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
Acta Geodaetica et Cartographica Sinica . 2020, (5): 644 -655 .  DOI: 10.11947/j.AGCS.2020.20180527