新职业英语艺术设计英语Unit.ppt
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1、,艺术设计英语,ENGLISH FOR CAREERS,Unit 4Design Development,新职业英语,深圳职业技术学院应用外国语学院,Unit 4 Design Development,Warming-up,Reading A,Listening,Speaking,4,1,2,3,Reading B,5,Writing,6,Project,7,Vocabulary and Structure,8,Self-evaluation,9,Grammar,10,Task 1,Task 2,Unit 4 Design Development,Morgan,a designer,is in
2、volved in the following activities to finalize a rendering.Match each situation with its corresponding picture and explain to your partner.,Task 1,Unit 4 Design Development,Unit 4 Design Development,C,D,A,B,Complete the sentences with the terms given below.,Task 2,Unit 4 Design Development,_is the c
3、ontinuation and improvement of a design solution.2._,or design-for-manufacture,is the stage at which the necessary engineering is done for the designed product.3.A _is a 2D visual illustration of a product.4._is used to develop photorealistic renderings.5._is the process of producing an image based
4、on 3D data stored within a computer.,Design Development,Detail design,product rendering,3D rendering,Computer-aided design,Reading A,Text,Task 1,Task 2,Task 3,Task 4,Background Information,Unit 4 Design Development,1.Usage of renderingWhen the pre-image(a wireframe sketch usually)is complete,renderi
5、ng is used,which adds in bitmap textures or procedural textures,lights,bump mapping,and relative position to other objects.The result is a completed image the consumer or intended viewer sees.For movie animations,several images(frames)must be rendered,and stitched together in a program capable of ma
6、king an animation of this sort.Most 3D image editing programs can do this.2.Raster graphicsIn computer graphics,a raster graphics image or bitmap is a data structure representing a generally rectangular grid of pixels,or points of color,viewable via a monitor,paper,or other display medium.Raster ima
7、ges are stored in image files with varying formats.,Unit 4 Design Development,3.PixelAs the short form for Picture Element,a pixel is a single point in a graphic image.In digital imaging,a pixel is the smallest item of information in an image.Pixels are normally arranged in a 2-dimensional grid,and
8、are often represented using dots,squares or rectangles.Each pixel is a sample of an original image,where more samples typically provide more accurate representations of the original.The intensity of each pixel is variable;in color systems,each pixel has typically three or fourcomponents such as red,
9、green and blue,or cyan,magenta,yellow and black.,Unit 4 Design Development,Reading A,Task 1,Imagine you are a car designer.Which of the following pictures would you show to your client to sell your design?What method can you use to create the picture on the right?,Unit 4 Design Development,Rendering
10、,Rendering is the process of generating an image from a model by means of computer programs.In this case,the model is a description of three-dimensional objects in a strictly defined language or data structure.It contains geometry,viewpoint,texture,lighting,and shading information.The image is a dig
11、ital image or raster graphics image.Because the image is analogous to an“artists rendering”of a scene,the term“rendering”is also used to describe the process of calculating effects in a video editing file to produce final video output.,Reading A,Unit 4 Design Development,Rendering is one of the majo
12、r sub-topics of 3D computer graphics,and in practice is always connected to the others.In the graphics pipeline,it is the last major step,giving the final appearance to the models and animation.With the increasing sophistication of computer graphics from the 1970s onward,it has become a more distinc
13、t subject.Today,many image-based modeling and rendering techniques are used to provide photo-realistic images in architecture,video games,simulators,movie and TV special effects,and in design visualization.,Reading A,Unit 4 Design Development,A wide variety of renderers are available now.The rendere
14、r is a computer program using one or a range of the different rendering features and techniques currently available.Some renderers are integrated into larger modeling and animation packages,some are stand-alone,and some are free open-source projects.Each uses a selective mixture of discipline relate
15、d to light physics,visual perception,mathematics,and software development.,Reading A,Unit 4 Design Development,In the case of 3D graphics,rendering may be done slowly,as in pre-rendering or in real time.Pre-rendering is a computationally intensive process that is typically used for movie creation,wh
16、ile real-time rendering is often done for 3D video games which rely on the use of graphics cards with 3D hardware accelerators.Rendering sometimes takes a long time,even on very fast computers.This is because the software is essentially“photographing”each pixel of the image,and the calculation of th
17、e color of just one pixel can involve a great deal of calculation,tracing rays of light as they would bounce around the 3D scene.,Reading A,Unit 4 Design Development,效果图绘制是通过电脑程序将模型生成图像的过程。此处模型是指依照严格定义的语言或者数据结构对于三维物体的描述,包括几何、角度、纹理、阴暗分布及阴影信息;图像有数字图像或位图图像之分。鉴于效果图类似于艺术家对景色的渲染,该术语也会用于描述计算视频编辑文件中累加效果以生成最
18、终视频输出的过程。,效 果 图,Unit 4 Design Development,效果图是计算机三维制图法中最重要的研究子课题之一,在实践中往往与其他子课题密切相关。在制图过程中,效果图是最后的重要一步,因为它将模型或动画的最终效果显示出来。自20 世纪70 年代起,计算机制图法日趋复杂,效果图制作已成为一门更加独特的学科。如今,许多基于图像的建模及效果图制作技术已广泛运用于建筑、视频游戏、模拟装置、影视特效及设计可视化等领域,以绘制具有照片般真实感的图像。,Unit 4 Design Development,现有的效果图绘制软件种类繁多。它是一种利用现有的一种或一系列不同的效果图会制特色和
19、技术的计算机程序。有些效果图绘制软件集成于更大的建模和动画软件包里,有些是独立产品,还有一些是免费的开放源代码程序。每种软件都选择性地给合了光学、视觉感知、数学以及软件开发等学科。,Unit 4 Design Development,就三维制图而言,制作预渲染或实时效果图速度都很慢。预渲染技术是一种密集使用计算机的进程,主要用于电影制作;实时效果图常用于三维视频游戏,这种游戏主要依赖于带有三维硬件加速器的图形卡。即使在运行速度很快的电脑上制作效果图,有时也需要花费很长的时间,这是因为软件从本质上说是在“拍摄”图像的每个像素,而单是每个像素的颜色就需要大量的运算,因为它们取决于在三维场景里不断反
20、射的光线。,Unit 4 Design Development,calculate,e.g.1.The students were asked to calculate the velocity of light.要求学生计算出光的速度。2.Let me calculate the cost of the journey.让我计算一下旅途的用费。,v.计算,推算,估计,Reading A,Unit 4 Design Development,onward,e.g.1.The ship sailed onward.船向前航行。2.From July onward I did not accept
21、any invitations.自七月起,在战争期间,我不接受任何邀宴。,adv.向前地,前进地,Reading A,Unit 4 Design Development,distinct,e.g.1.The twins had distinct tastes.这两个双胞胎嗜好不同。2.He has a distinct gift for drawing.他有很明显的绘画天赋。,adj.清楚的,清晰的,明显的,Reading A,Unit 4 Design Development,selective,e.g.1.Is French required or selective?法语是必修课还是选修
22、课?2.Im very selective about the people I associate with.我与他人来往极慎重,不滥交。,adj.选择的,选择性的,Reading A,Unit 4 Design Development,visual,e.g.1.Her designs have a strong visual appeal.她的设计在视觉上很有感染力。2.The hotel offers audio-visual equipment for hire.该饭店经营对外出租视听设备的业务。,adj.视觉的,用于视觉的,Reading A,Unit 4 Design Develo
23、pment,intensive,e.g.1.They teach you English in an intensive course lasting just a week;its quite an intensive few days!他们用一周时间教速成英语课程,那几天可真紧张!2.Intensive care in hospitals is given to the seriously ill.在医院里危重病人得到悉心护理/加强护理。,adj.集中的,密集的,Reading A,Unit 4 Design Development,rely on,e.g.1.You cant rely
24、on him for assistance.你不能依靠他的帮助。2.Now(that)you are grown up,you should not rely on your parents.既然你长大了,就不应该依靠你的父母。,v.依靠,依赖,Reading A,Unit 4 Design Development,bounce,e.g.1.Dont bounce on the bed youll break the springs!别在床上乱蹦你要把弹簧弄断了!2.I thought once I got a job things would bounce back.我原以为我一旦获得工作,
25、情况就会恢复原样。,v.弹回,弹跳,Reading A,Unit 4 Design Development,Reading A,Find supporting details from the passage for the following ideas about rendering.,Task 2,Rendering is the process of generating an image from a model by means of computer programs.,Since the 1970s,it has become a more distinct subject.T
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