierarchical tiles for imagery, terrain, or model data is referred to as 3D tiles generation.
The following sections explain tile generation rules for image data, terrain data, and model data, along with directory structure specifications.
Content Summary:
First Level: Tile Root Directory
Second Level: Tile Layer Directory
Fundamentals of Other Hierarchy Structures
Related Topics:
Terrain Tile Generation Example