高程控制点
ɡāo chénɡ kònɡ zhì diǎn
- 名Elevation control point;vertical control point
高程控制点-
我们从高程控制点中提取高程数据，利用规则矩形网格模型实现了三维地貌的显示。
We drew out the elevation data from elevation control points , and made use of the regular square grid to display three-dimensional terrain .
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传统的测量方法是使用水准仪或GPS配合尺杆将绝对高程值由陆域高程控制点传递到水下待测点。
Conventional method is that using level together with leveling rod , or utilizing Global Positioning System combined with leveling rod to pass the absolute elevation reading from on land control points to points underwater .