Development of Submarine Isobath Automatically Drawing System
(0) Traditional isobath is drawn manually by prospecting workers according to field survey data,which is inefficient And isobath generated is very rough. In order to improve utilization efficiency of massive seabed terrain data and to convert the original DEM data to high quality isobaths quickly and accurately,a submarine isobath automatically drawing system (called TD-builder) was developed in this paper based on Visual C++. Using interpolation spline curve to smooth isobaths,the system realizes automatic conversion of original standard DEM data to isobaths. A complete system which is low cost and efficient formed finally. Isobath generated from the system is not only high accurate but also very smooth,to achieve the requirement of special charts compilation. In addition,the seabed terrain can be made qualitative and quantitative analysis by querying isobath information from the system.
chart production, seabed DEM2 interpolation spline curve3 isobath smoothing4 automatically drawings
Liu Donghai Li Bingyang Zheng Jiang
School of Civil Engineering,Tianjin University,Tianjin 300072,China
国际会议
南宁
英文
218-222
2010-12-10（万方平台首次上网日期，不代表论文的发表时间）