trip generation is a major step in four-step transportation demand analysis.

generally speaking, a truck model includes three submodels of trip generation, trip distribution, and trip assignment.

卡车模型一般由出行发生、出行分布和出行分配这三个子模型组成。

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trip generation takes the distance into account, adds accessibility variable into the regression model.

交通出行生成预测阶段考虑了居民出行的距离因素，回归模型中加入了可达性变量。

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effect of resin tapping on pinus elliottii forest growth and economic benefit

采脂对湿地松林分生长和经济效益的影响

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radical tracheid characteristics of pinus massoniana for resin tapping

采脂用马尾松径向管胞形态特征的研究

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in the paper, the key techniques of the realistic shoe design and its implementation are presented, including those on 3d shoe last construction, shoe pieces creation, pieces flatting, sewing modeling between pieces, texture mapping and bump mapping controlled by bump image.

提出并实现了鞋样真实感设计的关键技术与方法，包括鞋楦三维模型的重构、鞋样的分片与展平、样片间缝合造型、纹理映射及基于控制图的凸凹纹理生成。

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the bump mapping image that generated by this improved algorithm has a real three-dimensional configuration. the improved algorithm has the fast process speed and less spending and can be applied to develop computer virtual reality, computer drawing and computer animation program.

使用该改进算法产生出的凹凸贴图图像具有较真实的三维形态，而且速度快，开销小，可以应用在开发各种计算机虚拟现实、计算机绘图、动画程序中。

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the display and interpretation of different type of seismic data is implemented by plug-in. on this basis we solve some practical problems, such as large-scale data management, transfer function, volume clipping and bump mapping.

该系统以插件的方式实现对各类地震数据的显示和解释，并在此基础上解决大规模数据管理、传递函数、数据裁剪、凹凸贴图等实际问题。

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based on sinusoidal function modulated potential ( smp) maps, this paper presents a new algorithm for displaying planar magnetic fields using the concept of flux tubes and bump mapping.

本文在正弦函数调制的灰度位势图的基础上，利用磁通量管和凹凸映射的概念，提出了一种用于显示磁场的光照明模型。

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moreover, by introducing bump mapping and multi-pass rendering technology, the method is able to simulate linear and non-linear len distortion, enhancing the reality of simulations.

同时通过引入凹凸纹理映射和多次渲染技术，实现了对摄像机镜头线形畸变和非线性畸变的模拟，提高了仿真的真实度。

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first of all, the common color texture mapping, anti-aliasing technology and multitexture mapping which are the foundation of realizing bump mapping are introduced.

本文首先介绍了普通的颜色纹理映射技术，反走样技术和多重纹理映射技术，它们是实现凹凸纹理映射技术的基础。

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with the algorithm of emboss bump mapping, the bumped text texture is implemented and can substitute for text created by modeling.

运用浮雕凸凹纹理映射算法，实现具有凸凹感的文本纹理，可以替代真实的文本造型。

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this modification of the direction is referred to as perturbing the surface normals and is the basis of bump mapping.

方向的修改是参考去当作一个搅动的表面法线和基本的凹凸贴图。

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the woven pattern consists of different wool colors and bump mapping of woven surface, to adorn the surface.

编织图案由不同的绒线颜色和编织面凹凸纹理构成，点缀修饰面。

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implementation of multi-texture and bump mapping concavity and convexity in architectural design

多重纹理与凹凸映射技术的设计与实现

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implementation architecture of advanced shading and bump mapping

支持高级明暗处理和凸凹纹理映射的硬件体系结构

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principle of bump mapping and its implementation in opengl

bump mapping原理及在OpenGL下的实现

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it's very similar to bump mapping in that they both achieve the same effect.

要达到上图的效果，通过凹凸贴图也是很容易的事。

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finally, the paper presents experimental results with different levels of hardware acceleration based-on real-time bump mapping rendering.

通过凹凸纹理的实时绘制，给出了不同硬件加速模式下的实现结果。

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based on the principle of virtual displacement, the mapping relation between the original error of a planar mechanism and its output end pose error is analyzed.

利用虚位移原理，讨论了平面机构原始误差与输出端位姿误差间的映射关系；

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"bamboo" simulation based on improvement fractal algorithm and displacement and texture mapping

基于改进分形算法和位移纹理映射的仿真竹的实现

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