[1] Wang Tao, Wu Hehai, Liu Jiping. An Algorithm for Extracting Contour Lines Based on Interval Tree from Grid DEM[J].Geomatics and Information Science of Wuhan University, 2007, 32(2): 131-134(王涛, 毋河海, 刘纪平. 基于区间树索引的等高线提取算法[J]. 武汉大学学报·信息科学版, 2007, 32(2):131-134) [2] Yang Xiaoqin. The Research of Contour Line Generating Algorithm[D]. Taiyuan: Taiyuan University of Technology, 2004(杨晓琴. 等高线生成算法的研究[D]. 太原: 太原理工大学, 2004) [3] Van Kreveld M. Efficient Methods for Isoline Extraction from a TIN[J]. International Journal of GIS, 1996, 10(5): 523-540 [4] Dupont F, Deseqhgny M P, Gonfran M. Automatic Interpretation of Contour Lines by Using External Data[C].The 4th IEEE Workshop on Applications of Computer Vision, Los Alamitos, California, 1998 [5] Chai J, Miyoshi T, Nakama E. Contour Interpolation and Surface Reconstruction of Smooth Terrain Models[C].The Visualization, Los Alamios, California, 1998 [6] Gong Youliang, He Yuhua, Fu Zi'ao, et al. A Practical Contour Interpolation Algorithm[J]. Journal of Institute of Surveying and Mapping, 2002, 19(1): 36-37(龚有亮, 何玉华, 付子傲, 等. 一种实用的等高线内插算法[J]. 测绘学院学报, 2002, 19(1):36-37) [7] Jiang Bo. A New Idea for Counter Interpolation[J]. Bulletin of Science and Technology, 2010, 26(5): 780-781(姜波. 一种等高线内插的新思路[J]. 科技通报, 2010, 26(5):780-781) [8] Su Guangjun. A Contour Tracking Algorithm Based on Regular Grid[J]. China Science and Technology Review, 2010(32):78-79 (苏广军. 基于规则格网的地图等高线快速追踪算法[J]. 中国科技博览, 2010(32):78-79) [9] Xu Jianxin, Xu Dibao, Duan Yuqing. A Study on the Model of Contour Interpolation[J]. Jiangsu Surveying and Mapping, 2000, 23(4): 31-33(徐建新, 徐地保, 段玉清. 等高线内插数学模型的探讨[J]. 江苏测绘, 2000, 23(4):31-33) [10] Zeng Ling. Design and Implement of Automatic Inside-insert Algorithm of Map Contour Line[J]. Shanxi Architecture, 2004, 30(18): 239-240(曾玲. 地图等高线自动内插算法的设计与实现[J]. 山西建筑, 2004, 30(18):239-240) [11] Yang Zuqiao, Li Hongsheng, Zhang Qing. Progressive Simplification Methods of Contour Line Group Constrainted by Topographic Feature[J]. Geomatics and Information Science of Wuhan University, 2013, 38(4): 480-483(杨族桥, 李红省, 张青. 地形特征约束的等高线群渐进式简化方法[J]. 武汉大学学报·信息科学版, 2013, 38(4):480-483) [12] Huang Peizhi. A New Method for Extracting Terrain Feature Lines from Digitized Terrain Data[J]. Geomatics and Information Science of Wuhan University, 2001, 26(3): 247-251(黄培之. 提取山脊线和山谷线的一种新方法[J]. 武汉大学学报·信息科学版, 2001, 26(3):247-251) [13] Guo Qingsheng, Yang Zuqiao, Feng Ke. Extracting Topographic Characteristic Line from Contours[J]. Geomatics and Information Science of Wuhan University, 2008, 33(3): 253-257(郭庆胜, 杨族桥, 冯科. 基于等高线提取地形特征线的研究[J]. 武汉大学学报·信息科学版, 2008, 33(3):253-257) [14] Li Hongyu, Tang Shihua, Li Jingwen, et al. An Automatic Method for Contour Interpolation Using ObjectARX Program[J]. Hydrographic Surveying and Charting, 2004, 24(3): 52-54(李洪玉, 唐诗华, 李景文, 等. 在CAD中实现等高线自动内插的一种方法[J]. 海洋测绘, 2004, 24(3):52-54) [15] Zhai Renjian, Wu Fang, Zhu Li, et al. Line Simplification Method Based on Geographic-Feature Constraint[J]. Geomatics and Information Science of Wuhan University, 2009, 34(9): 1 021-1 025(翟仁健, 武芳, 朱丽, 等. 利用地理特征约束进行曲线化简[J]. 武汉大学学报·信息科学版, 2009, 34(9):1 021-1 025) [16] Ying Shen, Li Lin. Consistent Line Simplification Based on Constraint Points[J]. Geomatics and Information Science of Wuhan University, 2003, 28(4): 488-491(应申, 李霖. 基于约束点的曲线一致性化简[J]. 武汉大学学报·信息科学版, 2003, 28(4):488-491) [17] Hu Weiming, Wu Bing, Ling Haibin. An Automatic Method for Contour Interpolation in Map Design[J]. Chinese J Computers, 2000, 23(8): 847-851(胡卫明, 吴兵, 凌海滨. 地图等高线自动内插算法[J]. 计算机学报, 2000, 23(8):847-851)