Computer graphics, scientific visualization, information visualization, and graph drawing are areas which deal with visual information layout. They all use the remarkable properties of the human visual perception to rapidly absorb and analyse visual information. The paper discusses important visualization aspects and gives examples of how visualization techniques facilitate insight into data ch...

An integrated Multimedia CAI system of Engineering Drawing is working in Guangdong University of Technology. It includes a set of multimedia software of a teaching system, exercise system, test system, management system of Engineering Drawing and a Computer Graphics instruction system that was developed by the research group of the Department of Engineering and Computer Graphics. More than ten ...

METAPOST is known as a powerful graphics drawing language. However, METAPOST dose not provide any mechanisms to automatically lay out graphic objects. In this article, we present two approaches to help METAPOST users to automatically or semiautomatically lay out objects that they are drawing.

Perhaps the most obvious myth is that graphics calculators are mainly useful for drawing graphs of functions and hence are not relevant to most mathematics curricula. An hour or two with a modern graphics calculator will quickly dispel this myth. For example, my book, More mathematics with a graphics calculator: Casio cfx-9850G, contains sixteen chapters, only four of which are primarily concer...

In this paper, we propose an original three-dimensional (3D) computer-aided approach for surveying and mapping caves to get line drawings. By introducing 3D digital technologies into the line drawing, our approach has advantages in improving the drawing accuracy while cutting a lot of time costs. The 3D digital technologies are used to reconstruct accurate 3D models of real scenes. Then, the li...

In this paper we discuss different approaches to generate cutaway illustrations. The purpose of such a drawing is to allow the viewer to have a look into an otherwise solid opaque object. Traditional methods to draw these kinds of illustrations are evaluated to extract a small and effective set of rules for a computer-based rendering of cutaway illustrations. We show that our approaches are not...

The operations of locating, deleting, or replacing patterns in a given line drawing are very important in graphics editing. However, they are generally not yet implemented in generalpurpose graphics editors. Algorithms to implement these operations have been designed in an efficient way and have been introduced into the GRAFEDIT general-purpose graphics editor. This paper presents different asp...

We present the new version of the Graphics Recognition Module developed within the Machine Drawing Understanding System (MDUS) for the graphics recognition contest, to be held during the second IAPR Workshop on Graphics Recognition, Nancy, France, 1997. A generic integrated graphics recognition algorithm is adapted to meet the requirements of the contest: straight and circular, solid and dashed...

Drawing graphs is an important problem that combines avors of computational geometry and graph theory. Applications can be found in a variety of areas including circuit layout, network management, software engineering, and graphics. The main contributions of this paper can be summarized as follows: We devise a model for dynamic graph algorithms, based on performing queries and updates on an imp...