1) imitated cylinder
拟柱体
1.
In the algorithm,unitcubes of Marching Cubes generalalgorithm are replaced by imitated cylinders,and the data of isosurface generated by the algorithm are corrected by earth curvature before showing with OpenGL.
该算法将March Cubes常规算法中的单位正立方体构建转换为直接对回波极坐标数据的拟柱体构建,生成相应的等值三角面,并对三角面顶点数据进行地曲订正,供OpenGL显示。
2) cylinder fitting
圆柱拟合
1.
To improve the precision of cylinder fitting,aiming at the trait of ancient building emulation,a robust cylinder fitting method was put forward,which at first got initial cylinder parameter values by Gauss image,then fit cylinder by nonlinear least squares for parameterized distance function.
圆柱状构件广泛存在于古建筑仿真中,为了提高古建筑深度图像圆柱拟合的精度,针对古建筑仿真3维建模的特点,提出基于高斯图获取圆柱拟合参数初始值,然后利用圆柱距离函数参数化法进行非线性最小二乘拟合的圆柱拟合方法。
2.
To improve the precision of cylinder fitting ,aiming at the trait of ancient building emulation, a robust cylinder fitting method is put forward, which at first gets initial cylinder parameter values by Gauss Image, then fits cylinder by Nonlinear Least Squares for parameterized distance function.
圆柱状构件广泛存在于古建筑仿真中,为了提高古建筑深度图像圆柱拟合的精度,针对古建筑仿真三维建模的特点,提出基于高斯图获取圆柱拟合参数初始值,然后利用圆柱距离函数参数化法进行非线性最小二乘拟合的圆柱拟合方法。
3) short pile simulation
短柱模拟
5) analogous column transfer
拟托换柱
6) reference cylinder
拟准圆柱
1.
In this paper, a new concept of the reference cylinder of ZK worm is presented on the basis of the established equation of profile of ZK worm.
在推导了曲纹面蜗杆齿面方程的基础上,提出了曲纹面蜗杆拟准圆柱的新概念,研究了拟准圆柱的横截面半径随加工工艺参数的变化规律,并且通过实验得到了验证。
补充资料:拟柱体
所有顶点都在两个平行平面内的多面体。两个互相平行的面称为拟柱体的底面,其余的面称为拟柱体的侧面,两个底面之间的距离称为拟柱体的高。设拟柱体的上、下底面和中截面面积分别为q1、q2、q0,高为h,则其体积v=16h(q1+4q0+q2)。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条