The Approximation from Ellipse and Spline to Polyline In Estate Surveying;
房产测量中椭圆和样条曲线的多段线逼近
It analyzed the application of Curve-Surface Modeling Technology in CAD/CAM,and described the characteristics of polyline and spline in AutoCAD.
分析了曲线曲面造型技术在CAD/CAM软件中的应用,探讨了AutoCAD中多义线和样条曲线的特性;对某电火花线切割设备不能接收某些DXF数据的现象提出了解决方案,通过线型的转换,实现了数据的传输,完成了数控加工。
According to the unwrap curves equation of the intersection of cylinder vessels opening for nozzles,smooth template curves for both opening and nozzle are plotted with the aid of cubic splines.
根据圆筒容器开口接管相贯线平面展开线方程,利用VBA对AutoCAD进行二次开发,采用三次样条曲线,实现了圆筒容器开口接管雌、雄样板曲线的光滑绘制,并开发了相应的雌、雄样板放样软件。
Application of the cubic Bzier spline curve in garment pattern design;
三次Bzier样条曲线在服装纸样设计中的应用
Cloud elimination method in remote sensing image based on spline curve;
基于样条曲线的一种遥感图像去云方法
Study and realization of three dimensional character modeling system based on spline curve;
基于样条曲线的三维字造型系统的研究与实现
This paper introduces two methods for selecting proper ways to fit curves using listing discrete points according to actual needs and the smooth join between curves have been realized by using spline as transition.
本文介绍了两种方法,对列表离散点,根据实际需要来选取拟合方法生成曲线,并以样条线为过渡实现曲线间的平滑拼接。
On the basis of the problem of drawing intersecting lines in engineering design with computer drawing software, this paper brings forward the use of the spline function and formula curve function by computer drawing software and the method of drawing intersecting lines.
根据工程设计中经常遇到绘制零件表面相贯线的问题,提出应用计算机绘图软件的样条线功能和公式曲线功能绘制相贯线的方法,为工程设计绘制相贯线提供了绘图依据。
Based on Autodesk Inventor Professional 2009,the paper introduces some basal methods to control and edit the spline,such as geometric constrains, dimensional constraint,changing and restricting the parameter of control points, increasing or reducing the control points, fitting curve, changing the tensity of curve etc.
Inventor中的样条线可以作为截面轮廓、扫掠路径、放样特征的轨道,它在计算机辅助设计与制造中十分关键。
After analyzing profoundly the function and its DXF group codes of various kind of spline curves in AutoCAD software as well as programming verification based on object ARX development environment, this paper finally reversed their developing technique and mathematic models of biarc spline, B-spline and NURBS(non-uniform rational B-spline) curve in AutoCAD software.
通过对AutoCAD软件中各类样条曲线的功能及其DXF组码深入分析,并用object ARX二次开发环境进行编程验算,反求出了AutoCAD中的双圆弧样条曲线、NURBS样条曲线以及B样条曲线的具体实现技术及数学模型,并对AutoCAD环境下各类样条曲线的数控加工编程进行了讨论。
Based on the divisibility of Bézier curves,the paper provides a generating algorithm of spline curves and further promotes the algorithm to the spline curves of the kind by means of the transformation matrix of spline curves.
基于B啨ｚｉｅｒ曲线的可分割性 ,给出样条曲线的一种生成算法 ,利用样条曲线的变换矩阵 ,进而将此算法推广至样条曲线
NURBS (Non-Uniform Rational B-Splines)
不均匀有理B样条曲线
Study of Data Reduction of B-spline Curves and Disk B-spline Curves;
B样条曲线和圆域B样条曲线数据缩减的研究
Curvature monotony condition Tor the quadratic rational B spline curves.
二次有理B样条曲线曲率单调条件
B Spline Curve and Surface Reconstruction Based on Genetic Algorithm;
基于遗传算法的B样条曲线曲面重建
Research on NUAT B-spline Curve and Surface Interpolation;
NUAT B样条曲线曲面的插值研究
Uniform duplicate mixed hyperbolic polynomial B-spline curves
均匀二重混合双曲多项式B样条曲线
A Class of Spline Curve with Given Tangent Polygon
一类带有给定切线多边形的样条曲线
B-spline Curve and Surface Reconstruction under Geometric Constraint;
几何约束条件下的B样条曲线曲面重构
NURB surfaces
NURBS(非一致有理B样条曲线)
IK Spline Handle Tool
反向动力学样条曲线句柄工具
Realization Cubic B-spline Curve Interpolation Based on DSP;
基于DSP的三次B样条曲线插补的实现
Algorithms for Inserting Knots into ECT B Spline Curves;
ECT B样条曲线的节点插入算法
The Program of Visual Basic for Thrice Spline Interpolatory;
三次样条曲线的Visual Basic程序设计
Research and Applictaion of B-spline Curves' Knot Insertion Algorithm
B样条曲线节点插入算法研究及应用
Theory and Application of Low Degree Variable Degree Splines
低次变次数样条曲线的理论及其应用
Closed Adjustable Spline Curve with Given Tangent Polygon
与给定多边形相切的可调闭样条曲线
Research on fairing and approximation algorithm of C-B spline curves
C-B样条曲线的光顺逼近算法研究
Elevation Algorithm for a Class of Trigonometric Polynomial Spline Curves
一类三角多项式样条曲线的升阶算法