In this paper, a drawing algorithm of contour lines with inner boundary constraints is obtained by the inner boundary curves of contour lines generated by using four-point method.
利用四点格式生成等值线图的内边界曲线，给出了带内边界约束条件的等值线图的绘制算法。
In 3d line drawing which has hidden lines displayed, a labeling method for imperfect line drawing aiming for searching external contour lines is described.
在画出隐藏线的立体线图中，阐述了以线图外轮廓线的确定为目标的不完整立体线图的标记方法。
By re-drawing the contour lines, possible Spaces to occupy appear, from the underground parking to the hanging planes of the studio.
设计开始于对场地地形的理解，通过重新勾勒线条，一些可能的空间慢慢出现，从地下停车空间到工作室的漂浮平面。
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