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Division of TIN_DDM topographic forms and continuous scale representation based on rolling ball transformation
ZHANG Zhiheng, DONG Jian, PENG Rencan, LU Yi, CHEN Qiu, ZHU Qiang
测绘学报 . 2020, (5): 644 -655 .  DOI: 10.11947/j.AGCS.2020.20180527