In this paper, the methods of drawing contour line from terrain map, the vector of contour line and generating elevation data from vector data are discussed.

论述了从地形图中提取等高线、对等高线矢量化以及通过矢量数据生成高程数据的实现方法。

And the preliminary design must complete design instruction booklet one, Sewage treatment plant total floor-plan, elevation chart, flow chart, main equipment drawing.

其中初步设计要完成设计说明书一份、污水处理厂总平面布置图一张、高程图一张，流程图一张，主要设备图一张。

This drawing shows the side elevation of that building.

这张图纸显示的是那座大楼的侧视图。

This drawing shows what the front elevation of the house will look like when it is built.

这张图显示这幢房子建成后正面的外观。