| 1. | Some different method is used to fulfill the bezier and nurbs surface fitting 采用不同的方法实现b zier和nurbs曲面拟合。 |
| 2. | This thesis studies the problems of geometric continuity in nurbs surfaces reconstruction 本文研究nurbs曲面重构中的几何连续性问题。 |
| 3. | These results are more useful to improve the smoothness of nurbs models 这些结果对我们改进工程中所使用的nurbs曲面模型有着重要的指导意义。 |
| 4. | The main algorithms are applied in the practical system - and received sound effects 本文中的重要算法都在ug平台nurbs曲面处理模块的开发中得到应用,并获得了满意的效果。 |
| 5. | Secondly , the genetic algorithm is employed to calculate the minimum distance between two general nurbs surfaces 然后,运用遗传算法给出了任意两张nurbs曲面之间最短距离的求解。 |
| 6. | Most importantly , it brings together all these techniques in an effective procedure automatically reconstruct nurbs surfaces of arbitrary topological type 重要的是,本文集成了这些方案,自动重构了具有任意拓扑结构的nurbs曲面。 |
| 7. | In this paper we also present a procedure for automatically reconstructing a nurbs surface of arbitrary topological type from an unorganized set of points 因此,针对具有任意拓扑形状的曲面,本文提出了从一组无序点自动重构具有任意拓扑结构nurbs曲面的方法。 |
| 8. | Since a single nurbs patch can only represent surfaces of simple topological type , a complex product surface must be defined as a network of nurbs patchs 由于单片nurbs样条曲面仅能表示简单拓扑结构的曲面,一个复杂产品型面必须被定义为一组nurbs曲面片网格集合。 |
| 9. | The object ' s surface often possesses some particular continuities , so it is indispensable to be able to control the desired continuities between adjacent nurbs patches 物体的表面一般都具有一定的光滑性,因此拟合小曲面片的这些nurbs曲面之间就必须达到一定程度的光滑连接。 |
| 10. | The problems on parameterization of implicit algebraic surfaces and inversion of parametric surfaces are discussed and the inversion equations for some nurbs surfaces are derived in detail 探讨隐式曲面参数化及cad超曲面重构技术研究及其应用参数曲面反演问题,具体导出了一些nurbs曲面的反演方程。 |