走样

The reasons for the aliasing problem had been analyzed and some methods had been given to avoid this problem.

对于走样问题，本文分析了产生走样现象的原因，提出了多种解决办法。

No matter how good the implementation of a policy on aliasing.

无论多么好的政策执行一会就走样。

How can I render to a texture and make use of Anti Aliasing?

我怎么样才能绘制到一张纹理上，并且用上反走样？

To build high quality scene, we should optimize the scene data and deal with the problem of aliasing.

场景数据优化技术和走样问题处理是建造高质量场景的核心问题。

But it is worth reminding that the attention should be paid to the central macro-control policies at the local aliasing.

但值得提醒说，应注意中央宏观调控政策在地方走样。

This paper introduces a kind of graph anti-aliasing algorithm and it s implement by hardware.

中文摘要：本文研究的主要内容是图形的反走样算法及其硬件模型研究。

Based on the summarizing of the exiting algorithms of the texture mapping and antialiasing, this paper goes deeply into the basic theory and processing of texture mapping. The texture compress algorithm which can satisfy the need of the memory and time is given for the stochastic sampling in the inverse texture mapping; the geometry transformation in the texture mapping are discussed and the concepts of the unitary parametrization and the patch parametrization is proposed, some kinds of the unitary parametrization methods of parametric surfaces and the geometry transformation in the patch parametrization are also presented; in order to solve the aliasing in the parametrization of intermediate surface-sphere in two-part texture mapping, an area-preserving transformation is presented also; to improve the quality of the graph the aliasing in the texture mapping is analyzed from the aspect of signal process, and the modified summed-area tables algorithms is proposed; the distortion of the scanline conversion algorithms under perspective transformation is analyzed and the proper interpolation algorithm is presented so the aliasing problem of the polyhedral object after the unitary parametrization is efficiently solved.

本文在总结现有的纹理映射和反走样算法的基础上，深入研究了纹理映射的基本原理与过程，根据反向纹理映射对纹理随机采样的特殊要求，提出了一种可满足存储空间和寻址时间的纹理压缩存储算法；通过对纹理映射中几何变换理论的进一步深入探讨，提出了整体参数化和面片参数化的概念，并给出了参数化曲面的各种整体参数化方法和面片参数化的几何变换形式；针对现有的两步映射算法所存在的中间曲面—球面的参数化问题，提出一种等积映射方法，较好地实现了由非参数化面片拼接而成的多面体表面的纹理映射；从信号采样的角度深入分析了纹理映射中走样产生的原因，提出了改进的区域求和表算法，使图形生成的效果有所提高；还分析了一般的扫描线算法在透视变换中所存在的问题，提出了一种正确的插值算法，从而解决了整体参数化后多面体表面纹理映射的几何变形问题。

With the development of computer and graphics technology, the advanced dashboard of an aircraft has brought about a great challenge to the quality of the graphics.Based on the cause of the aliasing, the thesis below puts forward a new method using Gaussian Integration to get rid of it and offers detailed mathematical deduction as well. Furthermore, the practical generation of rhumb lines has proved the effectiveness of the new method

随着计算机及图形学技术的发展，座舱仪表对图形显示的质量提出了更高的要求，本文主要从图形走样产生的根本原因出发，提出利用高斯积分法来消除走样现象，且给出了较详细的数学推导，并将此算法应用于罗盘刻度线的生成，效果比较明显。

The algorithm has some problems, such as bias problem, aliasing problem and one problem that affects none-shade part of image and is caused by Gaussian blur. To solve these problems, this paper makes some improvement on the algorithm. Firstly, it uses the Woos average depth principle and PCF algorithm to solving bias problem and aliasing problem; secondly, it designs and implements an effective method to control the range of blur; thirdly, it adapts any size texture to story information. This method for keeping information plays important part on raising realistic graphic; fourthly, it takes use of the technology of programmable graphics hardware and the method of FBO to improve efficiency of algorithm.

由于基于高斯模糊的阴影算法存在阴影走样、量化误差和高斯模糊影响非阴影部分图像等问题，因此本文从以下几个方面对算法进行了改进：第一，在算法中添加了woo的平均深度值原理和PCF算法，改善了量化误差和阴影走样问题；第二，设计并实现了一种方法，有效地控制了高斯模糊的范围，提高了三维图形的真实感；第三，使用任意大小的纹理进行存储，提高了阴影的真实感；第四，通过可编程图形硬件技术的应用，提高了算法的运行速度。

Based on Bresenham's algorithm,the thesis gives a fast technique for drawing anti-aliased straight line according to the symmetry of the straight line, dissertates the arithmetic of antialiasing the compass small character and offers the program of the compass picture.

本文基于Bresenham算法，依据直线的对称生成原理，提出了一种新的直线快速反走样技术，对罗盘字符的反走样算法做了进一步的论述，编制了全罗盘画面的程序。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。