WH-MSDM: A W-Hilbert Curve-Based Multiscale Data Model for Spatial Indexing and Management of 3D Geological Blocks in Digital Earth Applications. - Chen, Genshen; Liu, Gang; Wu, Jiongqi; Dong, Yang; Zhang, Zhiting; Zeng, Xiangwu; Xiong, Junping (Applied Sciences (2076-3417), 2025)