The geomorphic information between the contours was filled by a combination ofinterpolation and extrapolation methods with good filling effects.
采用内插和外插相结合的方法填充等高线间的地貌信息，生成的三维地形效果较好。
2
The paper introduced the numerical control system of tool grinding machine operated by a cheap microprocessor, the interpolation algorithm of its plane contours, and related hardware as well.
介绍了廉价的微处理器刀具磨床数控系统，及其产生平面轮廓的插补算法，以及相关硬件。
3
The circular interpolation is widely used in NC manufacturing of curve contours.