Based on the theory of mathematical morphology,a series of morphologic transforming models were constructed to extract coordinate grid lines automatically from scanned mining maps in which the coordinate grid lines are perpendicular to each other and long enough in both horizontal and vertical directions.
依据数学形态学的基本理论，根据坐标格网线在矿图上沿水平和垂直方向均有足够的长度且相互垂直相交的特点，构造了一系列形态变换模型，用于从矿图扫描图像中提取坐标格网线。
Determination coordinate of intraocular lens power;
人工晶状体屈光度数检测坐标
General formula for calculating coordinate azimuth;
坐标方位角通用计算公式
Curve coordinate calculation of cloverleaf interchange in expressway;
高速公路A型双喇叭互通曲线坐标计算
Substituting adjustable parameters of machining cutter for the NC coordinates to machine special type of helicoid cutters;
增加调节参数代替联动坐标加工特种回转面刀具
Because there are many coordinates system in the long route engineering,which bring a lot of inconveniences for design and construction.
而长距离的线路勘测工程中不可避免地会出现多个坐标系,这也给设计和施工带来诸多不便。
Combined with the complex features of GPS coordinates calculation on gyrated line points on expressway and city overpass ramp,it introduces the calculating methods of gyrated line s transformation to alleviated curve.
结合高速公路和城市立交匝道上回旋线段任意点的GPS坐标计算的复杂性,详细地介绍了回旋线段转化为缓和曲线的计算方法,并通过工程实例进行了说明,以达到快速准确地计算回旋线段任意点的GPS坐标的目的。