矢量图形的艺术特征

随着FlashⅢustrater Coreldraw等为代表的矢量图形绘图软件出现,其强大的制作与处理功能促进了矢量图形创作的繁荣。线条简单洗练、色调轻松明快、造型逼真夸张、唯美的艺术情趣、平面化的造型,给人以强烈的视觉冲击,以其鲜明的艺术特征受到年轻一代的推崇与青睐;同时矢量图形强大的处理功能也把艺术家从繁重的绘制制作过程中解放出来,专注于艺术的构思及矢量图形的布局上。     

矢量绘图软件CorelDraw添加汉字输入

CorelDraw是Corel公司推出的运行在Windows环境下的矢量图形图象制作软件。它有强大的图形图象制作功能,有着丰富的工具箱和菜单,可交互地完成图形图象的制作、变换、打印等。它的图形图象文件格式可与其他图形图象制作软件的格式进行交换,如:AUTOCAD的DXF格式,位图文件的PCX和TIF、     

基于CorelDraw的特效文字排版

一、引言随着网络办公的发展和普及,传统的Word和Wps等普通的艺术字效果和特效文字排版亦不能适应人们的审美要求,而Phtoshop等以位图图像为主的图像处理软件虽然能做出更好的特效效果,但不仅操作复杂,文件尺寸也较大,相比之下CorelDraw,以其矢量图形绘制的强大功能和便捷操作在广告     

SVG应用中的图层处理算法

目前点阵图像依然是Web环境下表现图形的主要方式,由于其固有的弱点,难以满足实际应用需要.而少量的几种能够在Web环境下表现矢量图形的软件也存在着通用性差、可维护性差、开放性差等问题,不利于推广应用.基于SvG(scalable vector graphics)规范,构建具有多图层描述能力和开放式特征的矢量图形数据结构,设计并实现能够识别多层次结构的矢量图形变换算法,是解决Web环境下复杂图形处理任务的可行途径.利用G元素的可嵌套容器性质构建了支持多图层/图块的矢量图形数据结构;依托图形对象拾取与对象属性控制机制设计了图形对象的变换算法,据此通过脚本语言和DOM(document object model)编程实现了支持多图层结构的矢量图形表现与变换功能的方法.     

Flash矢量图形输入的新方法

Flash是美国Macromedia公司出品的针对矢量图形编辑和动画创作的专业软件,目前,它已经升级到Flash 4.0版本,功能十分强大。正是因为它采用了矢量图形编辑制作,使得Flash输出的电影动画(＊.swf)具有文件小、效果好、图像细腻、对网络带宽要求低以及可无损放大等诸多优点,从而,深受广大电脑动画设计者和网页设计者的喜爱。 但是,用过Flash的人都知道,Flash中矢量图形的输入是最让人头疼的事情。当然,用户可以用CorelDraw等软件来绘制矢量图形,细心的朋友也可以利用     

flash矢量图形输入新方法

flash是美国Macromedia公司出品的针对于矢量图形编辑和动画创作的专业软件,目前已经升级到flash4.0版本,功能十分强大。正是因为它采用了矢量图形编辑制作,使得flash输出的电影动画(*.swf)具有文件小、效果细腻、网络带宽要求低,可无损放大等诸多优点,深受广大电脑动画设计者和网页设计者的喜爱。     

Flash使用技巧小集

Flash是美国MACROMEDIA公司出品的矢量图形编辑和动画创作的专业软件,主要应用于网页设计和多媒体创作等领域,功能十分强大和独特,已成为交互式矢量动画的标准,在网页上十分流行。目前,Flash广泛应用于网页动画制作、教学动画的演示、网上购物、     

浅析在数字媒体艺术下的绘画造型语言

绘画造型语言是一种使用色彩、线条、形体等艺术语言,通过构图、明暗等艺术手段在平面空间(即二维空间)中创造能够表现作者追求的静态视觉形象的艺术。本文主要是从绘画造型语言的特点出发,来分析在数字媒体艺术下的绘画造型语言的一些新的特性。     

非真实感铅笔画艺术效果研究

改进了非真实感铅笔画艺术效果的绘制算法,利用图像分割、线积分卷积技术确定线条纹理的方向,模拟得到局部区域铅笔画的笔划纹理。采用轮廓线增强、灰度色调控制最终铅笔画艺术效果的边缘信息和灰度色调。通过色彩传输技术得到具有彩色铅笔画的艺术效果。     

论中国传统造型观念在图形设计中的传承

传统造型观念是中国传统艺术的一个重要组成部分,它作为一种民族文化和视觉美感的研究形式,是不容被忽视的。本文通过对传统造型观念在造型手法与特点等方面的分析,找出它在艺术形式和表现手法上对现代图形设计的影响。并进一步论述中国传统造型观念对于图形设计的现实意义.从而说明传承与发扬我们的传统文化,把其精神元素融入图形设计中,必定会使图形设计与国际化视觉语言进行有机结合,这是中国现代设计的必由之路。     

利用形体特征的铅笔素描画生成

铅笔素描是以单色线条来表现物体的艺术。画家观察物体的形体结构,以线塑型表现物体明暗层次和形体特征。为了表现物体的立体感,提出一种利用形体特征的铅笔素描画生成方法。首先对图像进行双边滤波处理,去除图像微小细节;然后由亮度图像计算其向量场,根据物体的形体特征对向量进行平滑,使其符合原图像的形体特征;最后利用线积分卷积的方法生成铅笔素描纹理,调整明暗对比后得到铅笔素描的效果。实验结果表明,该方法能有效地绘制铅笔素描的立体感和明暗关系。     

Clip art rendering of smooth isosurfaces

Clip art is a simplified illustration form consisting of layered filled polygons or closed curves used to convey 3D shape information in a 2D vector graphics format. This paper focuses on the problem of direct conversion of smooth surfaces, ranging from the free-form shapes of art and design to the mathematical structures of geometry and topology, into a clip art form suitable for illustration use in books, papers and presentations.We show how to represent silhouette, shadow, gleam and other surface feature curves as the intersection of implicit surfaces, and derive equations for their efficient interrogation via particle chains. We further describe how to sort, orient, identify and fill the closed regions that overlay to form clip art. We demonstrate the results with numerous renderings used to illustrate the paper itself.     

Lifting transformational models of product lines: a case study

Model driven engineering (MDE) of software product lines (SPLs) merges two increasing important paradigms that synthesize programs by transformation. MDE creates programs by transforming models, and SPLs elaborate programs by applying transformations called features. In this paper, we present the design and implementation of a transformational model of a product line of scalar vector graphics and JavaScript applications. We explain how we simplified our implementation by lifting selected features and their compositions from our original product line (whose implementations were complex) to features and their compositions of another product line (whose specifications were simple). We used operators to map higher-level features and their compositions to their lower-level counterparts. Doing so exposed commuting relationships among feature compositions in both product lines that helped validate our model and implementation.     

Automatic and interactive evolution of vector graphics images with genetic algorithms

Vector graphics are popular in illustration and graphic design. Images are composed of discrete geometric shapes, such as circles, squares, and lines. The generation of vector images by evolutionary computation techniques, however, has been given little attention. JNetic is an implementation of a comprehensive evolutionary vector graphics tool. Vector primitives available range from simple geometric shapes (circles, polygons) to spline-based paint strokes. JNetic supports automatic and user-guided evolution, chromosome editing, and high-detail masks. Automatic evolution involves measuring the pixel-by-pixel colour distance between a candidate and target image. Masks can be painted over areas of the target image, which help reproduce the high-detail features within those areas. By creative selection of primitives and colour schemes, stylized interpretations of target images are produced. The system has been successfully used by the authors as a creative tool.     

The Display of Engineering and Scientific Data

Computer graphics has been used to display engineering and scientific data for a number of years. Early uses included graphing of simple functions or experimental data as an aid to understanding complex models. Significant improvements in graphics system capability have occurred since such early uses. Here, we will follow a typical engineering problem and analyze a number of graphical "solutions" to it, in order to show how state-of-the art computer graphics can aid engineers, scientists, and problem solvers. We will also examine some features that may become available in the future.     

A Shape‐Aware Model for Discrete Texture Synthesis

We present a novel shape‐aware method for synthesizing 2D and 3D discrete element textures consisting of collections of distinct vector graphics objects. Extending the long‐proven point process framework, we propose a shape process, a novel stochastic model based on spatial measurements that fully take into account the geometry of the elements. We demonstrate that our approach is well‐suited for discrete texture synthesis by example. Our model enables for both robust statistical parameter estimation and reliable output generation by Monte Carlo sampling. Our numerous experiments show that contrary to current state‐of‐the‐art techniques, our algorithm manages to capture anisotropic element distributions and systematically prevents undesirable collisions between objects.     

The display of molecular models with the AMES interactive modeling system (AIMS)

The graphics capability (DISPLAY) of a large scale interactive molecular modeling system (AIMS) is described and discussed.DISPLAY allows the transparent use of a lower level graphics network GRANET. GRANET provides communication links and software packages unifying an aggregate of computers and graphics systems at Ames Research Center. The graphics devices used by DISPLAY are analyzed in terms of their display capabilities and other features. The Evans and Sutherland Picture System (E&S) with its interactive capabilities is seen to be one of the most powerful devices used by DISPLAY. The DISPLAY subsystem can present molecular models in any of three graphic formats—wireframe, ball and stick and space-filling. The software comprising DISPLAY provides five major features: (1) DIRECT—which allows models to be viewed directly from a molecular library: (2) STATIC—which provides a means of producing single plots on several types of recording media: (3) DYNAMIC—which supports the production of multiple frame plot files: (4) BEZIER—where the representation of a model is given in terms of control points and parametric patches which define its surface: and (5) SCANLINE—whereby raster techniques are used to build an image of a model line by line. These features are discussed in terms of their software implementation, conceptual content, and application to ongoing research.

It is found that despite certain limitations, the system provides a useful assortment of graphics which aid the researcher in model visualization and understanding.     

VISTO: A new CBIR system for vector images

In this paper, we present the main features of VISTO (Vector Image Search TOol), a new content-based image retrieval (CBIR) system for vector images. Though unsuitable for photo-realistic imagery, vector graphics are continually becoming more advanced and diffused. Vector images are fully scalable, resolution independent, not restricted to rectangular shape, allowing layering and editable/searchable text. Notwithstanding this increasing interest, the research area concerning CBIR systems for vectorial images is quite new, and our research on a vector based CBIR system actually derives from a precise request of vector based application experts that did not find appropriate solutions to their retrieval problems in customary shape-based CBIR system. To the best of our knowledge, VISTO is the first CBIR system for vector images proposed in the literature, and it supports the retrieval of images in SVG (scalable vector graphics) format.