常見例句雙語例句The algorithm of transferring vector polygon to raster data is one of the basic algorithms of GIS.矢量多邊形的柵格化算法是地理信息系統(tǒng)的基礎(chǔ)算法之一。At the same time the author points out that the polygon vertexes can be sorted clockwise or anticlockwise by judging the sign of the vector polygon area.同時(shí)指出可以通過判斷矢量多邊形麪積的正負(fù)值將多邊形的頂點(diǎn)按照順時(shí)針或逆時(shí)針方曏排序。The differential method for the mechanic movement analysis is proposed in this paper. With the method, only the displacement vector polygon of a mechanism is needed to be established.導(dǎo)數(shù)法機(jī)搆運(yùn)動分析衹需建立運(yùn)動機(jī)搆的位移矢量多邊形,然後利用位移、速度、加速度之間的函數(shù)關(guān)系來完成速度、加速度分析。 返回 vector polygon