A method of enhancing the precision of linear borderline measurement is proposed, and the highest precision that the limited density data sampling can reach is discussed.
提出了在有限密度采样下提高对直线边界的检测精度的方法以及有限密度数据采样网所能达到的最高精度。
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In addition, specific case was resolved during the procedure of the buffer creation, and recursion method was adopted to manage and store the self-intersected polygons of the buffer's borderline.
A method of distinguishing watershed borderline, of ascertaining water flow direction on a slope, and of calculating watershed parameters with digital elevation model is introduced and discussed.